public String Encrypt_CBC(String plainText)
{
SM4Context ctx = new SM4Context();
ctx.isPadding = true;
ctx.mode = SM4.SM4_ENCRYPT;
byte[] keyBytes;
byte[] ivBytes;
if (hexString)
{
keyBytes = Hex.Decode(secretKey);
ivBytes = Hex.Decode(iv);
}
else
{
keyBytes = Encoding.Default.GetBytes(secretKey);
ivBytes = Encoding.Default.GetBytes(iv);
}
SM4 sm4 = new SM4();
sm4.sm4_setkey_enc(ctx, keyBytes);
byte[] encrypted = sm4.sm4_crypt_cbc(ctx, ivBytes, Encoding.Default.GetBytes(plainText));
String cipherText = Encoding.Default.GetString(Hex.Encode(encrypted));
return(cipherText);
}
public byte[] encryptECB(String key, Boolean isPadding, byte[] expectedBytes)
{
SM4Context ctx = new SM4Context();
ctx.isPadding = isPadding;
ctx.mode = SM4.SM4_ENCRYPT;
secretKey = key;
byte[] keyBytes;
if (hexString)
{
keyBytes = Hex.Decode(secretKey);
}
else
{
keyBytes = Encoding.Default.GetBytes(secretKey);
}
SM4 sm4 = new SM4();
sm4.sm4_setkey_enc(ctx, keyBytes);
byte[] encrypted = sm4.sm4_crypt_ecb(ctx, expectedBytes);
return(encrypted);
}