mirror of https://github.com/hashicorp/consul
58 lines
1.8 KiB
Go
58 lines
1.8 KiB
Go
|
// Copyright 2015 The Go Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
package pkcs12
|
||
|
|
|
||
|
|
import (
|
||
|
|
"crypto/x509"
|
||
|
|
"encoding/asn1"
|
||
|
|
"errors"
|
||
|
|
)
|
||
|
|
|
||
|
|
var (
|
||
|
|
// see https://tools.ietf.org/html/rfc7292#appendix-D
|
||
|
|
oidCertTypeX509Certificate = asn1.ObjectIdentifier([]int{1, 2, 840, 113549, 1, 9, 22, 1})
|
||
|
|
oidPKCS8ShroundedKeyBag = asn1.ObjectIdentifier([]int{1, 2, 840, 113549, 1, 12, 10, 1, 2})
|
||
|
|
oidCertBag = asn1.ObjectIdentifier([]int{1, 2, 840, 113549, 1, 12, 10, 1, 3})
|
||
|
|
)
|
||
|
|
|
||
|
|
type certBag struct {
|
||
|
|
Id asn1.ObjectIdentifier
|
||
|
|
Data []byte `asn1:"tag:0,explicit"`
|
||
|
|
}
|
||
|
|
|
||
|
|
func decodePkcs8ShroudedKeyBag(asn1Data, password []byte) (privateKey interface{}, err error) {
|
||
|
|
pkinfo := new(encryptedPrivateKeyInfo)
|
||
|
|
if err = unmarshal(asn1Data, pkinfo); err != nil {
|
||
|
|
return nil, errors.New("pkcs12: error decoding PKCS#8 shrouded key bag: " + err.Error())
|
||
|
|
}
|
||
|
|
|
||
|
|
pkData, err := pbDecrypt(pkinfo, password)
|
||
|
|
if err != nil {
|
||
|
|
return nil, errors.New("pkcs12: error decrypting PKCS#8 shrouded key bag: " + err.Error())
|
||
|
|
}
|
||
|
|
|
||
|
|
ret := new(asn1.RawValue)
|
||
|
|
if err = unmarshal(pkData, ret); err != nil {
|
||
|
|
return nil, errors.New("pkcs12: error unmarshaling decrypted private key: " + err.Error())
|
||
|
|
}
|
||
|
|
|
||
|
|
if privateKey, err = x509.ParsePKCS8PrivateKey(pkData); err != nil {
|
||
|
|
return nil, errors.New("pkcs12: error parsing PKCS#8 private key: " + err.Error())
|
||
|
|
}
|
||
|
|
|
||
|
|
return privateKey, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func decodeCertBag(asn1Data []byte) (x509Certificates []byte, err error) {
|
||
|
|
bag := new(certBag)
|
||
|
|
if err := unmarshal(asn1Data, bag); err != nil {
|
||
|
|
return nil, errors.New("pkcs12: error decoding cert bag: " + err.Error())
|
||
|
|
}
|
||
|
|
if !bag.Id.Equal(oidCertTypeX509Certificate) {
|
||
|
|
return nil, NotImplementedError("only X509 certificates are supported")
|
||
|
|
}
|
||
|
|
return bag.Data, nil
|
||
|
|
}
|