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67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2012, 2013 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef RIPPLE_CRYPTO_RFC1751_H_INCLUDED
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#define RIPPLE_CRYPTO_RFC1751_H_INCLUDED
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#include <string>
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#include <vector>
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namespace ripple {
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class RFC1751
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{
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public:
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static int
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getKeyFromEnglish(std::string& strKey, std::string const& strHuman);
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static void
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getEnglishFromKey(std::string& strHuman, std::string const& strKey);
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/** Chooses a single dictionary word from the data.
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This is not particularly secure but it can be useful to provide
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a unique name for something given a GUID or fixed data. We use
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it to turn the pubkey_node into an easily remembered and identified
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4 character string.
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*/
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static std::string
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getWordFromBlob(void const* blob, size_t bytes);
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private:
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static unsigned long
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extract(char const* s, int start, int length);
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static void
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btoe(std::string& strHuman, std::string const& strData);
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static void
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insert(char* s, int x, int start, int length);
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static void
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standard(std::string& strWord);
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static int
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wsrch(std::string const& strWord, int iMin, int iMax);
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static int
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etob(std::string& strData, std::vector<std::string> vsHuman);
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static char const* s_dictionary[];
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};
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} // namespace ripple
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#endif
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