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package gm_java
/*
国密算法库 github.com/ZZMarquis/gm/sm2 封装
主要处理Java 版本国密算法
*/
import (
"encoding/base64"
"fmt"
"github.com/ZZMarquis/gm/sm2"
)
//样例 base64Key:FXlrn8jX61JDcBtOOh59yy/sM2r1hBT5XODayZKRDVE=
func ReadPrivateKeyFormBase64(base64Key string) (privKey *sm2.PrivateKey, err error) {
var (
key []byte
)
if key, err = base64.StdEncoding.DecodeString(base64Key); err != nil {
err = fmt.Errorf("ReadPrivateKeyFormBase64 Base64 DecodeString err:%v", err)
return
}
privKey, err = sm2.RawBytesToPrivateKey(key)
return
}
//样例 base64Key:BHa3F+W4YhmWoqa7glAURrU7vijUSNtg+9ZnQREuq/8+6MsGAc7
func ReadPublicKeyFormBase64(base64Key string) (pubKey *sm2.PublicKey, err error) {
var (
key []byte
)
if key, err = base64.StdEncoding.DecodeString(base64Key); err != nil {
err = fmt.Errorf("ReadPublicKeyFormBase64 Base64 DecodeString err:%v", err)
return
}
pubKey, err = sm2.RawBytesToPublicKey(key)
return
}
///SM2 加密
func SM2_Encrypt(pubKey *sm2.PublicKey, in []byte) ([]byte, error) {
return sm2.Encrypt(pubKey, in, sm2.C1C3C2)
}
///SM2 解密
func SM2_Decrypt(privKey *sm2.PrivateKey, in []byte) ([]byte, error) {
return sm2.Decrypt(privKey, in, sm2.C1C3C2)
}