1 // Copyright 2018 The CUE Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 // Copyright 2018 The Go Authors. All rights reserved. 16 // Use of this source code is governed by a BSD-style 17 // license that can be found in the LICENSE file. 18 19 package sha512 20 21 import "crypto/sha512" 22 23 const ( 24 // Size is the size, in bytes, of a SHA-512 checksum. 25 Size = 64 26 27 // Size224 is the size, in bytes, of a SHA-512/224 checksum. 28 Size224 = 28 29 30 // Size256 is the size, in bytes, of a SHA-512/256 checksum. 31 Size256 = 32 32 33 // Size384 is the size, in bytes, of a SHA-384 checksum. 34 Size384 = 48 35 36 // BlockSize is the block size, in bytes, of the SHA-512/224, 37 // SHA-512/256, SHA-384 and SHA-512 hash functions. 38 BlockSize = 128 39 ) 40 41 // Sum512 returns the SHA512 checksum of the data. 42 func Sum512(data []byte) []byte { 43 a := sha512.Sum512(data) 44 return a[:] 45 } 46 47 // Sum384 returns the SHA384 checksum of the data. 48 func Sum384(data []byte) (sum384 []byte) { 49 a := sha512.Sum384(data) 50 return a[:] 51 } 52 53 // Sum512_224 returns the Sum512/224 checksum of the data. 54 func Sum512_224(data []byte) (sum224 []byte) { 55 a := sha512.Sum512_224(data) 56 return a[:] 57 } 58 59 // Sum512_256 returns the Sum512/256 checksum of the data. 60 func Sum512_256(data []byte) (sum256 []byte) { 61 a := sha512.Sum512_256(data) 62 return a[:] 63 } 64