// aesdemo.cpp : 定义控制台应用程序的入口点。

//

#include <stdio.h>
#include <tchar.h>
#include <iostream>

#include "aes.h"

using namespace std;

using namespace CryptoPP;

int main()

{

    cout << "aes demo "<< AES::StaticAlgorithmName() << endl;

    unsigned char aesKey[AES::DEFAULT_KEYLENGTH] = "aes"; //密钥

    AESEncryption aesEncryptor; //加密器

    aesEncryptor.SetKey(aesKey, AES::DEFAULT_KEYLENGTH); //设定加密密钥

    char* srcData = "123456789abcdefghi987654321";

    cout << "will be encode:" << srcData << endl;

    unsigned char xorBlock[AES::BLOCKSIZE]; //必须设定为全零

    memset(xorBlock, , AES::BLOCKSIZE); //置零

    unsigned char inBlock[AES::BLOCKSIZE]; //要加密的数据块

    unsigned char outBlock[AES::BLOCKSIZE]; //加密后的密文块

    AESDecryption aesDecryptor;

    aesDecryptor.SetKey(aesKey, AES::DEFAULT_KEYLENGTH);

    unsigned char plainText[AES::BLOCKSIZE];

    int srclen = strlen(srcData);

    char* dstData = (char*)calloc(srclen, sizeof(char));

    int pos = ;

    do

    {

        int relaysize = srclen - pos;

        int cpsize = relaysize > AES::BLOCKSIZE ? AES::BLOCKSIZE : relaysize;

        memset(inBlock, , AES::BLOCKSIZE);

        memset(outBlock, , AES::BLOCKSIZE);

        memset(plainText, , AES::BLOCKSIZE);

        memcpy(inBlock, srcData + pos, cpsize);

        aesEncryptor.ProcessAndXorBlock(inBlock, xorBlock, outBlock); //加密

        aesDecryptor.ProcessAndXorBlock(outBlock, xorBlock, plainText);

        memcpy(dstData + pos, plainText, cpsize);

        pos += cpsize;

    } while (pos < srclen-);

    cout << "after encode and decode :" << dstData << endl;

    free(dstData);

    getchar();

    return ;

}