- word32 A, B, C, D, E; /* Local vars */
- word32 eData[ 16 ]; /* Expanded data */
-
- /* Set up first buffer and local data buffer */
- A = digest[ 0 ];
- B = digest[ 1 ];
- C = digest[ 2 ];
- D = digest[ 3 ];
- E = digest[ 4 ];
- memcpy( eData, data, 16*sizeof(word32));
-
- /* Heavy mangling, in 4 sub-rounds of 20 iterations each. */
- subRound( A, B, C, D, E, f1, K1, eData[ 0 ] );
- subRound( E, A, B, C, D, f1, K1, eData[ 1 ] );
- subRound( D, E, A, B, C, f1, K1, eData[ 2 ] );
- subRound( C, D, E, A, B, f1, K1, eData[ 3 ] );
- subRound( B, C, D, E, A, f1, K1, eData[ 4 ] );
- subRound( A, B, C, D, E, f1, K1, eData[ 5 ] );
- subRound( E, A, B, C, D, f1, K1, eData[ 6 ] );
- subRound( D, E, A, B, C, f1, K1, eData[ 7 ] );
- subRound( C, D, E, A, B, f1, K1, eData[ 8 ] );
- subRound( B, C, D, E, A, f1, K1, eData[ 9 ] );
- subRound( A, B, C, D, E, f1, K1, eData[ 10 ] );
- subRound( E, A, B, C, D, f1, K1, eData[ 11 ] );
- subRound( D, E, A, B, C, f1, K1, eData[ 12 ] );
- subRound( C, D, E, A, B, f1, K1, eData[ 13 ] );
- subRound( B, C, D, E, A, f1, K1, eData[ 14 ] );
- subRound( A, B, C, D, E, f1, K1, eData[ 15 ] );
- subRound( E, A, B, C, D, f1, K1, expand( eData, 16 ) );
- subRound( D, E, A, B, C, f1, K1, expand( eData, 17 ) );
- subRound( C, D, E, A, B, f1, K1, expand( eData, 18 ) );
- subRound( B, C, D, E, A, f1, K1, expand( eData, 19 ) );
-
- subRound( A, B, C, D, E, f2, K2, expand( eData, 20 ) );
- subRound( E, A, B, C, D, f2, K2, expand( eData, 21 ) );
- subRound( D, E, A, B, C, f2, K2, expand( eData, 22 ) );
- subRound( C, D, E, A, B, f2, K2, expand( eData, 23 ) );
- subRound( B, C, D, E, A, f2, K2, expand( eData, 24 ) );
- subRound( A, B, C, D, E, f2, K2, expand( eData, 25 ) );
- subRound( E, A, B, C, D, f2, K2, expand( eData, 26 ) );
- subRound( D, E, A, B, C, f2, K2, expand( eData, 27 ) );
- subRound( C, D, E, A, B, f2, K2, expand( eData, 28 ) );
- subRound( B, C, D, E, A, f2, K2, expand( eData, 29 ) );
- subRound( A, B, C, D, E, f2, K2, expand( eData, 30 ) );
- subRound( E, A, B, C, D, f2, K2, expand( eData, 31 ) );
- subRound( D, E, A, B, C, f2, K2, expand( eData, 32 ) );
- subRound( C, D, E, A, B, f2, K2, expand( eData, 33 ) );
- subRound( B, C, D, E, A, f2, K2, expand( eData, 34 ) );
- subRound( A, B, C, D, E, f2, K2, expand( eData, 35 ) );
- subRound( E, A, B, C, D, f2, K2, expand( eData, 36 ) );
- subRound( D, E, A, B, C, f2, K2, expand( eData, 37 ) );
- subRound( C, D, E, A, B, f2, K2, expand( eData, 38 ) );
- subRound( B, C, D, E, A, f2, K2, expand( eData, 39 ) );
-
- subRound( A, B, C, D, E, f3, K3, expand( eData, 40 ) );
- subRound( E, A, B, C, D, f3, K3, expand( eData, 41 ) );
- subRound( D, E, A, B, C, f3, K3, expand( eData, 42 ) );
- subRound( C, D, E, A, B, f3, K3, expand( eData, 43 ) );
- subRound( B, C, D, E, A, f3, K3, expand( eData, 44 ) );
- subRound( A, B, C, D, E, f3, K3, expand( eData, 45 ) );
- subRound( E, A, B, C, D, f3, K3, expand( eData, 46 ) );
- subRound( D, E, A, B, C, f3, K3, expand( eData, 47 ) );
- subRound( C, D, E, A, B, f3, K3, expand( eData, 48 ) );
- subRound( B, C, D, E, A, f3, K3, expand( eData, 49 ) );
- subRound( A, B, C, D, E, f3, K3, expand( eData, 50 ) );
- subRound( E, A, B, C, D, f3, K3, expand( eData, 51 ) );
- subRound( D, E, A, B, C, f3, K3, expand( eData, 52 ) );
- subRound( C, D, E, A, B, f3, K3, expand( eData, 53 ) );
- subRound( B, C, D, E, A, f3, K3, expand( eData, 54 ) );
- subRound( A, B, C, D, E, f3, K3, expand( eData, 55 ) );
- subRound( E, A, B, C, D, f3, K3, expand( eData, 56 ) );
- subRound( D, E, A, B, C, f3, K3, expand( eData, 57 ) );
- subRound( C, D, E, A, B, f3, K3, expand( eData, 58 ) );
- subRound( B, C, D, E, A, f3, K3, expand( eData, 59 ) );
-
- subRound( A, B, C, D, E, f4, K4, expand( eData, 60 ) );
- subRound( E, A, B, C, D, f4, K4, expand( eData, 61 ) );
- subRound( D, E, A, B, C, f4, K4, expand( eData, 62 ) );
- subRound( C, D, E, A, B, f4, K4, expand( eData, 63 ) );
- subRound( B, C, D, E, A, f4, K4, expand( eData, 64 ) );
- subRound( A, B, C, D, E, f4, K4, expand( eData, 65 ) );
- subRound( E, A, B, C, D, f4, K4, expand( eData, 66 ) );
- subRound( D, E, A, B, C, f4, K4, expand( eData, 67 ) );
- subRound( C, D, E, A, B, f4, K4, expand( eData, 68 ) );
- subRound( B, C, D, E, A, f4, K4, expand( eData, 69 ) );
- subRound( A, B, C, D, E, f4, K4, expand( eData, 70 ) );
- subRound( E, A, B, C, D, f4, K4, expand( eData, 71 ) );
- subRound( D, E, A, B, C, f4, K4, expand( eData, 72 ) );
- subRound( C, D, E, A, B, f4, K4, expand( eData, 73 ) );
- subRound( B, C, D, E, A, f4, K4, expand( eData, 74 ) );
- subRound( A, B, C, D, E, f4, K4, expand( eData, 75 ) );
- subRound( E, A, B, C, D, f4, K4, expand( eData, 76 ) );
- subRound( D, E, A, B, C, f4, K4, expand( eData, 77 ) );
- subRound( C, D, E, A, B, f4, K4, expand( eData, 78 ) );
- subRound( B, C, D, E, A, f4, K4, expand( eData, 79 ) );
-
- /* Build message digest */
- digest[ 0 ] += A;
- digest[ 1 ] += B;
- digest[ 2 ] += C;
- digest[ 3 ] += D;
- digest[ 4 ] += E;