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Solution refactoring and restructuring, removed Boost dependency, removed unused tools

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Exynox
2022-11-21 23:42:01 +02:00
parent 33f19f9ff6
commit 9ef9f39e88
817 changed files with 326 additions and 59698 deletions
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src/EterBase/tea.cpp Normal file
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/*
* Filename: tea.c
* Description: TEA <20><>ȣȭ <20><><EFBFBD><EFBFBD>
*
* Author: <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (aka. <20><><EFBFBD><EFBFBD>, Cronan), <20>ۿ<EFBFBD><DBBF><EFBFBD> (aka. myevan, <20><><EFBFBD>ڷ<EFBFBD>)
*/
#include "StdAfx.h"
#include "tea.h"
#include <memory.h>
/*
* TEA Encryption Module Instruction
* Edited by <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> aka. <20><><EFBFBD><EFBFBD>, Cronan
*
* void tea_code(const unsigned long sz, const unsigned long sy, const unsigned long *key, unsigned long *dest)
* void tea_decode(const unsigned long sz, const unsigned long sy, const unsigned long *key, unsigned long *dest)
* 8<><38><EFBFBD><EFBFBD>Ʈ<EFBFBD><C6AE> <20><>ȣ/<2F><>ȣȭ <20>Ҷ<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD>. key <20><> 16 <20><><EFBFBD><EFBFBD>Ʈ<EFBFBD><C6AE><EFBFBD><EFBFBD> <20>Ѵ<EFBFBD>.
* sz, sy <20><> 8<><38><EFBFBD><EFBFBD>Ʈ<EFBFBD><C6AE> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>Ѵ<EFBFBD>.
*
* int tea_decrypt(unsigned long *dest, const unsigned long *src, const unsigned long *key, int size);
* int tea_encrypt(unsigned long *dest, const unsigned long *src, const unsigned long *key, int size);
* <20>Ѳ<EFBFBD><D1B2><EFBFBD><EFBFBD><EFBFBD> 8 <20><><EFBFBD><EFBFBD>Ʈ <20>̻<EFBFBD><CCBB><EFBFBD> <20><>ȣ/<2F><>ȣȭ <20>Ҷ<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>Ѵ<EFBFBD>. <20><><EFBFBD><EFBFBD> size <20><>
* 8<><38> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>ƴϸ<C6B4> 8<><38> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ũ<>⸦ "<22>÷<EFBFBD><C3B7><EFBFBD>" <20><>ȣȭ <20>Ѵ<EFBFBD>.
*
* ex. tea_code(pdwSrc[1], pdwSrc[0], pdwKey, pdwDest);
* tea_decrypt(pdwDest, pdwSrc, pdwKey, nSize);
*/
#define TEA_ROUND 32 // 32 <20><> <20><><EFBFBD><EFBFBD><EFBFBD>ϸ<EFBFBD>, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>.
#define DELTA 0x9E3779B9 // DELTA <20><> <20>ٲ<EFBFBD><D9B2><EFBFBD> <20><><EFBFBD><EFBFBD>.
void tea_code(const unsigned long sz, const unsigned long sy, const unsigned long *key, unsigned long *dest)
{
register unsigned long y = sy, z = sz, sum = 0;
unsigned long n = TEA_ROUND;
while (n-- > 0)
{
y += ((z << 4 ^ z >> 5) + z) ^ (sum + key[sum & 3]);
sum += DELTA;
z += ((y << 4 ^ y >> 5) + y) ^ (sum + key[sum >> 11 & 3]);
}
*(dest++) = y;
*dest = z;
}
void tea_decode(const unsigned long sz, const unsigned long sy, const unsigned long *key, unsigned long *dest)
{
#pragma warning(disable:4307)
register unsigned long y = sy, z = sz, sum = DELTA * TEA_ROUND;
#pragma warning(default:4307)
unsigned long n = TEA_ROUND;
while (n-- > 0)
{
z -= ((y << 4 ^ y >> 5) + y) ^ (sum + key[sum >> 11 & 3]);
sum -= DELTA;
y -= ((z << 4 ^ z >> 5) + z) ^ (sum + key[sum & 3]);
}
*(dest++) = y;
*dest = z;
}
int tea_encrypt(unsigned long *dest, const unsigned long *src, const unsigned long * key, int size)
{
int i;
int resize;
if (size % 8 != 0)
{
resize = size + 8 - (size % 8);
memset((char *) src + size, 0, resize - size);
}
else
resize = size;
for (i = 0; i < resize >> 3; i++, dest += 2, src += 2)
tea_code(*(src + 1), *src, key, dest);
return (resize);
}
int tea_decrypt(unsigned long *dest, const unsigned long *src, const unsigned long * key, int size)
{
int i;
int resize;
if (size % 8 != 0)
resize = size + 8 - (size % 8);
else
resize = size;
for (i = 0; i < resize >> 3; i++, dest += 2, src += 2)
tea_decode(*(src + 1), *src, key, dest);
return (resize);
}