github.com/minio/minio@v0.0.0-20240328213742-3f72439b8a27/internal/hash/sha256/sh256_fips.go (about)

     1  // Copyright (c) 2015-2022 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  //go:build fips
    19  // +build fips
    20  
    21  package sha256
    22  
    23  import (
    24  	fipssha256 "crypto/sha256"
    25  	"hash"
    26  )
    27  
    28  // New returns a new hash.Hash computing the SHA256 checksum.
    29  // The SHA256 implementation is FIPS 140-2 compliant when the
    30  // boringcrypto branch of Go is used.
    31  // Ref: https://github.com/golang/go/tree/dev.boringcrypto
    32  func New() hash.Hash { return fipssha256.New() }
    33  
    34  // Sum256 returns the SHA256 checksum of the data.
    35  func Sum256(data []byte) [fipssha256.Size]byte { return fipssha256.Sum256(data) }
    36  
    37  // Size is the size of a SHA256 checksum in bytes.
    38  const Size = fipssha256.Size