| package org.bouncycastle.crypto.digests; |
| |
| |
| import org.bouncycastle.util.Memoable; |
| |
| /** |
| * implementation of RIPEMD 320. |
| * <p> |
| * <b>Note:</b> this implementation offers the same level of security |
| * as RIPEMD 160. |
| */ |
| public class RIPEMD320Digest |
| extends GeneralDigest |
| { |
| private static final int DIGEST_LENGTH = 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) |
| { |
| super(t); |
| |
| doCopy(t); |
| } |
| |
| private void doCopy(RIPEMD320Digest t) |
| { |
| super.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; |
| |
| System.arraycopy(t.X, 0, X, 0, t.X.length); |
| xOff = t.xOff; |
| } |
| |
| public String getAlgorithmName() |
| { |
| return "RIPEMD320"; |
| } |
| |
| public int getDigestSize() |
| { |
| return DIGEST_LENGTH; |
| } |
| |
| protected void processWord( |
| byte[] in, |
| int inOff) |
| { |
| X[xOff++] = (in[inOff] & 0xff) | ((in[inOff + 1] & 0xff) << 8) |
| | ((in[inOff + 2] & 0xff) << 16) | ((in[inOff + 3] & 0xff) << 24); |
| |
| if (xOff == 16) |
| { |
| processBlock(); |
| } |
| } |
| |
| protected void processLength( |
| long bitLength) |
| { |
| if (xOff > 14) |
| { |
| processBlock(); |
| } |
| |
| X[14] = (int)(bitLength & 0xffffffff); |
| X[15] = (int)(bitLength >>> 32); |
| } |
| |
| private void unpackWord( |
| int word, |
| byte[] out, |
| int outOff) |
| { |
| out[outOff] = (byte)word; |
| out[outOff + 1] = (byte)(word >>> 8); |
| out[outOff + 2] = (byte)(word >>> 16); |
| out[outOff + 3] = (byte)(word >>> 24); |
| } |
| |
| public int doFinal( |
| byte[] out, |
| int outOff) |
| { |
| finish(); |
| |
| unpackWord(H0, out, outOff); |
| unpackWord(H1, out, outOff + 4); |
| unpackWord(H2, out, outOff + 8); |
| unpackWord(H3, out, outOff + 12); |
| unpackWord(H4, out, outOff + 16); |
| unpackWord(H5, out, outOff + 20); |
| unpackWord(H6, out, outOff + 24); |
| unpackWord(H7, out, outOff + 28); |
| unpackWord(H8, out, outOff + 32); |
| unpackWord(H9, out, outOff + 36); |
| |
| reset(); |
| |
| return DIGEST_LENGTH; |
| } |
| |
| /** |
| * reset the chaining variables to the IV values. |
| */ |
| public void reset() |
| { |
| super.reset(); |
| |
| H0 = 0x67452301; |
| H1 = 0xefcdab89; |
| H2 = 0x98badcfe; |
| H3 = 0x10325476; |
| H4 = 0xc3d2e1f0; |
| H5 = 0x76543210; |
| H6 = 0xFEDCBA98; |
| H7 = 0x89ABCDEF; |
| H8 = 0x01234567; |
| H9 = 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) | (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); |
| } |
| |
| protected 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] + 0x50a28be6, 8) + ee; cc = RL(cc, 10); |
| ee = RL(ee + f5(aa,bb,cc) + X[14] + 0x50a28be6, 9) + dd; bb = RL(bb, 10); |
| dd = RL(dd + f5(ee,aa,bb) + X[ 7] + 0x50a28be6, 9) + cc; aa = RL(aa, 10); |
| cc = RL(cc + f5(dd,ee,aa) + X[ 0] + 0x50a28be6, 11) + bb; ee = RL(ee, 10); |
| bb = RL(bb + f5(cc,dd,ee) + X[ 9] + 0x50a28be6, 13) + aa; dd = RL(dd, 10); |
| aa = RL(aa + f5(bb,cc,dd) + X[ 2] + 0x50a28be6, 15) + ee; cc = RL(cc, 10); |
| ee = RL(ee + f5(aa,bb,cc) + X[11] + 0x50a28be6, 15) + dd; bb = RL(bb, 10); |
| dd = RL(dd + f5(ee,aa,bb) + X[ 4] + 0x50a28be6, 5) + cc; aa = RL(aa, 10); |
| cc = RL(cc + f5(dd,ee,aa) + X[13] + 0x50a28be6, 7) + bb; ee = RL(ee, 10); |
| bb = RL(bb + f5(cc,dd,ee) + X[ 6] + 0x50a28be6, 7) + aa; dd = RL(dd, 10); |
| aa = RL(aa + f5(bb,cc,dd) + X[15] + 0x50a28be6, 8) + ee; cc = RL(cc, 10); |
| ee = RL(ee + f5(aa,bb,cc) + X[ 8] + 0x50a28be6, 11) + dd; bb = RL(bb, 10); |
| dd = RL(dd + f5(ee,aa,bb) + X[ 1] + 0x50a28be6, 14) + cc; aa = RL(aa, 10); |
| cc = RL(cc + f5(dd,ee,aa) + X[10] + 0x50a28be6, 14) + bb; ee = RL(ee, 10); |
| bb = RL(bb + f5(cc,dd,ee) + X[ 3] + 0x50a28be6, 12) + aa; dd = RL(dd, 10); |
| aa = RL(aa + f5(bb,cc,dd) + X[12] + 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] + 0x5a827999, 7) + d; b = RL(b, 10); |
| d = RL(d + f2(e,a,b) + X[ 4] + 0x5a827999, 6) + c; a = RL(a, 10); |
| c = RL(c + f2(d,e,a) + X[13] + 0x5a827999, 8) + b; e = RL(e, 10); |
| b = RL(b + f2(c,d,e) + X[ 1] + 0x5a827999, 13) + a; d = RL(d, 10); |
| a = RL(a + f2(b,c,d) + X[10] + 0x5a827999, 11) + e; c = RL(c, 10); |
| e = RL(e + f2(a,b,c) + X[ 6] + 0x5a827999, 9) + d; b = RL(b, 10); |
| d = RL(d + f2(e,a,b) + X[15] + 0x5a827999, 7) + c; a = RL(a, 10); |
| c = RL(c + f2(d,e,a) + X[ 3] + 0x5a827999, 15) + b; e = RL(e, 10); |
| b = RL(b + f2(c,d,e) + X[12] + 0x5a827999, 7) + a; d = RL(d, 10); |
| a = RL(a + f2(b,c,d) + X[ 0] + 0x5a827999, 12) + e; c = RL(c, 10); |
| e = RL(e + f2(a,b,c) + X[ 9] + 0x5a827999, 15) + d; b = RL(b, 10); |
| d = RL(d + f2(e,a,b) + X[ 5] + 0x5a827999, 9) + c; a = RL(a, 10); |
| c = RL(c + f2(d,e,a) + X[ 2] + 0x5a827999, 11) + b; e = RL(e, 10); |
| b = RL(b + f2(c,d,e) + X[14] + 0x5a827999, 7) + a; d = RL(d, 10); |
| a = RL(a + f2(b,c,d) + X[11] + 0x5a827999, 13) + e; c = RL(c, 10); |
| e = RL(e + f2(a,b,c) + X[ 8] + 0x5a827999, 12) + d; b = RL(b, 10); |
| |
| // right |
| ee = RL(ee + f4(aa,bb,cc) + X[ 6] + 0x5c4dd124, 9) + dd; bb = RL(bb, 10); |
| dd = RL(dd + f4(ee,aa,bb) + X[11] + 0x5c4dd124, 13) + cc; aa = RL(aa, 10); |
| cc = RL(cc + f4(dd,ee,aa) + X[ 3] + 0x5c4dd124, 15) + bb; ee = RL(ee, 10); |
| bb = RL(bb + f4(cc,dd,ee) + X[ 7] + 0x5c4dd124, 7) + aa; dd = RL(dd, 10); |
| aa = RL(aa + f4(bb,cc,dd) + X[ 0] + 0x5c4dd124, 12) + ee; cc = RL(cc, 10); |
| ee = RL(ee + f4(aa,bb,cc) + X[13] + 0x5c4dd124, 8) + dd; bb = RL(bb, 10); |
| dd = RL(dd + f4(ee,aa,bb) + X[ 5] + 0x5c4dd124, 9) + cc; aa = RL(aa, 10); |
| cc = RL(cc + f4(dd,ee,aa) + X[10] + 0x5c4dd124, 11) + bb; ee = RL(ee, 10); |
| bb = RL(bb + f4(cc,dd,ee) + X[14] + 0x5c4dd124, 7) + aa; dd = RL(dd, 10); |
| aa = RL(aa + f4(bb,cc,dd) + X[15] + 0x5c4dd124, 7) + ee; cc = RL(cc, 10); |
| ee = RL(ee + f4(aa,bb,cc) + X[ 8] + 0x5c4dd124, 12) + dd; bb = RL(bb, 10); |
| dd = RL(dd + f4(ee,aa,bb) + X[12] + 0x5c4dd124, 7) + cc; aa = RL(aa, 10); |
| cc = RL(cc + f4(dd,ee,aa) + X[ 4] + 0x5c4dd124, 6) + bb; ee = RL(ee, 10); |
| bb = RL(bb + f4(cc,dd,ee) + X[ 9] + 0x5c4dd124, 15) + aa; dd = RL(dd, 10); |
| aa = RL(aa + f4(bb,cc,dd) + X[ 1] + 0x5c4dd124, 13) + ee; cc = RL(cc, 10); |
| ee = RL(ee + f4(aa,bb,cc) + X[ 2] + 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] + 0x6ed9eba1, 11) + c; a = RL(a, 10); |
| c = RL(c + f3(d,e,a) + X[10] + 0x6ed9eba1, 13) + b; e = RL(e, 10); |
| b = RL(b + f3(c,d,e) + X[14] + 0x6ed9eba1, 6) + a; d = RL(d, 10); |
| a = RL(a + f3(b,c,d) + X[ 4] + 0x6ed9eba1, 7) + e; c = RL(c, 10); |
| e = RL(e + f3(a,b,c) + X[ 9] + 0x6ed9eba1, 14) + d; b = RL(b, 10); |
| d = RL(d + f3(e,a,b) + X[15] + 0x6ed9eba1, 9) + c; a = RL(a, 10); |
| c = RL(c + f3(d,e,a) + X[ 8] + 0x6ed9eba1, 13) + b; e = RL(e, 10); |
| b = RL(b + f3(c,d,e) + X[ 1] + 0x6ed9eba1, 15) + a; d = RL(d, 10); |
| a = RL(a + f3(b,c,d) + X[ 2] + 0x6ed9eba1, 14) + e; c = RL(c, 10); |
| e = RL(e + f3(a,b,c) + X[ 7] + 0x6ed9eba1, 8) + d; b = RL(b, 10); |
| d = RL(d + f3(e,a,b) + X[ 0] + 0x6ed9eba1, 13) + c; a = RL(a, 10); |
| c = RL(c + f3(d,e,a) + X[ 6] + 0x6ed9eba1, 6) + b; e = RL(e, 10); |
| b = RL(b + f3(c,d,e) + X[13] + 0x6ed9eba1, 5) + a; d = RL(d, 10); |
| a = RL(a + f3(b,c,d) + X[11] + 0x6ed9eba1, 12) + e; c = RL(c, 10); |
| e = RL(e + f3(a,b,c) + X[ 5] + 0x6ed9eba1, 7) + d; b = RL(b, 10); |
| d = RL(d + f3(e,a,b) + X[12] + 0x6ed9eba1, 5) + c; a = RL(a, 10); |
| |
| // right |
| dd = RL(dd + f3(ee,aa,bb) + X[15] + 0x6d703ef3, 9) + cc; aa = RL(aa, 10); |
| cc = RL(cc + f3(dd,ee,aa) + X[ 5] + 0x6d703ef3, 7) + bb; ee = RL(ee, 10); |
| bb = RL(bb + f3(cc,dd,ee) + X[ 1] + 0x6d703ef3, 15) + aa; dd = RL(dd, 10); |
| aa = RL(aa + f3(bb,cc,dd) + X[ 3] + 0x6d703ef3, 11) + ee; cc = RL(cc, 10); |
| ee = RL(ee + f3(aa,bb,cc) + X[ 7] + 0x6d703ef3, 8) + dd; bb = RL(bb, 10); |
| dd = RL(dd + f3(ee,aa,bb) + X[14] + 0x6d703ef3, 6) + cc; aa = RL(aa, 10); |
| cc = RL(cc + f3(dd,ee,aa) + X[ 6] + 0x6d703ef3, 6) + bb; ee = RL(ee, 10); |
| bb = RL(bb + f3(cc,dd,ee) + X[ 9] + 0x6d703ef3, 14) + aa; dd = RL(dd, 10); |
| aa = RL(aa + f3(bb,cc,dd) + X[11] + 0x6d703ef3, 12) + ee; cc = RL(cc, 10); |
| ee = RL(ee + f3(aa,bb,cc) + X[ 8] + 0x6d703ef3, 13) + dd; bb = RL(bb, 10); |
| dd = RL(dd + f3(ee,aa,bb) + X[12] + 0x6d703ef3, 5) + cc; aa = RL(aa, 10); |
| cc = RL(cc + f3(dd,ee,aa) + X[ 2] + 0x6d703ef3, 14) + bb; ee = RL(ee, 10); |
| bb = RL(bb + f3(cc,dd,ee) + X[10] + 0x6d703ef3, 13) + aa; dd = RL(dd, 10); |
| aa = RL(aa + f3(bb,cc,dd) + X[ 0] + 0x6d703ef3, 13) + ee; cc = RL(cc, 10); |
| ee = RL(ee + f3(aa,bb,cc) + X[ 4] + 0x6d703ef3, 7) + dd; bb = RL(bb, 10); |
| dd = RL(dd + f3(ee,aa,bb) + X[13] + 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] + 0x8f1bbcdc, 11) + b; e = RL(e, 10); |
| b = RL(b + f4(c,d,e) + X[ 9] + 0x8f1bbcdc, 12) + a; d = RL(d, 10); |
| a = RL(a + f4(b,c,d) + X[11] + 0x8f1bbcdc, 14) + e; c = RL(c, 10); |
| e = RL(e + f4(a,b,c) + X[10] + 0x8f1bbcdc, 15) + d; b = RL(b, 10); |
| d = RL(d + f4(e,a,b) + X[ 0] + 0x8f1bbcdc, 14) + c; a = RL(a, 10); |
| c = RL(c + f4(d,e,a) + X[ 8] + 0x8f1bbcdc, 15) + b; e = RL(e, 10); |
| b = RL(b + f4(c,d,e) + X[12] + 0x8f1bbcdc, 9) + a; d = RL(d, 10); |
| a = RL(a + f4(b,c,d) + X[ 4] + 0x8f1bbcdc, 8) + e; c = RL(c, 10); |
| e = RL(e + f4(a,b,c) + X[13] + 0x8f1bbcdc, 9) + d; b = RL(b, 10); |
| d = RL(d + f4(e,a,b) + X[ 3] + 0x8f1bbcdc, 14) + c; a = RL(a, 10); |
| c = RL(c + f4(d,e,a) + X[ 7] + 0x8f1bbcdc, 5) + b; e = RL(e, 10); |
| b = RL(b + f4(c,d,e) + X[15] + 0x8f1bbcdc, 6) + a; d = RL(d, 10); |
| a = RL(a + f4(b,c,d) + X[14] + 0x8f1bbcdc, 8) + e; c = RL(c, 10); |
| e = RL(e + f4(a,b,c) + X[ 5] + 0x8f1bbcdc, 6) + d; b = RL(b, 10); |
| d = RL(d + f4(e,a,b) + X[ 6] + 0x8f1bbcdc, 5) + c; a = RL(a, 10); |
| c = RL(c + f4(d,e,a) + X[ 2] + 0x8f1bbcdc, 12) + b; e = RL(e, 10); |
| |
| // right |
| cc = RL(cc + f2(dd,ee,aa) + X[ 8] + 0x7a6d76e9, 15) + bb; ee = RL(ee, 10); |
| bb = RL(bb + f2(cc,dd,ee) + X[ 6] + 0x7a6d76e9, 5) + aa; dd = RL(dd, 10); |
| aa = RL(aa + f2(bb,cc,dd) + X[ 4] + 0x7a6d76e9, 8) + ee; cc = RL(cc, 10); |
| ee = RL(ee + f2(aa,bb,cc) + X[ 1] + 0x7a6d76e9, 11) + dd; bb = RL(bb, 10); |
| dd = RL(dd + f2(ee,aa,bb) + X[ 3] + 0x7a6d76e9, 14) + cc; aa = RL(aa, 10); |
| cc = RL(cc + f2(dd,ee,aa) + X[11] + 0x7a6d76e9, 14) + bb; ee = RL(ee, 10); |
| bb = RL(bb + f2(cc,dd,ee) + X[15] + 0x7a6d76e9, 6) + aa; dd = RL(dd, 10); |
| aa = RL(aa + f2(bb,cc,dd) + X[ 0] + 0x7a6d76e9, 14) + ee; cc = RL(cc, 10); |
| ee = RL(ee + f2(aa,bb,cc) + X[ 5] + 0x7a6d76e9, 6) + dd; bb = RL(bb, 10); |
| dd = RL(dd + f2(ee,aa,bb) + X[12] + 0x7a6d76e9, 9) + cc; aa = RL(aa, 10); |
| cc = RL(cc + f2(dd,ee,aa) + X[ 2] + 0x7a6d76e9, 12) + bb; ee = RL(ee, 10); |
| bb = RL(bb + f2(cc,dd,ee) + X[13] + 0x7a6d76e9, 9) + aa; dd = RL(dd, 10); |
| aa = RL(aa + f2(bb,cc,dd) + X[ 9] + 0x7a6d76e9, 12) + ee; cc = RL(cc, 10); |
| ee = RL(ee + f2(aa,bb,cc) + X[ 7] + 0x7a6d76e9, 5) + dd; bb = RL(bb, 10); |
| dd = RL(dd + f2(ee,aa,bb) + X[10] + 0x7a6d76e9, 15) + cc; aa = RL(aa, 10); |
| cc = RL(cc + f2(dd,ee,aa) + X[14] + 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] + 0xa953fd4e, 9) + a; d = RL(d, 10); |
| a = RL(a + f5(b,c,d) + X[ 0] + 0xa953fd4e, 15) + e; c = RL(c, 10); |
| e = RL(e + f5(a,b,c) + X[ 5] + 0xa953fd4e, 5) + d; b = RL(b, 10); |
| d = RL(d + f5(e,a,b) + X[ 9] + 0xa953fd4e, 11) + c; a = RL(a, 10); |
| c = RL(c + f5(d,e,a) + X[ 7] + 0xa953fd4e, 6) + b; e = RL(e, 10); |
| b = RL(b + f5(c,d,e) + X[12] + 0xa953fd4e, 8) + a; d = RL(d, 10); |
| a = RL(a + f5(b,c,d) + X[ 2] + 0xa953fd4e, 13) + e; c = RL(c, 10); |
| e = RL(e + f5(a,b,c) + X[10] + 0xa953fd4e, 12) + d; b = RL(b, 10); |
| d = RL(d + f5(e,a,b) + X[14] + 0xa953fd4e, 5) + c; a = RL(a, 10); |
| c = RL(c + f5(d,e,a) + X[ 1] + 0xa953fd4e, 12) + b; e = RL(e, 10); |
| b = RL(b + f5(c,d,e) + X[ 3] + 0xa953fd4e, 13) + a; d = RL(d, 10); |
| a = RL(a + f5(b,c,d) + X[ 8] + 0xa953fd4e, 14) + e; c = RL(c, 10); |
| e = RL(e + f5(a,b,c) + X[11] + 0xa953fd4e, 11) + d; b = RL(b, 10); |
| d = RL(d + f5(e,a,b) + X[ 6] + 0xa953fd4e, 8) + c; a = RL(a, 10); |
| c = RL(c + f5(d,e,a) + X[15] + 0xa953fd4e, 5) + b; e = RL(e, 10); |
| b = RL(b + f5(c,d,e) + X[13] + 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 Memoable copy() |
| { |
| return new RIPEMD320Digest(this); |
| } |
| |
| public void reset(Memoable other) |
| { |
| RIPEMD320Digest d = (RIPEMD320Digest)other; |
| |
| doCopy(d); |
| } |
| } |