K_values          146 ext/hash/hash_ripemd.c static const php_hash_uint32 K_values[5]  = { 0x00000000, 0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xA953FD4E };    /* 128, 256, 160, 320 */
K_values          150 ext/hash/hash_ripemd.c #define K(n)  K_values[ (n) >> 4]