github.com/minio/minio@v0.0.0-20240328213742-3f72439b8a27/internal/config/identity/openid/rsa-sha3_contrib.go (about)

     1  // MinIO Object Storage (c) 2021 MinIO, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  //go:build !fips
    16  // +build !fips
    17  
    18  package openid
    19  
    20  import (
    21  	"crypto"
    22  
    23  	"github.com/golang-jwt/jwt/v4"
    24  
    25  	// Needed for SHA3 to work - See: https://golang.org/src/crypto/crypto.go?s=1034:1288
    26  	_ "golang.org/x/crypto/sha3" // There is no SHA-3 FIPS-140 2 compliant implementation
    27  )
    28  
    29  // Specific instances for RS256 and company
    30  var (
    31  	SigningMethodRS3256 *jwt.SigningMethodRSA
    32  	SigningMethodRS3384 *jwt.SigningMethodRSA
    33  	SigningMethodRS3512 *jwt.SigningMethodRSA
    34  )
    35  
    36  func init() {
    37  	// RS3256
    38  	SigningMethodRS3256 = &jwt.SigningMethodRSA{Name: "RS3256", Hash: crypto.SHA3_256}
    39  	jwt.RegisterSigningMethod(SigningMethodRS3256.Alg(), func() jwt.SigningMethod {
    40  		return SigningMethodRS3256
    41  	})
    42  
    43  	// RS3384
    44  	SigningMethodRS3384 = &jwt.SigningMethodRSA{Name: "RS3384", Hash: crypto.SHA3_384}
    45  	jwt.RegisterSigningMethod(SigningMethodRS3384.Alg(), func() jwt.SigningMethod {
    46  		return SigningMethodRS3384
    47  	})
    48  
    49  	// RS3512
    50  	SigningMethodRS3512 = &jwt.SigningMethodRSA{Name: "RS3512", Hash: crypto.SHA3_512}
    51  	jwt.RegisterSigningMethod(SigningMethodRS3512.Alg(), func() jwt.SigningMethod {
    52  		return SigningMethodRS3512
    53  	})
    54  }