diff options
Diffstat (limited to 'crypto/src/pqc/crypto/saber/Poly.cs')
| -rw-r--r-- | crypto/src/pqc/crypto/saber/Poly.cs | 62 |
1 files changed, 28 insertions, 34 deletions
diff --git a/crypto/src/pqc/crypto/saber/Poly.cs b/crypto/src/pqc/crypto/saber/Poly.cs index 021f1d0e3..eaae6c9a5 100644 --- a/crypto/src/pqc/crypto/saber/Poly.cs +++ b/crypto/src/pqc/crypto/saber/Poly.cs @@ -1,65 +1,59 @@ - using Org.BouncyCastle.Crypto; using Org.BouncyCastle.Crypto.Digests; namespace Org.BouncyCastle.Pqc.Crypto.Saber { - - class Poly + internal class Poly { - private static int KARATSUBA_N = 64; - - private static int SCHB_N = 16; - - private int N_RES; - private int N_SB; - private int N_SB_RES; - private int SABER_N; - private int SABER_L; + private const int KARATSUBA_N = 64; - private SABEREngine engine; - private Utils utils; + //private readonly int N_RES; + private readonly int N_SB; + private readonly int N_SB_RES; + private readonly int SABER_N; + private readonly int SABER_L; + private readonly SaberEngine engine; + private readonly SaberUtilities utils; - public Poly(SABEREngine engine) + public Poly(SaberEngine engine) { this.engine = engine; - this.SABER_L = engine.getSABER_L(); - this.SABER_N = engine.getSABER_N(); - this.N_RES = (SABER_N << 1); - this.N_SB = (SABER_N >> 2); - this.N_SB_RES = (2 * N_SB - 1); - this.utils = engine.GetUtils(); + this.SABER_L = engine.L; + this.SABER_N = engine.N; + //this.N_RES = SABER_N << 1; + this.N_SB = SABER_N >> 2; + this.N_SB_RES = 2 * N_SB - 1; + this.utils = engine.Utilities; } public void GenMatrix(short[][][] A, byte[] seed) { - byte[] buf = new byte[SABER_L * engine.getSABER_POLYVECBYTES()]; + byte[] buf = new byte[SABER_L * engine.PolyVecBytes]; int i; IXof digest = new ShakeDigest(128); - digest.BlockUpdate(seed, 0, engine.getSABER_SEEDBYTES()); + digest.BlockUpdate(seed, 0, engine.SeedBytes); digest.OutputFinal(buf, 0, buf.Length); for (i = 0; i < SABER_L; i++) { - utils.BS2POLVECq(buf, i * engine.getSABER_POLYVECBYTES(), A[i]); + utils.BS2POLVECq(buf, i * engine.PolyVecBytes, A[i]); } } public void GenSecret(short[][] s, byte[] seed) { - byte[] buf = new byte[SABER_L * engine.getSABER_POLYCOINBYTES()]; - int i; + byte[] buf = new byte[SABER_L * engine.PolyCoinBytes]; + IXof digest = new ShakeDigest(128); - digest.BlockUpdate(seed, 0, engine.getSABER_NOISE_SEEDBYTES()); + digest.BlockUpdate(seed, 0, engine.NoiseSeedBytes); digest.OutputFinal(buf, 0, buf.Length); - for (i = 0; i < SABER_L; i++) + for (int i = 0; i < SABER_L; i++) { - Cbd(s[i], buf, i * engine.getSABER_POLYCOINBYTES()); + Cbd(s[i], buf, i * engine.PolyCoinBytes); } - } private long LoadLittleEndian(byte[] x, int offset, int bytes) @@ -78,7 +72,7 @@ namespace Org.BouncyCastle.Pqc.Crypto.Saber { int[] a = new int[4], b = new int[4]; int i, j; - if (engine.getSABER_MU() == 6) + if (engine.MU == 6) { int t, d; for (i = 0; i < SABER_N / 4; i++) @@ -103,7 +97,7 @@ namespace Org.BouncyCastle.Pqc.Crypto.Saber s[4 * i + 3] = (short) (a[3] - b[3]); } } - else if (engine.getSABER_MU() == 8) + else if (engine.MU == 8) { int t, d; for (i = 0; i < SABER_N / 4; i++) @@ -129,7 +123,7 @@ namespace Org.BouncyCastle.Pqc.Crypto.Saber s[4 * i + 3] = (short) (a[3] - b[3]); } } - else if (engine.getSABER_MU() == 10) + else if (engine.MU == 10) { long t, d; for (i = 0; i < SABER_N / 4; i++) @@ -435,4 +429,4 @@ namespace Org.BouncyCastle.Pqc.Crypto.Saber } -} \ No newline at end of file +} |