(t, b, c, d)
| 496 | * iteration |
| 497 | */ |
| 498 | function sha1_ft(t, b, c, d) { |
| 499 | if (t < 20) { return (b & c) | (~b & d); } |
| 500 | if (t < 40) { return b ^ c ^ d; } |
| 501 | if (t < 60) { return (b & c) | (b & d) | (c & d); } |
| 502 | return b ^ c ^ d; |
| 503 | } |
| 504 | |
| 505 | /* |
| 506 | * Determine the appropriate additive constant for the current iteration |
no outgoing calls
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