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authorKarl Berry <karl@freefriends.org>2018-09-13 17:10:25 +0000
committerKarl Berry <karl@freefriends.org>2018-09-13 17:10:25 +0000
commit854bfe4d7f98595f6566c169b98f237eb017f83f (patch)
tree7bff265a0ba15c3fdb666765f220655e55d74c20 /Build/source/texk/dvisvgm/dvisvgm-src/src/MD5HashFunction.hpp
parentb3cade537fb6d988be46152d0959f896f9505cc5 (diff)
dvisvgm 2.6
git-svn-id: svn://tug.org/texlive/trunk@48654 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/src/MD5HashFunction.hpp')
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diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/MD5HashFunction.hpp b/Build/source/texk/dvisvgm/dvisvgm-src/src/MD5HashFunction.hpp
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@@ -0,0 +1,58 @@
+/*************************************************************************
+** MD5HashFunction.hpp **
+** **
+** This file is part of dvisvgm -- a fast DVI to SVG converter **
+** Copyright (C) 2005-2018 Martin Gieseking <martin.gieseking@uos.de> **
+** **
+** This program is free software; you can redistribute it and/or **
+** modify it under the terms of the GNU General Public License as **
+** published by the Free Software Foundation; either version 3 of **
+** the License, or (at your option) any later version. **
+** **
+** This program is distributed in the hope that it will be useful, but **
+** WITHOUT ANY WARRANTY; without even the implied warranty of **
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the **
+** GNU General Public License for more details. **
+** **
+** You should have received a copy of the GNU General Public License **
+** along with this program; if not, see <http://www.gnu.org/licenses/>. **
+*************************************************************************/
+
+#ifndef MD5HASHFUNCTION_HPP
+#define MD5HASHFUNCTION_HPP
+
+#include <config.h>
+#ifdef HAVE_OPENSSL_MD5_H
+# include <openssl/md5.h>
+#else
+# include <md5.h>
+#endif
+
+#include "HashFunction.hpp"
+
+class MD5HashFunction : public HashFunction {
+ public:
+ MD5HashFunction () {MD5_Init(&_context);}
+ MD5HashFunction (const char *data, size_t length) : MD5HashFunction() {update(data, length);}
+ MD5HashFunction (const std::string &data) : MD5HashFunction() {update(data);}
+ MD5HashFunction (const std::vector<uint8_t> &data) : MD5HashFunction() {update(data);}
+ int digestSize () const override {return 16;}
+ void reset () override {MD5_Init(&_context);}
+ void update (const char *data, size_t length) override {MD5_Update(&_context, data, length);}
+ void update (const std::string &data) override {update(data.data(), data.length());}
+ void update (const std::vector<uint8_t> &data) override {update(reinterpret_cast<const char*>(data.data()), data.size());}
+
+ std::vector<uint8_t> digestValue () const override {
+ std::vector<uint8_t> hash(16);
+ MD5_CTX savedContext = _context;
+ MD5_Final(hash.data(), &_context); // also erases the context structure
+ _context = savedContext;
+ return hash;
+ }
+
+ private:
+ mutable MD5_CTX _context;
+};
+
+#endif
+