sm2 自定义密钥加密解密问题 about gmsm HOT 1 CLOSED

func TestZyTool(t *testing.T) {
	cipherBytes, _ := hex.DecodeString("045EE0E5D18118C3CE85B8E7E25EF128E5A744CFF45D01A045114BB47C38BB5075F6AC6A885382C601882F5430FE10F7D11394511A93D86CFFCD1F39A0F30E803618672BE57E5F0763DEE53179C80C6DE4D5579B7C2048F061E3810AADF15850DF6C7FBF8EFD7536E554DA4A")
	bytes, _ := hex.DecodeString("4e85afbc996fdc67b4f05880bd9c0d037932649215ae10cf7085720b6571054c")
	d := new(big.Int).SetBytes(bytes)
	// Create private key from *big.Int
	priv := new(PrivateKey)
	priv.Curve = P256()
	priv.D = d
	priv.PublicKey.X, priv.PublicKey.Y = priv.ScalarBaseMult(priv.D.Bytes())
	plaintext, err := priv.Decrypt(rand.Reader, cipherBytes, nil)
	if err != nil {
		t.Fatal(err)
	}
	if string(plaintext) != "hello world" {
		t.Errorf("expected hello world, got %v", string(plaintext))		
	}
}