mirror of
https://github.com/minetest/minetest.git
synced 2024-12-25 15:42:24 +01:00
55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
/* sha1.h
|
|
|
|
Copyright (c) 2005 Michael D. Leonhard
|
|
|
|
http://tamale.net/
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy of
|
|
this software and associated documentation files (the "Software"), to deal in
|
|
the Software without restriction, including without limitation the rights to
|
|
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
|
|
of the Software, and to permit persons to whom the Software is furnished to do
|
|
so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in all
|
|
copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
SOFTWARE.
|
|
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
typedef unsigned int Uint32;
|
|
|
|
class SHA1
|
|
{
|
|
private:
|
|
// fields
|
|
Uint32 H0 = 0x67452301;
|
|
Uint32 H1 = 0xefcdab89;
|
|
Uint32 H2 = 0x98badcfe;
|
|
Uint32 H3 = 0x10325476;
|
|
Uint32 H4 = 0xc3d2e1f0;
|
|
unsigned char bytes[64];
|
|
int unprocessedBytes = 0;
|
|
Uint32 size = 0;
|
|
void process();
|
|
|
|
public:
|
|
SHA1();
|
|
~SHA1();
|
|
void addBytes(const char *data, int num);
|
|
unsigned char *getDigest();
|
|
// utility methods
|
|
static Uint32 lrot(Uint32 x, int bits);
|
|
static void storeBigEndianUint32(unsigned char *byte, Uint32 num);
|
|
static void hexPrinter(unsigned char *c, int l);
|
|
};
|