| // 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) | |
| } | |
| } | |