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-rw-r--r--mysql/extra/yassl/taocrypt/include/hmac.hpp138
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diff --git a/mysql/extra/yassl/taocrypt/include/hmac.hpp b/mysql/extra/yassl/taocrypt/include/hmac.hpp
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--- a/mysql/extra/yassl/taocrypt/include/hmac.hpp
+++ /dev/null
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-/*
- Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
-
- 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; version 2 of the License.
-
- 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; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- MA 02110-1301 USA.
-*/
-
-/* hamc.hpp implements HMAC, see RFC 2104
-*/
-
-
-#ifndef TAO_CRYPT_HMAC_HPP
-#define TAO_CRYPT_HMAC_HPP
-
-#include "hash.hpp"
-
-namespace TaoCrypt {
-
-
-// HMAC class template
-template <class T>
-class HMAC {
-public:
- enum { IPAD = 0x36, OPAD = 0x5C };
-
- HMAC() : ipad_(reinterpret_cast<byte*>(&ip_)),
- opad_(reinterpret_cast<byte*>(&op_)),
- innerHash_(reinterpret_cast<byte*>(&innerH_))
- {
- Init();
- }
- void Update(const byte*, word32);
- void Final(byte*);
- void Init();
-
- void SetKey(const byte*, word32);
-private:
- byte* ipad_;
- byte* opad_;
- byte* innerHash_;
- bool innerHashKeyed_;
- T mac_;
-
- // MSVC 6 HACK, gives compiler error if calculated in array
- enum { HMAC_BSIZE = T::BLOCK_SIZE / sizeof(word32),
- HMAC_DSIZE = T::DIGEST_SIZE / sizeof(word32) };
-
- word32 ip_[HMAC_BSIZE]; // align ipad_ on word32
- word32 op_[HMAC_BSIZE]; // align opad_ on word32
- word32 innerH_[HMAC_DSIZE]; // align innerHash_ on word32
-
- void KeyInnerHash();
-
- HMAC(const HMAC&);
- HMAC& operator= (const HMAC&);
-};
-
-
-// Setup
-template <class T>
-void HMAC<T>::Init()
-{
- mac_.Init();
- innerHashKeyed_ = false;
-}
-
-
-// Key generation
-template <class T>
-void HMAC<T>::SetKey(const byte* key, word32 length)
-{
- Init();
-
- if (length <= T::BLOCK_SIZE)
- memcpy(ipad_, key, length);
- else {
- mac_.Update(key, length);
- mac_.Final(ipad_);
- length = T::DIGEST_SIZE;
- }
- memset(ipad_ + length, 0, T::BLOCK_SIZE - length);
-
- for (word32 i = 0; i < T::BLOCK_SIZE; i++) {
- opad_[i] = ipad_[i] ^ OPAD;
- ipad_[i] ^= IPAD;
- }
-}
-
-
-// Inner Key Hash
-template <class T>
-void HMAC<T>::KeyInnerHash()
-{
- mac_.Update(ipad_, T::BLOCK_SIZE);
- innerHashKeyed_ = true;
-}
-
-
-// Update
-template <class T>
-void HMAC<T>::Update(const byte* msg, word32 length)
-{
- if (!innerHashKeyed_)
- KeyInnerHash();
- mac_.Update(msg, length);
-}
-
-
-// Final
-template <class T>
-void HMAC<T>::Final(byte* hash)
-{
- if (!innerHashKeyed_)
- KeyInnerHash();
- mac_.Final(innerHash_);
-
- mac_.Update(opad_, T::BLOCK_SIZE);
- mac_.Update(innerHash_, T::DIGEST_SIZE);
- mac_.Final(hash);
-
- innerHashKeyed_ = false;
-}
-
-
-} // namespace
-
-#endif // TAO_CRYPT_HMAC_HPP