SHR 432 ext/hash/hash_sha.c #define SHA256_F4(x) (ROTR32( 7,(x)) ^ ROTR32(18,(x)) ^ SHR( 3,(x))) SHR 434 ext/hash/hash_sha.c #define SHA256_F5(x) (ROTR32(17,(x)) ^ ROTR32(19,(x)) ^ SHR(10,(x))) SHR 594 ext/hash/hash_sha.c #define SHA512_F4(x) (ROTR64( 1, x) ^ ROTR64( 8, x) ^ SHR(7, x)) SHR 596 ext/hash/hash_sha.c #define SHA512_F5(x) (ROTR64(19, x) ^ ROTR64(61, x) ^ SHR(6, x))