40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
/*
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Copyright (c) 2015 Hristo Gochkov. All rights reserved.
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This file is part of the esp32 core for Arduino environment.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef HEXBuilder_h
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#define HEXBuilder_h
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#include <WString.h>
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#include <Stream.h>
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// Basic hex/byte conversion class to be used by hash builders
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class HEXBuilder {
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public:
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static size_t hex2bytes(unsigned char *out, size_t maxlen, String &in);
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static size_t hex2bytes(unsigned char *out, size_t maxlen, const char *in);
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static String bytes2hex(const unsigned char *in, size_t len);
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static size_t bytes2hex(char *out, size_t maxlen, const unsigned char *in, size_t len);
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static bool isHexString(const char *str, size_t len);
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static bool isHexString(String str);
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};
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#endif
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