1// Copyright 2017 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5//go:build !purego
6
7package sha1
8
9import "internal/cpu"
10
11var k = []uint32{
12	0x5A827999,
13	0x6ED9EBA1,
14	0x8F1BBCDC,
15	0xCA62C1D6,
16}
17
18//go:noescape
19func sha1block(h []uint32, p []byte, k []uint32)
20
21func block(dig *digest, p []byte) {
22	if !cpu.ARM64.HasSHA1 {
23		blockGeneric(dig, p)
24	} else {
25		h := dig.h[:]
26		sha1block(h, p, k)
27	}
28}
29