mirror of
https://github.com/RetroShare/RetroShare.git
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bc84ebb494
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@2148 b45a01b8-16f6-495d-af2f-9b41ad6348cc
83 lines
1.9 KiB
C++
83 lines
1.9 KiB
C++
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/*
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* libretroshare/src/util: rsprint.cc
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*
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* RetroShare Utilities
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*
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* Copyright 2008 by Robert Fernie.
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*
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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 Library General Public
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* License Version 2 as published by the Free Software Foundation.
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*
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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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA.
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*
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* Please report all bugs and problems to "retroshare@lunamutt.com".
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*
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*/
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#include "util/rsprint.h"
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#include <iomanip>
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#include <sstream>
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#include <openssl/sha.h>
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std::string RsUtil::BinToHex(std::string bin)
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{
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return BinToHex(bin.c_str(), bin.length());
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}
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std::string RsUtil::BinToHex(const char *arr, const uint32_t len)
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{
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std::ostringstream out;
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for(uint32_t j = 0; j < len; j++)
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{
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out << std::hex << std::setw(2) << std::setfill('0') << (int32_t) (((const uint8_t *) arr)[j]);
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}
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return out.str();
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}
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std::string RsUtil::HashId(std::string id, bool reverse)
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{
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std::string hash;
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std::string tohash;
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if (reverse)
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{
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std::string::reverse_iterator rit;
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for(rit = id.rbegin(); rit != id.rend(); rit++)
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{
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tohash += (*rit);
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}
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}
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else
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{
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tohash = id;
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}
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SHA_CTX *sha_ctx = new SHA_CTX;
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uint8_t sha_hash[SHA_DIGEST_LENGTH];
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SHA1_Init(sha_ctx);
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SHA1_Update(sha_ctx, tohash.c_str(), tohash.length());
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SHA1_Final(sha_hash, sha_ctx);
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for(uint16_t i = 0; i < SHA_DIGEST_LENGTH; i++)
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{
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hash += sha_hash[i];
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}
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/* cleanup */
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delete sha_ctx;
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return hash;
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}
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