#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR) using System; using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Crypto.Digests { /// ///

Implementation of RipeMD 320.

///

Note: this algorithm offers the same level of security as RipeMD160.

///
public class RipeMD320Digest : GeneralDigest { public override string AlgorithmName { get { return "RIPEMD320"; } } public override int GetDigestSize() { return DigestLength; } private const int DigestLength = 40; private int H0, H1, H2, H3, H4, H5, H6, H7, H8, H9; // IV's private int[] X = new int[16]; private int xOff; /// Standard constructor public RipeMD320Digest() { Reset(); } /// Copy constructor. This will copy the state of the provided /// message digest. /// public RipeMD320Digest(RipeMD320Digest t) : base(t) { CopyIn(t); } private void CopyIn(RipeMD320Digest t) { base.CopyIn(t); H0 = t.H0; H1 = t.H1; H2 = t.H2; H3 = t.H3; H4 = t.H4; H5 = t.H5; H6 = t.H6; H7 = t.H7; H8 = t.H8; H9 = t.H9; Array.Copy(t.X, 0, X, 0, t.X.Length); xOff = t.xOff; } internal override void ProcessWord( byte[] input, int inOff) { X[xOff++] = (input[inOff] & 0xff) | ((input[inOff + 1] & 0xff) << 8) | ((input[inOff + 2] & 0xff) << 16) | ((input[inOff + 3] & 0xff) << 24); if (xOff == 16) { ProcessBlock(); } } internal override void ProcessLength( long bitLength) { if (xOff > 14) { ProcessBlock(); } X[14] = (int)(bitLength & 0xffffffff); X[15] = (int)((ulong)bitLength >> 32); } private void UnpackWord( int word, byte[] outBytes, int outOff) { outBytes[outOff] = (byte)word; outBytes[outOff + 1] = (byte)((uint)word >> 8); outBytes[outOff + 2] = (byte)((uint)word >> 16); outBytes[outOff + 3] = (byte)((uint)word >> 24); } public override int DoFinal(byte[] output, int outOff) { Finish(); UnpackWord(H0, output, outOff); UnpackWord(H1, output, outOff + 4); UnpackWord(H2, output, outOff + 8); UnpackWord(H3, output, outOff + 12); UnpackWord(H4, output, outOff + 16); UnpackWord(H5, output, outOff + 20); UnpackWord(H6, output, outOff + 24); UnpackWord(H7, output, outOff + 28); UnpackWord(H8, output, outOff + 32); UnpackWord(H9, output, outOff + 36); Reset(); return DigestLength; } /// reset the chaining variables to the IV values. public override void Reset() { base.Reset(); H0 = unchecked((int) 0x67452301); H1 = unchecked((int) 0xefcdab89); H2 = unchecked((int) 0x98badcfe); H3 = unchecked((int) 0x10325476); H4 = unchecked((int) 0xc3d2e1f0); H5 = unchecked((int) 0x76543210); H6 = unchecked((int) 0xFEDCBA98); H7 = unchecked((int) 0x89ABCDEF); H8 = unchecked((int) 0x01234567); H9 = unchecked((int) 0x3C2D1E0F); xOff = 0; for (int i = 0; i != X.Length; i++) { X[i] = 0; } } /* * rotate int x left n bits. */ private int RL( int x, int n) { return (x << n) | (int)(((uint)x) >> (32 - n)); } /* * f1,f2,f3,f4,f5 are the basic RipeMD160 functions. */ /* * rounds 0-15 */ private int F1(int x, int y, int z) { return x ^ y ^ z; } /* * rounds 16-31 */ private int F2(int x, int y, int z) { return (x & y) | (~ x & z); } /* * rounds 32-47 */ private int F3(int x, int y, int z) { return (x | ~ y) ^ z; } /* * rounds 48-63 */ private int F4(int x, int y, int z) { return (x & z) | (y & ~ z); } /* * rounds 64-79 */ private int F5(int x, int y, int z) { return x ^ (y | ~z); } internal override void ProcessBlock() { int a, aa; int b, bb; int c, cc; int d, dd; int e, ee; int t; a = H0; b = H1; c = H2; d = H3; e = H4; aa = H5; bb = H6; cc = H7; dd = H8; ee = H9; // // Rounds 1 - 16 // // left a = RL(a + F1(b, c, d) + X[0], 11) + e; c = RL(c, 10); e = RL(e + F1(a, b, c) + X[1], 14) + d; b = RL(b, 10); d = RL(d + F1(e, a, b) + X[2], 15) + c; a = RL(a, 10); c = RL(c + F1(d, e, a) + X[3], 12) + b; e = RL(e, 10); b = RL(b + F1(c, d, e) + X[4], 5) + a; d = RL(d, 10); a = RL(a + F1(b, c, d) + X[5], 8) + e; c = RL(c, 10); e = RL(e + F1(a, b, c) + X[6], 7) + d; b = RL(b, 10); d = RL(d + F1(e, a, b) + X[7], 9) + c; a = RL(a, 10); c = RL(c + F1(d, e, a) + X[8], 11) + b; e = RL(e, 10); b = RL(b + F1(c, d, e) + X[9], 13) + a; d = RL(d, 10); a = RL(a + F1(b, c, d) + X[10], 14) + e; c = RL(c, 10); e = RL(e + F1(a, b, c) + X[11], 15) + d; b = RL(b, 10); d = RL(d + F1(e, a, b) + X[12], 6) + c; a = RL(a, 10); c = RL(c + F1(d, e, a) + X[13], 7) + b; e = RL(e, 10); b = RL(b + F1(c, d, e) + X[14], 9) + a; d = RL(d, 10); a = RL(a + F1(b, c, d) + X[15], 8) + e; c = RL(c, 10); // right aa = RL(aa + F5(bb, cc, dd) + X[5] + unchecked((int)0x50a28be6), 8) + ee; cc = RL(cc, 10); ee = RL(ee + F5(aa, bb, cc) + X[14] + unchecked((int)0x50a28be6), 9) + dd; bb = RL(bb, 10); dd = RL(dd + F5(ee, aa, bb) + X[7] + unchecked((int)0x50a28be6), 9) + cc; aa = RL(aa, 10); cc = RL(cc + F5(dd, ee, aa) + X[0] + unchecked((int)0x50a28be6), 11) + bb; ee = RL(ee, 10); bb = RL(bb + F5(cc, dd, ee) + X[9] + unchecked((int)0x50a28be6), 13) + aa; dd = RL(dd, 10); aa = RL(aa + F5(bb, cc, dd) + X[2] + unchecked((int)0x50a28be6), 15) + ee; cc = RL(cc, 10); ee = RL(ee + F5(aa, bb, cc) + X[11] + unchecked((int)0x50a28be6), 15) + dd; bb = RL(bb, 10); dd = RL(dd + F5(ee, aa, bb) + X[4] + unchecked((int)0x50a28be6), 5) + cc; aa = RL(aa, 10); cc = RL(cc + F5(dd, ee, aa) + X[13] + unchecked((int)0x50a28be6), 7) + bb; ee = RL(ee, 10); bb = RL(bb + F5(cc, dd, ee) + X[6] + unchecked((int)0x50a28be6), 7) + aa; dd = RL(dd, 10); aa = RL(aa + F5(bb, cc, dd) + X[15] + unchecked((int)0x50a28be6), 8) + ee; cc = RL(cc, 10); ee = RL(ee + F5(aa, bb, cc) + X[8] + unchecked((int)0x50a28be6), 11) + dd; bb = RL(bb, 10); dd = RL(dd + F5(ee, aa, bb) + X[1] + unchecked((int)0x50a28be6), 14) + cc; aa = RL(aa, 10); cc = RL(cc + F5(dd, ee, aa) + X[10] + unchecked((int)0x50a28be6), 14) + bb; ee = RL(ee, 10); bb = RL(bb + F5(cc, dd, ee) + X[3] + unchecked((int)0x50a28be6), 12) + aa; dd = RL(dd, 10); aa = RL(aa + F5(bb, cc, dd) + X[12] + unchecked((int)0x50a28be6), 6) + ee; cc = RL(cc, 10); t = a; a = aa; aa = t; // // Rounds 16-31 // // left e = RL(e + F2(a, b, c) + X[7] + unchecked((int)0x5a827999), 7) + d; b = RL(b, 10); d = RL(d + F2(e, a, b) + X[4] + unchecked((int)0x5a827999), 6) + c; a = RL(a, 10); c = RL(c + F2(d, e, a) + X[13] + unchecked((int)0x5a827999), 8) + b; e = RL(e, 10); b = RL(b + F2(c, d, e) + X[1] + unchecked((int)0x5a827999), 13) + a; d = RL(d, 10); a = RL(a + F2(b, c, d) + X[10] + unchecked((int)0x5a827999), 11) + e; c = RL(c, 10); e = RL(e + F2(a, b, c) + X[6] + unchecked((int)0x5a827999), 9) + d; b = RL(b, 10); d = RL(d + F2(e, a, b) + X[15] + unchecked((int)0x5a827999), 7) + c; a = RL(a, 10); c = RL(c + F2(d, e, a) + X[3] + unchecked((int)0x5a827999), 15) + b; e = RL(e, 10); b = RL(b + F2(c, d, e) + X[12] + unchecked((int)0x5a827999), 7) + a; d = RL(d, 10); a = RL(a + F2(b, c, d) + X[0] + unchecked((int)0x5a827999), 12) + e; c = RL(c, 10); e = RL(e + F2(a, b, c) + X[9] + unchecked((int)0x5a827999), 15) + d; b = RL(b, 10); d = RL(d + F2(e, a, b) + X[5] + unchecked((int)0x5a827999), 9) + c; a = RL(a, 10); c = RL(c + F2(d, e, a) + X[2] + unchecked((int)0x5a827999), 11) + b; e = RL(e, 10); b = RL(b + F2(c, d, e) + X[14] + unchecked((int)0x5a827999), 7) + a; d = RL(d, 10); a = RL(a + F2(b, c, d) + X[11] + unchecked((int)0x5a827999), 13) + e; c = RL(c, 10); e = RL(e + F2(a, b, c) + X[8] + unchecked((int)0x5a827999), 12) + d; b = RL(b, 10); // right ee = RL(ee + F4(aa, bb, cc) + X[6] + unchecked((int)0x5c4dd124), 9) + dd; bb = RL(bb, 10); dd = RL(dd + F4(ee, aa, bb) + X[11] + unchecked((int)0x5c4dd124), 13) + cc; aa = RL(aa, 10); cc = RL(cc + F4(dd, ee, aa) + X[3] + unchecked((int)0x5c4dd124), 15) + bb; ee = RL(ee, 10); bb = RL(bb + F4(cc, dd, ee) + X[7] + unchecked((int)0x5c4dd124), 7) + aa; dd = RL(dd, 10); aa = RL(aa + F4(bb, cc, dd) + X[0] + unchecked((int)0x5c4dd124), 12) + ee; cc = RL(cc, 10); ee = RL(ee + F4(aa, bb, cc) + X[13] + unchecked((int)0x5c4dd124), 8) + dd; bb = RL(bb, 10); dd = RL(dd + F4(ee, aa, bb) + X[5] + unchecked((int)0x5c4dd124), 9) + cc; aa = RL(aa, 10); cc = RL(cc + F4(dd, ee, aa) + X[10] + unchecked((int)0x5c4dd124), 11) + bb; ee = RL(ee, 10); bb = RL(bb + F4(cc, dd, ee) + X[14] + unchecked((int)0x5c4dd124), 7) + aa; dd = RL(dd, 10); aa = RL(aa + F4(bb, cc, dd) + X[15] + unchecked((int)0x5c4dd124), 7) + ee; cc = RL(cc, 10); ee = RL(ee + F4(aa, bb, cc) + X[8] + unchecked((int)0x5c4dd124), 12) + dd; bb = RL(bb, 10); dd = RL(dd + F4(ee, aa, bb) + X[12] + unchecked((int)0x5c4dd124), 7) + cc; aa = RL(aa, 10); cc = RL(cc + F4(dd, ee, aa) + X[4] + unchecked((int)0x5c4dd124), 6) + bb; ee = RL(ee, 10); bb = RL(bb + F4(cc, dd, ee) + X[9] + unchecked((int)0x5c4dd124), 15) + aa; dd = RL(dd, 10); aa = RL(aa + F4(bb, cc, dd) + X[1] + unchecked((int)0x5c4dd124), 13) + ee; cc = RL(cc, 10); ee = RL(ee + F4(aa, bb, cc) + X[2] + unchecked((int)0x5c4dd124), 11) + dd; bb = RL(bb, 10); t = b; b = bb; bb = t; // // Rounds 32-47 // // left d = RL(d + F3(e, a, b) + X[3] + unchecked((int)0x6ed9eba1), 11) + c; a = RL(a, 10); c = RL(c + F3(d, e, a) + X[10] + unchecked((int)0x6ed9eba1), 13) + b; e = RL(e, 10); b = RL(b + F3(c, d, e) + X[14] + unchecked((int)0x6ed9eba1), 6) + a; d = RL(d, 10); a = RL(a + F3(b, c, d) + X[4] + unchecked((int)0x6ed9eba1), 7) + e; c = RL(c, 10); e = RL(e + F3(a, b, c) + X[9] + unchecked((int)0x6ed9eba1), 14) + d; b = RL(b, 10); d = RL(d + F3(e, a, b) + X[15] + unchecked((int)0x6ed9eba1), 9) + c; a = RL(a, 10); c = RL(c + F3(d, e, a) + X[8] + unchecked((int)0x6ed9eba1), 13) + b; e = RL(e, 10); b = RL(b + F3(c, d, e) + X[1] + unchecked((int)0x6ed9eba1), 15) + a; d = RL(d, 10); a = RL(a + F3(b, c, d) + X[2] + unchecked((int)0x6ed9eba1), 14) + e; c = RL(c, 10); e = RL(e + F3(a, b, c) + X[7] + unchecked((int)0x6ed9eba1), 8) + d; b = RL(b, 10); d = RL(d + F3(e, a, b) + X[0] + unchecked((int)0x6ed9eba1), 13) + c; a = RL(a, 10); c = RL(c + F3(d, e, a) + X[6] + unchecked((int)0x6ed9eba1), 6) + b; e = RL(e, 10); b = RL(b + F3(c, d, e) + X[13] + unchecked((int)0x6ed9eba1), 5) + a; d = RL(d, 10); a = RL(a + F3(b, c, d) + X[11] + unchecked((int)0x6ed9eba1), 12) + e; c = RL(c, 10); e = RL(e + F3(a, b, c) + X[5] + unchecked((int)0x6ed9eba1), 7) + d; b = RL(b, 10); d = RL(d + F3(e, a, b) + X[12] + unchecked((int)0x6ed9eba1), 5) + c; a = RL(a, 10); // right dd = RL(dd + F3(ee, aa, bb) + X[15] + unchecked((int)0x6d703ef3), 9) + cc; aa = RL(aa, 10); cc = RL(cc + F3(dd, ee, aa) + X[5] + unchecked((int)0x6d703ef3), 7) + bb; ee = RL(ee, 10); bb = RL(bb + F3(cc, dd, ee) + X[1] + unchecked((int)0x6d703ef3), 15) + aa; dd = RL(dd, 10); aa = RL(aa + F3(bb, cc, dd) + X[3] + unchecked((int)0x6d703ef3), 11) + ee; cc = RL(cc, 10); ee = RL(ee + F3(aa, bb, cc) + X[7] + unchecked((int)0x6d703ef3), 8) + dd; bb = RL(bb, 10); dd = RL(dd + F3(ee, aa, bb) + X[14] + unchecked((int)0x6d703ef3), 6) + cc; aa = RL(aa, 10); cc = RL(cc + F3(dd, ee, aa) + X[6] + unchecked((int)0x6d703ef3), 6) + bb; ee = RL(ee, 10); bb = RL(bb + F3(cc, dd, ee) + X[9] + unchecked((int)0x6d703ef3), 14) + aa; dd = RL(dd, 10); aa = RL(aa + F3(bb, cc, dd) + X[11] + unchecked((int)0x6d703ef3), 12) + ee; cc = RL(cc, 10); ee = RL(ee + F3(aa, bb, cc) + X[8] + unchecked((int)0x6d703ef3), 13) + dd; bb = RL(bb, 10); dd = RL(dd + F3(ee, aa, bb) + X[12] + unchecked((int)0x6d703ef3), 5) + cc; aa = RL(aa, 10); cc = RL(cc + F3(dd, ee, aa) + X[2] + unchecked((int)0x6d703ef3), 14) + bb; ee = RL(ee, 10); bb = RL(bb + F3(cc, dd, ee) + X[10] + unchecked((int)0x6d703ef3), 13) + aa; dd = RL(dd, 10); aa = RL(aa + F3(bb, cc, dd) + X[0] + unchecked((int)0x6d703ef3), 13) + ee; cc = RL(cc, 10); ee = RL(ee + F3(aa, bb, cc) + X[4] + unchecked((int)0x6d703ef3), 7) + dd; bb = RL(bb, 10); dd = RL(dd + F3(ee, aa, bb) + X[13] + unchecked((int)0x6d703ef3), 5) + cc; aa = RL(aa, 10); t = c; c = cc; cc = t; // // Rounds 48-63 // // left c = RL(c + F4(d, e, a) + X[1] + unchecked((int)0x8f1bbcdc), 11) + b; e = RL(e, 10); b = RL(b + F4(c, d, e) + X[9] + unchecked((int)0x8f1bbcdc), 12) + a; d = RL(d, 10); a = RL(a + F4(b, c, d) + X[11] + unchecked((int)0x8f1bbcdc), 14) + e; c = RL(c, 10); e = RL(e + F4(a, b, c) + X[10] + unchecked((int)0x8f1bbcdc), 15) + d; b = RL(b, 10); d = RL(d + F4(e, a, b) + X[0] + unchecked((int)0x8f1bbcdc), 14) + c; a = RL(a, 10); c = RL(c + F4(d, e, a) + X[8] + unchecked((int)0x8f1bbcdc), 15) + b; e = RL(e, 10); b = RL(b + F4(c, d, e) + X[12] + unchecked((int)0x8f1bbcdc), 9) + a; d = RL(d, 10); a = RL(a + F4(b, c, d) + X[4] + unchecked((int)0x8f1bbcdc), 8) + e; c = RL(c, 10); e = RL(e + F4(a, b, c) + X[13] + unchecked((int)0x8f1bbcdc), 9) + d; b = RL(b, 10); d = RL(d + F4(e, a, b) + X[3] + unchecked((int)0x8f1bbcdc), 14) + c; a = RL(a, 10); c = RL(c + F4(d, e, a) + X[7] + unchecked((int)0x8f1bbcdc), 5) + b; e = RL(e, 10); b = RL(b + F4(c, d, e) + X[15] + unchecked((int)0x8f1bbcdc), 6) + a; d = RL(d, 10); a = RL(a + F4(b, c, d) + X[14] + unchecked((int)0x8f1bbcdc), 8) + e; c = RL(c, 10); e = RL(e + F4(a, b, c) + X[5] + unchecked((int)0x8f1bbcdc), 6) + d; b = RL(b, 10); d = RL(d + F4(e, a, b) + X[6] + unchecked((int)0x8f1bbcdc), 5) + c; a = RL(a, 10); c = RL(c + F4(d, e, a) + X[2] + unchecked((int)0x8f1bbcdc), 12) + b; e = RL(e, 10); // right cc = RL(cc + F2(dd, ee, aa) + X[8] + unchecked((int)0x7a6d76e9), 15) + bb; ee = RL(ee, 10); bb = RL(bb + F2(cc, dd, ee) + X[6] + unchecked((int)0x7a6d76e9), 5) + aa; dd = RL(dd, 10); aa = RL(aa + F2(bb, cc, dd) + X[4] + unchecked((int)0x7a6d76e9), 8) + ee; cc = RL(cc, 10); ee = RL(ee + F2(aa, bb, cc) + X[1] + unchecked((int)0x7a6d76e9), 11) + dd; bb = RL(bb, 10); dd = RL(dd + F2(ee, aa, bb) + X[3] + unchecked((int)0x7a6d76e9), 14) + cc; aa = RL(aa, 10); cc = RL(cc + F2(dd, ee, aa) + X[11] + unchecked((int)0x7a6d76e9), 14) + bb; ee = RL(ee, 10); bb = RL(bb + F2(cc, dd, ee) + X[15] + unchecked((int)0x7a6d76e9), 6) + aa; dd = RL(dd, 10); aa = RL(aa + F2(bb, cc, dd) + X[0] + unchecked((int)0x7a6d76e9), 14) + ee; cc = RL(cc, 10); ee = RL(ee + F2(aa, bb, cc) + X[5] + unchecked((int)0x7a6d76e9), 6) + dd; bb = RL(bb, 10); dd = RL(dd + F2(ee, aa, bb) + X[12] + unchecked((int)0x7a6d76e9), 9) + cc; aa = RL(aa, 10); cc = RL(cc + F2(dd, ee, aa) + X[2] + unchecked((int)0x7a6d76e9), 12) + bb; ee = RL(ee, 10); bb = RL(bb + F2(cc, dd, ee) + X[13] + unchecked((int)0x7a6d76e9), 9) + aa; dd = RL(dd, 10); aa = RL(aa + F2(bb, cc, dd) + X[9] + unchecked((int)0x7a6d76e9), 12) + ee; cc = RL(cc, 10); ee = RL(ee + F2(aa, bb, cc) + X[7] + unchecked((int)0x7a6d76e9), 5) + dd; bb = RL(bb, 10); dd = RL(dd + F2(ee, aa, bb) + X[10] + unchecked((int)0x7a6d76e9), 15) + cc; aa = RL(aa, 10); cc = RL(cc + F2(dd, ee, aa) + X[14] + unchecked((int)0x7a6d76e9), 8) + bb; ee = RL(ee, 10); t = d; d = dd; dd = t; // // Rounds 64-79 // // left b = RL(b + F5(c, d, e) + X[4] + unchecked((int)0xa953fd4e), 9) + a; d = RL(d, 10); a = RL(a + F5(b, c, d) + X[0] + unchecked((int)0xa953fd4e), 15) + e; c = RL(c, 10); e = RL(e + F5(a, b, c) + X[5] + unchecked((int)0xa953fd4e), 5) + d; b = RL(b, 10); d = RL(d + F5(e, a, b) + X[9] + unchecked((int)0xa953fd4e), 11) + c; a = RL(a, 10); c = RL(c + F5(d, e, a) + X[7] + unchecked((int)0xa953fd4e), 6) + b; e = RL(e, 10); b = RL(b + F5(c, d, e) + X[12] + unchecked((int)0xa953fd4e), 8) + a; d = RL(d, 10); a = RL(a + F5(b, c, d) + X[2] + unchecked((int)0xa953fd4e), 13) + e; c = RL(c, 10); e = RL(e + F5(a, b, c) + X[10] + unchecked((int)0xa953fd4e), 12) + d; b = RL(b, 10); d = RL(d + F5(e, a, b) + X[14] + unchecked((int)0xa953fd4e), 5) + c; a = RL(a, 10); c = RL(c + F5(d, e, a) + X[1] + unchecked((int)0xa953fd4e), 12) + b; e = RL(e, 10); b = RL(b + F5(c, d, e) + X[3] + unchecked((int)0xa953fd4e), 13) + a; d = RL(d, 10); a = RL(a + F5(b, c, d) + X[8] + unchecked((int)0xa953fd4e), 14) + e; c = RL(c, 10); e = RL(e + F5(a, b, c) + X[11] + unchecked((int)0xa953fd4e), 11) + d; b = RL(b, 10); d = RL(d + F5(e, a, b) + X[6] + unchecked((int)0xa953fd4e), 8) + c; a = RL(a, 10); c = RL(c + F5(d, e, a) + X[15] + unchecked((int)0xa953fd4e), 5) + b; e = RL(e, 10); b = RL(b + F5(c, d, e) + X[13] + unchecked((int)0xa953fd4e), 6) + a; d = RL(d, 10); // right bb = RL(bb + F1(cc, dd, ee) + X[12], 8) + aa; dd = RL(dd, 10); aa = RL(aa + F1(bb, cc, dd) + X[15], 5) + ee; cc = RL(cc, 10); ee = RL(ee + F1(aa, bb, cc) + X[10], 12) + dd; bb = RL(bb, 10); dd = RL(dd + F1(ee, aa, bb) + X[4], 9) + cc; aa = RL(aa, 10); cc = RL(cc + F1(dd, ee, aa) + X[1], 12) + bb; ee = RL(ee, 10); bb = RL(bb + F1(cc, dd, ee) + X[5], 5) + aa; dd = RL(dd, 10); aa = RL(aa + F1(bb, cc, dd) + X[8], 14) + ee; cc = RL(cc, 10); ee = RL(ee + F1(aa, bb, cc) + X[7], 6) + dd; bb = RL(bb, 10); dd = RL(dd + F1(ee, aa, bb) + X[6], 8) + cc; aa = RL(aa, 10); cc = RL(cc + F1(dd, ee, aa) + X[2], 13) + bb; ee = RL(ee, 10); bb = RL(bb + F1(cc, dd, ee) + X[13], 6) + aa; dd = RL(dd, 10); aa = RL(aa + F1(bb, cc, dd) + X[14], 5) + ee; cc = RL(cc, 10); ee = RL(ee + F1(aa, bb, cc) + X[0], 15) + dd; bb = RL(bb, 10); dd = RL(dd + F1(ee, aa, bb) + X[3], 13) + cc; aa = RL(aa, 10); cc = RL(cc + F1(dd, ee, aa) + X[9], 11) + bb; ee = RL(ee, 10); bb = RL(bb + F1(cc, dd, ee) + X[11], 11) + aa; dd = RL(dd, 10); // // do (e, ee) swap as part of assignment. // H0 += a; H1 += b; H2 += c; H3 += d; H4 += ee; H5 += aa; H6 += bb; H7 += cc; H8 += dd; H9 += e; // // reset the offset and clean out the word buffer. // xOff = 0; for (int i = 0; i != X.Length; i++) { X[i] = 0; } } public override IMemoable Copy() { return new RipeMD320Digest(this); } public override void Reset(IMemoable other) { RipeMD320Digest d = (RipeMD320Digest)other; CopyIn(d); } } } #endif