Source file src/crypto/sha1/sha1block_arm64.go

Documentation: crypto/sha1

     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  
     7  package sha1
     8  
     9  import "internal/cpu"
    10  
    11  var k = []uint32{
    12  	0x5A827999,
    13  	0x6ED9EBA1,
    14  	0x8F1BBCDC,
    15  	0xCA62C1D6,
    16  }
    17  
    18  //go:noescape
    19  func sha1block(h []uint32, p []byte, k []uint32)
    20  
    21  func 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  

View as plain text