string Test3DES()
{
string key = "12656b2e4ba2f22e";
HCRYPTPROV hCryptProv = NULL;
HCRYPTHASH hHash = NULL;
HCRYPTKEY hCryptKey = NULL;
char pIV[] = "d566gdbc"; //simple test IV for 3DES
CryptAcquireContext(&hCryptProv, NULL, MS_ENHANCED_PROV, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT);
CryptCreateHash( hCryptProv, CALG_MD5, NULL, 0, &hHash );
CryptHashData( hHash, (LPBYTE)key.c_str(), (DWORD)key.size(), 0 );
DWORD dwMode = CRYPT_MODE_CBC;
CryptDeriveKey(hCryptProv, CALG_3DES, hHash, 0, &hCryptKey);
CryptSetKeyParam(hCryptKey, KP_MODE, (BYTE*)&dwMode, 0);
CryptSetKeyParam(hCryptKey, KP_IV,(const BYTE*) pIV, 0) ;
DWORD dwFilled = 0;
BOOL ret = CryptEncrypt( hCryptKey, NULL, TRUE, 0, (LPBYTE)cipherText.c_str(), &dwFilled, (DWORD)str.size());
cipherText.resize(dwFilled);
if( hCryptKey ) CryptDestroyKey( hCryptKey );
if( hHash ) CryptDestroyHash( hHash );
if( hCryptProv ) CryptReleaseContext( hCryptProv, 0 );
return cipherText;
}
3DES_112
string key = "12656b2e4ba2f22e";
unsigned char pIV[] = "d566gdbc"; //simple test IV for 3DES
HCRYPTPROV hCryptProv = NULL;
HCRYPTHASH hHash = NULL;
HCRYPTKEY hCryptKey = NULL;
DWORD ret = CryptAcquireContext(&hCryptProv, NULL, MS_ENHANCED_PROV, PROV_RSA_FULL,CRYPT_VERIFYCONTEXT);
if( ret == 0 ) std::wcout << LastError(GetLastError()) << std::endl;
PlainTextKeyBlob keyBlob ={0};
keyBlob.hdr.bType = PLAINTEXTKEYBLOB;
keyBlob.hdr.bVersion = CUR_BLOB_VERSION;
keyBlob.hdr.reserved = 0;
keyBlob.hdr.aiKeyAlg = CALG_3DES_112;
keyBlob.cbKeySize = key.size();
memcpy(keyBlob.key, key.c_str(), key.size());
DWORD dwSizeBlob = sizeof(BLOBHEADER)+sizeof(DWORD)+key.size();
ret = CryptImportKey( hCryptProv, (const BYTE*)&keyBlob, dwSizeBlob, 0, CRYPT_EXPORTABLE, &hCryptKey );
if( ret == 0 ) std::wcout << LastError(GetLastError()) << std::endl;
DWORD dwMode = CRYPT_MODE_CBC;
CryptSetKeyParam(hCryptKey, KP_MODE, (BYTE*)&dwMode, 0);
CryptSetKeyParam(hCryptKey, KP_IV,(const BYTE*) pIV, 0) ;
std::vector< BYTE > buffer( 1024 );
memcpy( &buffer[0], passwd.c_str(), passwd.size() );
DWORD dwFilled = passwd.size();
ret = CryptEncrypt( hCryptKey, NULL, TRUE, 0, (LPBYTE)&buffer[0], &dwFilled, (DWORD)buffer.size());
if( ret == 0 ) std::wcout << LastError(GetLastError()) << std::endl;
buffer.resize(dwFilled);
if( hCryptKey ) CryptDestroyKey( hCryptKey );
if( hHash ) CryptDestroyHash( hHash );
if( hCryptProv ) CryptReleaseContext( hCryptProv, 0 );
return buffer;