1、sm2
package crypto
import (
"crypto/rand"
"github.com/emmansun/gmsm/sm2"
)
func Sm2Decrypt(priKey, cipherText []byte) (plainText []byte, err error) {
var pK *sm2.PrivateKey
if pK, err = sm2.NewPrivateKey(priKey); err != nil {
return
}
return sm2.Decrypt(pK, cipherText)
}
func Sm2Encrypt(priKey, plainText []byte) (cipherText []byte, err error) {
var pK *sm2.PrivateKey
if pK, err = sm2.NewPrivateKey(priKey); err != nil {
return
}
return sm2.Encrypt(rand.Reader, &pK.PublicKey, plainText, nil)
}
2、sm4 ecb
package crypto
import (
"github.com/emmansun/gmsm/cipher"
"github.com/emmansun/gmsm/padding"
"github.com/emmansun/gmsm/sm4"
)
func Sm4ECBDecrypt(key, data []byte) ([]byte, error) {
c, err := sm4.NewCipher(key)
if err != nil {
return nil, err
}
pkcs7 := padding.NewPKCS7Padding(sm4.BlockSize)
plaintext := make([]byte, len(data))
decrypter := cipher.NewECBDecrypter(c)
decrypter.CryptBlocks(plaintext, data)
return pkcs7.Unpad(plaintext)
}
func Sm4ECBEncrypt(key, data []byte) ([]byte, error) {
c, err := sm4.NewCipher(key)
if err != nil {
return nil, err
}
pkcs7 := padding.NewPKCS7Padding(sm4.BlockSize)
ciphertext := pkcs7.Pad(data)
encrypter := cipher.NewECBEncrypter(c)
encrypter.CryptBlocks(ciphertext, data)
return ciphertext, nil
}
参考：gmsm/cipher/ecb_sm4_test.go at main · emmansun/gmsm (github.com)
标签：return,err,nil,GSSM,sm4,加解密,sm2,byte From： https://www.cnblogs.com/mango1997/p/17974073