forked from bryanicer/fabric-sdk-go-gm
/
keyimport.go
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/
keyimport.go
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/*
Copyright IBM Corp. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
/*
Notice: This file has been modified for Hyperledger Fabric SDK Go usage.
Please review third_party pinning scripts and patches for more details.
*/
package sw
import (
"crypto/ecdsa"
"github.com/cetcxinlian/cryptogm/x509"
"errors"
"fmt"
"github.com/cetcxinlian/cryptogm/sm2"
"reflect"
"github.com/hyperledger/fabric-sdk-go/internal/github.com/hyperledger/fabric/bccsp"
"github.com/hyperledger/fabric-sdk-go/internal/github.com/hyperledger/fabric/bccsp/utils"
)
type aes256ImportKeyOptsKeyImporter struct{}
func (*aes256ImportKeyOptsKeyImporter) KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (bccsp.Key, error) {
aesRaw, ok := raw.([]byte)
if !ok {
return nil, errors.New("Invalid raw material. Expected byte array.")
}
if aesRaw == nil {
return nil, errors.New("Invalid raw material. It must not be nil.")
}
if len(aesRaw) != 32 {
return nil, fmt.Errorf("Invalid Key Length [%d]. Must be 32 bytes", len(aesRaw))
}
return &aesPrivateKey{aesRaw, false}, nil
}
type hmacImportKeyOptsKeyImporter struct{}
func (*hmacImportKeyOptsKeyImporter) KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (bccsp.Key, error) {
aesRaw, ok := raw.([]byte)
if !ok {
return nil, errors.New("Invalid raw material. Expected byte array.")
}
if len(aesRaw) == 0 {
return nil, errors.New("Invalid raw material. It must not be nil.")
}
return &aesPrivateKey{aesRaw, false}, nil
}
type ecdsaPKIXPublicKeyImportOptsKeyImporter struct{}
func (*ecdsaPKIXPublicKeyImportOptsKeyImporter) KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (bccsp.Key, error) {
der, ok := raw.([]byte)
if !ok {
return nil, errors.New("Invalid raw material. Expected byte array.")
}
if len(der) == 0 {
return nil, errors.New("Invalid raw. It must not be nil.")
}
lowLevelKey, err := derToPublicKey(der)
if err != nil {
return nil, fmt.Errorf("Failed converting PKIX to ECDSA public key [%s]", err)
}
ecdsaPK, ok := lowLevelKey.(*ecdsa.PublicKey)
if !ok {
return nil, errors.New("Failed casting to ECDSA public key. Invalid raw material.")
}
return &ecdsaPublicKey{ecdsaPK}, nil
}
type ecdsaPrivateKeyImportOptsKeyImporter struct{}
func (*ecdsaPrivateKeyImportOptsKeyImporter) KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (bccsp.Key, error) {
der, ok := raw.([]byte)
if !ok {
return nil, errors.New("[ECDSADERPrivateKeyImportOpts] Invalid raw material. Expected byte array.")
}
if len(der) == 0 {
return nil, errors.New("[ECDSADERPrivateKeyImportOpts] Invalid raw. It must not be nil.")
}
lowLevelKey, err := derToPrivateKey(der)
if err != nil {
return nil, fmt.Errorf("Failed converting PKIX to ECDSA public key [%s]", err)
}
ecdsaSK, ok := lowLevelKey.(*ecdsa.PrivateKey)
if !ok {
return nil, errors.New("Failed casting to ECDSA private key. Invalid raw material.")
}
return &ecdsaPrivateKey{ecdsaSK, true}, nil
}
type ecdsaGoPublicKeyImportOptsKeyImporter struct{}
func (*ecdsaGoPublicKeyImportOptsKeyImporter) KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (bccsp.Key, error) {
lowLevelKey, ok := raw.(*ecdsa.PublicKey)
if !ok {
return nil, errors.New("Invalid raw material. Expected *ecdsa.PublicKey.")
}
return &ecdsaPublicKey{lowLevelKey}, nil
}
type x509PublicKeyImportOptsKeyImporter struct {
bccsp *CSP
}
func (ki *x509PublicKeyImportOptsKeyImporter) KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (bccsp.Key, error) {
x509Cert, ok := raw.(*x509.Certificate)
if !ok {
return nil, errors.New("Invalid raw material. Expected *x509.Certificate.")
}
pk := x509Cert.PublicKey
switch pk.(type) {
case *ecdsa.PublicKey:
return ki.bccsp.KeyImporters[reflect.TypeOf(&bccsp.ECDSAGoPublicKeyImportOpts{})].KeyImport(
pk,
&bccsp.ECDSAGoPublicKeyImportOpts{Temporary: opts.Ephemeral()})
case *sm2.PublicKey:
return ki.bccsp.KeyImporters[reflect.TypeOf(&bccsp.SM2GoPublicKeyImportOpts{})].KeyImport(
pk.(*sm2.PublicKey), &bccsp.SM2GoPublicKeyImportOpts{Temporary: opts.Ephemeral()})
default:
return nil, errors.New("Certificate's public key type not recognized. Supported keys: [ECDSA]")
}
}
type sm2PKIXPublicKeyImportOptsKeyImporter struct{}
func (*sm2PKIXPublicKeyImportOptsKeyImporter) KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (bccsp.Key, error) {
der, ok := raw.([]byte)
if !ok {
return nil, errors.New("Invalid raw material. Expected byte array.")
}
if len(der) == 0 {
return nil, errors.New("Invalid raw. It must not be nil.")
}
lowLevelKey, err := utils.DERToPublicKey(der)
if err != nil {
return nil, fmt.Errorf("Failed converting PKIX to sm2 public key [%s]", err)
}
sm2PK, ok := lowLevelKey.(*sm2.PublicKey)
if !ok {
return nil, errors.New("Failed casting to sm2 public key. Invalid raw material.")
}
return &sm2PublicKey{sm2PK}, nil
}
type sm2PrivateKeyImportOptsKeyImporter struct{}
func (*sm2PrivateKeyImportOptsKeyImporter) KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (bccsp.Key, error) {
der, ok := raw.([]byte)
if !ok {
return nil, errors.New("[sm2DERPrivateKeyImportOpts] Invalid raw material. Expected byte array.")
}
if len(der) == 0 {
return nil, errors.New("[sm2DERPrivateKeyImportOpts] Invalid raw. It must not be nil.")
}
lowLevelKey, err := utils.DERToPrivateKey(der)
if err != nil {
return nil, fmt.Errorf("Failed converting PKIX to sm2 public key [%s]", err)
}
sm2SK, ok := lowLevelKey.(*sm2.PrivateKey)
if !ok {
return nil, errors.New("Failed casting to sm2 private key. Invalid raw material.")
}
return &sm2PrivateKey{sm2SK}, nil
}
type sm2GoPublicKeyImportOptsKeyImporter struct{}
func (*sm2GoPublicKeyImportOptsKeyImporter) KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (bccsp.Key, error) {
lowLevelKey, ok := raw.(*sm2.PublicKey)
if !ok {
return nil, errors.New("Invalid raw material. Expected *sm2.PublicKey.")
}
return &sm2PublicKey{lowLevelKey}, nil
}