cipher.cpp

Example of cipher code.

00001 // Copyright (C) 2006-2010 David Sugar, Tycho Softworks.
00002 //
00003 // This file is part of GNU uCommon C++.
00004 //
00005 // GNU uCommon C++ is free software: you can redistribute it and/or modify
00006 // it under the terms of the GNU Lesser General Public License as published
00007 // by the Free Software Foundation, either version 3 of the License, or
00008 // (at your option) any later version.
00009 //
00010 // GNU uCommon C++ is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013 // GNU Lesser General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public License
00016 // along with GNU uCommon C++.  If not, see <http://www.gnu.org/licenses/>.
00017 
00018 #ifndef DEBUG
00019 #define DEBUG
00020 #endif
00021 
00022 #include <ucommon-config.h>
00023 #include <ucommon/secure.h>
00024 
00025 #include <stdio.h>
00026 
00027 using namespace UCOMMON_NAMESPACE;
00028 
00029 #define STR "this is a test of some text we wish to post"
00030 
00031 int main(int argc, char **argv)
00032 {
00033     if(!secure::init())
00034         return 0;
00035 
00036     skey_t mykey("aes256", "sha", "testing");
00037     cipher_t enc, dec;
00038     unsigned char ebuf[256], dbuf[256];
00039 
00040     memset(dbuf, 0, sizeof(dbuf));
00041 
00042     enc.set(&mykey, Cipher::ENCRYPT, ebuf);
00043     dec.set(&mykey, Cipher::DECRYPT, dbuf);
00044 
00045     size_t total = enc.puts(STR);
00046 
00047     assert(!eq(STR, (char *)ebuf, strlen(STR)));
00048 
00049     assert(total == 48);
00050 
00051     dec.put(ebuf, total);
00052     dec.flush();
00053     assert(eq((char *)dbuf, STR));
00054     return 0;
00055 }
00056 

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