"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "C/Aes.c" between
p7zip_15.14.1_src_all.tar.gz and p7zip_16.02_src_all.tar.gz

About: p7zip is a command-line file archiver with a high compression ratio (a port of the Windows program 7za.exe).

Aes.c  (p7zip_15.14.1_src_all)	:	Aes.c  (p7zip_16.02_src_all)
/* Aes.c -- AES encryption / decryption		/* Aes.c -- AES encryption / decryption
2015-02-23 : Igor Pavlov : Public domain */		2016-05-21 : Igor Pavlov : Public domain */
#include "Precomp.h"		#include "Precomp.h"
#include "Aes.h"		#include "Aes.h"
#include "CpuArch.h"		#include "CpuArch.h"
static UInt32 T[256 * 4];		static UInt32 T[256 * 4];
static const Byte Sbox[256] = {		static const Byte Sbox[256] = {
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,		0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,		0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
skipping to change at line 170		skipping to change at line 170
void MY_FAST_CALL Aes_SetKey_Dec(UInt32 *w, const Byte *key, unsigned keySize)		void MY_FAST_CALL Aes_SetKey_Dec(UInt32 *w, const Byte *key, unsigned keySize)
{		{
unsigned i, num;		unsigned i, num;
Aes_SetKey_Enc(w, key, keySize);		Aes_SetKey_Enc(w, key, keySize);
num = keySize + 20;		num = keySize + 20;
w += 8;		w += 8;
for (i = 0; i < num; i++)		for (i = 0; i < num; i++)
{		{
UInt32 r = w[i];		UInt32 r = w[i];
w[i] =		w[i] =
D[ Sbox[gb0(r)]] ^		D[ (unsigned)Sbox[gb0(r)]] ^
D[0x100 + Sbox[gb1(r)]] ^		D[0x100 + (unsigned)Sbox[gb1(r)]] ^
D[0x200 + Sbox[gb2(r)]] ^		D[0x200 + (unsigned)Sbox[gb2(r)]] ^
D[0x300 + Sbox[gb3(r)]];		D[0x300 + (unsigned)Sbox[gb3(r)]];
}		}
}		}
/* Aes_Encode and Aes_Decode functions work with little-endian words.		/* Aes_Encode and Aes_Decode functions work with little-endian words.
src and dest are pointers to 4 UInt32 words.		src and dest are pointers to 4 UInt32 words.
src and dest can point to same block */		src and dest can point to same block */
static void Aes_Encode(const UInt32 *w, UInt32 *dest, const UInt32 *src)		static void Aes_Encode(const UInt32 *w, UInt32 *dest, const UInt32 *src)
{		{
UInt32 s[4];		UInt32 s[4];
End of changes. 2 change blocks.
5 lines changed or deleted		5 lines changed or added

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