参考文章：

首先下载库：

使用vs2017打开cryptest.sln文件，解决方案选择“重订解决方案目标”，升级sdk。 编译库和dll文件 将生成的cryptopp.lib和cryptopp.dll放到项目文件夹，如果单独运行需要将dll文件拷贝到debug文件夹和生成的exe文件放在一起使用。 新建win32 c++控制台程序，工程->配置属性->vc++目录->包含目录，填写cryptopp的目录，需要使用其中的头文件. 编码：

#include "pch.h"#include 
     
      #include 
      
       #include 
       
        #include 
        
         #include 
         
          #include 
          
           #pragma comment(lib, "cryptopp.lib")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
           
            (plainText.c_str()), plainText.length() + 1); stfEncryptor.MessageEnd(); string cipherTextHex; for (int i = 0; i < cipherText.size(); i++) { char ch[3] = { 0 }; sprintf_s(ch, "%02x", static_cast
            
             (cipherText[i])); cipherTextHex += ch; } return cipherTextHex;}void writeCipher(string output){ ofstream out("cipher.data"); out.write(output.c_str(), output.length()); out.close(); cout << "writeCipher finish " << endl << endl;}string decrypt(string cipherTextHex){ string cipherText; string decryptedText; int i = 0; while (true) { char c; int x; stringstream ss; ss << hex << cipherTextHex.substr(i, 2).c_str(); ss >> x; c = (char)x; cipherText += c; if (i >= cipherTextHex.length() - 2)break; i += 2; } // CryptoPP::AES::Decryption aesDecryption(key, CryptoPP::AES::DEFAULT_KEYLENGTH); CryptoPP::CBC_Mode_ExternalCipher::Decryption cbcDecryption(aesDecryption, iv); CryptoPP::StreamTransformationFilter stfDecryptor(cbcDecryption, new CryptoPP::StringSink(decryptedText)); stfDecryptor.Put(reinterpret_cast
             
              (cipherText.c_str()), cipherText.size()); stfDecryptor.MessageEnd(); return decryptedText;}string readCipher(){ ifstream in("cipher.data"); string line; string decryptedText; while (getline(in, line)) { if (line.length() > 1) { decryptedText += decrypt(line) + "\n"; } line.clear(); } cout << "readCipher finish " << endl; in.close(); return decryptedText;}int main(){ string text = "What's up dude!"; cout << "text : " << text << endl; initKV(); string cipherHex = encrypt(text); cout << "cipher : " << cipherHex << endl; writeCipher(cipherHex); string decrpt_text = readCipher(); cout << "text : " << decrpt_text << endl; return 0;}
             
            
           
          
         
        
       
      
     

运行结果：