Jeff,
Decoding the plain text did the trick. Thank you so much for your time and
help.
Arthur
On Wednesday, February 3, 2016 at 4:16:56 PM UTC-7, Arthur Coleman wrote:
>
> 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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