(x, y, z)
| 222 | # helpers |
| 223 | def F(x, y, z): return (((x) & (y)) | ((~x) & (z))) |
| 224 | def G(x, y, z): return (((x) & (y)) | ((x) & (z)) | ((y) & (z))) |
| 225 | def H(x, y, z): return ((x) ^ (y) ^ (z)) |
| 226 | |
| 227 | def ROL(x, n): return (((x) << n) | ((x) >> (32-n))) |