// the gcmAble implementation is in aes_gcm.go.
type aesCipherGCM struct {
	aesCipherAsm
}

var supportsAES = cpu.X86.HasAES || cpu.ARM64.HasAES || goarch.IsPpc64 == 1 || goarch.IsPpc64le == 1
var supportsGFMUL = cpu.X86.HasPCLMULQDQ || cpu.ARM64.HasPMULL

func newCipher(key []byte) (cipher.Block, error) {
	if !supportsAES {
		return newCipherGeneric(key)
	}