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78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
//
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// hmacmd5.cpp
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//
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// $Id: //poco/1.4/Foundation/samples/hmacmd5/src/hmacmd5.cpp#1 $
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//
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// This sample demonstrates the HMACEngine class.
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Poco/HMACEngine.h"
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#include "Poco/MD5Engine.h"
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#include "Poco/DigestStream.h"
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#include "Poco/StreamCopier.h"
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#include <fstream>
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#include <iostream>
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using Poco::DigestEngine;
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using Poco::HMACEngine;
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using Poco::MD5Engine;
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using Poco::DigestOutputStream;
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using Poco::StreamCopier;
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int main(int argc, char** argv)
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{
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if (argc != 3)
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{
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std::cout << "usage: " << argv[0] << ": <passphrase> <input_file>" << std::endl
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<< " create the HMAC-MD5 for <input_file>, using <passphrase>" << std::endl;
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return 1;
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}
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std::string passphrase(argv[1]);
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std::ifstream istr(argv[2], std::ios::binary);
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if (!istr)
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{
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std::cerr << "cannot open input file: " << argv[2] << std::endl;
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return 2;
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}
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HMACEngine<MD5Engine> hmac(passphrase);
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DigestOutputStream dos(hmac);
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StreamCopier::copyStream(istr, dos);
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dos.close();
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std::cout << DigestEngine::digestToHex(hmac.digest()) << std::endl;
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return 0;
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}
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