#if 0
#include <stdio.h>

#include <iostream>
#include <fstream>
#include <sstream>

#include <cryptopp/aes.h>
#include <cryptopp/filters.h>
#include <cryptopp/modes.h>

using namespace std;

byte key[ CryptoPP::AES::DEFAULT_KEYLENGTH ], iv[ CryptoPP::AES::BLOCKSIZE];

void initKV()
{
    memset( key, 0x00, CryptoPP::AES::DEFAULT_KEYLENGTH );
    memset( iv, 0x00, CryptoPP::AES::BLOCKSIZE );

    // 或者也可以
    /*
    char tmpK[] = "1234567890123456";
    char tmpIV[] = "1234567890123456";
    for (int j = 0; j < CryptoPP::AES::DEFAULT_KEYLENGTH; ++j)
    {
        key[j] = tmpK[j];
    }
    for (int i = 0; i < CryptoPP::AES::BLOCKSIZE; ++i)
    {
        iv[i] = tmpIV[i];
    }
    */
}

string encrypt(string plainText)
{
    string cipherText;

    //
    CryptoPP::AES::Encryption aesEncryption(key, CryptoPP::AES::DEFAULT_KEYLENGTH);
    CryptoPP::CBC_Mode_ExternalCipher::Encryption cbcEncryption( aesEncryption, iv );
    CryptoPP::StreamTransformationFilter stfEncryptor(cbcEncryption, new CryptoPP::StringSink( cipherText ));
    stfEncryptor.Put( reinterpret_cast<const unsigned char*>( plainText.c_str() ), plainText.length() + 1 );
    stfEncryptor.MessageEnd();

    string cipherTextHex;
    for( int i = 0; i < cipherText.size(); i++ )
    {
        char ch[3] = {0};
        sprintf(ch, "%02x",  static_cast<byte>(cipherText[i]));
        cipherTextHex += ch;
    }

    return cipherTextHex;
}



void writeCipher(string output)
{
    ofstream out("/tmp/cipher.data");
    out.write(output.c_str(), output.length());
    out.close();

    cout<<"writeCipher finish "<<endl<<endl;
}



int main()
{
    string text = "hello zhuzhu dashen !";
    cout<<"text : "<<text<<endl;

    initKV();
    string cipherHex = encrypt(text);
    cout<<"cipher : "<<cipherHex<<endl;
    writeCipher(cipherHex);

    return 0;
}
#endif