diff options
Diffstat (limited to 'crypto/src/math/ec/custom/sec/SecP224R1Field.cs')
| -rw-r--r-- | crypto/src/math/ec/custom/sec/SecP224R1Field.cs | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/crypto/src/math/ec/custom/sec/SecP224R1Field.cs b/crypto/src/math/ec/custom/sec/SecP224R1Field.cs index bd6656b27..ee5407beb 100644 --- a/crypto/src/math/ec/custom/sec/SecP224R1Field.cs +++ b/crypto/src/math/ec/custom/sec/SecP224R1Field.cs @@ -17,7 +17,7 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec uint c = Nat224.Add(x, y, z); if (c != 0 || (z[6] == P6 && Nat224.Gte(z, P))) { - Nat224.Sub(z, P, z); + Nat224.SubFrom(P, z); } } @@ -36,7 +36,7 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec uint c = Nat224.Inc(z, 0); if (c != 0 || (z[6] == P6 && Nat224.Gte(z, P))) { - Nat224.Sub(z, P, z); + Nat224.SubFrom(P, z); } } @@ -45,7 +45,7 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec uint[] z = Nat224.FromBigInteger(x); if (z[6] == P6 && Nat224.Gte(z, P)) { - Nat224.Sub(z, P, z); + Nat224.SubFrom(P, z); } return z; } @@ -121,10 +121,7 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec } else { - while (c < 0) - { - c += (int)Nat224.Add(z, P, z); - } + Nat224.AddTo(P, z); } } @@ -133,7 +130,7 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec if ((x != 0 && (Nat224.SubWord(x, z, 0) + Nat224.AddWord(x, z, 3) != 0)) || (z[6] == P6 && Nat224.Gte(z, P))) { - Nat224.Sub(z, P, z); + Nat224.SubFrom(P, z); } } @@ -164,7 +161,7 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec int c = Nat224.Sub(x, y, z); if (c != 0) { - Nat224.Add(z, P, z); + Nat224.AddTo(P, z); } } @@ -182,7 +179,7 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec uint c = Nat224.ShiftUpBit(x, 0, z); if (c != 0 || (z[6] == P6 && Nat224.Gte(z, P))) { - Nat224.Sub(z, P, z); + Nat224.SubFrom(P, z); } } } |