75 lines
1.7 KiB
Go
75 lines
1.7 KiB
Go
|
/*-
|
||
|
* Copyright 2014 Square 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 main
|
||
|
|
||
|
import (
|
||
|
"crypto/x509"
|
||
|
"encoding/pem"
|
||
|
"fmt"
|
||
|
)
|
||
|
|
||
|
// LoadPublicKey loads a public key from PEM/DER-encoded data.
|
||
|
func LoadPublicKey(data []byte) (interface{}, error) {
|
||
|
input := data
|
||
|
|
||
|
block, _ := pem.Decode(data)
|
||
|
if block != nil {
|
||
|
input = block.Bytes
|
||
|
}
|
||
|
|
||
|
// Try to load SubjectPublicKeyInfo
|
||
|
pub, err0 := x509.ParsePKIXPublicKey(input)
|
||
|
if err0 == nil {
|
||
|
return pub, nil
|
||
|
}
|
||
|
|
||
|
cert, err1 := x509.ParseCertificate(input)
|
||
|
if err1 == nil {
|
||
|
return cert.PublicKey, nil
|
||
|
}
|
||
|
|
||
|
return nil, fmt.Errorf("square/go-jose: parse error, got '%s' and '%s'", err0, err1)
|
||
|
}
|
||
|
|
||
|
// LoadPrivateKey loads a private key from PEM/DER-encoded data.
|
||
|
func LoadPrivateKey(data []byte) (interface{}, error) {
|
||
|
input := data
|
||
|
|
||
|
block, _ := pem.Decode(data)
|
||
|
if block != nil {
|
||
|
input = block.Bytes
|
||
|
}
|
||
|
|
||
|
var priv interface{}
|
||
|
priv, err0 := x509.ParsePKCS1PrivateKey(input)
|
||
|
if err0 == nil {
|
||
|
return priv, nil
|
||
|
}
|
||
|
|
||
|
priv, err1 := x509.ParsePKCS8PrivateKey(input)
|
||
|
if err1 == nil {
|
||
|
return priv, nil
|
||
|
}
|
||
|
|
||
|
priv, err2 := x509.ParseECPrivateKey(input)
|
||
|
if err2 == nil {
|
||
|
return priv, nil
|
||
|
}
|
||
|
|
||
|
return nil, fmt.Errorf("square/go-jose: parse error, got '%s', '%s' and '%s'", err0, err1, err2)
|
||
|
}
|