github.com/minio/minio@v0.0.0-20240328213742-3f72439b8a27/cmd/hasher.go (about)

     1  // Copyright (c) 2015-2021 MinIO, Inc.
     2  //
     3  // This file is part of MinIO Object Storage stack
     4  //
     5  // This program is free software: you can redistribute it and/or modify
     6  // it under the terms of the GNU Affero General Public License as published by
     7  // the Free Software Foundation, either version 3 of the License, or
     8  // (at your option) any later version.
     9  //
    10  // This program is distributed in the hope that it will be useful
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13  // GNU Affero General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Affero General Public License
    16  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17  
    18  package cmd
    19  
    20  import (
    21  	"crypto/md5"
    22  	"encoding/hex"
    23  
    24  	"github.com/minio/minio/internal/hash/sha256"
    25  )
    26  
    27  // getSHA256Hash returns SHA-256 hash in hex encoding of given data.
    28  func getSHA256Hash(data []byte) string {
    29  	return hex.EncodeToString(getSHA256Sum(data))
    30  }
    31  
    32  // getSHA256Hash returns SHA-256 sum of given data.
    33  func getSHA256Sum(data []byte) []byte {
    34  	hash := sha256.New()
    35  	hash.Write(data)
    36  	return hash.Sum(nil)
    37  }
    38  
    39  // getMD5Sum returns MD5 sum of given data.
    40  func getMD5Sum(data []byte) []byte {
    41  	hash := md5.New()
    42  	hash.Write(data)
    43  	return hash.Sum(nil)
    44  }
    45  
    46  // getMD5Hash returns MD5 hash in hex encoding of given data.
    47  func getMD5Hash(data []byte) string {
    48  	return hex.EncodeToString(getMD5Sum(data))
    49  }