VC2015完整调用AES加密程序
时间: 2023-10-05 18:08:20 浏览: 74
下面是一个使用VC2015调用AES加密程序的示例:
```c++
#include <windows.h>
#include <iostream>
#include <string>
#include <openssl/aes.h>
#pragma comment(lib, "libeay32.lib") // 需要链接OpenSSL库
using namespace std;
const int AES_KEY_SIZE = 256;
const int AES_BLOCK_SIZE = 128;
int main()
{
// 明文和密钥
string plainText = "This is a test.";
string key = "0123456789abcdef0123456789abcdef";
// 将密钥转换为二进制
unsigned char keyBuffer[AES_KEY_SIZE / 8];
memset(keyBuffer, 0, sizeof(keyBuffer));
for (int i = 0; i < AES_KEY_SIZE / 8; i++)
{
sscanf(key.substr(i * 2, 2).c_str(), "%x", &keyBuffer[i]);
}
// 将明文补齐为16字节的整数倍
int len = plainText.length();
int mod = len % AES_BLOCK_SIZE;
if (mod != 0)
{
plainText.append(AES_BLOCK_SIZE - mod, '\0');
}
// 加密
unsigned char iv[AES_BLOCK_SIZE / 8];
memset(iv, 0, sizeof(iv));
AES_KEY aesKey;
AES_set_encrypt_key(keyBuffer, AES_KEY_SIZE, &aesKey);
AES_cbc_encrypt((const unsigned char*)plainText.c_str(), (unsigned char*)plainText.c_str(), plainText.length(), &aesKey, iv, AES_ENCRYPT);
// 输出密文
for (int i = 0; i < plainText.length(); i++)
{
printf("%02x", (unsigned char)plainText[i]);
}
printf("\n");
return 0;
}
```
注意:此代码示例使用了OpenSSL库进行AES加密,需要在VC2015项目中链接libeay32.lib库。另外,此代码示例仅用于演示如何调用AES加密程序,实际使用时需要加入错误处理等相关代码。