1 | /* |
2 | Copyright (C) 2004 Brad Hards <bradh@frogmouth.net> |
3 | |
4 | Permission is hereby granted, free of charge, to any person obtaining a copy |
5 | of this software and associated documentation files (the "Software"), to deal |
6 | in the Software without restriction, including without limitation the rights |
7 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
8 | copies of the Software, and to permit persons to whom the Software is |
9 | furnished to do so, subject to the following conditions: |
10 | |
11 | The above copyright notice and this permission notice shall be included in |
12 | all copies or substantial portions of the Software. |
13 | |
14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
17 | AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
20 | */ |
21 | |
22 | // QtCrypto/QtCrypto has the declarations for all of QCA |
23 | #include <QtCrypto> |
24 | |
25 | #include <QCoreApplication> |
26 | |
27 | #include <cstdio> |
28 | |
29 | #ifdef QT_STATICPLUGIN |
30 | #include "import_plugins.h" |
31 | #endif |
32 | |
33 | int main(int argc, char **argv) |
34 | { |
35 | // the Initializer object sets things up, and |
36 | // also does cleanup when it goes out of scope |
37 | QCA::Initializer init; |
38 | |
39 | QCoreApplication app(argc, argv); |
40 | |
41 | // we use the first argument if provided, or |
42 | // use "hello" if no arguments |
43 | QCA::SecureArray arg = (argc >= 2) ? argv[1] : "hello" ; |
44 | |
45 | // must always check that an algorithm is supported before using it |
46 | if (!QCA::isSupported(features: "sha1" )) |
47 | printf(format: "SHA1 not supported!\n" ); |
48 | else { |
49 | // this shows the "all in one" approach |
50 | QString result = QCA::Hash(QStringLiteral("sha1" )).hashToString(array: arg); |
51 | printf(format: "sha1(\"%s\") = [%s]\n" , arg.data(), qPrintable(result)); |
52 | } |
53 | |
54 | // must always check that an algorithm is supported before using it |
55 | if (!QCA::isSupported(features: "md5" )) |
56 | printf(format: "MD5 not supported!\n" ); |
57 | else { |
58 | // this shows the incremental approach. Naturally |
59 | // for this simple job, we could use the "all in one" |
60 | // approach - this is an example, after all :-) |
61 | QCA::SecureArray part1(arg.toByteArray().left(len: 3)); // three chars - "hel" |
62 | QCA::SecureArray part2(arg.toByteArray().mid(index: 3)); // the rest - "lo" |
63 | |
64 | // create the required object. |
65 | QCA::Hash hashObject(QStringLiteral("md5" )); |
66 | // we split it into two parts to show incremental update |
67 | hashObject.update(a: part1); |
68 | hashObject.update(a: part2); |
69 | // no more updates after calling final. |
70 | QCA::SecureArray resultArray = hashObject.final(); |
71 | // convert the result into printable hexadecimal. |
72 | QString result = QCA::arrayToHex(array: resultArray.toByteArray()); |
73 | printf(format: "md5(\"%s\") = [%s]\n" , arg.data(), qPrintable(result)); |
74 | } |
75 | |
76 | return 0; |
77 | } |
78 | |