for cipher message instruction key []byte // key (128, 192 or 256 bits) storage [32]byte // array backing key slice fallback *blockExpanded } // cryptBlocks invokes the cipher message (KM) instruction with // the given function code. This is equivalent to AES in ECB // mode. The length must be a multiple of BlockSize (16). // //go:noescape func cryptBlocks(c code, key, dst, src *byte, length int) var supportsAES = cpu.S390XHasAES && cpu.S390XHasAESCBC func init() { // CP Assist for Cryptographic Functions...