5f49b00de7
Batch #5692 by Yommy: 0 byte-identical, 11 confirmed by peer review. - fn_18400 LoadLittleEndian32: logic confirmed by peer review - fn_18401 FealRotate2: logic confirmed by peer review - fn_18402 FealS0: logic confirmed by peer review - fn_18403 FealS1: logic confirmed by peer review - fn_18407 FealF: logic confirmed by peer review - fn_18408 MistyFL: logic confirmed by peer review - fn_18409 MistyFO: logic confirmed by peer review - fn_18410 ShaTransform: logic confirmed by peer review - fn_18411 BuildKeyedBoxes: logic confirmed by peer review - fn_18412 SboxEncryptBlock: logic confirmed by peer review - fn_18413 BuildSboxLookup: logic confirmed by peer review Peer-reviewed-by: willerthal, Snow, SapitoSucio Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes). Adds to the build: Source/Utility/Cipher/CipherPrimitives.cpp
365 lines
17 KiB
C++
365 lines
17 KiB
C++
// GLOBAL: gl_25017
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unsigned short g_sboxEntries[8][64] = {
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{
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0x2, 0x0, 0x0, 0x3, 0x3, 0x1, 0x1, 0x0, 0x0, 0x2, 0x3, 0x0, 0x3, 0x3, 0x2, 0x1,
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0x1, 0x2, 0x2, 0x0, 0x0, 0x2, 0x2, 0x3, 0x1, 0x3, 0x3, 0x1, 0x0, 0x1, 0x1, 0x2,
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0x0, 0x3, 0x1, 0x2, 0x2, 0x2, 0x2, 0x0, 0x3, 0x0, 0x0, 0x3, 0x0, 0x1, 0x3, 0x1,
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0x3, 0x1, 0x2, 0x3, 0x3, 0x1, 0x1, 0x2, 0x1, 0x2, 0x2, 0x0, 0x1, 0x0, 0x0, 0x3,
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},
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{
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0xC, 0x4, 0x4, 0xC, 0x8, 0x0, 0x8, 0x4, 0x0, 0xC, 0xC, 0x0, 0x4, 0x8, 0x0, 0x8,
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0xC, 0x8, 0x4, 0x0, 0x0, 0x4, 0xC, 0x8, 0x8, 0x0, 0x0, 0xC, 0x4, 0xC, 0x8, 0x4,
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0x0, 0xC, 0x8, 0x8, 0x4, 0x8, 0xC, 0x4, 0x8, 0x4, 0x0, 0xC, 0xC, 0x0, 0x4, 0x0,
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0x4, 0xC, 0x8, 0x0, 0x8, 0x4, 0x0, 0x8, 0xC, 0x0, 0x4, 0x4, 0x0, 0x8, 0xC, 0xC,
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},
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{
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0x20, 0x30, 0x0, 0x10, 0x30, 0x0, 0x20, 0x30, 0x0, 0x10, 0x10, 0x0, 0x30, 0x0, 0x10, 0x20,
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0x10, 0x0, 0x30, 0x20, 0x20, 0x10, 0x10, 0x20, 0x30, 0x20, 0x0, 0x30, 0x0, 0x30, 0x20, 0x10,
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0x30, 0x10, 0x0, 0x20, 0x0, 0x30, 0x30, 0x0, 0x20, 0x0, 0x30, 0x30, 0x10, 0x20, 0x0, 0x10,
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0x30, 0x0, 0x10, 0x30, 0x0, 0x20, 0x20, 0x10, 0x10, 0x30, 0x20, 0x10, 0x20, 0x0, 0x10, 0x20,
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},
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{
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0x40, 0xC0, 0xC0, 0x80, 0x80, 0xC0, 0x40, 0x40, 0x0, 0x0, 0x0, 0xC0, 0xC0, 0x0, 0x80, 0x40,
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0x40, 0x0, 0x0, 0x40, 0x80, 0x0, 0x40, 0x80, 0xC0, 0x40, 0x80, 0x80, 0x0, 0x80, 0xC0, 0xC0,
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0x80, 0x40, 0x0, 0xC0, 0xC0, 0x0, 0x0, 0x0, 0x80, 0x80, 0xC0, 0x40, 0x40, 0xC0, 0xC0, 0x80,
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0xC0, 0xC0, 0x40, 0x0, 0x40, 0x40, 0x80, 0xC0, 0x40, 0x80, 0x0, 0x40, 0x80, 0x0, 0x0, 0x80,
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},
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{
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0x0, 0x200, 0x200, 0x300, 0x0, 0x0, 0x100, 0x200, 0x100, 0x0, 0x200, 0x100, 0x300, 0x300, 0x0, 0x100,
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0x200, 0x100, 0x100, 0x0, 0x100, 0x300, 0x300, 0x200, 0x300, 0x100, 0x0, 0x300, 0x200, 0x200, 0x300, 0x0,
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0x0, 0x300, 0x0, 0x200, 0x100, 0x200, 0x300, 0x100, 0x200, 0x100, 0x300, 0x200, 0x100, 0x0, 0x200, 0x300,
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0x300, 0x0, 0x300, 0x300, 0x200, 0x0, 0x100, 0x300, 0x0, 0x200, 0x100, 0x0, 0x0, 0x100, 0x200, 0x100,
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},
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{
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0x800, 0x800, 0x400, 0xC00, 0x800, 0x0, 0xC00, 0x0, 0xC00, 0x400, 0x0, 0x800, 0x0, 0xC00, 0x800, 0x400,
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0x0, 0x0, 0xC00, 0x400, 0x400, 0xC00, 0x0, 0x800, 0x800, 0x0, 0x400, 0xC00, 0x400, 0x400, 0xC00, 0x800,
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0xC00, 0x0, 0x800, 0x400, 0xC00, 0x0, 0x400, 0x800, 0x0, 0xC00, 0x800, 0x400, 0x800, 0xC00, 0x400, 0x800,
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0x400, 0xC00, 0x0, 0x800, 0x0, 0x400, 0x800, 0x400, 0x400, 0x0, 0xC00, 0x0, 0xC00, 0x800, 0x0, 0xC00,
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},
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{
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0x0, 0x3000, 0x3000, 0x0, 0x0, 0x3000, 0x2000, 0x1000, 0x3000, 0x0, 0x0, 0x3000, 0x2000, 0x1000, 0x3000, 0x2000,
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0x1000, 0x2000, 0x2000, 0x1000, 0x3000, 0x1000, 0x1000, 0x2000, 0x1000, 0x0, 0x2000, 0x3000, 0x0, 0x2000, 0x1000, 0x0,
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0x1000, 0x0, 0x0, 0x3000, 0x3000, 0x3000, 0x3000, 0x2000, 0x2000, 0x1000, 0x1000, 0x0, 0x1000, 0x2000, 0x2000, 0x1000,
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0x2000, 0x3000, 0x3000, 0x1000, 0x0, 0x0, 0x2000, 0x3000, 0x0, 0x2000, 0x1000, 0x0, 0x3000, 0x1000, 0x0, 0x2000,
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},
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{
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0xC000, 0x4000, 0x0, 0xC000, 0x8000, 0xC000, 0x0, 0x8000, 0x0, 0x8000, 0xC000, 0x4000, 0xC000, 0x4000, 0x4000, 0x0,
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0x8000, 0x8000, 0xC000, 0x4000, 0x4000, 0x0, 0x8000, 0xC000, 0x4000, 0x0, 0x0, 0x8000, 0x8000, 0xC000, 0x4000, 0x0,
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0x4000, 0x0, 0xC000, 0x4000, 0x0, 0x8000, 0x4000, 0x4000, 0xC000, 0x0, 0x8000, 0x8000, 0x8000, 0x8000, 0x0, 0xC000,
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0x0, 0xC000, 0x0, 0x8000, 0x8000, 0xC000, 0xC000, 0x0, 0xC000, 0x4000, 0x4000, 0x4000, 0x4000, 0x0, 0x8000, 0xC000,
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},
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};
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// GLOBAL: gl_25014
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unsigned char g_mistyS7[128] = {
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0x1F, 0x24, 0x13, 0x6C, 0x37, 0x2E, 0x3F, 0x4A, 0x5D, 0x0F, 0x40, 0x56, 0x25, 0x51, 0x1C, 0x04,
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0x0B, 0x46, 0x20, 0x0D, 0x7B, 0x35, 0x44, 0x42, 0x2B, 0x1E, 0x41, 0x14, 0x4B, 0x79, 0x15, 0x6F,
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0x01, 0x6D, 0x6E, 0x63, 0x18, 0x77, 0x23, 0x05, 0x26, 0x76, 0x00, 0x31, 0x2D, 0x7A, 0x7F, 0x61,
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0x19, 0x12, 0x65, 0x2F, 0x30, 0x39, 0x08, 0x68, 0x5F, 0x78, 0x2A, 0x4C, 0x64, 0x45, 0x75, 0x3D,
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0x59, 0x48, 0x03, 0x57, 0x7C, 0x4F, 0x62, 0x3C, 0x1D, 0x21, 0x5E, 0x27, 0x6A, 0x70, 0x4D, 0x3A,
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0x1B, 0x32, 0x33, 0x5A, 0x3B, 0x10, 0x17, 0x54, 0x5B, 0x1A, 0x72, 0x73, 0x6B, 0x2C, 0x66, 0x49,
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0x0E, 0x55, 0x09, 0x36, 0x74, 0x0C, 0x67, 0x53, 0x28, 0x0A, 0x7E, 0x38, 0x02, 0x07, 0x60, 0x29,
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0x50, 0x22, 0x11, 0x06, 0x47, 0x16, 0x52, 0x4E, 0x71, 0x3E, 0x69, 0x43, 0x34, 0x5C, 0x58, 0x7D,
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};
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// GLOBAL: gl_25015
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unsigned int g_mistyS9[512] = {
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0x03D, 0x1D1, 0x080, 0x0A8, 0x057, 0x1B9, 0x162, 0x148, 0x0D9, 0x105, 0x062, 0x07A, 0x021, 0x1FF, 0x112, 0x108,
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0x149, 0x1C7, 0x174, 0x03E, 0x13B, 0x1B7, 0x08E, 0x1C6, 0x0AE, 0x010, 0x095, 0x1EF, 0x04E, 0x0F2, 0x1FD, 0x085,
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0x0C7, 0x14A, 0x037, 0x07E, 0x0EB, 0x164, 0x193, 0x1D8, 0x0A3, 0x11E, 0x055, 0x02C, 0x01D, 0x1A2, 0x163, 0x118,
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0x001, 0x09D, 0x0F8, 0x1A0, 0x16D, 0x1F3, 0x01C, 0x146, 0x07D, 0x0D1, 0x082, 0x1EA, 0x183, 0x12D, 0x0F4, 0x19E,
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0x1D3, 0x0DD, 0x1E2, 0x128, 0x1E0, 0x0EC, 0x059, 0x091, 0x011, 0x12F, 0x026, 0x0DC, 0x0B0, 0x18C, 0x10F, 0x1F7,
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0x0E7, 0x16C, 0x0B6, 0x0F9, 0x0D8, 0x151, 0x101, 0x14C, 0x103, 0x0B8, 0x154, 0x12B, 0x1AE, 0x017, 0x071, 0x00C,
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0x047, 0x058, 0x07F, 0x1A4, 0x134, 0x129, 0x084, 0x15D, 0x19D, 0x1B2, 0x1A3, 0x048, 0x07C, 0x051, 0x1CA, 0x023,
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0x1AA, 0x143, 0x17B, 0x056, 0x18D, 0x166, 0x0D4, 0x1FB, 0x14D, 0x194, 0x19A, 0x087, 0x1F8, 0x123, 0x0A7, 0x1B8,
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0x1C0, 0x0A9, 0x11D, 0x1B0, 0x1A6, 0x0CD, 0x0F3, 0x05C, 0x102, 0x05B, 0x1D9, 0x144, 0x1F6, 0x0AD, 0x0A5, 0x03A,
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0x00E, 0x1F0, 0x077, 0x04D, 0x17A, 0x086, 0x08B, 0x0B3, 0x171, 0x0BF, 0x10E, 0x104, 0x097, 0x15B, 0x160, 0x168,
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0x065, 0x068, 0x099, 0x150, 0x008, 0x007, 0x17C, 0x0B7, 0x024, 0x019, 0x0DE, 0x127, 0x0DB, 0x0E4, 0x1A9, 0x052,
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0x109, 0x090, 0x19C, 0x1C1, 0x028, 0x1B3, 0x135, 0x16A, 0x176, 0x0DF, 0x1E5, 0x188, 0x0C5, 0x16E, 0x1DE, 0x1B1,
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0x0C3, 0x1DF, 0x036, 0x0EE, 0x1EE, 0x0F0, 0x093, 0x049, 0x09A, 0x1B6, 0x069, 0x081, 0x125, 0x00B, 0x05E, 0x0B4,
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0x018, 0x177, 0x064, 0x0CF, 0x06D, 0x100, 0x199, 0x130, 0x15A, 0x005, 0x120, 0x1BB, 0x1BD, 0x0E0, 0x04F, 0x0D6,
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0x1C3, 0x0CB, 0x153, 0x19F, 0x1E3, 0x0E9, 0x0FB, 0x035, 0x181, 0x0B9, 0x117, 0x1EB, 0x133, 0x009, 0x02D, 0x0D3,
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0x0FD, 0x0F6, 0x0A0, 0x16F, 0x083, 0x08A, 0x156, 0x09B, 0x13C, 0x107, 0x167, 0x098, 0x1D0, 0x1E9, 0x003, 0x1FE,
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0x0BD, 0x122, 0x089, 0x0D2, 0x18F, 0x012, 0x033, 0x06A, 0x142, 0x0ED, 0x170, 0x11B, 0x0E2, 0x14F, 0x158, 0x131,
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0x147, 0x05D, 0x113, 0x1CD, 0x079, 0x161, 0x1A5, 0x179, 0x09E, 0x1B4, 0x0CC, 0x022, 0x132, 0x01A, 0x0E8, 0x004,
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0x187, 0x1ED, 0x197, 0x039, 0x1BF, 0x1D7, 0x027, 0x18B, 0x0C6, 0x09C, 0x0D0, 0x14E, 0x06C, 0x034, 0x1F2, 0x06E,
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0x0CA, 0x025, 0x0BA, 0x191, 0x0FE, 0x013, 0x106, 0x02F, 0x1AD, 0x172, 0x1DB, 0x0C0, 0x10B, 0x1D6, 0x0F5, 0x1EC,
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0x10D, 0x076, 0x114, 0x1AB, 0x075, 0x10C, 0x1E4, 0x159, 0x054, 0x11F, 0x04B, 0x0C4, 0x1BE, 0x0F7, 0x029, 0x0A4,
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0x0BC, 0x0C2, 0x0C9, 0x173, 0x189, 0x1F5, 0x074, 0x1CC, 0x1E6, 0x1A8, 0x195, 0x01F, 0x041, 0x00D, 0x1BA, 0x032,
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0x0D7, 0x0BB, 0x066, 0x1CE, 0x0FC, 0x092, 0x1C5, 0x06F, 0x016, 0x04A, 0x0A1, 0x139, 0x0AF, 0x0F1, 0x190, 0x00A,
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0x13D, 0x1A7, 0x165, 0x03B, 0x042, 0x0DA, 0x192, 0x0CE, 0x0C1, 0x06B, 0x09F, 0x1F1, 0x12C, 0x184, 0x0FA, 0x196,
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0x141, 0x03C, 0x1F9, 0x140, 0x02A, 0x155, 0x11A, 0x1A1, 0x198, 0x0D5, 0x126, 0x1AF, 0x061, 0x12E, 0x157, 0x1DC,
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0x072, 0x18A, 0x0AA, 0x096, 0x115, 0x0EF, 0x045, 0x07B, 0x08D, 0x145, 0x053, 0x05F, 0x178, 0x0B2, 0x02E, 0x020,
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0x1D5, 0x03F, 0x1C9, 0x1E7, 0x1AC, 0x044, 0x038, 0x014, 0x0B1, 0x16B, 0x0AB, 0x0B5, 0x05A, 0x182, 0x1C8, 0x1D4,
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0x1CB, 0x136, 0x17F, 0x046, 0x0E1, 0x01E, 0x1DD, 0x0E6, 0x137, 0x1FA, 0x185, 0x08C, 0x08F, 0x040, 0x1B5, 0x0BE,
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0x13F, 0x1C4, 0x12A, 0x015, 0x006, 0x0FF, 0x19B, 0x0A6, 0x043, 0x088, 0x050, 0x15F, 0x1E8, 0x121, 0x073, 0x17E,
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0x14B, 0x152, 0x1D2, 0x00F, 0x02B, 0x030, 0x13A, 0x0E5, 0x111, 0x138, 0x18E, 0x063, 0x0E3, 0x0C8, 0x1F4, 0x01B,
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0x1E1, 0x169, 0x17D, 0x031, 0x180, 0x10A, 0x094, 0x1DA, 0x186, 0x13E, 0x11C, 0x060, 0x175, 0x1CF, 0x067, 0x119,
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0x078, 0x000, 0x0AC, 0x110, 0x15E, 0x124, 0x002, 0x1BC, 0x0A2, 0x0EA, 0x070, 0x1FC, 0x116, 0x15C, 0x04C, 0x1C2,
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};
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// GLOBAL: gl_25016
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int g_sboxBitSelect[8][6] = {
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{2, 5, 6, 9, 11, 13},
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{1, 4, 7, 10, 8, 14},
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{3, 6, 8, 13, 0, 15},
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{12, 14, 1, 2, 4, 10},
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{0, 10, 3, 14, 6, 12},
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{7, 8, 12, 15, 1, 5},
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{9, 15, 5, 11, 2, 7},
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{11, 13, 0, 4, 3, 9},
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};
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// GLOBAL: gl_25019
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int g_fealRotateTableDirty = 1;
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// GLOBAL: gl_25018
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unsigned short g_sboxLookup[0x10000];
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// GLOBAL: gl_25020
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unsigned char g_fealRotateTable[256];
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// OFFSET: 0x00B0C3D0
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// FUNCTION: fn_18400
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unsigned int LoadLittleEndian32(const unsigned char* bytes) {
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return ((((static_cast<unsigned int>(bytes[3]) << 8) | bytes[2]) << 8 | bytes[1]) << 8) | bytes[0];
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}
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// OFFSET: 0x00B0C440
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// FUNCTION: fn_18401
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__declspec(noinline) unsigned char FealRotate2(unsigned char value) {
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if (g_fealRotateTableDirty) {
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int low = 0;
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int high = 0;
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for (int i = 0; i < 256; ++i) {
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g_fealRotateTable[i] = static_cast<unsigned char>(high + low);
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low += 4;
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if (low > 255) {
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low = 0;
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++high;
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}
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}
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g_fealRotateTableDirty = 0;
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}
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return g_fealRotateTable[value];
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}
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// OFFSET: 0x00B0C4A0
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// FUNCTION: fn_18402
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__declspec(noinline) unsigned char FealS0(unsigned char a, unsigned char b) {
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return FealRotate2(static_cast<unsigned char>(a + b));
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}
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// OFFSET: 0x00B0C4C0
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// FUNCTION: fn_18403
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__declspec(noinline) unsigned char FealS1(unsigned char a, unsigned char b) {
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return FealRotate2(static_cast<unsigned char>(a + 1 + b));
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}
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// OFFSET: 0x00B11070
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// FUNCTION: fn_18407
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unsigned int FealF(unsigned int alpha, unsigned int beta) {
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const unsigned char* a = reinterpret_cast<const unsigned char*>(&alpha);
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const unsigned char* b = reinterpret_cast<const unsigned char*>(&beta);
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unsigned char f[4];
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unsigned char f2 = a[3] ^ a[2] ^ b[1];
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unsigned char f1 = FealS1(a[1] ^ b[0] ^ a[0], f2);
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f2 = FealS0(f2, f1);
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f[1] = f1;
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f[2] = f2;
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f[0] = FealS0(a[0], f1);
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f[3] = FealS1(a[3], f2);
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return *reinterpret_cast<unsigned int*>(f);
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}
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// OFFSET: 0x00B11430
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// FUNCTION: fn_18408
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unsigned int MistyFL(const unsigned int* ek, unsigned int input, unsigned char k) {
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unsigned int d0 = input >> 16;
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unsigned int d1 = input & 0xFFFF;
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if (k % 2) {
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unsigned char t = static_cast<unsigned char>((k - 1) / 2);
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d1 ^= d0 & ek[((t + 2) % 8) + 8];
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d0 ^= d1 | ek[(t + 4) % 8];
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} else {
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unsigned char t = k / 2;
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d1 ^= d0 & ek[t];
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d0 ^= d1 | ek[((t + 6) % 8) + 8];
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}
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return (d0 << 16) | d1;
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}
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#define MISTY_FI(input, key, output) { unsigned int d9 = ((input) >> 7) & 0x1FF; unsigned int d7 = (input) & 0x7F; d9 = g_mistyS9[d9] ^ d7; d7 = (g_mistyS7[d7] ^ ((key) >> 9) ^ d9) & 0x7F; d9 = g_mistyS9[((key) & 0x1FF) ^ d9] ^ d7; (output) = d9 | (d7 << 9); }
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// OFFSET: 0x00B11510
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// FUNCTION: fn_18409
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unsigned int MistyFO(const unsigned int* ek, unsigned int input, unsigned char k) {
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unsigned int t0 = input >> 16;
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unsigned int t1 = input & 0xFFFF;
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t0 ^= ek[k];
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MISTY_FI(t0, ek[((k + 5) % 8) + 8], t0);
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t0 ^= t1;
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t1 ^= ek[(k + 2) % 8];
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|
MISTY_FI(t1, ek[((k + 1) % 8) + 8], t1);
|
|
t1 ^= t0;
|
|
t0 ^= ek[(k + 7) % 8];
|
|
MISTY_FI(t0, ek[((k + 3) % 8) + 8], t0);
|
|
t0 ^= t1;
|
|
t1 ^= ek[(k + 4) % 8];
|
|
return (t1 << 16) | t0;
|
|
}
|
|
|
|
// OFFSET: 0x00B11650
|
|
// FUNCTION: fn_18410
|
|
int ShaTransform(const unsigned char* state, unsigned int word, unsigned int* digest) {
|
|
unsigned int w[80];
|
|
unsigned int h0 = ((((static_cast<unsigned int>(state[0]) << 8) | state[1]) << 8 | state[2]) << 8) | state[3];
|
|
unsigned int h1 = ((((static_cast<unsigned int>(state[4]) << 8) | state[5]) << 8 | state[6]) << 8) | state[7];
|
|
unsigned int h2 = ((((static_cast<unsigned int>(state[8]) << 8) | state[9]) << 8 | state[10]) << 8) | state[11];
|
|
unsigned int h3 = ((((static_cast<unsigned int>(state[12]) << 8) | state[13]) << 8 | state[14]) << 8) | state[15];
|
|
unsigned int h4 = ((((static_cast<unsigned int>(state[16]) << 8) | state[17]) << 8 | state[18]) << 8) | state[19];
|
|
int i;
|
|
|
|
w[0] = word;
|
|
for (i = 1; i < 16; ++i) {
|
|
w[i] = 0;
|
|
}
|
|
for (i = 16; i < 80; ++i) {
|
|
w[i] = w[i - 3] ^ w[i - 8] ^ w[i - 14] ^ w[i - 16];
|
|
}
|
|
|
|
unsigned int a = h0;
|
|
unsigned int b = h1;
|
|
unsigned int c = h2;
|
|
unsigned int d = h3;
|
|
unsigned int e = h4;
|
|
unsigned int temp;
|
|
for (i = 0; i < 20; ++i) {
|
|
temp = ((a << 5) | (a >> 27)) + ((b & c) | (~b & d)) + e + w[i] + 0x5A827998;
|
|
e = d;
|
|
d = c;
|
|
c = (b << 30) | (b >> 2);
|
|
b = a;
|
|
a = temp;
|
|
}
|
|
for (i = 20; i < 40; ++i) {
|
|
temp = ((a << 5) | (a >> 27)) + (b ^ c ^ d) + e + w[i] + 0x6EF9EBA1;
|
|
e = d;
|
|
d = c;
|
|
c = (b << 30) | (b >> 2);
|
|
b = a;
|
|
a = temp;
|
|
}
|
|
for (i = 40; i < 60; ++i) {
|
|
temp = ((a << 5) | (a >> 27)) + (((b | c) & d) | (b & c)) + e + w[i] + 0x7F1CBCDC;
|
|
e = d;
|
|
d = c;
|
|
c = (b << 30) | (b >> 2);
|
|
b = a;
|
|
a = temp;
|
|
}
|
|
for (i = 60; i < 80; ++i) {
|
|
temp = ((a << 5) | (a >> 27)) + (b ^ c ^ d) + e + w[i] + 0xAA62D1D6;
|
|
e = d;
|
|
d = c;
|
|
c = (b << 30) | (b >> 2);
|
|
b = a;
|
|
a = temp;
|
|
}
|
|
|
|
digest[0] = h0 + a;
|
|
digest[1] = h1 + b;
|
|
digest[2] = h2 + c;
|
|
digest[3] = h3 + d;
|
|
digest[4] = h4 + e;
|
|
return 0;
|
|
}
|
|
|
|
// OFFSET: 0x00B11B80
|
|
// FUNCTION: fn_18411
|
|
void BuildKeyedBoxes(unsigned char* boxes, const unsigned char* key, int keyLength, int count) {
|
|
if (count <= 0) {
|
|
return;
|
|
}
|
|
|
|
for (int box = 0; box < count; ++box) {
|
|
for (int i = 0; i < 256; ++i) {
|
|
boxes[box * 256 + i] = static_cast<unsigned char>(i);
|
|
}
|
|
}
|
|
|
|
int j = keyLength;
|
|
int keyIndex = 0;
|
|
int base = 0;
|
|
for (int box = 0; box < count; ++box) {
|
|
int offset = 0;
|
|
for (int pass = 0; pass < 8; ++pass) {
|
|
for (int i = 0; i < 256; ++i) {
|
|
j = (boxes[base + (offset + i) % 256] + j + key[keyIndex]) % 256;
|
|
unsigned char swap = boxes[base + i];
|
|
boxes[base + i] = boxes[base + j];
|
|
boxes[base + j] = swap;
|
|
keyIndex = (keyIndex + 1) % keyLength;
|
|
}
|
|
offset += box;
|
|
}
|
|
base += 256;
|
|
}
|
|
}
|
|
|
|
#define SBOX_ROUND(a, b, c) ((g_sboxLookup[((a) & 0x36) | ((c) & 0x6900) | ((b) & 0x6C0)] & 0xF) | (g_sboxLookup[((c) & 0x22A) | ((a) & 0x2980) | ((b) & 0x9011)] & 0xCC00) | (g_sboxLookup[((b) & 0x4828) | ((c) & 0x10C4) | ((a) & 0x8601)] & 0x3300) | (g_sboxLookup[((c) & 0x8411) | ((a) & 0x5048) | ((b) & 0x2106)] & 0xF0))
|
|
|
|
// OFFSET: 0x00B120B0
|
|
// FUNCTION: fn_18412
|
|
void SboxEncryptBlock(unsigned char* block, const unsigned short* key) {
|
|
unsigned short x0 = static_cast<unsigned short>((block[1] << 8) | block[0]);
|
|
unsigned short x1 = static_cast<unsigned short>((block[3] << 8) | block[2]);
|
|
unsigned short x2 = static_cast<unsigned short>((block[5] << 8) | block[4]);
|
|
unsigned short x3 = static_cast<unsigned short>((block[7] << 8) | block[6]);
|
|
|
|
for (int round = 8; round != 0; --round) {
|
|
unsigned int a;
|
|
unsigned int b;
|
|
unsigned int c;
|
|
a = static_cast<unsigned short>(key[0] ^ x1);
|
|
b = static_cast<unsigned short>(key[1] ^ x2);
|
|
c = static_cast<unsigned short>(key[2] ^ x3);
|
|
x0 ^= SBOX_ROUND(a, b, c);
|
|
a = static_cast<unsigned short>(key[3] ^ x2);
|
|
b = static_cast<unsigned short>(key[4] ^ x3);
|
|
c = static_cast<unsigned short>(key[5] ^ x0);
|
|
x1 ^= SBOX_ROUND(a, b, c);
|
|
a = static_cast<unsigned short>(key[6] ^ x3);
|
|
b = static_cast<unsigned short>(key[7] ^ x0);
|
|
c = static_cast<unsigned short>(key[8] ^ x1);
|
|
x2 ^= SBOX_ROUND(a, b, c);
|
|
a = static_cast<unsigned short>(key[9] ^ x0);
|
|
b = static_cast<unsigned short>(key[10] ^ x1);
|
|
c = static_cast<unsigned short>(key[11] ^ x2);
|
|
x3 ^= SBOX_ROUND(a, b, c);
|
|
key += 12;
|
|
}
|
|
|
|
block[0] = static_cast<unsigned char>(x0);
|
|
block[1] = static_cast<unsigned char>(x0 >> 8);
|
|
block[2] = static_cast<unsigned char>(x1);
|
|
block[3] = static_cast<unsigned char>(x1 >> 8);
|
|
block[4] = static_cast<unsigned char>(x2);
|
|
block[5] = static_cast<unsigned char>(x2 >> 8);
|
|
block[6] = static_cast<unsigned char>(x3);
|
|
block[7] = static_cast<unsigned char>(x3 >> 8);
|
|
}
|
|
|
|
#define SBOX_INDEX(value, box) ((((((((value) >> g_sboxBitSelect[box][5]) & 1) * 2 | (((value) >> g_sboxBitSelect[box][4]) & 1)) * 2 | (((value) >> g_sboxBitSelect[box][3]) & 1)) * 2 | (((value) >> g_sboxBitSelect[box][2]) & 1)) * 2 | (((value) >> g_sboxBitSelect[box][1]) & 1)) * 2 | (((value) >> g_sboxBitSelect[box][0]) & 1))
|
|
|
|
// OFFSET: 0x00B124F0
|
|
// FUNCTION: fn_18413
|
|
void BuildSboxLookup() {
|
|
for (unsigned int value = 0; value < 0x10000; ++value) {
|
|
g_sboxLookup[value] = static_cast<unsigned short>(
|
|
g_sboxEntries[0][SBOX_INDEX(value, 0)] | g_sboxEntries[1][SBOX_INDEX(value, 1)] |
|
|
g_sboxEntries[2][SBOX_INDEX(value, 2)] | g_sboxEntries[3][SBOX_INDEX(value, 3)] |
|
|
g_sboxEntries[4][SBOX_INDEX(value, 4)] | g_sboxEntries[5][SBOX_INDEX(value, 5)] |
|
|
g_sboxEntries[6][SBOX_INDEX(value, 6)] | g_sboxEntries[7][SBOX_INDEX(value, 7)]);
|
|
}
|
|
}
|