Переход с TDCP_rijndael на Crypto++

AnsiString Cryptor::Encrypt(const AnsiString& src)
{
    AnsiString res = src;
 
    TDCP_rijndael* CryptRijndael = new TDCP_rijndael(0);
    CryptRijndael->Init(sKey.c_str(), 256, sPoint.c_str());
    CryptRijndael->EncryptCBC(res.c_str(), res.c_str(), res.Length());
    delete CryptRijndael;
 
    return res;
}

AnsiString Cryptor::Encrypt(const AnsiString& src)
{
    ////////////////////////////////////////////////////////////
 
    byte key[32], iv[16];
    memset(key, 0x00, 32);
    memset(iv, 0x00, 16);
 
    std::string inputText = src.c_str();
    std::string encryptedText;
    std::string decryptedtext;
 
    strncpy(key, DEFAULT_S_KEY.c_str(), 32);
    strncpy(iv, DEFAULT_S_POINT.c_str(), 16);
 
      // Create Encrypted Text
    AES::Encryption aesEncryption(key, 32);
    CBC_Mode_ExternalCipher::Encryption cbcEncryption(aesEncryption, iv);
 
    StreamTransformationFilter stfEncryptor(cbcEncryption, new StringSink(encryptedText));
    stfEncryptor.Put(reinterpret_cast<const unsigned char*>(inputText.c_str()), inputText.length() + 1);
    stfEncryptor.MessageEnd();
 
    return encryptedText.c_str();
}