internal static void Multiply(byte[] x, byte[] y) { uint[] t1 = GcmUtilities.AsUints(x); uint[] t2 = GcmUtilities.AsUints(y); GcmUtilities.Multiply(t1, t2); GcmUtilities.AsBytes(t1, x); }
public void Init(byte[] x) { uint[] y = GcmUtilities.AsUints(x); if (lookupPowX2 != null && Arrays.AreEqual(y, (uint[])lookupPowX2[0])) { return; } lookupPowX2 = BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.CreateArrayList(8); lookupPowX2.Add(y); }
public void Init(byte[] H) { if (M == null) { M = new uint[16][][]; } else if (Arrays.AreEqual(this.H, H)) { return; } this.H = Arrays.Clone(H); M[0] = new uint[256][]; M[0][0] = new uint[4]; M[0][128] = GcmUtilities.AsUints(H); for (int j = 64; j >= 1; j >>= 1) { uint[] tmp = (uint[])M[0][j + j].Clone(); GcmUtilities.MultiplyP(tmp); M[0][j] = tmp; } for (int i = 0; ;) { for (int j = 2; j < 256; j += j) { for (int k = 1; k < j; ++k) { uint[] tmp = (uint[])M[i][j].Clone(); GcmUtilities.Xor(tmp, M[i][k]); M[i][j + k] = tmp; } } if (++i == 16) { return; } M[i] = new uint[256][]; M[i][0] = new uint[4]; for (int j = 128; j > 0; j >>= 1) { uint[] tmp = (uint[])M[i - 1][j].Clone(); GcmUtilities.MultiplyP8(tmp); M[i][j] = tmp; } } }
public void Init(byte[] x) { this.x = GcmUtilities.AsUints(x); }
public void MultiplyH(byte[] x) { uint[] t = GcmUtilities.AsUints(x); GcmUtilities.Multiply(t, H); GcmUtilities.AsBytes(t, x); }
public void Init(byte[] H) { this.H = GcmUtilities.AsUints(H); }