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firebird-mirror/src/common/sha.h
2013-03-18 13:10:36 +00:00

84 lines
1.9 KiB
C++

/*
* The contents of this file are subject to the Initial
* Developer's Public License Version 1.0 (the "License");
* you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
* http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
*
* Software distributed under the License is distributed AS IS,
* WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights
* and limitations under the License.
*
* The Original Code was created by Alex Peshkov
* for the Firebird Open Source RDBMS project.
*
* Created by: Alex Peshkov <AlexPeshkov@users.sourceforge.net>
* and all contributors, signed below.
*
* All Rights Reserved.
* Contributor(s): ______________________________________.
*/
#ifndef COMMON_SHA_H
#define COMMON_SHA_H
#include "firebird.h"
#include "../common/classes/alloc.h"
#include "../common/classes/array.h"
#include "../common/classes/fb_string.h"
namespace Firebird {
class Sha1 : public GlobalStorage
{
public:
Sha1();
static const unsigned int HASH_SIZE = 20;
static const unsigned int BLOCK_SIZE = 64;
typedef unsigned long LONG;
struct ShaInfo
{
LONG digest[5]; // message digest
LONG count_lo, count_hi; // 64-bit bit count
UCHAR data[BLOCK_SIZE]; // SHA data buffer
size_t local; // unprocessed amount in data
};
void process(size_t length, const void* bytes);
void process(const UCharBuffer& bytes)
{
process(bytes.getCount(), bytes.begin());
}
void process(const string& str)
{
process(str.length(), str.c_str());
}
void process(const char* str)
{
process(strlen(str), str);
}
void getHash(UCharBuffer& h);
void reset();
~Sha1();
// return base64-coded values
static void hashBased64(Firebird::string& hashBase64, const Firebird::string& data);
private:
void clear();
ShaInfo handle;
bool active;
};
} // namespace Firebird
#endif // COMMON_SHA_H