/
keyimport.go
169 lines (133 loc) · 5 KB
/
keyimport.go
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package gm
import (
"crypto/ecdsa"
"errors"
"fmt"
"reflect"
"github.com/Caoyitong/fabric_whuscser001/bccsp"
"github.com/Caoyitong/fabric_whuscser001/bccsp/utils"
"github.com/tjfoc/gmsm/sm2"
)
type gmsm4ImportKeyOptsKeyImporter struct{}
func (*gmsm4ImportKeyOptsKeyImporter) KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (k bccsp.Key, err error) {
sm4Raw, ok := raw.([]byte)
if !ok {
return nil, errors.New("Invalid raw material. Expected byte array.")
}
if sm4Raw == nil {
return nil, errors.New("Invalid raw material. It must not be nil.")
}
return &gmsm4PrivateKey{utils.Clone(sm4Raw), false}, nil
}
type gmsm2PrivateKeyImportOptsKeyImporter struct{}
func (*gmsm2PrivateKeyImportOptsKeyImporter) KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (k bccsp.Key, err error) {
der, ok := raw.([]byte)
if !ok {
return nil, errors.New("[GMSM2PrivateKeyImportOpts] Invalid raw material. Expected byte array.")
}
if len(der) == 0 {
return nil, errors.New("[GMSM2PrivateKeyImportOpts] Invalid raw. It must not be nil.")
}
gmsm2SK, err := sm2.ParsePKCS8UnecryptedPrivateKey(der)
if err != nil {
return nil, fmt.Errorf("Failed converting to GMSM2 private key [%s]", err)
}
return &gmsm2PrivateKey{gmsm2SK}, nil
}
type gmsm2PublicKeyImportOptsKeyImporter struct{}
func (*gmsm2PublicKeyImportOptsKeyImporter) KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (k bccsp.Key, err error) {
der, ok := raw.([]byte)
if !ok {
return nil, errors.New("[GMSM2PublicKeyImportOpts] Invalid raw material. Expected byte array.")
}
if len(der) == 0 {
return nil, errors.New("[GMSM2PublicKeyImportOpts] Invalid raw. It must not be nil.")
}
gmsm2SK, err := sm2.ParseSm2PublicKey(der)
if err != nil {
return nil, fmt.Errorf("Failed converting to GMSM2 public key [%s]", err)
}
return &gmsm2PublicKey{gmsm2SK}, nil
}
type x509PublicKeyImportOptsKeyImporter struct {
bccsp *impl
}
type ecdsaGoPublicKeyImportOptsKeyImporter struct{}
func (*ecdsaGoPublicKeyImportOptsKeyImporter) KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (k bccsp.Key, err error) {
lowLevelKey, ok := raw.(*ecdsa.PublicKey)
if !ok {
return nil, errors.New("Invalid raw material. Expected *ecdsa.PublicKey.")
}
return &ecdsaPublicKey{lowLevelKey}, nil
}
type ecdsaPrivateKeyImportOptsKeyImporter struct{}
func (*ecdsaPrivateKeyImportOptsKeyImporter) KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (k bccsp.Key, err 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 := utils.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}, nil
}
type ecdsaPKIXPublicKeyImportOptsKeyImporter struct{}
func (*ecdsaPKIXPublicKeyImportOptsKeyImporter) KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (k bccsp.Key, err 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 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
}
func (ki *x509PublicKeyImportOptsKeyImporter) KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (k bccsp.Key, err error) {
sm2Cert, ok := raw.(*sm2.Certificate)
if !ok {
return nil, errors.New("Invalid raw material. Expected *x509.Certificate.")
}
pk := sm2Cert.PublicKey
switch pk.(type) {
case sm2.PublicKey:
fmt.Printf("bccsp gm keyimport pk is sm2.PublicKey")
sm2PublickKey, ok := pk.(sm2.PublicKey)
if !ok {
return nil, errors.New("Parse interface [] to sm2 pk error")
}
der, err := sm2.MarshalSm2PublicKey(&sm2PublickKey)
if err != nil {
return nil, errors.New("MarshalSm2PublicKey error")
}
return ki.bccsp.keyImporters[reflect.TypeOf(&bccsp.GMSM2PublicKeyImportOpts{})].KeyImport(
der,
&bccsp.GMSM2PublicKeyImportOpts{Temporary: opts.Ephemeral()})
case *sm2.PublicKey:
fmt.Printf("bccsp gm keyimport pk is *sm2.PublicKey")
return ki.bccsp.keyImporters[reflect.TypeOf(&bccsp.GMSM2PublicKeyImportOpts{})].KeyImport(
pk,
&bccsp.GMSM2PublicKeyImportOpts{Temporary: opts.Ephemeral()})
case *ecdsa.PublicKey:
return ki.bccsp.keyImporters[reflect.TypeOf(&bccsp.ECDSAGoPublicKeyImportOpts{})].KeyImport(
pk,
&bccsp.ECDSAGoPublicKeyImportOpts{Temporary: opts.Ephemeral()})
default:
return nil, errors.New("Certificate's public key type not recognized. Supported keys: [GMSM2]")
}
}