R1 159 ext/standard/crypt_sha256.c W[t] = R1 (W[t - 2]) + W[t - 7] + R0 (W[t - 15]) + W[t - 16]; R1 185 ext/standard/crypt_sha512.c W[t] = R1 (W[t - 2]) + W[t - 7] + R0 (W[t - 15]) + W[t - 16];