Perform a RIPEMD-160 transformation, processing a 64-byte chunk. */
| 52 | |
| 53 | /** Perform a RIPEMD-160 transformation, processing a 64-byte chunk. */ |
| 54 | void Transform(uint32_t* s, const unsigned char* chunk) |
| 55 | { |
| 56 | uint32_t a1 = s[0], b1 = s[1], c1 = s[2], d1 = s[3], e1 = s[4]; |
| 57 | uint32_t a2 = a1, b2 = b1, c2 = c1, d2 = d1, e2 = e1; |
| 58 | uint32_t w0 = ReadLE32(chunk + 0), w1 = ReadLE32(chunk + 4), w2 = ReadLE32(chunk + 8), w3 = ReadLE32(chunk + 12); |
| 59 | uint32_t w4 = ReadLE32(chunk + 16), w5 = ReadLE32(chunk + 20), w6 = ReadLE32(chunk + 24), w7 = ReadLE32(chunk + 28); |
| 60 | uint32_t w8 = ReadLE32(chunk + 32), w9 = ReadLE32(chunk + 36), w10 = ReadLE32(chunk + 40), w11 = ReadLE32(chunk + 44); |
| 61 | uint32_t w12 = ReadLE32(chunk + 48), w13 = ReadLE32(chunk + 52), w14 = ReadLE32(chunk + 56), w15 = ReadLE32(chunk + 60); |
| 62 | |
| 63 | R11(a1, b1, c1, d1, e1, w0, 11); |
| 64 | R12(a2, b2, c2, d2, e2, w5, 8); |
| 65 | R11(e1, a1, b1, c1, d1, w1, 14); |
| 66 | R12(e2, a2, b2, c2, d2, w14, 9); |
| 67 | R11(d1, e1, a1, b1, c1, w2, 15); |
| 68 | R12(d2, e2, a2, b2, c2, w7, 9); |
| 69 | R11(c1, d1, e1, a1, b1, w3, 12); |
| 70 | R12(c2, d2, e2, a2, b2, w0, 11); |
| 71 | R11(b1, c1, d1, e1, a1, w4, 5); |
| 72 | R12(b2, c2, d2, e2, a2, w9, 13); |
| 73 | R11(a1, b1, c1, d1, e1, w5, 8); |
| 74 | R12(a2, b2, c2, d2, e2, w2, 15); |
| 75 | R11(e1, a1, b1, c1, d1, w6, 7); |
| 76 | R12(e2, a2, b2, c2, d2, w11, 15); |
| 77 | R11(d1, e1, a1, b1, c1, w7, 9); |
| 78 | R12(d2, e2, a2, b2, c2, w4, 5); |
| 79 | R11(c1, d1, e1, a1, b1, w8, 11); |
| 80 | R12(c2, d2, e2, a2, b2, w13, 7); |
| 81 | R11(b1, c1, d1, e1, a1, w9, 13); |
| 82 | R12(b2, c2, d2, e2, a2, w6, 7); |
| 83 | R11(a1, b1, c1, d1, e1, w10, 14); |
| 84 | R12(a2, b2, c2, d2, e2, w15, 8); |
| 85 | R11(e1, a1, b1, c1, d1, w11, 15); |
| 86 | R12(e2, a2, b2, c2, d2, w8, 11); |
| 87 | R11(d1, e1, a1, b1, c1, w12, 6); |
| 88 | R12(d2, e2, a2, b2, c2, w1, 14); |
| 89 | R11(c1, d1, e1, a1, b1, w13, 7); |
| 90 | R12(c2, d2, e2, a2, b2, w10, 14); |
| 91 | R11(b1, c1, d1, e1, a1, w14, 9); |
| 92 | R12(b2, c2, d2, e2, a2, w3, 12); |
| 93 | R11(a1, b1, c1, d1, e1, w15, 8); |
| 94 | R12(a2, b2, c2, d2, e2, w12, 6); |
| 95 | |
| 96 | R21(e1, a1, b1, c1, d1, w7, 7); |
| 97 | R22(e2, a2, b2, c2, d2, w6, 9); |
| 98 | R21(d1, e1, a1, b1, c1, w4, 6); |
| 99 | R22(d2, e2, a2, b2, c2, w11, 13); |
| 100 | R21(c1, d1, e1, a1, b1, w13, 8); |
| 101 | R22(c2, d2, e2, a2, b2, w3, 15); |
| 102 | R21(b1, c1, d1, e1, a1, w1, 13); |
| 103 | R22(b2, c2, d2, e2, a2, w7, 7); |
| 104 | R21(a1, b1, c1, d1, e1, w10, 11); |
| 105 | R22(a2, b2, c2, d2, e2, w0, 12); |
| 106 | R21(e1, a1, b1, c1, d1, w6, 9); |
| 107 | R22(e2, a2, b2, c2, d2, w13, 8); |
| 108 | R21(d1, e1, a1, b1, c1, w15, 7); |
| 109 | R22(d2, e2, a2, b2, c2, w5, 9); |
| 110 | R21(c1, d1, e1, a1, b1, w3, 15); |
| 111 | R22(c2, d2, e2, a2, b2, w10, 11); |