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find . \( -name "*.cpp" -or -name "*.h" -or -name "*.c" -or -name "*.cc" \) -exec clang-format -i {} \;
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86 lines
3.1 KiB
C++
86 lines
3.1 KiB
C++
/*
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Copyright (C) 2004, 2006 Brad Hards <bradh@frogmouth.net>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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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 AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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// QtCrypto has the declarations for all of QCA
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#include <QtCrypto>
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#include <QCoreApplication>
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#include <QDebug>
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// needed for printf
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#include <cstdio>
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#ifdef QT_STATICPLUGIN
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#include "import_plugins.h"
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#endif
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int main(int argc, char **argv)
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{
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// the Initializer object sets things up, and
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// also does cleanup when it goes out of scope
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QCA::Initializer init;
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QCoreApplication app(argc, argv);
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qDebug() << "This example shows hashed MAC";
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// we use the first argument as the data to authenticate
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// if an argument is provided. Use "hello" if no argument
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QByteArray arg = (argc >= 2) ? argv[1] : "hello";
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// we use the second argument as the key to authenticate
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// with, if two arguments are provided. Use "secret" as
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// the key if less than two arguments.
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QCA::SecureArray key((argc >= 3) ? argv[2] : "secret");
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// must always check that an algorithm is supported before using it
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if (!QCA::isSupported("hmac(sha1)")) {
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printf("HMAC(SHA1) not supported!\n");
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} else {
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// create the required object using HMAC with SHA-1, and an
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// empty key.
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QCA::MessageAuthenticationCode hmacObject(QStringLiteral("hmac(sha1)"), QCA::SecureArray());
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// create the key
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QCA::SymmetricKey keyObject(key);
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// set the HMAC object to use the key
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hmacObject.setup(key);
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// that could also have been done in the
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// QCA::MessageAuthenticationCode constructor
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// we split it into two parts to show incremental update
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QCA::SecureArray part1(arg.left(3)); // three chars - "hel"
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QCA::SecureArray part2(arg.mid(3)); // the rest - "lo"
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hmacObject.update(part1);
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hmacObject.update(part2);
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// no more updates after calling final.
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QCA::SecureArray resultArray = hmacObject.final();
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// convert the result into printable hexadecimal.
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QString result = QCA::arrayToHex(resultArray.toByteArray());
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printf("HMAC(SHA1) of \"%s\" with \"%s\" = [%s]\n", arg.data(), key.data(), result.toLatin1().data());
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}
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return 0;
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}
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