pkg/crypto/sha256/sha256.go

// Copyright 2018 The CUE Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Copyright 2018 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.

package sha256

import "crypto/sha256"

// The size of a SHA256 checksum in bytes.
const Size = 32

// The size of a SHA224 checksum in bytes.
const Size224 = 28

// The blocksize of SHA256 and SHA224 in bytes.
const BlockSize = 64

// Sum256 returns the SHA256 checksum of the data.
func Sum256(data []byte) []byte {
	a := sha256.Sum256(data)
	return a[:]
}

// Sum224 returns the SHA224 checksum of the data.
func Sum224(data []byte) (sum224 []byte) {
	a := sha256.Sum224(data)
	return a[:]
}