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sm2key.go
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sm2key.go
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package cncc
import (
"errors"
"fmt"
"github.com/hyperledger/fabric-sdk-go/internal/github.com/hyperledger/fabric/bccsp"
"github.com/hyperledger/fabric-sdk-go/internal/github.com/tjfoc/gmsm/sm2"
)
/**
* @Author: WeiBingtao/13156050650@163.com
* @Version: 1.0
* @Description:
* @Date: 2020/9/15 上午11:31
*/
/*
Copyright IBM Corp. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
type gmsm2PrivateKey struct {
ski []byte
pubKey gmsm2PublicKey
}
// Bytes converts this key to its byte representation,
// if this operation is allowed.
func (k *gmsm2PrivateKey) Bytes() (raw []byte, err error) {
return nil, errors.New("Not supported.")
}
// SKI returns the subject key identifier of this key.
func (k *gmsm2PrivateKey) SKI() (ski []byte) {
//if k.privKey == nil {
// return nil
//}
////Marshall the public key
//raw := elliptic.Marshal(k.privKey.Curve, k.privKey.PublicKey.X, k.privKey.PublicKey.Y)
//
//// Hash it
//hash := sha256.New()
//hash.Write(raw)
return k.ski
}
// Symmetric returns true if this key is a symmetric key,
// false if this key is asymmetric
func (k *gmsm2PrivateKey) Symmetric() bool {
return false
}
// Private returns true if this key is a private key,
// false otherwise.
func (k *gmsm2PrivateKey) Private() bool {
return true
}
// PublicKey returns the corresponding public key part of an asymmetric public/private key pair.
// This method returns an error in symmetric key schemes.
func (k *gmsm2PrivateKey) PublicKey() (bccsp.Key, error) {
return &k.pubKey, nil
}
type gmsm2PublicKey struct {
ski []byte
pubKey *sm2.PublicKey
}
// Bytes converts this key to its byte representation,
// if this operation is allowed.
func (k *gmsm2PublicKey) Bytes() (raw []byte, err error) {
raw, err = sm2.MarshalSm2PublicKey(k.pubKey)
if err != nil {
return nil, fmt.Errorf("Failed marshalling key [%s]", err)
}
return
}
// SKI returns the subject key identifier of this key.
func (k *gmsm2PublicKey) SKI() (ski []byte) {
//if k.pubKey == nil {
// return nil
//}
//
//// Marshall the public key
//raw := elliptic.Marshal(k.pubKey.Curve, k.pubKey.X, k.pubKey.Y)
//
//// Hash it
//hash := sha256.New()
//hash.Write(raw)
//return hash.Sum(nil)
return k.ski
}
// Symmetric returns true if this key is a symmetric key,
// false if this key is asymmetric
func (k *gmsm2PublicKey) Symmetric() bool {
return false
}
// Private returns true if this key is a private key,
// false otherwise.
func (k *gmsm2PublicKey) Private() bool {
return false
}
// PublicKey returns the corresponding public key part of an asymmetric public/private key pair.
// This method returns an error in symmetric key schemes.
func (k *gmsm2PublicKey) PublicKey() (bccsp.Key, error) {
return k, nil
}