I am attempting to reproduce AES test in the fipstest.cpp file. The cipher
text I produce differs from the expect results. The cipher does decode
correctly. The cipher text I get is not only different but it is also
longer. I am working within MAC Xcode 7.1.1. Here is my code.
/**********************************************
* ECB Mode
**********************************************/
const string ecb_128KeyStr = "2b7e151628aed2a6abf7158809cf4f3c";
// iv not used with AES::ECB_Mode
string ecb128Decode;
byte ecb128Key[AES::DEFAULT_KEYLENGTH];
CryptoPP::HexDecoder ecb128Decoder(new CryptoPP::StringSink
(ecb128Decode));
ecb128Decoder.Put((byte*)ecb_128KeyStr.data(), ecb_128KeyStr.size());
ecb128Decoder.MessageEnd();
strncpy((char*)ecb128Key, ecb128Decode.c_str(), AES::DEFAULT_KEYLENGTH);
string testVector1 =
"6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710"
;
string cipher =
"3ad77bb40d7a3660a89ecaf32466ef97f5d3d58503b9699de785895a96fdbaaf43b1cd7f598ece23881b00e3ed0306887b0c785e27e8ad3f8223207104725dd4"
;
cout << cipher << endl << endl;
string ECBCipherText;
try {
CryptoPP::ECB_Mode< AES >::Encryption e;
e.SetKey(ecb128Key, sizeof(ecb128Key));
CryptoPP::StringSource(testVector1, true,
new CryptoPP::StreamTransformationFilter(e,
new CryptoPP::StringSink
(ECBCipherText)
)
);
} catch (const CryptoPP::Exception& e) {
cerr << e.what() << endl;
exit(1);
}
string encoded;
CryptoPP::StringSource(ECBCipherText, true,
new CryptoPP::HexEncoder(
new CryptoPP::StringSink(encoded),
false,
32
) // HexEncoder
); // StringSource
cout << encoded << endl;
cout << "encoded == cipher is " << boolalpha << (encoded == cipher) <<
ends;
I am able to reproduce the correct results with the various SHA test. I am
a retired programmer working with the Crypto++ Library for a small project
I am writing for myself so this has low priority.
Thank you for any help
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