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- ///////////////////////////////////////////////////////////////////////////////
- //
- // Copyright (C) 2008-2010 Artyom Beilis (Tonkikh) <artyomtnk@yahoo.com>
- //
- // This program is free software: you can redistribute it and/or modify
- // it under the terms of the GNU Lesser General Public License as published by
- // the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public License
- // along with this program. If not, see <http://www.gnu.org/licenses/>.
- //
- ///////////////////////////////////////////////////////////////////////////////
- #ifndef CPPCMS_HMAC_ENCRYPTOR_H
- #define CPPCMS_HMAC_ENCRYPTOR_H
- #include "base_encryptor.h"
- #include "config.h"
- #include <booster/thread.h>
-
- namespace cppcms {
- namespace sessions {
- namespace impl {
-
- class CPPCMS_API hmac_cipher : public base_encryptor {
- void hash(unsigned char const *,size_t,unsigned char md5[16]);
- public:
- virtual std::string encrypt(std::string const &plain,time_t timeout);
- virtual bool decrypt(std::string const &cipher,std::string &plain,time_t *timeout=NULL);
- hmac_cipher(std::string key);
- struct block {
- union {
- char data[16];
- uint64_t counter;
- } seed;
- char buf[16];
- unsigned left;
- };
- private:
- static booster::thread_specific_ptr<block> seed;
- void salt(char *s,int n);
- };
-
- } // impl
- } // sessions
- } // cppcms
-
-
- #endif
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