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* forgot to upload new files in last commit

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bluma4862 2008-07-25 12:46:56 +00:00
parent 0586c46e2e
commit e942ccde1d
2 changed files with 102 additions and 0 deletions
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56
src/shared/Auth/Hmac.cpp Normal file
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/*
* 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()
{
unsigned int length = 0;
HMAC_Final(&m_ctx, m_digest, &length);
ASSERT(length == SHA_DIGEST_LENGTH)
}

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src/shared/Auth/Hmac.h Normal file
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/*
* 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
*/
#ifndef _AUTH_HMAC_H
#define _AUTH_HMAC_H
#include "Common.h"
#include <openssl/hmac.h>
#include <openssl/sha.h>
class BigNumber;
#define SEED_KEY_SIZE 16
class HmacHash
{
public:
HmacHash();
~HmacHash();
void UpdateBigNumber(BigNumber *bn);
void UpdateData(const uint8 *data, int length);
void Initialize();
void Finalize();
uint8 *GetDigest() { return m_digest; };
int GetLength() { return SHA_DIGEST_LENGTH; };
private:
HMAC_CTX m_ctx;
uint8 m_key[SEED_KEY_SIZE];
uint8 m_digest[SHA_DIGEST_LENGTH];
};
#endif