diff options
Diffstat (limited to 'crypto/src/math/ec')
36 files changed, 45 insertions, 4731 deletions
diff --git a/crypto/src/math/ec/ECFieldElement.cs b/crypto/src/math/ec/ECFieldElement.cs index 27c4ba2d0..844bed649 100644 --- a/crypto/src/math/ec/ECFieldElement.cs +++ b/crypto/src/math/ec/ECFieldElement.cs @@ -1,6 +1,7 @@ using System; using System.Diagnostics; +using Org.BouncyCastle.Math.Raw; using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Math.EC diff --git a/crypto/src/math/ec/Mod.cs b/crypto/src/math/ec/Mod.cs deleted file mode 100644 index 80534ca9f..000000000 --- a/crypto/src/math/ec/Mod.cs +++ /dev/null @@ -1,184 +0,0 @@ -using System; -using System.Diagnostics; - -using Org.BouncyCastle.Crypto.Utilities; -using Org.BouncyCastle.Utilities; - -namespace Org.BouncyCastle.Math.EC -{ - internal abstract class Mod - { - public static void Invert(uint[] p, uint[] x, uint[] z) - { - int len = p.Length; - if (Nat.IsZero(len, x)) - throw new ArgumentException("cannot be 0", "x"); - if (Nat.IsOne(len, x)) - { - Array.Copy(x, 0, z, 0, len); - return; - } - - uint[] u = Nat.Copy(len, x); - uint[] a = Nat.Create(len); - a[0] = 1; - int ac = 0; - - if ((u[0] & 1) == 0) - { - InversionStep(p, u, len, a, ref ac); - } - if (Nat.IsOne(len, u)) - { - InversionResult(p, ac, a, z); - return; - } - - uint[] v = Nat.Copy(len, p); - uint[] b = Nat.Create(len); - int bc = 0; - - int uvLen = len; - - for (;;) - { - while (u[uvLen - 1] == 0 && v[uvLen - 1] == 0) - { - --uvLen; - } - - if (Nat.Gte(len, u, v)) - { - Nat.SubFrom(len, v, u); - Debug.Assert((u[0] & 1) == 0); - ac += Nat.SubFrom(len, b, a) - bc; - InversionStep(p, u, uvLen, a, ref ac); - if (Nat.IsOne(len, u)) - { - InversionResult(p, ac, a, z); - return; - } - } - else - { - Nat.SubFrom(len, u, v); - Debug.Assert((v[0] & 1) == 0); - bc += Nat.SubFrom(len, a, b) - ac; - InversionStep(p, v, uvLen, b, ref bc); - if (Nat.IsOne(len, v)) - { - InversionResult(p, bc, b, z); - return; - } - } - } - } - - public static uint[] Random(uint[] p) - { - int len = p.Length; - Random rand = new Random(); - uint[] s = Nat.Create(len); - - uint m = p[len - 1]; - m |= m >> 1; - m |= m >> 2; - m |= m >> 4; - m |= m >> 8; - m |= m >> 16; - - do - { - byte[] bytes = new byte[len << 2]; - rand.NextBytes(bytes); - Pack.BE_To_UInt32(bytes, 0, s); - s[len - 1] &= m; - } - while (Nat.Gte(len, s, p)); - - return s; - } - - public static void Add(uint[] p, uint[] x, uint[] y, uint[] z) - { - int len = p.Length; - uint c = Nat.Add(len, x, y, z); - if (c != 0) - { - Nat.SubFrom(len, p, z); - } - } - - public static void Subtract(uint[] p, uint[] x, uint[] y, uint[] z) - { - int len = p.Length; - int c = Nat.Sub(len, x, y, z); - if (c != 0) - { - Nat.AddTo(len, p, z); - } - } - - private static void InversionResult(uint[] p, int ac, uint[] a, uint[] z) - { - if (ac < 0) - { - Nat.Add(p.Length, a, p, z); - } - else - { - Array.Copy(a, 0, z, 0, p.Length); - } - } - - private static void InversionStep(uint[] p, uint[] u, int uLen, uint[] x, ref int xc) - { - int len = p.Length; - int count = 0; - while (u[0] == 0) - { - Nat.ShiftDownWord(uLen, u, 0); - count += 32; - } - - { - int zeroes = GetTrailingZeroes(u[0]); - if (zeroes > 0) - { - Nat.ShiftDownBits(uLen, u, zeroes, 0); - count += zeroes; - } - } - - for (int i = 0; i < count; ++i) - { - if ((x[0] & 1) != 0) - { - if (xc < 0) - { - xc += (int)Nat.AddTo(len, p, x); - } - else - { - xc += Nat.SubFrom(len, p, x); - } - } - - Debug.Assert(xc == 0 || xc == -1); - Nat.ShiftDownBit(len, x, (uint)xc); - } - } - - private static int GetTrailingZeroes(uint x) - { - Debug.Assert(x != 0); - int count = 0; - while ((x & 1) == 0) - { - x >>= 1; - ++count; - } - return count; - } - } -} diff --git a/crypto/src/math/ec/Nat.cs b/crypto/src/math/ec/Nat.cs deleted file mode 100644 index 17b632f26..000000000 --- a/crypto/src/math/ec/Nat.cs +++ /dev/null @@ -1,1013 +0,0 @@ -using System; -using System.Diagnostics; - -using Org.BouncyCastle.Crypto.Utilities; - -namespace Org.BouncyCastle.Math.EC -{ - internal abstract class Nat - { - private const ulong M = 0xFFFFFFFFUL; - - public static uint Add(int len, uint[] x, uint[] y, uint[] z) - { - ulong c = 0; - for (int i = 0; i < len; ++i) - { - c += (ulong)x[i] + y[i]; - z[i] = (uint)c; - c >>= 32; - } - return (uint)c; - } - - public static uint Add33At(int len, uint x, uint[] z, int zPos) - { - Debug.Assert(zPos <= (len - 2)); - ulong c = (ulong)z[zPos + 0] + x; - z[zPos + 0] = (uint)c; - c >>= 32; - c += (ulong)z[zPos + 1] + 1; - z[zPos + 1] = (uint)c; - c >>= 32; - return c == 0 ? 0 : IncAt(len, z, zPos + 2); - } - - public static uint Add33At(int len, uint x, uint[] z, int zOff, int zPos) - { - Debug.Assert(zPos <= (len - 2)); - ulong c = (ulong)z[zOff + zPos] + x; - z[zOff + zPos] = (uint)c; - c >>= 32; - c += (ulong)z[zOff + zPos + 1] + 1; - z[zOff + zPos + 1] = (uint)c; - c >>= 32; - return c == 0 ? 0 : IncAt(len, z, zOff, zPos + 2); - } - - public static uint Add33To(int len, uint x, uint[] z) - { - ulong c = (ulong)z[0] + x; - z[0] = (uint)c; - c >>= 32; - c += (ulong)z[1] + 1; - z[1] = (uint)c; - c >>= 32; - return c == 0 ? 0 : IncAt(len, z, 2); - } - - public static uint Add33To(int len, uint x, uint[] z, int zOff) - { - ulong c = (ulong)z[zOff + 0] + x; - z[zOff + 0] = (uint)c; - c >>= 32; - c += (ulong)z[zOff + 1] + 1; - z[zOff + 1] = (uint)c; - c >>= 32; - return c == 0 ? 0 : IncAt(len, z, zOff, 2); - } - - public static uint AddBothTo(int len, uint[] x, uint[] y, uint[] z) - { - ulong c = 0; - for (int i = 0; i < len; ++i) - { - c += (ulong)x[i] + y[i] + z[i]; - z[i] = (uint)c; - c >>= 32; - } - return (uint)c; - } - - public static uint AddBothTo(int len, uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff) - { - ulong c = 0; - for (int i = 0; i < len; ++i) - { - c += (ulong)x[xOff + i] + y[yOff + i] + z[zOff + i]; - z[zOff + i] = (uint)c; - c >>= 32; - } - return (uint)c; - } - - public static uint AddDWordAt(int len, ulong x, uint[] z, int zPos) - { - Debug.Assert(zPos <= (len - 2)); - ulong c = (ulong)z[zPos + 0] + (x & M); - z[zPos + 0] = (uint)c; - c >>= 32; - c += (ulong)z[zPos + 1] + (x >> 32); - z[zPos + 1] = (uint)c; - c >>= 32; - return c == 0 ? 0 : IncAt(len, z, zPos + 2); - } - - public static uint AddDWordAt(int len, ulong x, uint[] z, int zOff, int zPos) - { - Debug.Assert(zPos <= (len - 2)); - ulong c = (ulong)z[zOff + zPos] + (x & M); - z[zOff + zPos] = (uint)c; - c >>= 32; - c += (ulong)z[zOff + zPos + 1] + (x >> 32); - z[zOff + zPos + 1] = (uint)c; - c >>= 32; - return c == 0 ? 0 : IncAt(len, z, zOff, zPos + 2); - } - - public static uint AddDWordTo(int len, ulong x, uint[] z) - { - ulong c = (ulong)z[0] + (x & M); - z[0] = (uint)c; - c >>= 32; - c += (ulong)z[1] + (x >> 32); - z[1] = (uint)c; - c >>= 32; - return c == 0 ? 0 : IncAt(len, z, 2); - } - - public static uint AddDWordTo(int len, ulong x, uint[] z, int zOff) - { - ulong c = (ulong)z[zOff + 0] + (x & M); - z[zOff + 0] = (uint)c; - c >>= 32; - c += (ulong)z[zOff + 1] + (x >> 32); - z[zOff + 1] = (uint)c; - c >>= 32; - return c == 0 ? 0 : IncAt(len, z, zOff, 2); - } - - public static uint AddTo(int len, uint[] x, uint[] z) - { - ulong c = 0; - for (int i = 0; i < len; ++i) - { - c += (ulong)x[i] + z[i]; - z[i] = (uint)c; - c >>= 32; - } - return (uint)c; - } - - public static uint AddTo(int len, uint[] x, int xOff, uint[] z, int zOff) - { - ulong c = 0; - for (int i = 0; i < len; ++i) - { - c += (ulong)x[xOff + i] + z[zOff + i]; - z[zOff + i] = (uint)c; - c >>= 32; - } - return (uint)c; - } - - public static uint AddWordAt(int len, uint x, uint[] z, int zPos) - { - Debug.Assert(zPos <= (len - 1)); - ulong c = (ulong)x + z[zPos]; - z[zPos] = (uint)c; - c >>= 32; - return c == 0 ? 0 : IncAt(len, z, zPos + 1); - } - - public static uint AddWordAt(int len, uint x, uint[] z, int zOff, int zPos) - { - Debug.Assert(zPos <= (len - 1)); - ulong c = (ulong)x + z[zOff + zPos]; - z[zOff + zPos] = (uint)c; - c >>= 32; - return c == 0 ? 0 : IncAt(len, z, zOff, zPos + 1); - } - - public static uint AddWordTo(int len, uint x, uint[] z) - { - ulong c = (ulong)x + z[0]; - z[0] = (uint)c; - c >>= 32; - return c == 0 ? 0 : IncAt(len, z, 1); - } - - public static uint AddWordTo(int len, uint x, uint[] z, int zOff) - { - ulong c = (ulong)x + z[zOff]; - z[zOff] = (uint)c; - c >>= 32; - return c == 0 ? 0 : IncAt(len, z, zOff, 1); - } - - public static void Copy(int len, uint[] x, uint[] z) - { - Array.Copy(x, 0, z, 0, len); - } - - public static uint[] Copy(int len, uint[] x) - { - uint[] z = new uint[len]; - Array.Copy(x, 0, z, 0, len); - return z; - } - - public static uint[] Create(int len) - { - return new uint[len]; - } - - public static int Dec(int len, uint[] z) - { - for (int i = 0; i < len; ++i) - { - if (--z[i] != uint.MaxValue) - { - return 0; - } - } - return -1; - } - - public static int Dec(int len, uint[] x, uint[] z) - { - int i = 0; - while (i < len) - { - uint c = x[i] - 1; - z[i] = c; - ++i; - if (c != uint.MaxValue) - { - while (i < len) - { - z[i] = x[i]; - ++i; - } - return 0; - } - } - return -1; - } - - public static int DecAt(int len, uint[] z, int zPos) - { - Debug.Assert(zPos <= len); - for (int i = zPos; i < len; ++i) - { - if (--z[i] != uint.MaxValue) - { - return 0; - } - } - return -1; - } - - public static int DecAt(int len, uint[] z, int zOff, int zPos) - { - Debug.Assert(zPos <= len); - for (int i = zPos; i < len; ++i) - { - if (--z[zOff + i] != uint.MaxValue) - { - return 0; - } - } - return -1; - } - - public static bool Eq(int len, uint[] x, uint[] y) - { - for (int i = len - 1; i >= 0; --i) - { - if (x[i] != y[i]) - { - return false; - } - } - return true; - } - - public static uint[] FromBigInteger(int bits, BigInteger x) - { - if (x.SignValue < 0 || x.BitLength > bits) - throw new ArgumentException(); - - int len = (bits + 31) >> 5; - uint[] z = Create(len); - int i = 0; - while (x.SignValue != 0) - { - z[i++] = (uint)x.IntValue; - x = x.ShiftRight(32); - } - return z; - } - - public static uint GetBit(uint[] x, int bit) - { - if (bit == 0) - { - return x[0] & 1; - } - int w = bit >> 5; - if (w < 0 || w >= x.Length) - { - return 0; - } - int b = bit & 31; - return (x[w] >> b) & 1; - } - - public static bool Gte(int len, uint[] x, uint[] y) - { - for (int i = len - 1; i >= 0; --i) - { - uint x_i = x[i], y_i = y[i]; - if (x_i < y_i) - return false; - if (x_i > y_i) - return true; - } - return true; - } - - public static uint Inc(int len, uint[] z) - { - for (int i = 0; i < len; ++i) - { - if (++z[i] != uint.MinValue) - { - return 0; - } - } - return 1; - } - - public static uint Inc(int len, uint[] x, uint[] z) - { - int i = 0; - while (i < len) - { - uint c = x[i] + 1; - z[i] = c; - ++i; - if (c != 0) - { - while (i < len) - { - z[i] = x[i]; - ++i; - } - return 0; - } - } - return 1; - } - - public static uint IncAt(int len, uint[] z, int zPos) - { - Debug.Assert(zPos <= len); - for (int i = zPos; i < len; ++i) - { - if (++z[i] != uint.MinValue) - { - return 0; - } - } - return 1; - } - - public static uint IncAt(int len, uint[] z, int zOff, int zPos) - { - Debug.Assert(zPos <= len); - for (int i = zPos; i < len; ++i) - { - if (++z[zOff + i] != uint.MinValue) - { - return 0; - } - } - return 1; - } - - public static bool IsOne(int len, uint[] x) - { - if (x[0] != 1) - { - return false; - } - for (int i = 1; i < len; ++i) - { - if (x[i] != 0) - { - return false; - } - } - return true; - } - - public static bool IsZero(int len, uint[] x) - { - if (x[0] != 0) - { - return false; - } - for (int i = 1; i < len; ++i) - { - if (x[i] != 0) - { - return false; - } - } - return true; - } - - public static void Mul(int len, uint[] x, uint[] y, uint[] zz) - { - zz[len] = (uint)MulWord(len, x[0], y, zz); - - for (int i = 1; i < len; ++i) - { - zz[i + len] = (uint)MulWordAddTo(len, x[i], y, 0, zz, i); - } - } - - public static void Mul(int len, uint[] x, int xOff, uint[] y, int yOff, uint[] zz, int zzOff) - { - zz[zzOff + len] = (uint)MulWord(len, x[xOff], y, yOff, zz, zzOff); - - for (int i = 1; i < len; ++i) - { - zz[zzOff + i + len] = (uint)MulWordAddTo(len, x[xOff + i], y, yOff, zz, zzOff + i); - } - } - - public static uint Mul31BothAdd(int len, uint a, uint[] x, uint b, uint[] y, uint[] z, int zOff) - { - ulong c = 0, aVal = (ulong)a, bVal = (ulong)b; - int i = 0; - do - { - c += aVal * x[i] + bVal * y[i] + z[zOff + i]; - z[zOff + i] = (uint)c; - c >>= 32; - } - while (++i < len); - return (uint)c; - } - - public static uint MulWord(int len, uint x, uint[] y, uint[] z) - { - ulong c = 0, xVal = (ulong)x; - int i = 0; - do - { - c += xVal * y[i]; - z[i] = (uint)c; - c >>= 32; - } - while (++i < len); - return (uint)c; - } - - public static uint MulWord(int len, uint x, uint[] y, int yOff, uint[] z, int zOff) - { - ulong c = 0, xVal = (ulong)x; - int i = 0; - do - { - c += xVal * y[yOff + i]; - z[zOff + i] = (uint)c; - c >>= 32; - } - while (++i < len); - return (uint)c; - } - - public static uint MulWordAddTo(int len, uint x, uint[] y, int yOff, uint[] z, int zOff) - { - ulong c = 0, xVal = (ulong)x; - int i = 0; - do - { - c += xVal * y[yOff + i] + z[zOff + i]; - z[zOff + i] = (uint)c; - c >>= 32; - } - while (++i < len); - return (uint)c; - } - - public static uint MulWordDwordAddAt(int len, uint x, ulong y, uint[] z, int zPos) - { - Debug.Assert(zPos <= (len - 3)); - ulong c = 0, xVal = (ulong)x; - c += xVal * (uint)y + z[zPos + 0]; - z[zPos + 0] = (uint)c; - c >>= 32; - c += xVal * (y >> 32) + z[zPos + 1]; - z[zPos + 1] = (uint)c; - c >>= 32; - c += (ulong)z[zPos + 2]; - z[zPos + 2] = (uint)c; - c >>= 32; - return c == 0 ? 0 : IncAt(len, z, zPos + 3); - } - - public static uint ShiftDownBit(int len, uint[] z, uint c) - { - int i = len; - while (--i >= 0) - { - uint next = z[i]; - z[i] = (next >> 1) | (c << 31); - c = next; - } - return c << 31; - } - - public static uint ShiftDownBit(int len, uint[] z, int zOff, uint c) - { - int i = len; - while (--i >= 0) - { - uint next = z[zOff + i]; - z[zOff + i] = (next >> 1) | (c << 31); - c = next; - } - return c << 31; - } - - public static uint ShiftDownBit(int len, uint[] x, uint c, uint[] z) - { - int i = len; - while (--i >= 0) - { - uint next = x[i]; - z[i] = (next >> 1) | (c << 31); - c = next; - } - return c << 31; - } - - public static uint ShiftDownBit(int len, uint[] x, int xOff, uint c, uint[] z, int zOff) - { - int i = len; - while (--i >= 0) - { - uint next = x[xOff + i]; - z[zOff + i] = (next >> 1) | (c << 31); - c = next; - } - return c << 31; - } - - public static uint ShiftDownBits(int len, uint[] z, int bits, uint c) - { - Debug.Assert(bits > 0 && bits < 32); - int i = len; - while (--i >= 0) - { - uint next = z[i]; - z[i] = (next >> bits) | (c << -bits); - c = next; - } - return c << -bits; - } - - public static uint ShiftDownBits(int len, uint[] z, int zOff, int bits, uint c) - { - Debug.Assert(bits > 0 && bits < 32); - int i = len; - while (--i >= 0) - { - uint next = z[zOff + i]; - z[zOff + i] = (next >> bits) | (c << -bits); - c = next; - } - return c << -bits; - } - - public static uint ShiftDownBits(int len, uint[] x, int bits, uint c, uint[] z) - { - Debug.Assert(bits > 0 && bits < 32); - int i = len; - while (--i >= 0) - { - uint next = x[i]; - z[i] = (next >> bits) | (c << -bits); - c = next; - } - return c << -bits; - } - - public static uint ShiftDownBits(int len, uint[] x, int xOff, int bits, uint c, uint[] z, int zOff) - { - Debug.Assert(bits > 0 && bits < 32); - int i = len; - while (--i >= 0) - { - uint next = x[xOff + i]; - z[zOff + i] = (next >> bits) | (c << -bits); - c = next; - } - return c << -bits; - } - - public static uint ShiftDownWord(int len, uint[] z, uint c) - { - int i = len; - while (--i >= 0) - { - uint next = z[i]; - z[i] = c; - c = next; - } - return c; - } - - public static uint ShiftUpBit(int len, uint[] z, uint c) - { - for (int i = 0; i < len; ++i) - { - uint next = z[i]; - z[i] = (next << 1) | (c >> 31); - c = next; - } - return c >> 31; - } - - public static uint ShiftUpBit(int len, uint[] z, int zOff, uint c) - { - for (int i = 0; i < len; ++i) - { - uint next = z[zOff + i]; - z[zOff + i] = (next << 1) | (c >> 31); - c = next; - } - return c >> 31; - } - - public static uint ShiftUpBit(int len, uint[] x, uint c, uint[] z) - { - for (int i = 0; i < len; ++i) - { - uint next = x[i]; - z[i] = (next << 1) | (c >> 31); - c = next; - } - return c >> 31; - } - - public static uint ShiftUpBit(int len, uint[] x, int xOff, uint c, uint[] z, int zOff) - { - for (int i = 0; i < len; ++i) - { - uint next = x[xOff + i]; - z[zOff + i] = (next << 1) | (c >> 31); - c = next; - } - return c >> 31; - } - - public static uint ShiftUpBits(int len, uint[] z, int bits, uint c) - { - Debug.Assert(bits > 0 && bits < 32); - for (int i = 0; i < len; ++i) - { - uint next = z[i]; - z[i] = (next << bits) | (c >> -bits); - c = next; - } - return c >> -bits; - } - - public static uint ShiftUpBits(int len, uint[] z, int zOff, int bits, uint c) - { - Debug.Assert(bits > 0 && bits < 32); - for (int i = 0; i < len; ++i) - { - uint next = z[zOff + i]; - z[zOff + i] = (next << bits) | (c >> -bits); - c = next; - } - return c >> -bits; - } - - public static uint ShiftUpBits(int len, uint[] x, int bits, uint c, uint[] z) - { - Debug.Assert(bits > 0 && bits < 32); - for (int i = 0; i < len; ++i) - { - uint next = x[i]; - z[i] = (next << bits) | (c >> -bits); - c = next; - } - return c >> -bits; - } - - public static uint ShiftUpBits(int len, uint[] x, int xOff, int bits, uint c, uint[] z, int zOff) - { - Debug.Assert(bits > 0 && bits < 32); - for (int i = 0; i < len; ++i) - { - uint next = x[xOff + i]; - z[zOff + i] = (next << bits) | (c >> -bits); - c = next; - } - return c >> -bits; - } - - public static void Square(int len, uint[] x, uint[] zz) - { - int extLen = len << 1; - uint c = 0; - int j = len, k = extLen; - do - { - ulong xVal = (ulong)x[--j]; - ulong p = xVal * xVal; - zz[--k] = (c << 31) | (uint)(p >> 33); - zz[--k] = (uint)(p >> 1); - c = (uint)p; - } - while (j > 0); - - for (int i = 1; i < len; ++i) - { - c = SquareWordAdd(x, i, zz); - AddWordAt(extLen, c, zz, i << 1); - } - - ShiftUpBit(extLen, zz, x[0] << 31); - } - - public static void Square(int len, uint[] x, int xOff, uint[] zz, int zzOff) - { - int extLen = len << 1; - uint c = 0; - int j = len, k = extLen; - do - { - ulong xVal = (ulong)x[xOff + --j]; - ulong p = xVal * xVal; - zz[zzOff + --k] = (c << 31) | (uint)(p >> 33); - zz[zzOff + --k] = (uint)(p >> 1); - c = (uint)p; - } - while (j > 0); - - for (int i = 1; i < len; ++i) - { - c = SquareWordAdd(x, xOff, i, zz, zzOff); - AddWordAt(extLen, c, zz, zzOff, i << 1); - } - - ShiftUpBit(extLen, zz, zzOff, x[xOff] << 31); - } - - public static uint SquareWordAdd(uint[] x, int xPos, uint[] z) - { - ulong c = 0, xVal = (ulong)x[xPos]; - int i = 0; - do - { - c += xVal * x[i] + z[xPos + i]; - z[xPos + i] = (uint)c; - c >>= 32; - } - while (++i < xPos); - return (uint)c; - } - - public static uint SquareWordAdd(uint[] x, int xOff, int xPos, uint[] z, int zOff) - { - ulong c = 0, xVal = (ulong)x[xOff + xPos]; - int i = 0; - do - { - c += xVal * (x[xOff + i] & M) + (z[xPos + zOff] & M); - z[xPos + zOff] = (uint)c; - c >>= 32; - ++zOff; - } - while (++i < xPos); - return (uint)c; - } - - public static int Sub(int len, uint[] x, uint[] y, uint[] z) - { - long c = 0; - for (int i = 0; i < len; ++i) - { - c += (long)x[i] - y[i]; - z[i] = (uint)c; - c >>= 32; - } - return (int)c; - } - - public static int Sub(int len, uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff) - { - long c = 0; - for (int i = 0; i < len; ++i) - { - c += (long)x[xOff + i] - y[yOff + i]; - z[zOff + i] = (uint)c; - c >>= 32; - } - return (int)c; - } - public static int Sub33At(int len, uint x, uint[] z, int zPos) - { - Debug.Assert(zPos <= (len - 2)); - long c = (long)z[zPos + 0] - x; - z[zPos + 0] = (uint)c; - c >>= 32; - c += (long)z[zPos + 1] - 1; - z[zPos + 1] = (uint)c; - c >>= 32; - return c == 0 ? 0 : DecAt(len, z, zPos + 2); - } - - public static int Sub33At(int len, uint x, uint[] z, int zOff, int zPos) - { - Debug.Assert(zPos <= (len - 2)); - long c = (long)z[zOff + zPos] - x; - z[zOff + zPos] = (uint)c; - c >>= 32; - c += (long)z[zOff + zPos + 1] - 1; - z[zOff + zPos + 1] = (uint)c; - c >>= 32; - return c == 0 ? 0 : DecAt(len, z, zOff, zPos + 2); - } - - public static int Sub33From(int len, uint x, uint[] z) - { - long c = (long)z[0] - x; - z[0] = (uint)c; - c >>= 32; - c += (long)z[1] - 1; - z[1] = (uint)c; - c >>= 32; - return c == 0 ? 0 : DecAt(len, z, 2); - } - - public static int Sub33From(int len, uint x, uint[] z, int zOff) - { - long c = (long)z[zOff + 0] - x; - z[zOff + 0] = (uint)c; - c >>= 32; - c += (long)z[zOff + 1] - 1; - z[zOff + 1] = (uint)c; - c >>= 32; - return c == 0 ? 0 : DecAt(len, z, zOff, 2); - } - - public static int SubBothFrom(int len, uint[] x, uint[] y, uint[] z) - { - long c = 0; - for (int i = 0; i < len; ++i) - { - c += (long)z[i] - x[i] - y[i]; - z[i] = (uint)c; - c >>= 32; - } - return (int)c; - } - - public static int SubBothFrom(int len, uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff) - { - long c = 0; - for (int i = 0; i < len; ++i) - { - c += (long)z[zOff + i] - x[xOff + i] - y[yOff + i]; - z[zOff + i] = (uint)c; - c >>= 32; - } - return (int)c; - } - - public static int SubDWordAt(int len, ulong x, uint[] z, int zPos) - { - Debug.Assert(zPos <= (len - 2)); - long c = (long)z[zPos + 0] - (long)(x & M); - z[zPos + 0] = (uint)c; - c >>= 32; - c += (long)z[zPos + 1] - (long)(x >> 32); - z[zPos + 1] = (uint)c; - c >>= 32; - return c == 0 ? 0 : DecAt(len, z, zPos + 2); - } - - public static int SubDWordAt(int len, ulong x, uint[] z, int zOff, int zPos) - { - Debug.Assert(zPos <= (len - 2)); - long c = (long)z[zOff + zPos] - (long)(x & M); - z[zOff + zPos] = (uint)c; - c >>= 32; - c += (long)z[zOff + zPos + 1] - (long)(x >> 32); - z[zOff + zPos + 1] = (uint)c; - c >>= 32; - return c == 0 ? 0 : DecAt(len, z, zOff, zPos + 2); - } - - public static int SubDWordFrom(int len, ulong x, uint[] z) - { - long c = (long)z[0] - (long)(x & M); - z[0] = (uint)c; - c >>= 32; - c += (long)z[1] - (long)(x >> 32); - z[1] = (uint)c; - c >>= 32; - return c == 0 ? 0 : DecAt(len, z, 2); - } - - public static int SubDWordFrom(int len, ulong x, uint[] z, int zOff) - { - long c = (long)z[zOff + 0] - (long)(x & M); - z[zOff + 0] = (uint)c; - c >>= 32; - c += (long)z[zOff + 1] - (long)(x >> 32); - z[zOff + 1] = (uint)c; - c >>= 32; - return c == 0 ? 0 : DecAt(len, z, zOff, 2); - } - - public static int SubFrom(int len, uint[] x, uint[] z) - { - long c = 0; - for (int i = 0; i < len; ++i) - { - c += (long)z[i] - x[i]; - z[i] = (uint)c; - c >>= 32; - } - return (int)c; - } - - public static int SubFrom(int len, uint[] x, int xOff, uint[] z, int zOff) - { - long c = 0; - for (int i = 0; i < len; ++i) - { - c += (long)z[zOff + i] - x[xOff + i]; - z[zOff + i] = (uint)c; - c >>= 32; - } - return (int)c; - } - - public static int SubWordAt(int len, uint x, uint[] z, int zPos) - { - Debug.Assert(zPos <= (len - 1)); - long c = (long)z[zPos] - x; - z[zPos] = (uint)c; - c >>= 32; - return c == 0 ? 0 : DecAt(len, z, zPos + 1); - } - - public static int SubWordAt(int len, uint x, uint[] z, int zOff, int zPos) - { - Debug.Assert(zPos <= (len - 1)); - long c = (long)z[zOff + zPos] - x; - z[zOff + zPos] = (uint)c; - c >>= 32; - return c == 0 ? 0 : DecAt(len, z, zOff, zPos + 1); - } - - public static int SubWordFrom(int len, uint x, uint[] z) - { - long c = (long)z[0] - x; - z[0] = (uint)c; - c >>= 32; - return c == 0 ? 0 : DecAt(len, z, 1); - } - - public static int SubWordFrom(int len, uint x, uint[] z, int zOff) - { - long c = (long)z[zOff + 0] - x; - z[zOff + 0] = (uint)c; - c >>= 32; - return c == 0 ? 0 : DecAt(len, z, zOff, 1); - } - - public static BigInteger ToBigInteger(int len, uint[] x) - { - byte[] bs = new byte[len << 2]; - for (int i = 0; i < len; ++i) - { - uint x_i = x[i]; - if (x_i != 0) - { - Pack.UInt32_To_BE(x_i, bs, (len - 1 - i) << 2); - } - } - return new BigInteger(1, bs); - } - - public static void Zero(int len, uint[] z) - { - for (int i = 0; i < len; ++i) - { - z[i] = 0; - } - } - } -} diff --git a/crypto/src/math/ec/custom/djb/Curve25519.cs b/crypto/src/math/ec/custom/djb/Curve25519.cs index 712b68f29..6ed7c0648 100644 --- a/crypto/src/math/ec/custom/djb/Curve25519.cs +++ b/crypto/src/math/ec/custom/djb/Curve25519.cs @@ -1,6 +1,6 @@ using System; -using Org.BouncyCastle.Math.EC.Custom.Sec; +using Org.BouncyCastle.Math.Raw; using Org.BouncyCastle.Utilities.Encoders; namespace Org.BouncyCastle.Math.EC.Custom.Djb diff --git a/crypto/src/math/ec/custom/djb/Curve25519Field.cs b/crypto/src/math/ec/custom/djb/Curve25519Field.cs index 809e51b80..837821e1a 100644 --- a/crypto/src/math/ec/custom/djb/Curve25519Field.cs +++ b/crypto/src/math/ec/custom/djb/Curve25519Field.cs @@ -1,7 +1,7 @@ using System; using System.Diagnostics; -using Org.BouncyCastle.Math.EC.Custom.Sec; +using Org.BouncyCastle.Math.Raw; namespace Org.BouncyCastle.Math.EC.Custom.Djb { diff --git a/crypto/src/math/ec/custom/djb/Curve25519FieldElement.cs b/crypto/src/math/ec/custom/djb/Curve25519FieldElement.cs index 8d5a80326..732e9e468 100644 --- a/crypto/src/math/ec/custom/djb/Curve25519FieldElement.cs +++ b/crypto/src/math/ec/custom/djb/Curve25519FieldElement.cs @@ -1,6 +1,6 @@ using System; -using Org.BouncyCastle.Math.EC.Custom.Sec; +using Org.BouncyCastle.Math.Raw; using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Math.EC.Custom.Djb diff --git a/crypto/src/math/ec/custom/djb/Curve25519Point.cs b/crypto/src/math/ec/custom/djb/Curve25519Point.cs index bfec1d11d..eb8fc12f2 100644 --- a/crypto/src/math/ec/custom/djb/Curve25519Point.cs +++ b/crypto/src/math/ec/custom/djb/Curve25519Point.cs @@ -1,6 +1,6 @@ using System; -using Org.BouncyCastle.Math.EC.Custom.Sec; +using Org.BouncyCastle.Math.Raw; namespace Org.BouncyCastle.Math.EC.Custom.Djb { diff --git a/crypto/src/math/ec/custom/sec/Nat192.cs b/crypto/src/math/ec/custom/sec/Nat192.cs deleted file mode 100644 index 94d7ed17c..000000000 --- a/crypto/src/math/ec/custom/sec/Nat192.cs +++ /dev/null @@ -1,962 +0,0 @@ -using System; -using System.Diagnostics; - -using Org.BouncyCastle.Crypto.Utilities; - -namespace Org.BouncyCastle.Math.EC.Custom.Sec -{ - internal abstract class Nat192 - { - private const ulong M = 0xFFFFFFFFUL; - - public static uint Add(uint[] x, uint[] y, uint[] z) - { - ulong c = 0; - c += (ulong)x[0] + y[0]; - z[0] = (uint)c; - c >>= 32; - c += (ulong)x[1] + y[1]; - z[1] = (uint)c; - c >>= 32; - c += (ulong)x[2] + y[2]; - z[2] = (uint)c; - c >>= 32; - c += (ulong)x[3] + y[3]; - z[3] = (uint)c; - c >>= 32; - c += (ulong)x[4] + y[4]; - z[4] = (uint)c; - c >>= 32; - c += (ulong)x[5] + y[5]; - z[5] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint AddBothTo(uint[] x, uint[] y, uint[] z) - { - ulong c = 0; - c += (ulong)x[0] + y[0] + z[0]; - z[0] = (uint)c; - c >>= 32; - c += (ulong)x[1] + y[1] + z[1]; - z[1] = (uint)c; - c >>= 32; - c += (ulong)x[2] + y[2] + z[2]; - z[2] = (uint)c; - c >>= 32; - c += (ulong)x[3] + y[3] + z[3]; - z[3] = (uint)c; - c >>= 32; - c += (ulong)x[4] + y[4] + z[4]; - z[4] = (uint)c; - c >>= 32; - c += (ulong)x[5] + y[5] + z[5]; - z[5] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint AddTo(uint[] x, uint[] z) - { - ulong c = 0; - c += (ulong)x[0] + z[0]; - z[0] = (uint)c; - c >>= 32; - c += (ulong)x[1] + z[1]; - z[1] = (uint)c; - c >>= 32; - c += (ulong)x[2] + z[2]; - z[2] = (uint)c; - c >>= 32; - c += (ulong)x[3] + z[3]; - z[3] = (uint)c; - c >>= 32; - c += (ulong)x[4] + z[4]; - z[4] = (uint)c; - c >>= 32; - c += (ulong)x[5] + z[5]; - z[5] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint AddTo(uint[] x, int xOff, uint[] z, int zOff, uint cIn) - { - ulong c = cIn; - c += (ulong)x[xOff + 0] + z[zOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 1] + z[zOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 2] + z[zOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 3] + z[zOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 4] + z[zOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 5] + z[zOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint AddToEachOther(uint[] u, int uOff, uint[] v, int vOff) - { - ulong c = 0; - c += (ulong)u[uOff + 0] + v[vOff + 0]; - u[uOff + 0] = (uint)c; - v[vOff + 0] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 1] + v[vOff + 1]; - u[uOff + 1] = (uint)c; - v[vOff + 1] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 2] + v[vOff + 2]; - u[uOff + 2] = (uint)c; - v[vOff + 2] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 3] + v[vOff + 3]; - u[uOff + 3] = (uint)c; - v[vOff + 3] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 4] + v[vOff + 4]; - u[uOff + 4] = (uint)c; - v[vOff + 4] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 5] + v[vOff + 5]; - u[uOff + 5] = (uint)c; - v[vOff + 5] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static void Copy(uint[] x, uint[] z) - { - z[0] = x[0]; - z[1] = x[1]; - z[2] = x[2]; - z[3] = x[3]; - z[4] = x[4]; - z[5] = x[5]; - } - - public static uint[] Create() - { - return new uint[6]; - } - - public static uint[] CreateExt() - { - return new uint[12]; - } - - public static bool Diff(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff) - { - bool pos = Gte(x, xOff, y, yOff); - if (pos) - { - Sub(x, xOff, y, yOff, z, zOff); - } - else - { - Sub(y, yOff, x, xOff, z, zOff); - } - return pos; - } - - public static bool Eq(uint[] x, uint[] y) - { - for (int i = 5; i >= 0; --i) - { - if (x[i] != y[i]) - return false; - } - return true; - } - - public static uint[] FromBigInteger(BigInteger x) - { - if (x.SignValue < 0 || x.BitLength > 192) - throw new ArgumentException(); - - uint[] z = Create(); - int i = 0; - while (x.SignValue != 0) - { - z[i++] = (uint)x.IntValue; - x = x.ShiftRight(32); - } - return z; - } - - public static uint GetBit(uint[] x, int bit) - { - if (bit == 0) - { - return x[0] & 1; - } - int w = bit >> 5; - if (w < 0 || w >= 6) - { - return 0; - } - int b = bit & 31; - return (x[w] >> b) & 1; - } - - public static bool Gte(uint[] x, uint[] y) - { - for (int i = 5; i >= 0; --i) - { - uint x_i = x[i], y_i = y[i]; - if (x_i < y_i) - return false; - if (x_i > y_i) - return true; - } - return true; - } - - public static bool Gte(uint[] x, int xOff, uint[] y, int yOff) - { - for (int i = 5; i >= 0; --i) - { - uint x_i = x[xOff + i], y_i = y[yOff + i]; - if (x_i < y_i) - return false; - if (x_i > y_i) - return true; - } - return true; - } - - public static bool IsOne(uint[] x) - { - if (x[0] != 1) - { - return false; - } - for (int i = 1; i < 6; ++i) - { - if (x[i] != 0) - { - return false; - } - } - return true; - } - - public static bool IsZero(uint[] x) - { - for (int i = 0; i < 6; ++i) - { - if (x[i] != 0) - { - return false; - } - } - return true; - } - - public static void Mul(uint[] x, uint[] y, uint[] zz) - { - ulong y_0 = y[0]; - ulong y_1 = y[1]; - ulong y_2 = y[2]; - ulong y_3 = y[3]; - ulong y_4 = y[4]; - ulong y_5 = y[5]; - - { - ulong c = 0, x_0 = x[0]; - c += x_0 * y_0; - zz[0] = (uint)c; - c >>= 32; - c += x_0 * y_1; - zz[1] = (uint)c; - c >>= 32; - c += x_0 * y_2; - zz[2] = (uint)c; - c >>= 32; - c += x_0 * y_3; - zz[3] = (uint)c; - c >>= 32; - c += x_0 * y_4; - zz[4] = (uint)c; - c >>= 32; - c += x_0 * y_5; - zz[5] = (uint)c; - c >>= 32; - zz[6] = (uint)c; - } - - for (int i = 1; i < 6; ++i) - { - ulong c = 0, x_i = x[i]; - c += x_i * y_0 + zz[i + 0]; - zz[i + 0] = (uint)c; - c >>= 32; - c += x_i * y_1 + zz[i + 1]; - zz[i + 1] = (uint)c; - c >>= 32; - c += x_i * y_2 + zz[i + 2]; - zz[i + 2] = (uint)c; - c >>= 32; - c += x_i * y_3 + zz[i + 3]; - zz[i + 3] = (uint)c; - c >>= 32; - c += x_i * y_4 + zz[i + 4]; - zz[i + 4] = (uint)c; - c >>= 32; - c += x_i * y_5 + zz[i + 5]; - zz[i + 5] = (uint)c; - c >>= 32; - zz[i + 6] = (uint)c; - } - } - - public static void Mul(uint[] x, int xOff, uint[] y, int yOff, uint[] zz, int zzOff) - { - ulong y_0 = y[yOff + 0]; - ulong y_1 = y[yOff + 1]; - ulong y_2 = y[yOff + 2]; - ulong y_3 = y[yOff + 3]; - ulong y_4 = y[yOff + 4]; - ulong y_5 = y[yOff + 5]; - - { - ulong c = 0, x_0 = x[xOff + 0]; - c += x_0 * y_0; - zz[zzOff + 0] = (uint)c; - c >>= 32; - c += x_0 * y_1; - zz[zzOff + 1] = (uint)c; - c >>= 32; - c += x_0 * y_2; - zz[zzOff + 2] = (uint)c; - c >>= 32; - c += x_0 * y_3; - zz[zzOff + 3] = (uint)c; - c >>= 32; - c += x_0 * y_4; - zz[zzOff + 4] = (uint)c; - c >>= 32; - c += x_0 * y_5; - zz[zzOff + 5] = (uint)c; - c >>= 32; - zz[zzOff + 6] = (uint)c; - } - - for (int i = 1; i < 6; ++i) - { - ++zzOff; - ulong c = 0, x_i = x[xOff + i]; - c += x_i * y_0 + zz[zzOff + 0]; - zz[zzOff + 0] = (uint)c; - c >>= 32; - c += x_i * y_1 + zz[zzOff + 1]; - zz[zzOff + 1] = (uint)c; - c >>= 32; - c += x_i * y_2 + zz[zzOff + 2]; - zz[zzOff + 2] = (uint)c; - c >>= 32; - c += x_i * y_3 + zz[zzOff + 3]; - zz[zzOff + 3] = (uint)c; - c >>= 32; - c += x_i * y_4 + zz[zzOff + 4]; - zz[zzOff + 4] = (uint)c; - c >>= 32; - c += x_i * y_5 + zz[zzOff + 5]; - zz[zzOff + 5] = (uint)c; - c >>= 32; - zz[zzOff + 6] = (uint)c; - } - } - - public static uint MulAddTo(uint[] x, uint[] y, uint[] zz) - { - ulong y_0 = y[0]; - ulong y_1 = y[1]; - ulong y_2 = y[2]; - ulong y_3 = y[3]; - ulong y_4 = y[4]; - ulong y_5 = y[5]; - - ulong zc = 0; - for (int i = 0; i < 6; ++i) - { - ulong c = 0, x_i = x[i]; - c += x_i * y_0 + zz[i + 0]; - zz[i + 0] = (uint)c; - c >>= 32; - c += x_i * y_1 + zz[i + 1]; - zz[i + 1] = (uint)c; - c >>= 32; - c += x_i * y_2 + zz[i + 2]; - zz[i + 2] = (uint)c; - c >>= 32; - c += x_i * y_3 + zz[i + 3]; - zz[i + 3] = (uint)c; - c >>= 32; - c += x_i * y_4 + zz[i + 4]; - zz[i + 4] = (uint)c; - c >>= 32; - c += x_i * y_5 + zz[i + 5]; - zz[i + 5] = (uint)c; - c >>= 32; - c += zc + zz[i + 6]; - zz[i + 6] = (uint)c; - zc = c >> 32; - } - return (uint)zc; - } - - public static uint MulAddTo(uint[] x, int xOff, uint[] y, int yOff, uint[] zz, int zzOff) - { - ulong y_0 = y[yOff + 0]; - ulong y_1 = y[yOff + 1]; - ulong y_2 = y[yOff + 2]; - ulong y_3 = y[yOff + 3]; - ulong y_4 = y[yOff + 4]; - ulong y_5 = y[yOff + 5]; - - ulong zc = 0; - for (int i = 0; i < 6; ++i) - { - ulong c = 0, x_i = x[xOff + i]; - c += x_i * y_0 + zz[zzOff + 0]; - zz[zzOff + 0] = (uint)c; - c >>= 32; - c += x_i * y_1 + zz[zzOff + 1]; - zz[zzOff + 1] = (uint)c; - c >>= 32; - c += x_i * y_2 + zz[zzOff + 2]; - zz[zzOff + 2] = (uint)c; - c >>= 32; - c += x_i * y_3 + zz[zzOff + 3]; - zz[zzOff + 3] = (uint)c; - c >>= 32; - c += x_i * y_4 + zz[zzOff + 4]; - zz[zzOff + 4] = (uint)c; - c >>= 32; - c += x_i * y_5 + zz[zzOff + 5]; - zz[zzOff + 5] = (uint)c; - c >>= 32; - c += zc + zz[zzOff + 6]; - zz[zzOff + 6] = (uint)c; - zc = c >> 32; - ++zzOff; - } - return (uint)zc; - } - - public static ulong Mul33Add(uint w, uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff) - { - Debug.Assert(w >> 31 == 0); - - ulong c = 0, wVal = w; - ulong x0 = x[xOff + 0]; - c += wVal * x0 + y[yOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - ulong x1 = x[xOff + 1]; - c += wVal * x1 + x0 + y[yOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - ulong x2 = x[xOff + 2]; - c += wVal * x2 + x1 + y[yOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - ulong x3 = x[xOff + 3]; - c += wVal * x3 + x2 + y[yOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - ulong x4 = x[xOff + 4]; - c += wVal * x4 + x3 + y[yOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - ulong x5 = x[xOff + 5]; - c += wVal * x5 + x4 + y[yOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - c += x5; - return c; - } - - public static uint MulWordAddExt(uint x, uint[] yy, int yyOff, uint[] zz, int zzOff) - { - Debug.Assert(yyOff <= 6); - Debug.Assert(zzOff <= 6); - ulong c = 0, xVal = x; - c += xVal * yy[yyOff + 0] + zz[zzOff + 0]; - zz[zzOff + 0] = (uint)c; - c >>= 32; - c += xVal * yy[yyOff + 1] + zz[zzOff + 1]; - zz[zzOff + 1] = (uint)c; - c >>= 32; - c += xVal * yy[yyOff + 2] + zz[zzOff + 2]; - zz[zzOff + 2] = (uint)c; - c >>= 32; - c += xVal * yy[yyOff + 3] + zz[zzOff + 3]; - zz[zzOff + 3] = (uint)c; - c >>= 32; - c += xVal * yy[yyOff + 4] + zz[zzOff + 4]; - zz[zzOff + 4] = (uint)c; - c >>= 32; - c += xVal * yy[yyOff + 5] + zz[zzOff + 5]; - zz[zzOff + 5] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint Mul33DWordAdd(uint x, ulong y, uint[] z, int zOff) - { - Debug.Assert(x >> 31 == 0); - Debug.Assert(zOff <= 2); - ulong c = 0, xVal = x; - ulong y00 = y & M; - c += xVal * y00 + z[zOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - ulong y01 = y >> 32; - c += xVal * y01 + y00 + z[zOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += y01 + z[zOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += z[zOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - return c == 0 ? 0 : Nat.IncAt(6, z, zOff, 4); - } - - public static uint Mul33WordAdd(uint x, uint y, uint[] z, int zOff) - { - Debug.Assert(x >> 31 == 0); - Debug.Assert(zOff <=3); - ulong c = 0, yVal = y; - c += yVal * x + z[zOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += yVal + z[zOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += z[zOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - return c == 0 ? 0 : Nat.IncAt(6, z, zOff, 3); - } - - public static uint MulWordDwordAdd(uint x, ulong y, uint[] z, int zOff) - { - Debug.Assert(zOff <= 3); - ulong c = 0, xVal = x; - c += xVal * y + z[zOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += xVal * (y >> 32) + z[zOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += z[zOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - return c == 0 ? 0 : Nat.IncAt(6, z, zOff, 3); - } - - public static uint MulWord(uint x, uint[] y, uint[] z, int zOff) - { - ulong c = 0, xVal = x; - int i = 0; - do - { - c += xVal * y[i]; - z[zOff + i] = (uint)c; - c >>= 32; - } - while (++i < 6); - return (uint)c; - } - - public static void Square(uint[] x, uint[] zz) - { - ulong x_0 = x[0]; - ulong zz_1; - - uint c = 0, w; - { - int i = 5, j = 12; - do - { - ulong xVal = x[i--]; - ulong p = xVal * xVal; - zz[--j] = (c << 31) | (uint)(p >> 33); - zz[--j] = (uint)(p >> 1); - c = (uint)p; - } - while (i > 0); - - { - ulong p = x_0 * x_0; - zz_1 = (ulong)(c << 31) | (p >> 33); - zz[0] = (uint)p; - c = (uint)(p >> 32) & 1; - } - } - - ulong x_1 = x[1]; - ulong zz_2 = zz[2]; - - { - zz_1 += x_1 * x_0; - w = (uint)zz_1; - zz[1] = (w << 1) | c; - c = w >> 31; - zz_2 += zz_1 >> 32; - } - - ulong x_2 = x[2]; - ulong zz_3 = zz[3]; - ulong zz_4 = zz[4]; - { - zz_2 += x_2 * x_0; - w = (uint)zz_2; - zz[2] = (w << 1) | c; - c = w >> 31; - zz_3 += (zz_2 >> 32) + x_2 * x_1; - zz_4 += zz_3 >> 32; - zz_3 &= M; - } - - ulong x_3 = x[3]; - ulong zz_5 = zz[5]; - ulong zz_6 = zz[6]; - { - zz_3 += x_3 * x_0; - w = (uint)zz_3; - zz[3] = (w << 1) | c; - c = w >> 31; - zz_4 += (zz_3 >> 32) + x_3 * x_1; - zz_5 += (zz_4 >> 32) + x_3 * x_2; - zz_4 &= M; - zz_6 += zz_5 >> 32; - zz_5 &= M; - } - - ulong x_4 = x[4]; - ulong zz_7 = zz[7]; - ulong zz_8 = zz[8]; - { - zz_4 += x_4 * x_0; - w = (uint)zz_4; - zz[4] = (w << 1) | c; - c = w >> 31; - zz_5 += (zz_4 >> 32) + x_4 * x_1; - zz_6 += (zz_5 >> 32) + x_4 * x_2; - zz_5 &= M; - zz_7 += (zz_6 >> 32) + x_4 * x_3; - zz_6 &= M; - zz_8 += zz_7 >> 32; - zz_7 &= M; - } - - ulong x_5 = x[5]; - ulong zz_9 = zz[9]; - ulong zz_10 = zz[10]; - { - zz_5 += x_5 * x_0; - w = (uint)zz_5; - zz[5] = (w << 1) | c; - c = w >> 31; - zz_6 += (zz_5 >> 32) + x_5 * x_1; - zz_7 += (zz_6 >> 32) + x_5 * x_2; - zz_8 += (zz_7 >> 32) + x_5 * x_3; - zz_9 += (zz_8 >> 32) + x_5 * x_4; - zz_10 += zz_9 >> 32; - } - - w = (uint)zz_6; - zz[6] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_7; - zz[7] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_8; - zz[8] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_9; - zz[9] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_10; - zz[10] = (w << 1) | c; - c = w >> 31; - w = zz[11] + (uint)(zz_10 >> 32); - zz[11] = (w << 1) | c; - } - - public static void Square(uint[] x, int xOff, uint[] zz, int zzOff) - { - ulong x_0 = x[xOff + 0]; - ulong zz_1; - - uint c = 0, w; - { - int i = 5, j = 12; - do - { - ulong xVal = x[xOff + i--]; - ulong p = xVal * xVal; - zz[zzOff + --j] = (c << 31) | (uint)(p >> 33); - zz[zzOff + --j] = (uint)(p >> 1); - c = (uint)p; - } - while (i > 0); - - { - ulong p = x_0 * x_0; - zz_1 = (ulong)(c << 31) | (p >> 33); - zz[zzOff + 0] = (uint)p; - c = (uint)(p >> 32) & 1; - } - } - - ulong x_1 = x[xOff + 1]; - ulong zz_2 = zz[zzOff + 2]; - - { - zz_1 += x_1 * x_0; - w = (uint)zz_1; - zz[zzOff + 1] = (w << 1) | c; - c = w >> 31; - zz_2 += zz_1 >> 32; - } - - ulong x_2 = x[xOff + 2]; - ulong zz_3 = zz[zzOff + 3]; - ulong zz_4 = zz[zzOff + 4]; - { - zz_2 += x_2 * x_0; - w = (uint)zz_2; - zz[zzOff + 2] = (w << 1) | c; - c = w >> 31; - zz_3 += (zz_2 >> 32) + x_2 * x_1; - zz_4 += zz_3 >> 32; - zz_3 &= M; - } - - ulong x_3 = x[xOff + 3]; - ulong zz_5 = zz[zzOff + 5]; - ulong zz_6 = zz[zzOff + 6]; - { - zz_3 += x_3 * x_0; - w = (uint)zz_3; - zz[zzOff + 3] = (w << 1) | c; - c = w >> 31; - zz_4 += (zz_3 >> 32) + x_3 * x_1; - zz_5 += (zz_4 >> 32) + x_3 * x_2; - zz_4 &= M; - zz_6 += zz_5 >> 32; - zz_5 &= M; - } - - ulong x_4 = x[xOff + 4]; - ulong zz_7 = zz[zzOff + 7]; - ulong zz_8 = zz[zzOff + 8]; - { - zz_4 += x_4 * x_0; - w = (uint)zz_4; - zz[zzOff + 4] = (w << 1) | c; - c = w >> 31; - zz_5 += (zz_4 >> 32) + x_4 * x_1; - zz_6 += (zz_5 >> 32) + x_4 * x_2; - zz_5 &= M; - zz_7 += (zz_6 >> 32) + x_4 * x_3; - zz_6 &= M; - zz_8 += zz_7 >> 32; - zz_7 &= M; - } - - ulong x_5 = x[xOff + 5]; - ulong zz_9 = zz[zzOff + 9]; - ulong zz_10 = zz[zzOff + 10]; - { - zz_5 += x_5 * x_0; - w = (uint)zz_5; - zz[zzOff + 5] = (w << 1) | c; - c = w >> 31; - zz_6 += (zz_5 >> 32) + x_5 * x_1; - zz_7 += (zz_6 >> 32) + x_5 * x_2; - zz_8 += (zz_7 >> 32) + x_5 * x_3; - zz_9 += (zz_8 >> 32) + x_5 * x_4; - zz_10 += zz_9 >> 32; - } - - w = (uint)zz_6; - zz[zzOff + 6] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_7; - zz[zzOff + 7] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_8; - zz[zzOff + 8] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_9; - zz[zzOff + 9] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_10; - zz[zzOff + 10] = (w << 1) | c; - c = w >> 31; - w = zz[zzOff + 11] + (uint)(zz_10 >> 32); - zz[zzOff + 11] = (w << 1) | c; - } - - public static int Sub(uint[] x, uint[] y, uint[] z) - { - long c = 0; - c += (long)x[0] - y[0]; - z[0] = (uint)c; - c >>= 32; - c += (long)x[1] - y[1]; - z[1] = (uint)c; - c >>= 32; - c += (long)x[2] - y[2]; - z[2] = (uint)c; - c >>= 32; - c += (long)x[3] - y[3]; - z[3] = (uint)c; - c >>= 32; - c += (long)x[4] - y[4]; - z[4] = (uint)c; - c >>= 32; - c += (long)x[5] - y[5]; - z[5] = (uint)c; - c >>= 32; - return (int)c; - } - - public static int Sub(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff) - { - long c = 0; - c += (long)x[xOff + 0] - y[yOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += (long)x[xOff + 1] - y[yOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += (long)x[xOff + 2] - y[yOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += (long)x[xOff + 3] - y[yOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - c += (long)x[xOff + 4] - y[yOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - c += (long)x[xOff + 5] - y[yOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - return (int)c; - } - - public static int SubBothFrom(uint[] x, uint[] y, uint[] z) - { - long c = 0; - c += (long)z[0] - x[0] - y[0]; - z[0] = (uint)c; - c >>= 32; - c += (long)z[1] - x[1] - y[1]; - z[1] = (uint)c; - c >>= 32; - c += (long)z[2] - x[2] - y[2]; - z[2] = (uint)c; - c >>= 32; - c += (long)z[3] - x[3] - y[3]; - z[3] = (uint)c; - c >>= 32; - c += (long)z[4] - x[4] - y[4]; - z[4] = (uint)c; - c >>= 32; - c += (long)z[5] - x[5] - y[5]; - z[5] = (uint)c; - c >>= 32; - return (int)c; - } - - public static int SubFrom(uint[] x, uint[] z) - { - long c = 0; - c += (long)z[0] - x[0]; - z[0] = (uint)c; - c >>= 32; - c += (long)z[1] - x[1]; - z[1] = (uint)c; - c >>= 32; - c += (long)z[2] - x[2]; - z[2] = (uint)c; - c >>= 32; - c += (long)z[3] - x[3]; - z[3] = (uint)c; - c >>= 32; - c += (long)z[4] - x[4]; - z[4] = (uint)c; - c >>= 32; - c += (long)z[5] - x[5]; - z[5] = (uint)c; - c >>= 32; - return (int)c; - } - - public static int SubFrom(uint[] x, int xOff, uint[] z, int zOff) - { - long c = 0; - c += (long)z[zOff + 0] - x[xOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += (long)z[zOff + 1] - x[xOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += (long)z[zOff + 2] - x[xOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += (long)z[zOff + 3] - x[xOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - c += (long)z[zOff + 4] - x[xOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - c += (long)z[zOff + 5] - x[xOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - return (int)c; - } - - public static BigInteger ToBigInteger(uint[] x) - { - byte[] bs = new byte[24]; - for (int i = 0; i < 6; ++i) - { - uint x_i = x[i]; - if (x_i != 0) - { - Pack.UInt32_To_BE(x_i, bs, (5 - i) << 2); - } - } - return new BigInteger(1, bs); - } - - public static void Zero(uint[] z) - { - z[0] = 0; - z[1] = 0; - z[2] = 0; - z[3] = 0; - z[4] = 0; - z[5] = 0; - } - } -} diff --git a/crypto/src/math/ec/custom/sec/Nat224.cs b/crypto/src/math/ec/custom/sec/Nat224.cs deleted file mode 100644 index d5b916a54..000000000 --- a/crypto/src/math/ec/custom/sec/Nat224.cs +++ /dev/null @@ -1,1176 +0,0 @@ -using System; -using System.Diagnostics; - -using Org.BouncyCastle.Crypto.Utilities; - -namespace Org.BouncyCastle.Math.EC.Custom.Sec -{ - internal abstract class Nat224 - { - private const ulong M = 0xFFFFFFFFUL; - - public static uint Add(uint[] x, uint[] y, uint[] z) - { - ulong c = 0; - c += (ulong)x[0] + y[0]; - z[0] = (uint)c; - c >>= 32; - c += (ulong)x[1] + y[1]; - z[1] = (uint)c; - c >>= 32; - c += (ulong)x[2] + y[2]; - z[2] = (uint)c; - c >>= 32; - c += (ulong)x[3] + y[3]; - z[3] = (uint)c; - c >>= 32; - c += (ulong)x[4] + y[4]; - z[4] = (uint)c; - c >>= 32; - c += (ulong)x[5] + y[5]; - z[5] = (uint)c; - c >>= 32; - c += (ulong)x[6] + y[6]; - z[6] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint Add(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff) - { - ulong c = 0; - c += (ulong)x[xOff + 0] + y[yOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 1] + y[yOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 2] + y[yOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 3] + y[yOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 4] + y[yOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 5] + y[yOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 6] + y[yOff + 6]; - z[zOff + 6] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint AddBothTo(uint[] x, uint[] y, uint[] z) - { - ulong c = 0; - c += (ulong)x[0] + y[0] + z[0]; - z[0] = (uint)c; - c >>= 32; - c += (ulong)x[1] + y[1] + z[1]; - z[1] = (uint)c; - c >>= 32; - c += (ulong)x[2] + y[2] + z[2]; - z[2] = (uint)c; - c >>= 32; - c += (ulong)x[3] + y[3] + z[3]; - z[3] = (uint)c; - c >>= 32; - c += (ulong)x[4] + y[4] + z[4]; - z[4] = (uint)c; - c >>= 32; - c += (ulong)x[5] + y[5] + z[5]; - z[5] = (uint)c; - c >>= 32; - c += (ulong)x[6] + y[6] + z[6]; - z[6] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint AddBothTo(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff) - { - ulong c = 0; - c += (ulong)x[xOff + 0] + y[yOff + 0] + z[zOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 1] + y[yOff + 1] + z[zOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 2] + y[yOff + 2] + z[zOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 3] + y[yOff + 3] + z[zOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 4] + y[yOff + 4] + z[zOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 5] + y[yOff + 5] + z[zOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 6] + y[yOff + 6] + z[zOff + 6]; - z[zOff + 6] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint AddTo(uint[] x, uint[] z) - { - ulong c = 0; - c += (ulong)x[0] + z[0]; - z[0] = (uint)c; - c >>= 32; - c += (ulong)x[1] + z[1]; - z[1] = (uint)c; - c >>= 32; - c += (ulong)x[2] + z[2]; - z[2] = (uint)c; - c >>= 32; - c += (ulong)x[3] + z[3]; - z[3] = (uint)c; - c >>= 32; - c += (ulong)x[4] + z[4]; - z[4] = (uint)c; - c >>= 32; - c += (ulong)x[5] + z[5]; - z[5] = (uint)c; - c >>= 32; - c += (ulong)x[6] + z[6]; - z[6] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint AddTo(uint[] x, int xOff, uint[] z, int zOff, uint cIn) - { - ulong c = cIn; - c += (ulong)x[xOff + 0] + z[zOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 1] + z[zOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 2] + z[zOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 3] + z[zOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 4] + z[zOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 5] + z[zOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 6] + z[zOff + 6]; - z[zOff + 6] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint AddToEachOther(uint[] u, int uOff, uint[] v, int vOff) - { - ulong c = 0; - c += (ulong)u[uOff + 0] + v[vOff + 0]; - u[uOff + 0] = (uint)c; - v[vOff + 0] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 1] + v[vOff + 1]; - u[uOff + 1] = (uint)c; - v[vOff + 1] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 2] + v[vOff + 2]; - u[uOff + 2] = (uint)c; - v[vOff + 2] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 3] + v[vOff + 3]; - u[uOff + 3] = (uint)c; - v[vOff + 3] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 4] + v[vOff + 4]; - u[uOff + 4] = (uint)c; - v[vOff + 4] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 5] + v[vOff + 5]; - u[uOff + 5] = (uint)c; - v[vOff + 5] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 6] + v[vOff + 6]; - u[uOff + 6] = (uint)c; - v[vOff + 6] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static void Copy(uint[] x, uint[] z) - { - z[0] = x[0]; - z[1] = x[1]; - z[2] = x[2]; - z[3] = x[3]; - z[4] = x[4]; - z[5] = x[5]; - z[6] = x[6]; - } - - public static uint[] Create() - { - return new uint[7]; - } - - public static uint[] CreateExt() - { - return new uint[14]; - } - - public static bool Diff(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff) - { - bool pos = Gte(x, xOff, y, yOff); - if (pos) - { - Sub(x, xOff, y, yOff, z, zOff); - } - else - { - Sub(y, yOff, x, xOff, z, zOff); - } - return pos; - } - - public static bool Eq(uint[] x, uint[] y) - { - for (int i = 6; i >= 0; --i) - { - if (x[i] != y[i]) - return false; - } - return true; - } - - public static uint[] FromBigInteger(BigInteger x) - { - if (x.SignValue < 0 || x.BitLength > 224) - throw new ArgumentException(); - - uint[] z = Create(); - int i = 0; - while (x.SignValue != 0) - { - z[i++] = (uint)x.IntValue; - x = x.ShiftRight(32); - } - return z; - } - - public static uint GetBit(uint[] x, int bit) - { - if (bit == 0) - { - return x[0] & 1; - } - int w = bit >> 5; - if (w < 0 || w >= 7) - { - return 0; - } - int b = bit & 31; - return (x[w] >> b) & 1; - } - - public static bool Gte(uint[] x, uint[] y) - { - for (int i = 6; i >= 0; --i) - { - uint x_i = x[i], y_i = y[i]; - if (x_i < y_i) - return false; - if (x_i > y_i) - return true; - } - return true; - } - - public static bool Gte(uint[] x, int xOff, uint[] y, int yOff) - { - for (int i = 6; i >= 0; --i) - { - uint x_i = x[xOff + i], y_i = y[yOff + i]; - if (x_i < y_i) - return false; - if (x_i > y_i) - return true; - } - return true; - } - - public static bool IsOne(uint[] x) - { - if (x[0] != 1) - { - return false; - } - for (int i = 1; i < 7; ++i) - { - if (x[i] != 0) - { - return false; - } - } - return true; - } - - public static bool IsZero(uint[] x) - { - for (int i = 0; i < 7; ++i) - { - if (x[i] != 0) - { - return false; - } - } - return true; - } - - public static void Mul(uint[] x, uint[] y, uint[] zz) - { - ulong y_0 = y[0]; - ulong y_1 = y[1]; - ulong y_2 = y[2]; - ulong y_3 = y[3]; - ulong y_4 = y[4]; - ulong y_5 = y[5]; - ulong y_6 = y[6]; - - { - ulong c = 0, x_0 = x[0]; - c += x_0 * y_0; - zz[0] = (uint)c; - c >>= 32; - c += x_0 * y_1; - zz[1] = (uint)c; - c >>= 32; - c += x_0 * y_2; - zz[2] = (uint)c; - c >>= 32; - c += x_0 * y_3; - zz[3] = (uint)c; - c >>= 32; - c += x_0 * y_4; - zz[4] = (uint)c; - c >>= 32; - c += x_0 * y_5; - zz[5] = (uint)c; - c >>= 32; - c += x_0 * y_6; - zz[6] = (uint)c; - c >>= 32; - zz[7] = (uint)c; - } - - for (int i = 1; i < 7; ++i) - { - ulong c = 0, x_i = x[i]; - c += x_i * y_0 + zz[i + 0]; - zz[i + 0] = (uint)c; - c >>= 32; - c += x_i * y_1 + zz[i + 1]; - zz[i + 1] = (uint)c; - c >>= 32; - c += x_i * y_2 + zz[i + 2]; - zz[i + 2] = (uint)c; - c >>= 32; - c += x_i * y_3 + zz[i + 3]; - zz[i + 3] = (uint)c; - c >>= 32; - c += x_i * y_4 + zz[i + 4]; - zz[i + 4] = (uint)c; - c >>= 32; - c += x_i * y_5 + zz[i + 5]; - zz[i + 5] = (uint)c; - c >>= 32; - c += x_i * y_6 + zz[i + 6]; - zz[i + 6] = (uint)c; - c >>= 32; - zz[i + 7] = (uint)c; - } - } - - public static void Mul(uint[] x, int xOff, uint[] y, int yOff, uint[] zz, int zzOff) - { - ulong y_0 = y[yOff + 0]; - ulong y_1 = y[yOff + 1]; - ulong y_2 = y[yOff + 2]; - ulong y_3 = y[yOff + 3]; - ulong y_4 = y[yOff + 4]; - ulong y_5 = y[yOff + 5]; - ulong y_6 = y[yOff + 6]; - - { - ulong c = 0, x_0 = x[xOff + 0]; - c += x_0 * y_0; - zz[zzOff + 0] = (uint)c; - c >>= 32; - c += x_0 * y_1; - zz[zzOff + 1] = (uint)c; - c >>= 32; - c += x_0 * y_2; - zz[zzOff + 2] = (uint)c; - c >>= 32; - c += x_0 * y_3; - zz[zzOff + 3] = (uint)c; - c >>= 32; - c += x_0 * y_4; - zz[zzOff + 4] = (uint)c; - c >>= 32; - c += x_0 * y_5; - zz[zzOff + 5] = (uint)c; - c >>= 32; - c += x_0 * y_6; - zz[zzOff + 6] = (uint)c; - c >>= 32; - zz[zzOff + 7] = (uint)c; - } - - for (int i = 1; i < 7; ++i) - { - ++zzOff; - ulong c = 0, x_i = x[xOff + i]; - c += x_i * y_0 + zz[zzOff + 0]; - zz[zzOff + 0] = (uint)c; - c >>= 32; - c += x_i * y_1 + zz[zzOff + 1]; - zz[zzOff + 1] = (uint)c; - c >>= 32; - c += x_i * y_2 + zz[zzOff + 2]; - zz[zzOff + 2] = (uint)c; - c >>= 32; - c += x_i * y_3 + zz[zzOff + 3]; - zz[zzOff + 3] = (uint)c; - c >>= 32; - c += x_i * y_4 + zz[zzOff + 4]; - zz[zzOff + 4] = (uint)c; - c >>= 32; - c += x_i * y_5 + zz[zzOff + 5]; - zz[zzOff + 5] = (uint)c; - c >>= 32; - c += x_i * y_6 + zz[zzOff + 6]; - zz[zzOff + 6] = (uint)c; - c >>= 32; - zz[zzOff + 7] = (uint)c; - } - } - - public static uint MulAddTo(uint[] x, uint[] y, uint[] zz) - { - ulong y_0 = y[0]; - ulong y_1 = y[1]; - ulong y_2 = y[2]; - ulong y_3 = y[3]; - ulong y_4 = y[4]; - ulong y_5 = y[5]; - ulong y_6 = y[6]; - - ulong zc = 0; - for (int i = 0; i < 7; ++i) - { - ulong c = 0, x_i = x[i]; - c += x_i * y_0 + zz[i + 0]; - zz[i + 0] = (uint)c; - c >>= 32; - c += x_i * y_1 + zz[i + 1]; - zz[i + 1] = (uint)c; - c >>= 32; - c += x_i * y_2 + zz[i + 2]; - zz[i + 2] = (uint)c; - c >>= 32; - c += x_i * y_3 + zz[i + 3]; - zz[i + 3] = (uint)c; - c >>= 32; - c += x_i * y_4 + zz[i + 4]; - zz[i + 4] = (uint)c; - c >>= 32; - c += x_i * y_5 + zz[i + 5]; - zz[i + 5] = (uint)c; - c >>= 32; - c += x_i * y_6 + zz[i + 6]; - zz[i + 6] = (uint)c; - c >>= 32; - c += zc + zz[i + 7]; - zz[i + 7] = (uint)c; - zc = c >> 32; - } - return (uint)zc; - } - - public static uint MulAddTo(uint[] x, int xOff, uint[] y, int yOff, uint[] zz, int zzOff) - { - ulong y_0 = y[yOff + 0]; - ulong y_1 = y[yOff + 1]; - ulong y_2 = y[yOff + 2]; - ulong y_3 = y[yOff + 3]; - ulong y_4 = y[yOff + 4]; - ulong y_5 = y[yOff + 5]; - ulong y_6 = y[yOff + 6]; - - ulong zc = 0; - for (int i = 0; i < 7; ++i) - { - ulong c = 0, x_i = x[xOff + i]; - c += x_i * y_0 + zz[zzOff + 0]; - zz[zzOff + 0] = (uint)c; - c >>= 32; - c += x_i * y_1 + zz[zzOff + 1]; - zz[zzOff + 1] = (uint)c; - c >>= 32; - c += x_i * y_2 + zz[zzOff + 2]; - zz[zzOff + 2] = (uint)c; - c >>= 32; - c += x_i * y_3 + zz[zzOff + 3]; - zz[zzOff + 3] = (uint)c; - c >>= 32; - c += x_i * y_4 + zz[zzOff + 4]; - zz[zzOff + 4] = (uint)c; - c >>= 32; - c += x_i * y_5 + zz[zzOff + 5]; - zz[zzOff + 5] = (uint)c; - c >>= 32; - c += x_i * y_6 + zz[zzOff + 6]; - zz[zzOff + 6] = (uint)c; - c >>= 32; - c += zc + zz[zzOff + 7]; - zz[zzOff + 7] = (uint)c; - zc = c >> 32; - ++zzOff; - } - return (uint)zc; - } - - public static ulong Mul33Add(uint w, uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff) - { - Debug.Assert(w >> 31 == 0); - - ulong c = 0, wVal = w; - ulong x0 = x[xOff + 0]; - c += wVal * x0 + y[yOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - ulong x1 = x[xOff + 1]; - c += wVal * x1 + x0 + y[yOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - ulong x2 = x[xOff + 2]; - c += wVal * x2 + x1 + y[yOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - ulong x3 = x[xOff + 3]; - c += wVal * x3 + x2 + y[yOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - ulong x4 = x[xOff + 4]; - c += wVal * x4 + x3 + y[yOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - ulong x5 = x[xOff + 5]; - c += wVal * x5 + x4 + y[yOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - ulong x6 = x[xOff + 6]; - c += wVal * x6 + x5 + y[yOff + 6]; - z[zOff + 6] = (uint)c; - c >>= 32; - c += x6; - return c; - } - - public static uint MulByWord(uint x, uint[] z) - { - ulong c = 0, xVal = x; - c += xVal * (ulong)z[0]; - z[0] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[1]; - z[1] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[2]; - z[2] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[3]; - z[3] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[4]; - z[4] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[5]; - z[5] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[6]; - z[6] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint MulByWordAddTo(uint x, uint[] y, uint[] z) - { - ulong c = 0, xVal = x; - c += xVal * (ulong)z[0] + y[0]; - z[0] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[1] + y[1]; - z[1] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[2] + y[2]; - z[2] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[3] + y[3]; - z[3] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[4] + y[4]; - z[4] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[5] + y[5]; - z[5] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[6] + y[6]; - z[6] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint MulWordAddTo(uint x, uint[] y, int yOff, uint[] z, int zOff) - { - ulong c = 0, xVal = x; - c += xVal * y[yOff + 0] + z[zOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += xVal * y[yOff + 1] + z[zOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += xVal * y[yOff + 2] + z[zOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += xVal * y[yOff + 3] + z[zOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - c += xVal * y[yOff + 4] + z[zOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - c += xVal * y[yOff + 5] + z[zOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - c += xVal * y[yOff + 6] + z[zOff + 6]; - z[zOff + 6] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint Mul33DWordAdd(uint x, ulong y, uint[] z, int zOff) - { - Debug.Assert(x >> 31 == 0); - Debug.Assert(zOff <= 3); - ulong c = 0, xVal = x; - ulong y00 = y & M; - c += xVal * y00 + z[zOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - ulong y01 = y >> 32; - c += xVal * y01 + y00 + z[zOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += y01 + z[zOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += z[zOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - return c == 0 ? 0 : Nat.IncAt(7, z, zOff, 4); - } - - public static uint Mul33WordAdd(uint x, uint y, uint[] z, int zOff) - { - Debug.Assert(x >> 31 == 0); - Debug.Assert(zOff <= 4); - ulong c = 0, yVal = y; - c += yVal * x + z[zOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += yVal + z[zOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += z[zOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - return c == 0 ? 0 : Nat.IncAt(7, z, zOff, 3); - } - - public static uint MulWordDwordAdd(uint x, ulong y, uint[] z, int zOff) - { - Debug.Assert(zOff <= 4); - ulong c = 0, xVal = x; - c += xVal * y + z[zOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += xVal * (y >> 32) + z[zOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += z[zOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - return c == 0 ? 0 : Nat.IncAt(7, z, zOff, 3); - } - - public static uint MulWord(uint x, uint[] y, uint[] z, int zOff) - { - ulong c = 0, xVal = x; - int i = 0; - do - { - c += xVal * y[i]; - z[zOff + i] = (uint)c; - c >>= 32; - } - while (++i < 7); - return (uint)c; - } - - public static void Square(uint[] x, uint[] zz) - { - ulong x_0 = x[0]; - ulong zz_1; - - uint c = 0, w; - { - int i = 6, j = 14; - do - { - ulong xVal = x[i--]; - ulong p = xVal * xVal; - zz[--j] = (c << 31) | (uint)(p >> 33); - zz[--j] = (uint)(p >> 1); - c = (uint)p; - } - while (i > 0); - - { - ulong p = x_0 * x_0; - zz_1 = (ulong)(c << 31) | (p >> 33); - zz[0] = (uint)p; - c = (uint)(p >> 32) & 1; - } - } - - ulong x_1 = x[1]; - ulong zz_2 = zz[2]; - - { - zz_1 += x_1 * x_0; - w = (uint)zz_1; - zz[1] = (w << 1) | c; - c = w >> 31; - zz_2 += zz_1 >> 32; - } - - ulong x_2 = x[2]; - ulong zz_3 = zz[3]; - ulong zz_4 = zz[4]; - { - zz_2 += x_2 * x_0; - w = (uint)zz_2; - zz[2] = (w << 1) | c; - c = w >> 31; - zz_3 += (zz_2 >> 32) + x_2 * x_1; - zz_4 += zz_3 >> 32; - zz_3 &= M; - } - - ulong x_3 = x[3]; - ulong zz_5 = zz[5]; - ulong zz_6 = zz[6]; - { - zz_3 += x_3 * x_0; - w = (uint)zz_3; - zz[3] = (w << 1) | c; - c = w >> 31; - zz_4 += (zz_3 >> 32) + x_3 * x_1; - zz_5 += (zz_4 >> 32) + x_3 * x_2; - zz_4 &= M; - zz_6 += zz_5 >> 32; - zz_5 &= M; - } - - ulong x_4 = x[4]; - ulong zz_7 = zz[7]; - ulong zz_8 = zz[8]; - { - zz_4 += x_4 * x_0; - w = (uint)zz_4; - zz[4] = (w << 1) | c; - c = w >> 31; - zz_5 += (zz_4 >> 32) + x_4 * x_1; - zz_6 += (zz_5 >> 32) + x_4 * x_2; - zz_5 &= M; - zz_7 += (zz_6 >> 32) + x_4 * x_3; - zz_6 &= M; - zz_8 += zz_7 >> 32; - zz_7 &= M; - } - - ulong x_5 = x[5]; - ulong zz_9 = zz[9]; - ulong zz_10 = zz[10]; - { - zz_5 += x_5 * x_0; - w = (uint)zz_5; - zz[5] = (w << 1) | c; - c = w >> 31; - zz_6 += (zz_5 >> 32) + x_5 * x_1; - zz_7 += (zz_6 >> 32) + x_5 * x_2; - zz_6 &= M; - zz_8 += (zz_7 >> 32) + x_5 * x_3; - zz_7 &= M; - zz_9 += (zz_8 >> 32) + x_5 * x_4; - zz_8 &= M; - zz_10 += zz_9 >> 32; - zz_9 &= M; - } - - ulong x_6 = x[6]; - ulong zz_11 = zz[11]; - ulong zz_12 = zz[12]; - { - zz_6 += x_6 * x_0; - w = (uint)zz_6; - zz[6] = (w << 1) | c; - c = w >> 31; - zz_7 += (zz_6 >> 32) + x_6 * x_1; - zz_8 += (zz_7 >> 32) + x_6 * x_2; - zz_9 += (zz_8 >> 32) + x_6 * x_3; - zz_10 += (zz_9 >> 32) + x_6 * x_4; - zz_11 += (zz_10 >> 32) + x_6 * x_5; - zz_12 += zz_11 >> 32; - } - - w = (uint)zz_7; - zz[7] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_8; - zz[8] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_9; - zz[9] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_10; - zz[10] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_11; - zz[11] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_12; - zz[12] = (w << 1) | c; - c = w >> 31; - w = zz[13] + (uint)(zz_12 >> 32); - zz[13] = (w << 1) | c; - } - - public static void Square(uint[] x, int xOff, uint[] zz, int zzOff) - { - ulong x_0 = x[xOff + 0]; - ulong zz_1; - - uint c = 0, w; - { - int i = 6, j = 14; - do - { - ulong xVal = x[xOff + i--]; - ulong p = xVal * xVal; - zz[zzOff + --j] = (c << 31) | (uint)(p >> 33); - zz[zzOff + --j] = (uint)(p >> 1); - c = (uint)p; - } - while (i > 0); - - { - ulong p = x_0 * x_0; - zz_1 = (ulong)(c << 31) | (p >> 33); - zz[zzOff + 0] = (uint)p; - c = (uint)(p >> 32) & 1; - } - } - - ulong x_1 = x[xOff + 1]; - ulong zz_2 = zz[zzOff + 2]; - - { - zz_1 += x_1 * x_0; - w = (uint)zz_1; - zz[zzOff + 1] = (w << 1) | c; - c = w >> 31; - zz_2 += zz_1 >> 32; - } - - ulong x_2 = x[xOff + 2]; - ulong zz_3 = zz[zzOff + 3]; - ulong zz_4 = zz[zzOff + 4]; - { - zz_2 += x_2 * x_0; - w = (uint)zz_2; - zz[zzOff + 2] = (w << 1) | c; - c = w >> 31; - zz_3 += (zz_2 >> 32) + x_2 * x_1; - zz_4 += zz_3 >> 32; - zz_3 &= M; - } - - ulong x_3 = x[xOff + 3]; - ulong zz_5 = zz[zzOff + 5]; - ulong zz_6 = zz[zzOff + 6]; - { - zz_3 += x_3 * x_0; - w = (uint)zz_3; - zz[zzOff + 3] = (w << 1) | c; - c = w >> 31; - zz_4 += (zz_3 >> 32) + x_3 * x_1; - zz_5 += (zz_4 >> 32) + x_3 * x_2; - zz_4 &= M; - zz_6 += zz_5 >> 32; - zz_5 &= M; - } - - ulong x_4 = x[xOff + 4]; - ulong zz_7 = zz[zzOff + 7]; - ulong zz_8 = zz[zzOff + 8]; - { - zz_4 += x_4 * x_0; - w = (uint)zz_4; - zz[zzOff + 4] = (w << 1) | c; - c = w >> 31; - zz_5 += (zz_4 >> 32) + x_4 * x_1; - zz_6 += (zz_5 >> 32) + x_4 * x_2; - zz_5 &= M; - zz_7 += (zz_6 >> 32) + x_4 * x_3; - zz_6 &= M; - zz_8 += zz_7 >> 32; - zz_7 &= M; - } - - ulong x_5 = x[xOff + 5]; - ulong zz_9 = zz[zzOff + 9]; - ulong zz_10 = zz[zzOff + 10]; - { - zz_5 += x_5 * x_0; - w = (uint)zz_5; - zz[zzOff + 5] = (w << 1) | c; - c = w >> 31; - zz_6 += (zz_5 >> 32) + x_5 * x_1; - zz_7 += (zz_6 >> 32) + x_5 * x_2; - zz_6 &= M; - zz_8 += (zz_7 >> 32) + x_5 * x_3; - zz_7 &= M; - zz_9 += (zz_8 >> 32) + x_5 * x_4; - zz_8 &= M; - zz_10 += zz_9 >> 32; - zz_9 &= M; - } - - ulong x_6 = x[xOff + 6]; - ulong zz_11 = zz[zzOff + 11]; - ulong zz_12 = zz[zzOff + 12]; - { - zz_6 += x_6 * x_0; - w = (uint)zz_6; - zz[zzOff + 6] = (w << 1) | c; - c = w >> 31; - zz_7 += (zz_6 >> 32) + x_6 * x_1; - zz_8 += (zz_7 >> 32) + x_6 * x_2; - zz_9 += (zz_8 >> 32) + x_6 * x_3; - zz_10 += (zz_9 >> 32) + x_6 * x_4; - zz_11 += (zz_10 >> 32) + x_6 * x_5; - zz_12 += zz_11 >> 32; - } - - w = (uint)zz_7; - zz[zzOff + 7] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_8; - zz[zzOff + 8] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_9; - zz[zzOff + 9] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_10; - zz[zzOff + 10] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_11; - zz[zzOff + 11] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_12; - zz[zzOff + 12] = (w << 1) | c; - c = w >> 31; - w = zz[zzOff + 13] + (uint)(zz_12 >> 32); - zz[zzOff + 13] = (w << 1) | c; - } - - public static int Sub(uint[] x, uint[] y, uint[] z) - { - long c = 0; - c += (long)x[0] - y[0]; - z[0] = (uint)c; - c >>= 32; - c += (long)x[1] - y[1]; - z[1] = (uint)c; - c >>= 32; - c += (long)x[2] - y[2]; - z[2] = (uint)c; - c >>= 32; - c += (long)x[3] - y[3]; - z[3] = (uint)c; - c >>= 32; - c += (long)x[4] - y[4]; - z[4] = (uint)c; - c >>= 32; - c += (long)x[5] - y[5]; - z[5] = (uint)c; - c >>= 32; - c += (long)x[6] - y[6]; - z[6] = (uint)c; - c >>= 32; - return (int)c; - } - - public static int Sub(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff) - { - long c = 0; - c += (long)x[xOff + 0] - y[yOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += (long)x[xOff + 1] - y[yOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += (long)x[xOff + 2] - y[yOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += (long)x[xOff + 3] - y[yOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - c += (long)x[xOff + 4] - y[yOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - c += (long)x[xOff + 5] - y[yOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - c += (long)x[xOff + 6] - y[yOff + 6]; - z[zOff + 6] = (uint)c; - c >>= 32; - return (int)c; - } - - public static int SubBothFrom(uint[] x, uint[] y, uint[] z) - { - long c = 0; - c += (long)z[0] - x[0] - y[0]; - z[0] = (uint)c; - c >>= 32; - c += (long)z[1] - x[1] - y[1]; - z[1] = (uint)c; - c >>= 32; - c += (long)z[2] - x[2] - y[2]; - z[2] = (uint)c; - c >>= 32; - c += (long)z[3] - x[3] - y[3]; - z[3] = (uint)c; - c >>= 32; - c += (long)z[4] - x[4] - y[4]; - z[4] = (uint)c; - c >>= 32; - c += (long)z[5] - x[5] - y[5]; - z[5] = (uint)c; - c >>= 32; - c += (long)z[6] - x[6] - y[6]; - z[6] = (uint)c; - c >>= 32; - return (int)c; - } - - public static int SubFrom(uint[] x, uint[] z) - { - long c = 0; - c += (long)z[0] - x[0]; - z[0] = (uint)c; - c >>= 32; - c += (long)z[1] - x[1]; - z[1] = (uint)c; - c >>= 32; - c += (long)z[2] - x[2]; - z[2] = (uint)c; - c >>= 32; - c += (long)z[3] - x[3]; - z[3] = (uint)c; - c >>= 32; - c += (long)z[4] - x[4]; - z[4] = (uint)c; - c >>= 32; - c += (long)z[5] - x[5]; - z[5] = (uint)c; - c >>= 32; - c += (long)z[6] - x[6]; - z[6] = (uint)c; - c >>= 32; - return (int)c; - } - - public static int SubFrom(uint[] x, int xOff, uint[] z, int zOff) - { - long c = 0; - c += (long)z[zOff + 0] - x[xOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += (long)z[zOff + 1] - x[xOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += (long)z[zOff + 2] - x[xOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += (long)z[zOff + 3] - x[xOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - c += (long)z[zOff + 4] - x[xOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - c += (long)z[zOff + 5] - x[xOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - c += (long)z[zOff + 6] - x[xOff + 6]; - z[zOff + 6] = (uint)c; - c >>= 32; - return (int)c; - } - - public static BigInteger ToBigInteger(uint[] x) - { - byte[] bs = new byte[28]; - for (int i = 0; i < 7; ++i) - { - uint x_i = x[i]; - if (x_i != 0) - { - Pack.UInt32_To_BE(x_i, bs, (6 - i) << 2); - } - } - return new BigInteger(1, bs); - } - - public static void Zero(uint[] z) - { - z[0] = 0; - z[1] = 0; - z[2] = 0; - z[3] = 0; - z[4] = 0; - z[5] = 0; - z[6] = 0; - } - } -} diff --git a/crypto/src/math/ec/custom/sec/Nat256.cs b/crypto/src/math/ec/custom/sec/Nat256.cs deleted file mode 100644 index bd2d6da47..000000000 --- a/crypto/src/math/ec/custom/sec/Nat256.cs +++ /dev/null @@ -1,1300 +0,0 @@ -using System; -using System.Diagnostics; - -using Org.BouncyCastle.Crypto.Utilities; - -namespace Org.BouncyCastle.Math.EC.Custom.Sec -{ - internal abstract class Nat256 - { - private const ulong M = 0xFFFFFFFFUL; - - public static uint Add(uint[] x, uint[] y, uint[] z) - { - ulong c = 0; - c += (ulong)x[0] + y[0]; - z[0] = (uint)c; - c >>= 32; - c += (ulong)x[1] + y[1]; - z[1] = (uint)c; - c >>= 32; - c += (ulong)x[2] + y[2]; - z[2] = (uint)c; - c >>= 32; - c += (ulong)x[3] + y[3]; - z[3] = (uint)c; - c >>= 32; - c += (ulong)x[4] + y[4]; - z[4] = (uint)c; - c >>= 32; - c += (ulong)x[5] + y[5]; - z[5] = (uint)c; - c >>= 32; - c += (ulong)x[6] + y[6]; - z[6] = (uint)c; - c >>= 32; - c += (ulong)x[7] + y[7]; - z[7] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint Add(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff) - { - ulong c = 0; - c += (ulong)x[xOff + 0] + y[yOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 1] + y[yOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 2] + y[yOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 3] + y[yOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 4] + y[yOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 5] + y[yOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 6] + y[yOff + 6]; - z[zOff + 6] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 7] + y[yOff + 7]; - z[zOff + 7] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint AddBothTo(uint[] x, uint[] y, uint[] z) - { - ulong c = 0; - c += (ulong)x[0] + y[0] + z[0]; - z[0] = (uint)c; - c >>= 32; - c += (ulong)x[1] + y[1] + z[1]; - z[1] = (uint)c; - c >>= 32; - c += (ulong)x[2] + y[2] + z[2]; - z[2] = (uint)c; - c >>= 32; - c += (ulong)x[3] + y[3] + z[3]; - z[3] = (uint)c; - c >>= 32; - c += (ulong)x[4] + y[4] + z[4]; - z[4] = (uint)c; - c >>= 32; - c += (ulong)x[5] + y[5] + z[5]; - z[5] = (uint)c; - c >>= 32; - c += (ulong)x[6] + y[6] + z[6]; - z[6] = (uint)c; - c >>= 32; - c += (ulong)x[7] + y[7] + z[7]; - z[7] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint AddBothTo(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff) - { - ulong c = 0; - c += (ulong)x[xOff + 0] + y[yOff + 0] + z[zOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 1] + y[yOff + 1] + z[zOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 2] + y[yOff + 2] + z[zOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 3] + y[yOff + 3] + z[zOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 4] + y[yOff + 4] + z[zOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 5] + y[yOff + 5] + z[zOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 6] + y[yOff + 6] + z[zOff + 6]; - z[zOff + 6] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 7] + y[yOff + 7] + z[zOff + 7]; - z[zOff + 7] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint AddTo(uint[] x, uint[] z) - { - ulong c = 0; - c += (ulong)x[0] + z[0]; - z[0] = (uint)c; - c >>= 32; - c += (ulong)x[1] + z[1]; - z[1] = (uint)c; - c >>= 32; - c += (ulong)x[2] + z[2]; - z[2] = (uint)c; - c >>= 32; - c += (ulong)x[3] + z[3]; - z[3] = (uint)c; - c >>= 32; - c += (ulong)x[4] + z[4]; - z[4] = (uint)c; - c >>= 32; - c += (ulong)x[5] + z[5]; - z[5] = (uint)c; - c >>= 32; - c += (ulong)x[6] + z[6]; - z[6] = (uint)c; - c >>= 32; - c += (ulong)x[7] + z[7]; - z[7] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint AddTo(uint[] x, int xOff, uint[] z, int zOff, uint cIn) - { - ulong c = cIn; - c += (ulong)x[xOff + 0] + z[zOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 1] + z[zOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 2] + z[zOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 3] + z[zOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 4] + z[zOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 5] + z[zOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 6] + z[zOff + 6]; - z[zOff + 6] = (uint)c; - c >>= 32; - c += (ulong)x[xOff + 7] + z[zOff + 7]; - z[zOff + 7] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint AddToEachOther(uint[] u, int uOff, uint[] v, int vOff) - { - ulong c = 0; - c += (ulong)u[uOff + 0] + v[vOff + 0]; - u[uOff + 0] = (uint)c; - v[vOff + 0] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 1] + v[vOff + 1]; - u[uOff + 1] = (uint)c; - v[vOff + 1] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 2] + v[vOff + 2]; - u[uOff + 2] = (uint)c; - v[vOff + 2] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 3] + v[vOff + 3]; - u[uOff + 3] = (uint)c; - v[vOff + 3] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 4] + v[vOff + 4]; - u[uOff + 4] = (uint)c; - v[vOff + 4] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 5] + v[vOff + 5]; - u[uOff + 5] = (uint)c; - v[vOff + 5] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 6] + v[vOff + 6]; - u[uOff + 6] = (uint)c; - v[vOff + 6] = (uint)c; - c >>= 32; - c += (ulong)u[uOff + 7] + v[vOff + 7]; - u[uOff + 7] = (uint)c; - v[vOff + 7] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static void Copy(uint[] x, uint[] z) - { - z[0] = x[0]; - z[1] = x[1]; - z[2] = x[2]; - z[3] = x[3]; - z[4] = x[4]; - z[5] = x[5]; - z[6] = x[6]; - z[7] = x[7]; - } - - public static uint[] Create() - { - return new uint[8]; - } - - public static uint[] CreateExt() - { - return new uint[16]; - } - - public static bool Diff(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff) - { - bool pos = Gte(x, xOff, y, yOff); - if (pos) - { - Sub(x, xOff, y, yOff, z, zOff); - } - else - { - Sub(y, yOff, x, xOff, z, zOff); - } - return pos; - } - - public static bool Eq(uint[] x, uint[] y) - { - for (int i = 7; i >= 0; --i) - { - if (x[i] != y[i]) - return false; - } - return true; - } - - public static uint[] FromBigInteger(BigInteger x) - { - if (x.SignValue < 0 || x.BitLength > 256) - throw new ArgumentException(); - - uint[] z = Create(); - int i = 0; - while (x.SignValue != 0) - { - z[i++] = (uint)x.IntValue; - x = x.ShiftRight(32); - } - return z; - } - - public static uint GetBit(uint[] x, int bit) - { - if (bit == 0) - { - return x[0] & 1; - } - if ((bit & 255) != bit) - { - return 0; - } - int w = bit >> 5; - int b = bit & 31; - return (x[w] >> b) & 1; - } - - public static bool Gte(uint[] x, uint[] y) - { - for (int i = 7; i >= 0; --i) - { - uint x_i = x[i], y_i = y[i]; - if (x_i < y_i) - return false; - if (x_i > y_i) - return true; - } - return true; - } - - public static bool Gte(uint[] x, int xOff, uint[] y, int yOff) - { - for (int i = 7; i >= 0; --i) - { - uint x_i = x[xOff + i], y_i = y[yOff + i]; - if (x_i < y_i) - return false; - if (x_i > y_i) - return true; - } - return true; - } - - public static bool IsOne(uint[] x) - { - if (x[0] != 1) - { - return false; - } - for (int i = 1; i < 8; ++i) - { - if (x[i] != 0) - { - return false; - } - } - return true; - } - - public static bool IsZero(uint[] x) - { - for (int i = 0; i < 8; ++i) - { - if (x[i] != 0) - { - return false; - } - } - return true; - } - - public static void Mul(uint[] x, uint[] y, uint[] zz) - { - ulong y_0 = y[0]; - ulong y_1 = y[1]; - ulong y_2 = y[2]; - ulong y_3 = y[3]; - ulong y_4 = y[4]; - ulong y_5 = y[5]; - ulong y_6 = y[6]; - ulong y_7 = y[7]; - - { - ulong c = 0, x_0 = x[0]; - c += x_0 * y_0; - zz[0] = (uint)c; - c >>= 32; - c += x_0 * y_1; - zz[1] = (uint)c; - c >>= 32; - c += x_0 * y_2; - zz[2] = (uint)c; - c >>= 32; - c += x_0 * y_3; - zz[3] = (uint)c; - c >>= 32; - c += x_0 * y_4; - zz[4] = (uint)c; - c >>= 32; - c += x_0 * y_5; - zz[5] = (uint)c; - c >>= 32; - c += x_0 * y_6; - zz[6] = (uint)c; - c >>= 32; - c += x_0 * y_7; - zz[7] = (uint)c; - c >>= 32; - zz[8] = (uint)c; - } - - for (int i = 1; i < 8; ++i) - { - ulong c = 0, x_i = x[i]; - c += x_i * y_0 + zz[i + 0]; - zz[i + 0] = (uint)c; - c >>= 32; - c += x_i * y_1 + zz[i + 1]; - zz[i + 1] = (uint)c; - c >>= 32; - c += x_i * y_2 + zz[i + 2]; - zz[i + 2] = (uint)c; - c >>= 32; - c += x_i * y_3 + zz[i + 3]; - zz[i + 3] = (uint)c; - c >>= 32; - c += x_i * y_4 + zz[i + 4]; - zz[i + 4] = (uint)c; - c >>= 32; - c += x_i * y_5 + zz[i + 5]; - zz[i + 5] = (uint)c; - c >>= 32; - c += x_i * y_6 + zz[i + 6]; - zz[i + 6] = (uint)c; - c >>= 32; - c += x_i * y_7 + zz[i + 7]; - zz[i + 7] = (uint)c; - c >>= 32; - zz[i + 8] = (uint)c; - } - } - - public static void Mul(uint[] x, int xOff, uint[] y, int yOff, uint[] zz, int zzOff) - { - ulong y_0 = y[yOff + 0]; - ulong y_1 = y[yOff + 1]; - ulong y_2 = y[yOff + 2]; - ulong y_3 = y[yOff + 3]; - ulong y_4 = y[yOff + 4]; - ulong y_5 = y[yOff + 5]; - ulong y_6 = y[yOff + 6]; - ulong y_7 = y[yOff + 7]; - - { - ulong c = 0, x_0 = x[xOff + 0]; - c += x_0 * y_0; - zz[zzOff + 0] = (uint)c; - c >>= 32; - c += x_0 * y_1; - zz[zzOff + 1] = (uint)c; - c >>= 32; - c += x_0 * y_2; - zz[zzOff + 2] = (uint)c; - c >>= 32; - c += x_0 * y_3; - zz[zzOff + 3] = (uint)c; - c >>= 32; - c += x_0 * y_4; - zz[zzOff + 4] = (uint)c; - c >>= 32; - c += x_0 * y_5; - zz[zzOff + 5] = (uint)c; - c >>= 32; - c += x_0 * y_6; - zz[zzOff + 6] = (uint)c; - c >>= 32; - c += x_0 * y_7; - zz[zzOff + 7] = (uint)c; - c >>= 32; - zz[zzOff + 8] = (uint)c; - } - - for (int i = 1; i < 8; ++i) - { - ++zzOff; - ulong c = 0, x_i = x[xOff + i]; - c += x_i * y_0 + zz[zzOff + 0]; - zz[zzOff + 0] = (uint)c; - c >>= 32; - c += x_i * y_1 + zz[zzOff + 1]; - zz[zzOff + 1] = (uint)c; - c >>= 32; - c += x_i * y_2 + zz[zzOff + 2]; - zz[zzOff + 2] = (uint)c; - c >>= 32; - c += x_i * y_3 + zz[zzOff + 3]; - zz[zzOff + 3] = (uint)c; - c >>= 32; - c += x_i * y_4 + zz[zzOff + 4]; - zz[zzOff + 4] = (uint)c; - c >>= 32; - c += x_i * y_5 + zz[zzOff + 5]; - zz[zzOff + 5] = (uint)c; - c >>= 32; - c += x_i * y_6 + zz[zzOff + 6]; - zz[zzOff + 6] = (uint)c; - c >>= 32; - c += x_i * y_7 + zz[zzOff + 7]; - zz[zzOff + 7] = (uint)c; - c >>= 32; - zz[zzOff + 8] = (uint)c; - } - } - - public static uint MulAddTo(uint[] x, uint[] y, uint[] zz) - { - ulong y_0 = y[0]; - ulong y_1 = y[1]; - ulong y_2 = y[2]; - ulong y_3 = y[3]; - ulong y_4 = y[4]; - ulong y_5 = y[5]; - ulong y_6 = y[6]; - ulong y_7 = y[7]; - - ulong zc = 0; - for (int i = 0; i < 8; ++i) - { - ulong c = 0, x_i = x[i]; - c += x_i * y_0 + zz[i + 0]; - zz[i + 0] = (uint)c; - c >>= 32; - c += x_i * y_1 + zz[i + 1]; - zz[i + 1] = (uint)c; - c >>= 32; - c += x_i * y_2 + zz[i + 2]; - zz[i + 2] = (uint)c; - c >>= 32; - c += x_i * y_3 + zz[i + 3]; - zz[i + 3] = (uint)c; - c >>= 32; - c += x_i * y_4 + zz[i + 4]; - zz[i + 4] = (uint)c; - c >>= 32; - c += x_i * y_5 + zz[i + 5]; - zz[i + 5] = (uint)c; - c >>= 32; - c += x_i * y_6 + zz[i + 6]; - zz[i + 6] = (uint)c; - c >>= 32; - c += x_i * y_7 + zz[i + 7]; - zz[i + 7] = (uint)c; - c >>= 32; - c += zc + zz[i + 8]; - zz[i + 8] = (uint)c; - zc = c >> 32; - } - return (uint)zc; - } - - public static uint MulAddTo(uint[] x, int xOff, uint[] y, int yOff, uint[] zz, int zzOff) - { - ulong y_0 = y[yOff + 0]; - ulong y_1 = y[yOff + 1]; - ulong y_2 = y[yOff + 2]; - ulong y_3 = y[yOff + 3]; - ulong y_4 = y[yOff + 4]; - ulong y_5 = y[yOff + 5]; - ulong y_6 = y[yOff + 6]; - ulong y_7 = y[yOff + 7]; - - ulong zc = 0; - for (int i = 0; i < 8; ++i) - { - ulong c = 0, x_i = x[xOff + i]; - c += x_i * y_0 + zz[zzOff + 0]; - zz[zzOff + 0] = (uint)c; - c >>= 32; - c += x_i * y_1 + zz[zzOff + 1]; - zz[zzOff + 1] = (uint)c; - c >>= 32; - c += x_i * y_2 + zz[zzOff + 2]; - zz[zzOff + 2] = (uint)c; - c >>= 32; - c += x_i * y_3 + zz[zzOff + 3]; - zz[zzOff + 3] = (uint)c; - c >>= 32; - c += x_i * y_4 + zz[zzOff + 4]; - zz[zzOff + 4] = (uint)c; - c >>= 32; - c += x_i * y_5 + zz[zzOff + 5]; - zz[zzOff + 5] = (uint)c; - c >>= 32; - c += x_i * y_6 + zz[zzOff + 6]; - zz[zzOff + 6] = (uint)c; - c >>= 32; - c += x_i * y_7 + zz[zzOff + 7]; - zz[zzOff + 7] = (uint)c; - c >>= 32; - c += zc + zz[zzOff + 8]; - zz[zzOff + 8] = (uint)c; - zc = c >> 32; - ++zzOff; - } - return (uint)zc; - } - - public static ulong Mul33Add(uint w, uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff) - { - Debug.Assert(w >> 31 == 0); - - ulong c = 0, wVal = w; - ulong x0 = x[xOff + 0]; - c += wVal * x0 + y[yOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - ulong x1 = x[xOff + 1]; - c += wVal * x1 + x0 + y[yOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - ulong x2 = x[xOff + 2]; - c += wVal * x2 + x1 + y[yOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - ulong x3 = x[xOff + 3]; - c += wVal * x3 + x2 + y[yOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - ulong x4 = x[xOff + 4]; - c += wVal * x4 + x3 + y[yOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - ulong x5 = x[xOff + 5]; - c += wVal * x5 + x4 + y[yOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - ulong x6 = x[xOff + 6]; - c += wVal * x6 + x5 + y[yOff + 6]; - z[zOff + 6] = (uint)c; - c >>= 32; - ulong x7 = x[xOff + 7]; - c += wVal * x7 + x6 + y[yOff + 7]; - z[zOff + 7] = (uint)c; - c >>= 32; - c += x7; - return c; - } - - public static uint MulByWord(uint x, uint[] z) - { - ulong c = 0, xVal = x; - c += xVal * (ulong)z[0]; - z[0] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[1]; - z[1] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[2]; - z[2] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[3]; - z[3] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[4]; - z[4] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[5]; - z[5] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[6]; - z[6] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[7]; - z[7] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint MulByWordAddTo(uint x, uint[] y, uint[] z) - { - ulong c = 0, xVal = x; - c += xVal * (ulong)z[0] + y[0]; - z[0] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[1] + y[1]; - z[1] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[2] + y[2]; - z[2] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[3] + y[3]; - z[3] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[4] + y[4]; - z[4] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[5] + y[5]; - z[5] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[6] + y[6]; - z[6] = (uint)c; - c >>= 32; - c += xVal * (ulong)z[7] + y[7]; - z[7] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint MulWordAddTo(uint x, uint[] y, int yOff, uint[] z, int zOff) - { - ulong c = 0, xVal = x; - c += xVal * y[yOff + 0] + z[zOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += xVal * y[yOff + 1] + z[zOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += xVal * y[yOff + 2] + z[zOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += xVal * y[yOff + 3] + z[zOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - c += xVal * y[yOff + 4] + z[zOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - c += xVal * y[yOff + 5] + z[zOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - c += xVal * y[yOff + 6] + z[zOff + 6]; - z[zOff + 6] = (uint)c; - c >>= 32; - c += xVal * y[yOff + 7] + z[zOff + 7]; - z[zOff + 7] = (uint)c; - c >>= 32; - return (uint)c; - } - - public static uint Mul33DWordAdd(uint x, ulong y, uint[] z, int zOff) - { - Debug.Assert(x >> 31 == 0); - Debug.Assert(zOff <= 4); - ulong c = 0, xVal = x; - ulong y00 = y & M; - c += xVal * y00 + z[zOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - ulong y01 = y >> 32; - c += xVal * y01 + y00 + z[zOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += y01 + z[zOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += z[zOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - return c == 0 ? 0 : Nat.IncAt(8, z, zOff, 4); - } - - public static uint Mul33WordAdd(uint x, uint y, uint[] z, int zOff) - { - Debug.Assert(x >> 31 == 0); - Debug.Assert(zOff <= 5); - ulong c = 0, yVal = y; - c += yVal * x + z[zOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += yVal + z[zOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += z[zOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - return c == 0 ? 0 : Nat.IncAt(8, z, zOff, 3); - } - - public static uint MulWordDwordAdd(uint x, ulong y, uint[] z, int zOff) - { - Debug.Assert(zOff <= 5); - ulong c = 0, xVal = x; - c += xVal * y + z[zOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += xVal * (y >> 32) + z[zOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += z[zOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - return c == 0 ? 0 : Nat.IncAt(8, z, zOff, 3); - } - - public static uint MulWord(uint x, uint[] y, uint[] z, int zOff) - { - ulong c = 0, xVal = x; - int i = 0; - do - { - c += xVal * y[i]; - z[zOff + i] = (uint)c; - c >>= 32; - } - while (++i < 8); - return (uint)c; - } - - public static void Square(uint[] x, uint[] zz) - { - ulong x_0 = x[0]; - ulong zz_1; - - uint c = 0, w; - { - int i = 7, j = 16; - do - { - ulong xVal = x[i--]; - ulong p = xVal * xVal; - zz[--j] = (c << 31) | (uint)(p >> 33); - zz[--j] = (uint)(p >> 1); - c = (uint)p; - } - while (i > 0); - - { - ulong p = x_0 * x_0; - zz_1 = (ulong)(c << 31) | (p >> 33); - zz[0] = (uint)p; - c = (uint)(p >> 32) & 1; - } - } - - ulong x_1 = x[1]; - ulong zz_2 = zz[2]; - - { - zz_1 += x_1 * x_0; - w = (uint)zz_1; - zz[1] = (w << 1) | c; - c = w >> 31; - zz_2 += zz_1 >> 32; - } - - ulong x_2 = x[2]; - ulong zz_3 = zz[3]; - ulong zz_4 = zz[4]; - { - zz_2 += x_2 * x_0; - w = (uint)zz_2; - zz[2] = (w << 1) | c; - c = w >> 31; - zz_3 += (zz_2 >> 32) + x_2 * x_1; - zz_4 += zz_3 >> 32; - zz_3 &= M; - } - - ulong x_3 = x[3]; - ulong zz_5 = zz[5]; - ulong zz_6 = zz[6]; - { - zz_3 += x_3 * x_0; - w = (uint)zz_3; - zz[3] = (w << 1) | c; - c = w >> 31; - zz_4 += (zz_3 >> 32) + x_3 * x_1; - zz_5 += (zz_4 >> 32) + x_3 * x_2; - zz_4 &= M; - zz_6 += zz_5 >> 32; - zz_5 &= M; - } - - ulong x_4 = x[4]; - ulong zz_7 = zz[7]; - ulong zz_8 = zz[8]; - { - zz_4 += x_4 * x_0; - w = (uint)zz_4; - zz[4] = (w << 1) | c; - c = w >> 31; - zz_5 += (zz_4 >> 32) + x_4 * x_1; - zz_6 += (zz_5 >> 32) + x_4 * x_2; - zz_5 &= M; - zz_7 += (zz_6 >> 32) + x_4 * x_3; - zz_6 &= M; - zz_8 += zz_7 >> 32; - zz_7 &= M; - } - - ulong x_5 = x[5]; - ulong zz_9 = zz[9]; - ulong zz_10 = zz[10]; - { - zz_5 += x_5 * x_0; - w = (uint)zz_5; - zz[5] = (w << 1) | c; - c = w >> 31; - zz_6 += (zz_5 >> 32) + x_5 * x_1; - zz_7 += (zz_6 >> 32) + x_5 * x_2; - zz_6 &= M; - zz_8 += (zz_7 >> 32) + x_5 * x_3; - zz_7 &= M; - zz_9 += (zz_8 >> 32) + x_5 * x_4; - zz_8 &= M; - zz_10 += zz_9 >> 32; - zz_9 &= M; - } - - ulong x_6 = x[6]; - ulong zz_11 = zz[11]; - ulong zz_12 = zz[12]; - { - zz_6 += x_6 * x_0; - w = (uint)zz_6; - zz[6] = (w << 1) | c; - c = w >> 31; - zz_7 += (zz_6 >> 32) + x_6 * x_1; - zz_8 += (zz_7 >> 32) + x_6 * x_2; - zz_7 &= M; - zz_9 += (zz_8 >> 32) + x_6 * x_3; - zz_8 &= M; - zz_10 += (zz_9 >> 32) + x_6 * x_4; - zz_9 &= M; - zz_11 += (zz_10 >> 32) + x_6 * x_5; - zz_10 &= M; - zz_12 += zz_11 >> 32; - zz_11 &= M; - } - - ulong x_7 = x[7]; - ulong zz_13 = zz[13]; - ulong zz_14 = zz[14]; - { - zz_7 += x_7 * x_0; - w = (uint)zz_7; - zz[7] = (w << 1) | c; - c = w >> 31; - zz_8 += (zz_7 >> 32) + x_7 * x_1; - zz_9 += (zz_8 >> 32) + x_7 * x_2; - zz_10 += (zz_9 >> 32) + x_7 * x_3; - zz_11 += (zz_10 >> 32) + x_7 * x_4; - zz_12 += (zz_11 >> 32) + x_7 * x_5; - zz_13 += (zz_12 >> 32) + x_7 * x_6; - zz_14 += zz_13 >> 32; - } - - w = (uint)zz_8; - zz[8] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_9; - zz[9] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_10; - zz[10] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_11; - zz[11] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_12; - zz[12] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_13; - zz[13] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_14; - zz[14] = (w << 1) | c; - c = w >> 31; - w = zz[15] + (uint)(zz_14 >> 32); - zz[15] = (w << 1) | c; - } - - public static void Square(uint[] x, int xOff, uint[] zz, int zzOff) - { - ulong x_0 = x[xOff + 0]; - ulong zz_1; - - uint c = 0, w; - { - int i = 7, j = 16; - do - { - ulong xVal = x[xOff + i--]; - ulong p = xVal * xVal; - zz[zzOff + --j] = (c << 31) | (uint)(p >> 33); - zz[zzOff + --j] = (uint)(p >> 1); - c = (uint)p; - } - while (i > 0); - - { - ulong p = x_0 * x_0; - zz_1 = (ulong)(c << 31) | (p >> 33); - zz[zzOff + 0] = (uint)p; - c = (uint)(p >> 32) & 1; - } - } - - ulong x_1 = x[xOff + 1]; - ulong zz_2 = zz[zzOff + 2]; - - { - zz_1 += x_1 * x_0; - w = (uint)zz_1; - zz[zzOff + 1] = (w << 1) | c; - c = w >> 31; - zz_2 += zz_1 >> 32; - } - - ulong x_2 = x[xOff + 2]; - ulong zz_3 = zz[zzOff + 3]; - ulong zz_4 = zz[zzOff + 4]; - { - zz_2 += x_2 * x_0; - w = (uint)zz_2; - zz[zzOff + 2] = (w << 1) | c; - c = w >> 31; - zz_3 += (zz_2 >> 32) + x_2 * x_1; - zz_4 += zz_3 >> 32; - zz_3 &= M; - } - - ulong x_3 = x[xOff + 3]; - ulong zz_5 = zz[zzOff + 5]; - ulong zz_6 = zz[zzOff + 6]; - { - zz_3 += x_3 * x_0; - w = (uint)zz_3; - zz[zzOff + 3] = (w << 1) | c; - c = w >> 31; - zz_4 += (zz_3 >> 32) + x_3 * x_1; - zz_5 += (zz_4 >> 32) + x_3 * x_2; - zz_4 &= M; - zz_6 += zz_5 >> 32; - zz_5 &= M; - } - - ulong x_4 = x[xOff + 4]; - ulong zz_7 = zz[zzOff + 7]; - ulong zz_8 = zz[zzOff + 8]; - { - zz_4 += x_4 * x_0; - w = (uint)zz_4; - zz[zzOff + 4] = (w << 1) | c; - c = w >> 31; - zz_5 += (zz_4 >> 32) + x_4 * x_1; - zz_6 += (zz_5 >> 32) + x_4 * x_2; - zz_5 &= M; - zz_7 += (zz_6 >> 32) + x_4 * x_3; - zz_6 &= M; - zz_8 += zz_7 >> 32; - zz_7 &= M; - } - - ulong x_5 = x[xOff + 5]; - ulong zz_9 = zz[zzOff + 9]; - ulong zz_10 = zz[zzOff + 10]; - { - zz_5 += x_5 * x_0; - w = (uint)zz_5; - zz[zzOff + 5] = (w << 1) | c; - c = w >> 31; - zz_6 += (zz_5 >> 32) + x_5 * x_1; - zz_7 += (zz_6 >> 32) + x_5 * x_2; - zz_6 &= M; - zz_8 += (zz_7 >> 32) + x_5 * x_3; - zz_7 &= M; - zz_9 += (zz_8 >> 32) + x_5 * x_4; - zz_8 &= M; - zz_10 += zz_9 >> 32; - zz_9 &= M; - } - - ulong x_6 = x[xOff + 6]; - ulong zz_11 = zz[zzOff + 11]; - ulong zz_12 = zz[zzOff + 12]; - { - zz_6 += x_6 * x_0; - w = (uint)zz_6; - zz[zzOff + 6] = (w << 1) | c; - c = w >> 31; - zz_7 += (zz_6 >> 32) + x_6 * x_1; - zz_8 += (zz_7 >> 32) + x_6 * x_2; - zz_7 &= M; - zz_9 += (zz_8 >> 32) + x_6 * x_3; - zz_8 &= M; - zz_10 += (zz_9 >> 32) + x_6 * x_4; - zz_9 &= M; - zz_11 += (zz_10 >> 32) + x_6 * x_5; - zz_10 &= M; - zz_12 += zz_11 >> 32; - zz_11 &= M; - } - - ulong x_7 = x[xOff + 7]; - ulong zz_13 = zz[zzOff + 13]; - ulong zz_14 = zz[zzOff + 14]; - { - zz_7 += x_7 * x_0; - w = (uint)zz_7; - zz[zzOff + 7] = (w << 1) | c; - c = w >> 31; - zz_8 += (zz_7 >> 32) + x_7 * x_1; - zz_9 += (zz_8 >> 32) + x_7 * x_2; - zz_10 += (zz_9 >> 32) + x_7 * x_3; - zz_11 += (zz_10 >> 32) + x_7 * x_4; - zz_12 += (zz_11 >> 32) + x_7 * x_5; - zz_13 += (zz_12 >> 32) + x_7 * x_6; - zz_14 += zz_13 >> 32; - } - - w = (uint)zz_8; - zz[zzOff + 8] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_9; - zz[zzOff + 9] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_10; - zz[zzOff + 10] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_11; - zz[zzOff + 11] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_12; - zz[zzOff + 12] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_13; - zz[zzOff + 13] = (w << 1) | c; - c = w >> 31; - w = (uint)zz_14; - zz[zzOff + 14] = (w << 1) | c; - c = w >> 31; - w = zz[zzOff + 15] + (uint)(zz_14 >> 32); - zz[zzOff + 15] = (w << 1) | c; - } - - public static int Sub(uint[] x, uint[] y, uint[] z) - { - long c = 0; - c += (long)x[0] - y[0]; - z[0] = (uint)c; - c >>= 32; - c += (long)x[1] - y[1]; - z[1] = (uint)c; - c >>= 32; - c += (long)x[2] - y[2]; - z[2] = (uint)c; - c >>= 32; - c += (long)x[3] - y[3]; - z[3] = (uint)c; - c >>= 32; - c += (long)x[4] - y[4]; - z[4] = (uint)c; - c >>= 32; - c += (long)x[5] - y[5]; - z[5] = (uint)c; - c >>= 32; - c += (long)x[6] - y[6]; - z[6] = (uint)c; - c >>= 32; - c += (long)x[7] - y[7]; - z[7] = (uint)c; - c >>= 32; - return (int)c; - } - - public static int Sub(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff) - { - long c = 0; - c += (long)x[xOff + 0] - y[yOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += (long)x[xOff + 1] - y[yOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += (long)x[xOff + 2] - y[yOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += (long)x[xOff + 3] - y[yOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - c += (long)x[xOff + 4] - y[yOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - c += (long)x[xOff + 5] - y[yOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - c += (long)x[xOff + 6] - y[yOff + 6]; - z[zOff + 6] = (uint)c; - c >>= 32; - c += (long)x[xOff + 7] - y[yOff + 7]; - z[zOff + 7] = (uint)c; - c >>= 32; - return (int)c; - } - - public static int SubBothFrom(uint[] x, uint[] y, uint[] z) - { - long c = 0; - c += (long)z[0] - x[0] - y[0]; - z[0] = (uint)c; - c >>= 32; - c += (long)z[1] - x[1] - y[1]; - z[1] = (uint)c; - c >>= 32; - c += (long)z[2] - x[2] - y[2]; - z[2] = (uint)c; - c >>= 32; - c += (long)z[3] - x[3] - y[3]; - z[3] = (uint)c; - c >>= 32; - c += (long)z[4] - x[4] - y[4]; - z[4] = (uint)c; - c >>= 32; - c += (long)z[5] - x[5] - y[5]; - z[5] = (uint)c; - c >>= 32; - c += (long)z[6] - x[6] - y[6]; - z[6] = (uint)c; - c >>= 32; - c += (long)z[7] - x[7] - y[7]; - z[7] = (uint)c; - c >>= 32; - return (int)c; - } - - public static int SubFrom(uint[] x, uint[] z) - { - long c = 0; - c += (long)z[0] - x[0]; - z[0] = (uint)c; - c >>= 32; - c += (long)z[1] - x[1]; - z[1] = (uint)c; - c >>= 32; - c += (long)z[2] - x[2]; - z[2] = (uint)c; - c >>= 32; - c += (long)z[3] - x[3]; - z[3] = (uint)c; - c >>= 32; - c += (long)z[4] - x[4]; - z[4] = (uint)c; - c >>= 32; - c += (long)z[5] - x[5]; - z[5] = (uint)c; - c >>= 32; - c += (long)z[6] - x[6]; - z[6] = (uint)c; - c >>= 32; - c += (long)z[7] - x[7]; - z[7] = (uint)c; - c >>= 32; - return (int)c; - } - - public static int SubFrom(uint[] x, int xOff, uint[] z, int zOff) - { - long c = 0; - c += (long)z[zOff + 0] - x[xOff + 0]; - z[zOff + 0] = (uint)c; - c >>= 32; - c += (long)z[zOff + 1] - x[xOff + 1]; - z[zOff + 1] = (uint)c; - c >>= 32; - c += (long)z[zOff + 2] - x[xOff + 2]; - z[zOff + 2] = (uint)c; - c >>= 32; - c += (long)z[zOff + 3] - x[xOff + 3]; - z[zOff + 3] = (uint)c; - c >>= 32; - c += (long)z[zOff + 4] - x[xOff + 4]; - z[zOff + 4] = (uint)c; - c >>= 32; - c += (long)z[zOff + 5] - x[xOff + 5]; - z[zOff + 5] = (uint)c; - c >>= 32; - c += (long)z[zOff + 6] - x[xOff + 6]; - z[zOff + 6] = (uint)c; - c >>= 32; - c += (long)z[zOff + 7] - x[xOff + 7]; - z[zOff + 7] = (uint)c; - c >>= 32; - return (int)c; - } - - public static BigInteger ToBigInteger(uint[] x) - { - byte[] bs = new byte[32]; - for (int i = 0; i < 8; ++i) - { - uint x_i = x[i]; - if (x_i != 0) - { - Pack.UInt32_To_BE(x_i, bs, (7 - i) << 2); - } - } - return new BigInteger(1, bs); - } - - public static void Zero(uint[] z) - { - z[0] = 0; - z[1] = 0; - z[2] = 0; - z[3] = 0; - z[4] = 0; - z[5] = 0; - z[6] = 0; - z[7] = 0; - } - } -} diff --git a/crypto/src/math/ec/custom/sec/Nat384.cs b/crypto/src/math/ec/custom/sec/Nat384.cs deleted file mode 100644 index dd93e68b6..000000000 --- a/crypto/src/math/ec/custom/sec/Nat384.cs +++ /dev/null @@ -1,46 +0,0 @@ -using System; -using System.Diagnostics; - -namespace Org.BouncyCastle.Math.EC.Custom.Sec -{ - internal abstract class Nat384 - { - public static void Mul(uint[] x, uint[] y, uint[] zz) - { - Nat192.Mul(x, y, zz); - Nat192.Mul(x, 6, y, 6, zz, 12); - - uint c18 = Nat192.AddToEachOther(zz, 6, zz, 12); - uint c12 = c18 + Nat192.AddTo(zz, 0, zz, 6, 0); - c18 += Nat192.AddTo(zz, 18, zz, 12, c12); - - uint[] dx = Nat192.Create(), dy = Nat192.Create(); - bool neg = Nat192.Diff(x, 6, x, 0, dx, 0) != Nat192.Diff(y, 6, y, 0, dy, 0); - - uint[] tt = Nat192.CreateExt(); - Nat192.Mul(dx, dy, tt); - - c18 += neg ? Nat.AddTo(12, tt, 0, zz, 6) : (uint)Nat.SubFrom(12, tt, 0, zz, 6); - Nat.AddWordAt(24, c18, zz, 18); - } - - public static void Square(uint[] x, uint[] zz) - { - Nat192.Square(x, zz); - Nat192.Square(x, 6, zz, 12); - - uint c18 = Nat192.AddToEachOther(zz, 6, zz, 12); - uint c12 = c18 + Nat192.AddTo(zz, 0, zz, 6, 0); - c18 += Nat192.AddTo(zz, 18, zz, 12, c12); - - uint[] dx = Nat192.Create(); - Nat192.Diff(x, 6, x, 0, dx, 0); - - uint[] m = Nat192.CreateExt(); - Nat192.Square(dx, m); - - c18 += (uint)Nat.SubFrom(12, m, 0, zz, 6); - Nat.AddWordAt(24, c18, zz, 18); - } - } -} diff --git a/crypto/src/math/ec/custom/sec/Nat512.cs b/crypto/src/math/ec/custom/sec/Nat512.cs deleted file mode 100644 index 46e10f995..000000000 --- a/crypto/src/math/ec/custom/sec/Nat512.cs +++ /dev/null @@ -1,46 +0,0 @@ -using System; -using System.Diagnostics; - -namespace Org.BouncyCastle.Math.EC.Custom.Sec -{ - internal abstract class Nat512 - { - public static void Mul(uint[] x, uint[] y, uint[] zz) - { - Nat256.Mul(x, y, zz); - Nat256.Mul(x, 8, y, 8, zz, 16); - - uint c24 = Nat256.AddToEachOther(zz, 8, zz, 16); - uint c16 = c24 + Nat256.AddTo(zz, 0, zz, 8, 0); - c24 += Nat256.AddTo(zz, 24, zz, 16, c16); - - uint[] dx = Nat256.Create(), dy = Nat256.Create(); - bool neg = Nat256.Diff(x, 8, x, 0, dx, 0) != Nat256.Diff(y, 8, y, 0, dy, 0); - - uint[] tt = Nat256.CreateExt(); - Nat256.Mul(dx, dy, tt); - - c24 += neg ? Nat.AddTo(16, tt, 0, zz, 8) : (uint)Nat.SubFrom(16, tt, 0, zz, 8); - Nat.AddWordAt(32, c24, zz, 24); - } - - public static void Square(uint[] x, uint[] zz) - { - Nat256.Square(x, zz); - Nat256.Square(x, 8, zz, 16); - - uint c24 = Nat256.AddToEachOther(zz, 8, zz, 16); - uint c16 = c24 + Nat256.AddTo(zz, 0, zz, 8, 0); - c24 += Nat256.AddTo(zz, 24, zz, 16, c16); - - uint[] dx = Nat256.Create(); - Nat256.Diff(x, 8, x, 0, dx, 0); - - uint[] m = Nat256.CreateExt(); - Nat256.Square(dx, m); - - c24 += (uint)Nat.SubFrom(16, m, 0, zz, 8); - Nat.AddWordAt(32, c24, zz, 24); - } - } -} diff --git a/crypto/src/math/ec/custom/sec/SecP192K1Field.cs b/crypto/src/math/ec/custom/sec/SecP192K1Field.cs index d5ca903d1..a00360360 100644 --- a/crypto/src/math/ec/custom/sec/SecP192K1Field.cs +++ b/crypto/src/math/ec/custom/sec/SecP192K1Field.cs @@ -1,6 +1,8 @@ using System; using System.Diagnostics; +using Org.BouncyCastle.Math.Raw; + namespace Org.BouncyCastle.Math.EC.Custom.Sec { internal class SecP192K1Field diff --git a/crypto/src/math/ec/custom/sec/SecP192K1FieldElement.cs b/crypto/src/math/ec/custom/sec/SecP192K1FieldElement.cs index 78886dd8c..dce377035 100644 --- a/crypto/src/math/ec/custom/sec/SecP192K1FieldElement.cs +++ b/crypto/src/math/ec/custom/sec/SecP192K1FieldElement.cs @@ -1,6 +1,7 @@ using System; using System.Diagnostics; +using Org.BouncyCastle.Math.Raw; using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Math.EC.Custom.Sec diff --git a/crypto/src/math/ec/custom/sec/SecP192K1Point.cs b/crypto/src/math/ec/custom/sec/SecP192K1Point.cs index 648aca502..58eb09102 100644 --- a/crypto/src/math/ec/custom/sec/SecP192K1Point.cs +++ b/crypto/src/math/ec/custom/sec/SecP192K1Point.cs @@ -1,5 +1,7 @@ using System; +using Org.BouncyCastle.Math.Raw; + namespace Org.BouncyCastle.Math.EC.Custom.Sec { internal class SecP192K1Point diff --git a/crypto/src/math/ec/custom/sec/SecP192R1Field.cs b/crypto/src/math/ec/custom/sec/SecP192R1Field.cs index 85e3a0394..096c2b51f 100644 --- a/crypto/src/math/ec/custom/sec/SecP192R1Field.cs +++ b/crypto/src/math/ec/custom/sec/SecP192R1Field.cs @@ -1,6 +1,8 @@ using System; using System.Diagnostics; +using Org.BouncyCastle.Math.Raw; + namespace Org.BouncyCastle.Math.EC.Custom.Sec { internal class SecP192R1Field diff --git a/crypto/src/math/ec/custom/sec/SecP192R1FieldElement.cs b/crypto/src/math/ec/custom/sec/SecP192R1FieldElement.cs index 020c5cdbb..45bcb00f0 100644 --- a/crypto/src/math/ec/custom/sec/SecP192R1FieldElement.cs +++ b/crypto/src/math/ec/custom/sec/SecP192R1FieldElement.cs @@ -1,5 +1,6 @@ using System; +using Org.BouncyCastle.Math.Raw; using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Math.EC.Custom.Sec diff --git a/crypto/src/math/ec/custom/sec/SecP192R1Point.cs b/crypto/src/math/ec/custom/sec/SecP192R1Point.cs index 797a8de35..3b53e341e 100644 --- a/crypto/src/math/ec/custom/sec/SecP192R1Point.cs +++ b/crypto/src/math/ec/custom/sec/SecP192R1Point.cs @@ -1,5 +1,7 @@ using System; +using Org.BouncyCastle.Math.Raw; + namespace Org.BouncyCastle.Math.EC.Custom.Sec { internal class SecP192R1Point diff --git a/crypto/src/math/ec/custom/sec/SecP224K1Field.cs b/crypto/src/math/ec/custom/sec/SecP224K1Field.cs index a55810c6d..98cf777a5 100644 --- a/crypto/src/math/ec/custom/sec/SecP224K1Field.cs +++ b/crypto/src/math/ec/custom/sec/SecP224K1Field.cs @@ -1,6 +1,8 @@ using System; using System.Diagnostics; +using Org.BouncyCastle.Math.Raw; + namespace Org.BouncyCastle.Math.EC.Custom.Sec { internal class SecP224K1Field diff --git a/crypto/src/math/ec/custom/sec/SecP224K1FieldElement.cs b/crypto/src/math/ec/custom/sec/SecP224K1FieldElement.cs index 72ff4b099..fec07436a 100644 --- a/crypto/src/math/ec/custom/sec/SecP224K1FieldElement.cs +++ b/crypto/src/math/ec/custom/sec/SecP224K1FieldElement.cs @@ -1,6 +1,7 @@ using System; using System.Diagnostics; +using Org.BouncyCastle.Math.Raw; using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Math.EC.Custom.Sec diff --git a/crypto/src/math/ec/custom/sec/SecP224K1Point.cs b/crypto/src/math/ec/custom/sec/SecP224K1Point.cs index 8cbd29699..98cb29274 100644 --- a/crypto/src/math/ec/custom/sec/SecP224K1Point.cs +++ b/crypto/src/math/ec/custom/sec/SecP224K1Point.cs @@ -1,5 +1,7 @@ using System; +using Org.BouncyCastle.Math.Raw; + namespace Org.BouncyCastle.Math.EC.Custom.Sec { internal class SecP224K1Point diff --git a/crypto/src/math/ec/custom/sec/SecP224R1Field.cs b/crypto/src/math/ec/custom/sec/SecP224R1Field.cs index 559593c66..4f5c3bbda 100644 --- a/crypto/src/math/ec/custom/sec/SecP224R1Field.cs +++ b/crypto/src/math/ec/custom/sec/SecP224R1Field.cs @@ -1,6 +1,8 @@ using System; using System.Diagnostics; +using Org.BouncyCastle.Math.Raw; + namespace Org.BouncyCastle.Math.EC.Custom.Sec { internal class SecP224R1Field diff --git a/crypto/src/math/ec/custom/sec/SecP224R1FieldElement.cs b/crypto/src/math/ec/custom/sec/SecP224R1FieldElement.cs index 06f47cded..2b9a06564 100644 --- a/crypto/src/math/ec/custom/sec/SecP224R1FieldElement.cs +++ b/crypto/src/math/ec/custom/sec/SecP224R1FieldElement.cs @@ -1,5 +1,6 @@ using System; +using Org.BouncyCastle.Math.Raw; using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Math.EC.Custom.Sec diff --git a/crypto/src/math/ec/custom/sec/SecP224R1Point.cs b/crypto/src/math/ec/custom/sec/SecP224R1Point.cs index c3f4efb59..73c4f1948 100644 --- a/crypto/src/math/ec/custom/sec/SecP224R1Point.cs +++ b/crypto/src/math/ec/custom/sec/SecP224R1Point.cs @@ -1,5 +1,7 @@ using System; +using Org.BouncyCastle.Math.Raw; + namespace Org.BouncyCastle.Math.EC.Custom.Sec { internal class SecP224R1Point diff --git a/crypto/src/math/ec/custom/sec/SecP256K1Field.cs b/crypto/src/math/ec/custom/sec/SecP256K1Field.cs index ba3a070a9..b0646e93f 100644 --- a/crypto/src/math/ec/custom/sec/SecP256K1Field.cs +++ b/crypto/src/math/ec/custom/sec/SecP256K1Field.cs @@ -1,6 +1,8 @@ using System; using System.Diagnostics; +using Org.BouncyCastle.Math.Raw; + namespace Org.BouncyCastle.Math.EC.Custom.Sec { internal class SecP256K1Field diff --git a/crypto/src/math/ec/custom/sec/SecP256K1FieldElement.cs b/crypto/src/math/ec/custom/sec/SecP256K1FieldElement.cs index d9a039a4f..473113d0f 100644 --- a/crypto/src/math/ec/custom/sec/SecP256K1FieldElement.cs +++ b/crypto/src/math/ec/custom/sec/SecP256K1FieldElement.cs @@ -1,6 +1,7 @@ using System; using System.Diagnostics; +using Org.BouncyCastle.Math.Raw; using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Math.EC.Custom.Sec diff --git a/crypto/src/math/ec/custom/sec/SecP256K1Point.cs b/crypto/src/math/ec/custom/sec/SecP256K1Point.cs index 3165682fa..072a0b969 100644 --- a/crypto/src/math/ec/custom/sec/SecP256K1Point.cs +++ b/crypto/src/math/ec/custom/sec/SecP256K1Point.cs @@ -1,5 +1,7 @@ using System; +using Org.BouncyCastle.Math.Raw; + namespace Org.BouncyCastle.Math.EC.Custom.Sec { internal class SecP256K1Point diff --git a/crypto/src/math/ec/custom/sec/SecP256R1Field.cs b/crypto/src/math/ec/custom/sec/SecP256R1Field.cs index 9ed9dcd41..11594b2ba 100644 --- a/crypto/src/math/ec/custom/sec/SecP256R1Field.cs +++ b/crypto/src/math/ec/custom/sec/SecP256R1Field.cs @@ -1,6 +1,8 @@ using System; using System.Diagnostics; +using Org.BouncyCastle.Math.Raw; + namespace Org.BouncyCastle.Math.EC.Custom.Sec { internal class SecP256R1Field diff --git a/crypto/src/math/ec/custom/sec/SecP256R1FieldElement.cs b/crypto/src/math/ec/custom/sec/SecP256R1FieldElement.cs index b22763cfa..d7838aead 100644 --- a/crypto/src/math/ec/custom/sec/SecP256R1FieldElement.cs +++ b/crypto/src/math/ec/custom/sec/SecP256R1FieldElement.cs @@ -1,5 +1,6 @@ using System; +using Org.BouncyCastle.Math.Raw; using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Math.EC.Custom.Sec diff --git a/crypto/src/math/ec/custom/sec/SecP256R1Point.cs b/crypto/src/math/ec/custom/sec/SecP256R1Point.cs index 1de4a0b4a..83320824d 100644 --- a/crypto/src/math/ec/custom/sec/SecP256R1Point.cs +++ b/crypto/src/math/ec/custom/sec/SecP256R1Point.cs @@ -1,5 +1,7 @@ using System; +using Org.BouncyCastle.Math.Raw; + namespace Org.BouncyCastle.Math.EC.Custom.Sec { internal class SecP256R1Point diff --git a/crypto/src/math/ec/custom/sec/SecP384R1Field.cs b/crypto/src/math/ec/custom/sec/SecP384R1Field.cs index 508b01e3c..7820775ee 100644 --- a/crypto/src/math/ec/custom/sec/SecP384R1Field.cs +++ b/crypto/src/math/ec/custom/sec/SecP384R1Field.cs @@ -1,6 +1,8 @@ using System; using System.Diagnostics; +using Org.BouncyCastle.Math.Raw; + namespace Org.BouncyCastle.Math.EC.Custom.Sec { internal class SecP384R1Field diff --git a/crypto/src/math/ec/custom/sec/SecP384R1FieldElement.cs b/crypto/src/math/ec/custom/sec/SecP384R1FieldElement.cs index 40086978d..18d48a57d 100644 --- a/crypto/src/math/ec/custom/sec/SecP384R1FieldElement.cs +++ b/crypto/src/math/ec/custom/sec/SecP384R1FieldElement.cs @@ -1,5 +1,6 @@ using System; +using Org.BouncyCastle.Math.Raw; using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Math.EC.Custom.Sec diff --git a/crypto/src/math/ec/custom/sec/SecP384R1Point.cs b/crypto/src/math/ec/custom/sec/SecP384R1Point.cs index 68c601611..83159ce61 100644 --- a/crypto/src/math/ec/custom/sec/SecP384R1Point.cs +++ b/crypto/src/math/ec/custom/sec/SecP384R1Point.cs @@ -1,5 +1,7 @@ using System; +using Org.BouncyCastle.Math.Raw; + namespace Org.BouncyCastle.Math.EC.Custom.Sec { internal class SecP384R1Point diff --git a/crypto/src/math/ec/custom/sec/SecP521R1Field.cs b/crypto/src/math/ec/custom/sec/SecP521R1Field.cs index 3568156d8..b7f8eb146 100644 --- a/crypto/src/math/ec/custom/sec/SecP521R1Field.cs +++ b/crypto/src/math/ec/custom/sec/SecP521R1Field.cs @@ -1,6 +1,8 @@ using System; using System.Diagnostics; +using Org.BouncyCastle.Math.Raw; + namespace Org.BouncyCastle.Math.EC.Custom.Sec { internal class SecP521R1Field diff --git a/crypto/src/math/ec/custom/sec/SecP521R1FieldElement.cs b/crypto/src/math/ec/custom/sec/SecP521R1FieldElement.cs index 83a615928..6f02a7eb5 100644 --- a/crypto/src/math/ec/custom/sec/SecP521R1FieldElement.cs +++ b/crypto/src/math/ec/custom/sec/SecP521R1FieldElement.cs @@ -1,5 +1,6 @@ using System; +using Org.BouncyCastle.Math.Raw; using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Math.EC.Custom.Sec diff --git a/crypto/src/math/ec/custom/sec/SecP521R1Point.cs b/crypto/src/math/ec/custom/sec/SecP521R1Point.cs index fb1996cfd..7ad97f76f 100644 --- a/crypto/src/math/ec/custom/sec/SecP521R1Point.cs +++ b/crypto/src/math/ec/custom/sec/SecP521R1Point.cs @@ -1,5 +1,7 @@ using System; +using Org.BouncyCastle.Math.Raw; + namespace Org.BouncyCastle.Math.EC.Custom.Sec { internal class SecP521R1Point |