From 6ab4ccb4d3d6cb959776d4800bcd5e92b3dd7ac2 Mon Sep 17 00:00:00 2001 From: eathenabot Date: Sun, 11 Dec 2011 20:43:49 +0000 Subject: * Merged changes up to eAthena 15014. git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@15063 54d463be-8e91-2dee-dedb-b68131a5f0ec --- src/common/grfio.c | 186 ++++++++++++++++++----------------------------------- 1 file changed, 64 insertions(+), 122 deletions(-) (limited to 'src/common/grfio.c') diff --git a/src/common/grfio.c b/src/common/grfio.c index 1d1ce756f..eefeb8296 100644 --- a/src/common/grfio.c +++ b/src/common/grfio.c @@ -2,8 +2,9 @@ // For more information, see LICENCE in the main folder #include "../common/cbasetypes.h" -#include "../common/showmsg.h" +#include "../common/des.h" #include "../common/malloc.h" +#include "../common/showmsg.h" #include "../common/strlib.h" #include "../common/utils.h" #include "grfio.h" @@ -57,63 +58,12 @@ char data_dir[1024] = ""; //---------------------------- int filelist_hash[256]; -//---------------------------- -// grf decode data table -//---------------------------- -static unsigned char BitMaskTable[8] = { - 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 -}; - -static char BitSwapTable1[64] = { - 58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4, - 62, 54, 46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8, - 57, 49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3, - 61, 53, 45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7 -}; -static char BitSwapTable2[64] = { - 40, 8, 48, 16, 56, 24, 64, 32, 39, 7, 47, 15, 55, 23, 63, 31, - 38, 6, 46, 14, 54, 22, 62, 30, 37, 5, 45, 13, 53, 21, 61, 29, - 36, 4, 44, 12, 52, 20, 60, 28, 35, 3, 43, 11, 51, 19, 59, 27, - 34, 2, 42, 10, 50, 18, 58, 26, 33, 1, 41, 9, 49, 17, 57, 25 -}; -static char BitSwapTable3[32] = { - 16, 7, 20, 21, 29, 12, 28, 17, 1, 15, 23, 26, 5, 18, 31, 10, - 2, 8, 24, 14, 32, 27, 3, 9, 19, 13, 30, 6, 22, 11, 4, 25 -}; - -static unsigned char NibbleData[4][64]={ - { - 0xef, 0x03, 0x41, 0xfd, 0xd8, 0x74, 0x1e, 0x47, 0x26, 0xef, 0xfb, 0x22, 0xb3, 0xd8, 0x84, 0x1e, - 0x39, 0xac, 0xa7, 0x60, 0x62, 0xc1, 0xcd, 0xba, 0x5c, 0x96, 0x90, 0x59, 0x05, 0x3b, 0x7a, 0x85, - 0x40, 0xfd, 0x1e, 0xc8, 0xe7, 0x8a, 0x8b, 0x21, 0xda, 0x43, 0x64, 0x9f, 0x2d, 0x14, 0xb1, 0x72, - 0xf5, 0x5b, 0xc8, 0xb6, 0x9c, 0x37, 0x76, 0xec, 0x39, 0xa0, 0xa3, 0x05, 0x52, 0x6e, 0x0f, 0xd9, - }, { - 0xa7, 0xdd, 0x0d, 0x78, 0x9e, 0x0b, 0xe3, 0x95, 0x60, 0x36, 0x36, 0x4f, 0xf9, 0x60, 0x5a, 0xa3, - 0x11, 0x24, 0xd2, 0x87, 0xc8, 0x52, 0x75, 0xec, 0xbb, 0xc1, 0x4c, 0xba, 0x24, 0xfe, 0x8f, 0x19, - 0xda, 0x13, 0x66, 0xaf, 0x49, 0xd0, 0x90, 0x06, 0x8c, 0x6a, 0xfb, 0x91, 0x37, 0x8d, 0x0d, 0x78, - 0xbf, 0x49, 0x11, 0xf4, 0x23, 0xe5, 0xce, 0x3b, 0x55, 0xbc, 0xa2, 0x57, 0xe8, 0x22, 0x74, 0xce, - }, { - 0x2c, 0xea, 0xc1, 0xbf, 0x4a, 0x24, 0x1f, 0xc2, 0x79, 0x47, 0xa2, 0x7c, 0xb6, 0xd9, 0x68, 0x15, - 0x80, 0x56, 0x5d, 0x01, 0x33, 0xfd, 0xf4, 0xae, 0xde, 0x30, 0x07, 0x9b, 0xe5, 0x83, 0x9b, 0x68, - 0x49, 0xb4, 0x2e, 0x83, 0x1f, 0xc2, 0xb5, 0x7c, 0xa2, 0x19, 0xd8, 0xe5, 0x7c, 0x2f, 0x83, 0xda, - 0xf7, 0x6b, 0x90, 0xfe, 0xc4, 0x01, 0x5a, 0x97, 0x61, 0xa6, 0x3d, 0x40, 0x0b, 0x58, 0xe6, 0x3d, - }, { - 0x4d, 0xd1, 0xb2, 0x0f, 0x28, 0xbd, 0xe4, 0x78, 0xf6, 0x4a, 0x0f, 0x93, 0x8b, 0x17, 0xd1, 0xa4, - 0x3a, 0xec, 0xc9, 0x35, 0x93, 0x56, 0x7e, 0xcb, 0x55, 0x20, 0xa0, 0xfe, 0x6c, 0x89, 0x17, 0x62, - 0x17, 0x62, 0x4b, 0xb1, 0xb4, 0xde, 0xd1, 0x87, 0xc9, 0x14, 0x3c, 0x4a, 0x7e, 0xa8, 0xe2, 0x7d, - 0xa0, 0x9f, 0xf6, 0x5c, 0x6a, 0x09, 0x8d, 0xf0, 0x0f, 0xe3, 0x53, 0x25, 0x95, 0x36, 0x28, 0xcb, - } -}; - // little endian char array to uint conversion static unsigned int getlong(unsigned char* p) { return (p[0] | p[1] << 0x08 | p[2] << 0x10 | p[3] << 0x18); } -/*========================================== - * Grf data decode : Subs - *------------------------------------------*/ static void NibbleSwap(unsigned char* Src, int len) { for(;0> 3) & 7] & BitMaskTable[prm & 7]) { - tmp[(lop >> 3) & 7] |= BitMaskTable[lop & 7]; - } + uint8_t out; + + switch( in ) + { + case 0x00: out = 0x2B; break; + case 0x2B: out = 0x00; break; + case 0x6C: out = 0x80; break; + case 0x01: out = 0x68; break; + case 0x68: out = 0x01; break; + case 0x48: out = 0x77; break; + case 0x60: out = 0xFF; break; + case 0x77: out = 0x48; break; + case 0xB9: out = 0xC0; break; + case 0xC0: out = 0xB9; break; + case 0xFE: out = 0xEB; break; + case 0xEB: out = 0xFE; break; + case 0x80: out = 0x6C; break; + case 0xFF: out = 0x60; break; + default: out = in; break; } - memcpy(Src,tmp,8); + + return out; } -static void BitConvert4(unsigned char* Src) + +static void grf_shuffle_enc(BIT64* src) { - int lop,prm; - unsigned char tmp[8]; - tmp[0] = ((Src[7]<<5) | (Src[4]>>3)) & 0x3f; // ..0 vutsr - tmp[1] = ((Src[4]<<1) | (Src[5]>>7)) & 0x3f; // ..srqpo n - tmp[2] = ((Src[4]<<5) | (Src[5]>>3)) & 0x3f; // ..o nmlkj - tmp[3] = ((Src[5]<<1) | (Src[6]>>7)) & 0x3f; // ..kjihg f - tmp[4] = ((Src[5]<<5) | (Src[6]>>3)) & 0x3f; // ..g fedcb - tmp[5] = ((Src[6]<<1) | (Src[7]>>7)) & 0x3f; // ..cba98 7 - tmp[6] = ((Src[6]<<5) | (Src[7]>>3)) & 0x3f; // ..8 76543 - tmp[7] = ((Src[7]<<1) | (Src[4]>>7)) & 0x3f; // ..43210 v - - for(lop=0;lop!=4;lop++) { - tmp[lop] = (NibbleData[lop][tmp[lop*2]] & 0xf0) - | (NibbleData[lop][tmp[lop*2+1]] & 0x0f); - } + BIT64 out; + + out.b[0] = src->b[3]; + out.b[1] = src->b[4]; + out.b[2] = src->b[5]; + out.b[3] = src->b[0]; + out.b[4] = src->b[1]; + out.b[5] = src->b[6]; + out.b[6] = src->b[2]; + out.b[7] = grf_substitution(src->b[7]); + + *src = out; +} - memset(tmp+4,0,4); - for(lop=0;lop!=32;lop++) { - prm = BitSwapTable3[lop]-1; - if (tmp[prm >> 3] & BitMaskTable[prm & 7]) { - tmp[(lop >> 3) + 4] |= BitMaskTable[lop & 7]; - } - } - Src[0] ^= tmp[4]; - Src[1] ^= tmp[5]; - Src[2] ^= tmp[6]; - Src[3] ^= tmp[7]; + +static void grf_shuffle_dec(BIT64* src) +{ + BIT64 out; + + out.b[0] = src->b[3]; + out.b[1] = src->b[4]; + out.b[2] = src->b[6]; + out.b[3] = src->b[0]; + out.b[4] = src->b[1]; + out.b[5] = src->b[2]; + out.b[6] = src->b[5]; + out.b[7] = grf_substitution(src->b[7]); + + *src = out; } + static void decode_des_etc(unsigned char* buf, size_t len, int type, int cycle) { + BIT64* p = (BIT64*)buf; + size_t lop,cnt=0; if(cycle<3) cycle=3; else if(cycle<5) cycle++; else if(cycle<7) cycle+=9; else cycle+=15; - for(lop=0; lop*8