mirror of
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50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/*
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* Copyright (C) 2005-2009 MaNGOS <http://getmangos.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 General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "Auth/Hmac.h"
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#include "BigNumber.h"
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HmacHash::HmacHash(uint32 len, uint8 *seed)
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{
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ASSERT(len == SEED_KEY_SIZE);
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HMAC_CTX_init(&m_ctx);
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HMAC_Init_ex(&m_ctx, seed, SEED_KEY_SIZE, EVP_sha1(), NULL);
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}
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HmacHash::~HmacHash()
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{
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HMAC_CTX_cleanup(&m_ctx);
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}
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void HmacHash::UpdateBigNumber(BigNumber *bn)
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{
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UpdateData(bn->AsByteArray(), bn->GetNumBytes());
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}
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void HmacHash::UpdateData(const uint8 *data, int length)
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{
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HMAC_Update(&m_ctx, data, length);
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}
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void HmacHash::Finalize()
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{
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uint32 length = 0;
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HMAC_Final(&m_ctx, m_digest, &length);
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ASSERT(length == SHA_DIGEST_LENGTH)
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}
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