diff options
author | Neo2003 <none@none> | 2008-10-02 16:23:55 -0500 |
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committer | Neo2003 <none@none> | 2008-10-02 16:23:55 -0500 |
commit | 9b1c0e006f20091f28f3f468cfcab1feb51286bd (patch) | |
tree | b5d1ba94a656e6679f8737f9ea6bed1239b73b14 /src/shared/Auth/Hmac.cpp |
[svn] * Proper SVN structureinit
--HG--
branch : trunk
Diffstat (limited to 'src/shared/Auth/Hmac.cpp')
-rw-r--r-- | src/shared/Auth/Hmac.cpp | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/shared/Auth/Hmac.cpp b/src/shared/Auth/Hmac.cpp new file mode 100644 index 00000000000..d2054a0a777 --- /dev/null +++ b/src/shared/Auth/Hmac.cpp @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2005-2008 MaNGOS <http://www.mangosproject.org/> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "Auth/Hmac.h" +#include "BigNumber.h" + +HmacHash::HmacHash() +{ + uint8 temp[SEED_KEY_SIZE] = { 0x38, 0xA7, 0x83, 0x15, 0xF8, 0x92, 0x25, 0x30, 0x71, 0x98, 0x67, 0xB1, 0x8C, 0x4, 0xE2, 0xAA }; + memcpy(&m_key, &temp, SEED_KEY_SIZE); + HMAC_CTX_init(&m_ctx); + HMAC_Init_ex(&m_ctx, &m_key, SEED_KEY_SIZE, EVP_sha1(), NULL); +} + +HmacHash::~HmacHash() +{ + memset(&m_key, 0x00, SEED_KEY_SIZE); + HMAC_CTX_cleanup(&m_ctx); +} + +void HmacHash::UpdateBigNumber(BigNumber *bn) +{ + UpdateData(bn->AsByteArray(), bn->GetNumBytes()); +} + +void HmacHash::UpdateData(const uint8 *data, int length) +{ + HMAC_Update(&m_ctx, data, length); +} + +void HmacHash::Initialize() +{ + HMAC_Init_ex(&m_ctx, &m_key, SEED_KEY_SIZE, EVP_sha1(), NULL); +} + +void HmacHash::Finalize() +{ + uint32 length = 0; + HMAC_Final(&m_ctx, m_digest, &length); + ASSERT(length == SHA_DIGEST_LENGTH) +} |