mirror of
https://github.com/RetroShare/RetroShare.git
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94 lines
2.7 KiB
C++
94 lines
2.7 KiB
C++
/*******************************************************************************
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* libretroshare/src/pqi: pqihash.h *
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* *
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* libretroshare: retroshare core library *
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* *
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* Copyright 2008-2008 by Robert Fernie <retroshare@lunamutt.com> *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* *
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* This program 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 *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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#ifndef PQI_HASH_
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#define PQI_HASH_
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#include <retroshare/rsids.h>
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#include <openssl/sha.h>
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#include <string>
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#include <iomanip>
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#include <string.h>
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#include "util/rsstring.h"
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#include "retroshare/rstypes.h"
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#include <inttypes.h>
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class pqihash
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{
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public:
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pqihash()
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{
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sha_hash = new uint8_t[SHA_DIGEST_LENGTH];
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memset(sha_hash,0,SHA_DIGEST_LENGTH*sizeof(uint8_t)) ;
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sha_ctx = new SHA_CTX;
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SHA1_Init(sha_ctx);
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doHash = true;
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}
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~pqihash()
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{
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delete[] sha_hash;
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delete sha_ctx;
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}
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void addData(const void *data, uint32_t len)
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{
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if (doHash)
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{
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SHA1_Update(sha_ctx, data, len);
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}
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}
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void Complete(RsFileHash &hash)
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{
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if (!doHash)
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{
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hash = endHash;
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return;
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}
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SHA1_Final(sha_hash, sha_ctx);
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endHash.clear();
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endHash = hash = Sha1CheckSum(sha_hash);
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// for(int i = 0; i < SHA_DIGEST_LENGTH; i++)
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// {
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// rs_sprintf_append(endHash, "%02x", (unsigned int) (sha_hash[i]));
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// }
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// hash = endHash;
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doHash = false;
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return;
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}
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private:
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bool doHash;
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RsFileHash endHash;
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uint8_t *sha_hash;
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SHA_CTX *sha_ctx;
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};
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#endif
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