Function Round

src/crypto/sha1.cpp:18–22

One round of SHA-1. */

{
/** One round of SHA-1. */
void inline Round(uint32_t a, uint32_t& b, uint32_t c, uint32_t d, uint32_t& e, uint32_t f, uint32_t k, uint32_t w)
{
    e += ((a << 5) | (a >> 27)) + f + k + w;
    b = (b << 30) | (b >> 2);
}

uint32_t inline f1(uint32_t b, uint32_t c, uint32_t d) { return d ^ (b & (c ^ d)); }
uint32_t inline f2(uint32_t b, uint32_t c, uint32_t d) { return b ^ c ^ d; }