public void Sm4Vector1()
{
var key = new byte[] { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 };
var expected = new byte[] { 0x68, 0x1e, 0xdf, 0x34, 0xd2, 0x06, 0x96, 0x5e, 0x86, 0xb3, 0xe9, 0x4f, 0x53, 0x6e, 0x42, 0x46 };
var enc = new SM4Transform(key, false);
var dec = new SM4Transform(key, true);
var cipherText = enc.TransformFinalBlock(key, 0, key.Length);
Assert.Equal(expected.AsEnumerable(), cipherText);
var plaintext = dec.TransformFinalBlock(cipherText, 0, cipherText.Length);
Assert.Equal(key.AsEnumerable(), plaintext);
}
private ICryptoTransform CreateXfrm(byte[] rgbKey, byte[] rgbIV, bool decrypt)
{
ICryptoTransform xfrm = new SM4Transform(rgbKey, decrypt);
switch (Mode)
{
case CipherMode.ECB:
break;
case CipherMode.CBC:
xfrm = new CbcTransform(xfrm, rgbIV, decrypt);
break;
default:
throw new NotSupportedException("Only CBC/ECB is supported");
}
switch (PaddingValue)
{
case PaddingMode.None:
break;
case PaddingMode.PKCS7:
#pragma warning disable 618
case PaddingTransform.Iso10126:
case PaddingTransform.AnsiX923:
#pragma warning restore 618
xfrm = new PaddingTransform(xfrm, PaddingValue, decrypt);
break;
case PaddingMode.Zeros:
xfrm = new ZerosPaddingTransform(xfrm, decrypt);
break;
default:
throw new NotSupportedException("Only PKCS#7 padding is supported");
}
return(xfrm);
}
