Oh should have mentioned the error is BER decode error

On Aug 31, 1:45 pm, Some Guy <[email protected]> wrote:
> Hi, I'm trying to load keys from a string then perform operations but
> I'm obviously doing it wrong. This is just using sample code from the
> Crypto++ wiki except for the key loading which I've changed and is
> wrong. Can someone tell me how I should be doing it please?
>
> Any help is much appreciated, next thing I'm trying is generating the
> keys with crypto++ rather than the online generator I was using.
>
> std::string pub_key =
> "AAAAB3NzaC1yc2EAAAABJQAAAIEAofcO32Qko4srylZRXQywJqWt4msjzrilwIntr21mjZM8vQ 
> 3pTsM/
> GWW+nQzAAGp0JPanYbJN7f3HGwF7z8V51cq41PJKnAwJDayoj5eOEM8iIpgZaoowT
> +jfn25Q2+55oEpQz41LdvZoLZ4s58JI30r9byWWlTwen9+JwGFcJ3c==";
>         std::string priv_key = "AAAAgEYJ+Jfz9CsLv
> +jLYXRYg4ZVe6AuVKxrhfJlKIM2Oi9iQ8df9i/lumvY+HtD"
>                                                         
> "yKY73zKULLSgIbMF9TwcUTdAo2KqKpX
> +phAZNXEXjCB14JSXObhkJvm8ak5kdDSj"
>                                                         "SZIGIRTPueonhvvya
> +tzxmvVpQLpxezlMx6LppzPJxJ8tF6tAAAAQQD96+ATzVro"
>                                                         
> "D01/N8ULQNOhCzdpudjtAxFjJWSlt7yhNLMFfXdh7q/
> ihRYIsbEBgI7lmq6ISmFc"
>                                                         
> "HBgfahbXldH/AAAAQQCjSnoBnTvpriqm/L97teWQYXDGxXAZd2k9bYEO/
> v2fGG0k"
>                                                         
> "dWqv9KBzSYcZwF1iurmoyQzLRf09ET0hFU7JZTqJAAAAQBa0//
> vmDitumKwJSXXH"
>                                                         
> "kS84LKn8IM9VJ78VosY49A8f1p8FgEb15xwiuKsI2A3w9LGcqi3KDwUAwXl9y9/
> o"
>                                                         "Yhs";
>
>     try
>     {
>
>         RSA::PrivateKey privateKey;
>                 privateKey.Load(StringSource(priv_key,true,NULL).Ref());
>         RSA::PublicKey publicKey;
>                 publicKey.Load(StringSource(pub_key,true,NULL).Ref());
>
>         // Message
>         string message = "Yoda said, Do or Do Not. There is not try.";
>         string signature;
>
>         ////////////////////////////////////////////////
>         // Sign and Encode
>         RSASS<PSS, SHA1>::Signer signer( privateKey );
>
>         StringSource( message, true,
>             new SignerFilter( rng, signer,
>                 new StringSink( signature )
>             ) // SignerFilter
>         ); // StringSource
>
>         ////////////////////////////////////////////////
>         // Verify and Recover
>         RSASS<PSS, SHA1>::Verifier verifier( publicKey );
>
>         StringSource( message+signature, true,
>             new SignatureVerificationFilter(
>                 verifier, NULL,
>                 SignatureVerificationFilter::THROW_EXCEPTION
>             ) // SignatureVerificationFilter
>         ); // StringSource
>
>         cout << "Verified signature on message" << endl;
>
>     } // try
>
>     catch( CryptoPP::Exception& e ) {
>         std::cerr << "Error: " << e.what() << std::endl;
>     }
>
>     return 0;
>
>
>
>
>
>
>
> }

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