minio/cmd/hasher.go
Harshavardhana 3145462ad2 Return InvalidDigest when md5 sent by client is invalid (#5654)
This is to ensure proper compatibility with AWS S3, handle
special cases where

- Content-Md5 is set to empty
- Content-Md5 is set to invalid
2018-03-16 11:22:34 -07:00

55 lines
1.5 KiB
Go

/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* 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.
*/
package cmd
import (
"crypto/md5"
"encoding/base64"
"encoding/hex"
"github.com/minio/sha256-simd"
)
// getSHA256Hash returns SHA-256 hash in hex encoding of given data.
func getSHA256Hash(data []byte) string {
return hex.EncodeToString(getSHA256Sum(data))
}
// getSHA256Hash returns SHA-256 sum of given data.
func getSHA256Sum(data []byte) []byte {
hash := sha256.New()
hash.Write(data)
return hash.Sum(nil)
}
// getMD5Sum returns MD5 sum of given data.
func getMD5Sum(data []byte) []byte {
hash := md5.New()
hash.Write(data)
return hash.Sum(nil)
}
// getMD5Hash returns MD5 hash in hex encoding of given data.
func getMD5Hash(data []byte) string {
return hex.EncodeToString(getMD5Sum(data))
}
// getMD5HashBase64 returns MD5 hash in base64 encoding of given data.
func getMD5HashBase64(data []byte) string {
return base64.StdEncoding.EncodeToString(getMD5Sum(data))
}