// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package sha256
import "internal/cpu"
var k = _K
//go:noescape
func sha256block(h []uint32, p []byte, k []uint32)
func block(dig *digest, p []byte) {
if !cpu.ARM64.HasSHA2 {
blockGeneric(dig, p)
} else {
h := dig.h[:]
sha256block(h, p, k)
}
}