storj.io/minio@v0.0.0-20230509071714-0cbc90f649b1/cmd/hasher.go (about)

     1  /*
     2   * MinIO Cloud Storage, (C) 2016 MinIO, Inc.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package cmd
    18  
    19  import (
    20  	"crypto/md5"
    21  	"crypto/sha256"
    22  	"encoding/hex"
    23  )
    24  
    25  // getSHA256Hash returns SHA-256 hash in hex encoding of given data.
    26  func getSHA256Hash(data []byte) string {
    27  	return hex.EncodeToString(getSHA256Sum(data))
    28  }
    29  
    30  // getSHA256Hash returns SHA-256 sum of given data.
    31  func getSHA256Sum(data []byte) []byte {
    32  	hash := sha256.New()
    33  	hash.Write(data)
    34  	return hash.Sum(nil)
    35  }
    36  
    37  // getMD5Sum returns MD5 sum of given data.
    38  func getMD5Sum(data []byte) []byte {
    39  	hash := md5.New()
    40  	hash.Write(data)
    41  	return hash.Sum(nil)
    42  }
    43  
    44  // getMD5Hash returns MD5 hash in hex encoding of given data.
    45  func getMD5Hash(data []byte) string {
    46  	return hex.EncodeToString(getMD5Sum(data))
    47  }