| // Copyright 2022 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. |
| |
| //go:build !purego |
| |
| package sha512 |
| |
| import ( |
| "crypto/internal/fips140deps/cpu" |
| "crypto/internal/impl" |
| ) |
| |
| var useSHA512 = cpu.ARM64HasSHA512 |
| |
| func init() { |
| impl.Register("sha512", "Armv8.2", &useSHA512) |
| } |
| |
| //go:noescape |
| func blockSHA512(dig *Digest, p []byte) |
| |
| func block(dig *Digest, p []byte) { |
| if useSHA512 { |
| blockSHA512(dig, p) |
| } else { |
| blockGeneric(dig, p) |
| } |
| } |