Implémentation de la clé en White-Box Crypto à l'aide de Polynomes
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1 changed files with 198 additions and 65 deletions
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// Malware.cpp<70>: d<>finit le point d'entr<74>e pour l'application console.
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//
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#pragma clang diagnostic ignored "-Wwritable-strings"
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#include "stdafx.h"
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#include <iostream>
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#include <stdint.h>
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#include <stdio.h> // Indispensable pour printf
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#include "stdafx.h" // IWYU pragma: keep
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#include <cstdlib>
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#include <stdio.h>
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#include "encryption.h"
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#include "lonesha256.h"
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#ifdef _WIN32
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#include <windows.h>
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#endif
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//Polynome de dérivation
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const uint8_t POLYNOMIALS[8][256] = {
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{ // Polynôme pour l'octet 0
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0x88, 0xC8, 0xF5, 0xEF, 0x06, 0x3F, 0x0F, 0xEC, 0x94, 0xB5, 0x79, 0xA6, 0x43, 0x04, 0x2A, 0x0A,
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0x41, 0x11, 0x2F, 0xA7, 0xC4, 0x8B, 0xF1, 0xC5, 0x0C, 0x7E, 0x1E, 0xC3, 0x33, 0x71, 0xF2, 0x57,
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0x86, 0x08, 0x54, 0x14, 0x82, 0x22, 0x5E, 0x55, 0x93, 0x0D, 0xF9, 0x91, 0x18, 0xFC, 0x3C, 0x9D,
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0x66, 0xE2, 0xFF, 0xAE, 0x17, 0x10, 0xA8, 0x28, 0x1F, 0x44, 0xBC, 0xAA, 0x3D, 0x1A, 0xE9, 0x39,
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0x30, 0xE3, 0x78, 0x21, 0xCC, 0xDF, 0xE5, 0x47, 0x2E, 0x20, 0x4B, 0x50, 0x3E, 0x88, 0x63, 0x4F,
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0x7A, 0x34, 0xC9, 0x72, 0x60, 0xDD, 0xF0, 0x42, 0x83, 0xA5, 0xD1, 0x8E, 0x5C, 0x40, 0x96, 0xA0,
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0x7C, 0x0B, 0xC6, 0x9E, 0xF4, 0x68, 0x89, 0xE4, 0xC0, 0xA1, 0xFB, 0x84, 0x1D, 0x51, 0xB9, 0x07,
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0xB8, 0x80, 0x37, 0x5B, 0xF8, 0x16, 0x97, 0x27, 0xF3, 0xD0, 0x09, 0xD3, 0x9B, 0x59, 0xED, 0x13,
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0x3A, 0xA2, 0x69, 0x0E, 0x6B, 0x1B, 0x6E, 0xB6, 0xEB, 0x2C, 0x35, 0x4E, 0xFD, 0xBB, 0x12, 0xBD,
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0x2D, 0xB2, 0xC1, 0x26, 0x74, 0x5F, 0xD2, 0x1C, 0xD6, 0x36, 0xDC, 0x77, 0xCD, 0x58, 0x6A, 0x9C,
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0xE1, 0x6D, 0x24, 0x61, 0x5A, 0x7F, 0x99, 0x4C, 0xE8, 0xBE, 0xBF, 0x38, 0xB7, 0x6C, 0xA3, 0xEE,
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0x81, 0xB0, 0xD4, 0x23, 0xD9, 0xDA, 0x48, 0xC2, 0xB4, 0xFE, 0x29, 0x98, 0xCB, 0x67, 0x65, 0x70,
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0x75, 0xD8, 0x5D, 0xC7, 0x19, 0x7B, 0xB3, 0x46, 0xA9, 0xAF, 0x90, 0x9F, 0x73, 0xE7, 0x52, 0x2B,
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0x8D, 0xCE, 0xCA, 0xE0, 0xEA, 0xAB, 0xBA, 0x95, 0x32, 0xF6, 0x7D, 0x8C, 0x49, 0x45, 0x3B, 0x25,
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0xE6, 0xD5, 0xA4, 0x56, 0x01, 0x87, 0x8F, 0xDB, 0xCF, 0x4D, 0x6F, 0x31, 0x64, 0xF7, 0xFA, 0x03,
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0x92, 0x8A, 0x76, 0x4A, 0xD7, 0xB1, 0x53, 0xAC, 0x02, 0x15, 0x05, 0xAD, 0x85, 0x9A, 0xDE, 0x62,
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},
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{ // Polynôme pour l'octet 1
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0x77, 0xF9, 0xD3, 0x73, 0xF2, 0x07, 0x75, 0x2F, 0x9E, 0xD9, 0x0F, 0x42, 0xE8, 0x15, 0x50, 0xCD,
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0xF7, 0x39, 0x2D, 0xD5, 0xAE, 0x6B, 0xAB, 0x55, 0xF3, 0xAF, 0xC3, 0x1D, 0x67, 0x0A, 0x7C, 0xB0,
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0xEF, 0x60, 0x7F, 0x53, 0x2E, 0x36, 0x6F, 0x3D, 0xBB, 0x3B, 0x66, 0xA2, 0xCA, 0x82, 0x16, 0xB3,
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0x0C, 0xA1, 0x29, 0x43, 0x40, 0xA3, 0x62, 0x34, 0x24, 0x4A, 0xDF, 0xD2, 0xDB, 0x44, 0x35, 0x8C,
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0xFC, 0xED, 0x2B, 0x08, 0x37, 0xC7, 0x8B, 0x89, 0xC2, 0xB5, 0xD1, 0x38, 0x85, 0x63, 0x9C, 0x92,
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0x78, 0x26, 0x01, 0xA8, 0xB6, 0x32, 0xF9, 0xD3, 0x73, 0xF2, 0x07, 0x75, 0x2F, 0x9E, 0xD9, 0x0F,
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0x42, 0xE8, 0x15, 0x50, 0xCD, 0xF7, 0x39, 0x2D, 0xD5, 0xAE, 0x6B, 0xAB, 0x55, 0xF3, 0xAF, 0xC3,
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0x1D, 0x67, 0x0A, 0x7C, 0xB0, 0xEF, 0x60, 0x7F, 0x53, 0x2E, 0x36, 0x6F, 0x3D, 0xBB, 0x3B, 0x66,
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0xA2, 0xCA, 0x82, 0x16, 0xB3, 0x0C, 0xA1, 0x29, 0x43, 0x40, 0xA3, 0x62, 0x34, 0x24, 0x4A, 0xDF,
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0xD2, 0xDB, 0x44, 0x35, 0x8C, 0xFC, 0xED, 0x2B, 0x08, 0x37, 0xC7, 0x8B, 0x89, 0xC2, 0xB5, 0xD1,
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0x38, 0x85, 0x63, 0x9C, 0x92, 0x78, 0x26, 0x01, 0xA8, 0xB6, 0x32, 0xF9, 0xD3, 0x73, 0xF2, 0x07,
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0x75, 0x2F, 0x9E, 0xD9, 0x0F, 0x42, 0xE8, 0x15, 0x50, 0xCD, 0xF7, 0x39, 0x2D, 0xD5, 0xAE, 0x6B,
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0xAB, 0x55, 0xF3, 0xAF, 0xC3, 0x1D, 0x67, 0x0A, 0x7C, 0xB0, 0xEF, 0x60, 0x7F, 0x53, 0x2E, 0x36,
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0x6F, 0x3D, 0xBB, 0x3B, 0x66, 0xA2, 0xCA, 0x82, 0x16, 0xB3, 0x0C, 0xA1, 0x29, 0x43, 0x40, 0xA3,
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0x62, 0x34, 0x24, 0x4A, 0xDF, 0xD2, 0xDB, 0x44, 0x35, 0x8C, 0xFC, 0xED, 0x2B, 0x08, 0x37, 0xC7,
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0x8B, 0x89, 0xC2, 0xB5, 0xD1, 0x38, 0x85, 0x63, 0x9C, 0x92, 0x78, 0x26, 0x01, 0xA8, 0xB6, 0x32,
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},
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{ // Polynôme pour l'octet 2
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0x66, 0x5C, 0x52, 0xE3, 0x23, 0x5E, 0xD6, 0xA6, 0x59, 0x03, 0xC6, 0xEA, 0x47, 0xFE, 0x18, 0x6A,
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0x11, 0x0E, 0xB1, 0xC0, 0x7D, 0x88, 0x70, 0xFF, 0x5A, 0xC5, 0x2C, 0xAD, 0xB9, 0xE6, 0x72, 0x7B,
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0x1F, 0xBF, 0x71, 0xBD, 0xF5, 0xF8, 0x8F, 0xA5, 0x9F, 0xE9, 0x81, 0x14, 0x5F, 0x94, 0x09, 0x64,
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0xA0, 0xCE, 0xCC, 0x48, 0x0D, 0x77, 0x2A, 0x3A, 0x76, 0x68, 0x95, 0x4B, 0xCB, 0x9D, 0x6D, 0xC4,
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0x6E, 0x02, 0x84, 0x45, 0x7A, 0x5D, 0x10, 0x4C, 0x1E, 0xFD, 0xDE, 0x80, 0x56, 0xF0, 0xA9, 0xAA,
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0x6C, 0x86, 0xC1, 0x3F, 0x27, 0x4D, 0x5C, 0x52, 0xE3, 0x23, 0x5E, 0xD6, 0xA6, 0x59, 0x03, 0xC6,
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0xEA, 0x47, 0xFE, 0x18, 0x6A, 0x11, 0x0E, 0xB1, 0xC0, 0x7D, 0x88, 0x70, 0xFF, 0x5A, 0xC5, 0x2C,
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0xAD, 0xB9, 0xE6, 0x72, 0x7B, 0x1F, 0xBF, 0x71, 0xBD, 0xF5, 0xF8, 0x8F, 0xA5, 0x9F, 0xE9, 0x81,
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0x14, 0x5F, 0x94, 0x09, 0x64, 0xA0, 0xCE, 0xCC, 0x48, 0x0D, 0x77, 0x2A, 0x3A, 0x76, 0x68, 0x95,
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0x4B, 0xCB, 0x9D, 0x6D, 0xC4, 0x6E, 0x02, 0x84, 0x45, 0x7A, 0x5D, 0x10, 0x4C, 0x1E, 0xFD, 0xDE,
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0x80, 0x56, 0xF0, 0xA9, 0xAA, 0x6C, 0x86, 0xC1, 0x3F, 0x27, 0x4D, 0x5C, 0x52, 0xE3, 0x23, 0x5E,
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0xD6, 0xA6, 0x59, 0x03, 0xC6, 0xEA, 0x47, 0xFE, 0x18, 0x6A, 0x11, 0x0E, 0xB1, 0xC0, 0x7D, 0x88,
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0x70, 0xFF, 0x5A, 0xC5, 0x2C, 0xAD, 0xB9, 0xE6, 0x72, 0x7B, 0x1F, 0xBF, 0x71, 0xBD, 0xF5, 0xF8,
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0x8F, 0xA5, 0x9F, 0xE9, 0x81, 0x14, 0x5F, 0x94, 0x09, 0x64, 0xA0, 0xCE, 0xCC, 0x48, 0x0D, 0x77,
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0x2A, 0x3A, 0x76, 0x68, 0x95, 0x4B, 0xCB, 0x9D, 0x6D, 0xC4, 0x6E, 0x02, 0x84, 0x45, 0x7A, 0x5D,
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0x10, 0x4C, 0x1E, 0xFD, 0xDE, 0x80, 0x56, 0xF0, 0xA9, 0xAA, 0x6C, 0x86, 0xC1, 0x3F, 0x27, 0x4D,
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},
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{ // Polynôme pour l'octet 3
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0x55, 0x52, 0x2F, 0xDD, 0xD6, 0x8C, 0x57, 0xC6, 0x7F, 0xCF, 0x18, 0x07, 0xD4, 0xB1, 0x44, 0x9B,
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0x70, 0xEF, 0xE5, 0x2C, 0x73, 0x41, 0x72, 0xD2, 0xF6, 0x71, 0x7C, 0x61, 0x8F, 0xF9, 0x51, 0x81,
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0x4A, 0x28, 0x09, 0x67, 0xC8, 0xCC, 0xB6, 0x90, 0x2A, 0x34, 0x74, 0x95, 0xC3, 0x96, 0x6D, 0x01,
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0x93, 0x84, 0xA3, 0x8A, 0x10, 0xF3, 0x98, 0xDE, 0x78, 0x1B, 0xA9, 0x43, 0x4F, 0xC1, 0xAB, 0x7E,
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0x5C, 0x9C, 0xA4, 0x5E, 0xA1, 0xB7, 0x03, 0xAE, 0x97, 0xFE, 0x85, 0x30, 0x0E, 0xB3, 0x79, 0x88,
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0x2D, 0xE0, 0xC5, 0xD1, 0x58, 0xE6, 0x82, 0xE4, 0xBF, 0xF7, 0xE2, 0xF8, 0xC2, 0x05, 0xE9, 0xA2,
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0x19, 0x94, 0x50, 0x12, 0xCE, 0x8B, 0x83, 0x77, 0x3B, 0x54, 0x68, 0xE8, 0x31, 0x9D, 0x37, 0xDA,
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0x02, 0x3D, 0x13, 0x5D, 0x0F, 0x20, 0xFD, 0x2B, 0xA7, 0xF0, 0x36, 0x49, 0x86, 0x9E, 0x99, 0x4D,
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0xFC, 0xB8, 0x23, 0x53, 0xBC, 0x59, 0x75, 0x06, 0x47, 0x35, 0xE7, 0x11, 0x60, 0x1C, 0x7D, 0xF2,
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0x0B, 0x5A, 0xDB, 0x91, 0xB9, 0xB0, 0xD7, 0x1F, 0xD3, 0x65, 0xF5, 0xDF, 0xEB, 0x9F, 0x0A, 0xC9,
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0x5F, 0x32, 0x33, 0xA0, 0x24, 0x87, 0x0D, 0x1D, 0xEE, 0x76, 0xA8, 0xD0, 0xCB, 0x62, 0x21, 0x6E,
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0xAF, 0x04, 0x7A, 0x26, 0xBA, 0x1E, 0x40, 0xE1, 0x56, 0x55, 0xFB, 0x6C, 0x92, 0x17, 0x27, 0x29,
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0x9A, 0xE3, 0x6B, 0x46, 0xA6, 0x63, 0xB2, 0xEA, 0x0C, 0x8E, 0x6A, 0xD5, 0x22, 0xC0, 0x38, 0xFA,
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0xFF, 0x16, 0xB4, 0xAD, 0x39, 0x69, 0x7B, 0xB5, 0x3E, 0xBD, 0xCA, 0xF1, 0xA5, 0xCD, 0x25, 0x14,
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0x89, 0xBE, 0x64, 0x66, 0x5B, 0x48, 0x15, 0x1A, 0x3A, 0xC7, 0xEC, 0x4B, 0xBB, 0x8D, 0xC4, 0x42,
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0xDC, 0x45, 0x08, 0xF4, 0x4C, 0x6F, 0x3C, 0x80, 0xD9, 0xAC, 0xAA, 0xED, 0xD8, 0x3F, 0x2E, 0x4E,
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},
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{ // Polynôme pour l'octet 4
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0x44, 0xFB, 0xD6, 0xB3, 0xD7, 0x14, 0x34, 0x13, 0x6C, 0x8C, 0x79, 0x1F, 0x89, 0x74, 0x5D, 0x92,
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0x57, 0x88, 0xD3, 0xBE, 0x95, 0x0F, 0x17, 0xC6, 0x2D, 0x65, 0x64, 0xC3, 0x20, 0x27, 0x7F, 0xE0,
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0xF5, 0x66, 0x96, 0xFD, 0x29, 0xCF, 0xC5, 0xDF, 0x5B, 0x6D, 0x2B, 0x9A, 0x18, 0xD1, 0xEB, 0x48,
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0x01, 0xA7, 0xE3, 0x07, 0x58, 0x9F, 0x15, 0x93, 0xF0, 0x6B, 0xD4, 0xE6, 0x0A, 0x1A, 0x84, 0x36,
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0x46, 0xB1, 0x82, 0xC9, 0x3A, 0xA3, 0x49, 0xA6, 0x44, 0xE4, 0x5F, 0xC7, 0x8A, 0x86, 0x63, 0x9B,
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0xBF, 0x32, 0xEC, 0x10, 0x9E, 0xB2, 0x70, 0xF7, 0x33, 0x4B, 0xF3, 0x99, 0xEA, 0xEF, 0xE2, 0xA0,
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0xBB, 0x98, 0x4D, 0x0C, 0xE5, 0xF8, 0x24, 0x8D, 0xDE, 0xFC, 0x8E, 0x2C, 0xC2, 0x87, 0xC4, 0x78,
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0xB8, 0x6A, 0x73, 0x05, 0x0D, 0x42, 0x1B, 0x23, 0xD5, 0x41, 0xE9, 0x1D, 0xDC, 0xA9, 0x53, 0x22,
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0x72, 0xA2, 0xEE, 0x45, 0x43, 0xBC, 0xC0, 0xD2, 0x19, 0x76, 0x08, 0x4F, 0x59, 0x38, 0xF6, 0x94,
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0xA8, 0xF4, 0xC1, 0x75, 0xFA, 0x71, 0x50, 0xD0, 0x4C, 0xAB, 0x06, 0xFF, 0x7C, 0x12, 0xCB, 0x6F,
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0x7E, 0x47, 0x16, 0x61, 0xCE, 0x62, 0x3C, 0x5C, 0x35, 0xB4, 0x8F, 0x8B, 0x21, 0x80, 0x9C, 0xE7,
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0xAD, 0xF9, 0x83, 0x6E, 0xD9, 0xA4, 0x11, 0x39, 0x51, 0x77, 0xAF, 0xAC, 0x5E, 0x60, 0x69, 0x81,
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0x3B, 0x04, 0xAA, 0xA1, 0x1C, 0x7B, 0x4A, 0x54, 0x7A, 0xED, 0xB7, 0x7D, 0xB5, 0x28, 0x68, 0x26,
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0xD8, 0x03, 0xF2, 0x3E, 0x09, 0xE8, 0xBA, 0x3F, 0xAE, 0x0B, 0xBD, 0x67, 0x31, 0x1E, 0x2E, 0x97,
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0x5A, 0xCA, 0xC8, 0x9D, 0x40, 0x4E, 0xFE, 0xDB, 0xF1, 0xCC, 0x37, 0xE1, 0x52, 0x85, 0x91, 0xA5,
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0xB6, 0xDA, 0x56, 0x2F, 0x30, 0xB9, 0xCD, 0x90, 0x02, 0x55, 0xDD, 0x0E, 0xB0, 0x25, 0x2A, 0x3D,
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},
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{ // Polynôme pour l'octet 5
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0x33, 0x22, 0xB7, 0x17, 0x98, 0x21, 0x90, 0xC9, 0xF6, 0x0B, 0xCF, 0xB8, 0xAC, 0x13, 0xEC, 0x12,
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0xF1, 0x58, 0x22, 0xB7, 0x17, 0x98, 0x21, 0x90, 0xC9, 0xF6, 0x0B, 0xCF, 0xB8, 0xAC, 0x13, 0xEC,
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0x12, 0xF1, 0x58, 0x22, 0xB7, 0x17, 0x98, 0x21, 0x90, 0xC9, 0xF6, 0x0B, 0xCF, 0xB8, 0xAC, 0x13,
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0xEC, 0x12, 0xF1, 0x58, 0x22, 0xB7, 0x17, 0x98, 0x21, 0x90, 0xC9, 0xF6, 0x0B, 0xCF, 0xB8, 0xAC,
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0x13, 0xEC, 0x12, 0xF1, 0x58, 0x22, 0xB7, 0x17, 0x98, 0x21, 0x90, 0xC9, 0xF6, 0x0B, 0xCF, 0xB8,
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0xAC, 0x13, 0xEC, 0x12, 0xF1, 0x58, 0x22, 0xB7, 0x17, 0x98, 0x21, 0x90, 0xC9, 0xF6, 0x0B, 0xCF,
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0xB8, 0xAC, 0x13, 0xEC, 0x12, 0xF1, 0x58, 0x22, 0xB7, 0x17, 0x98, 0x21, 0x90, 0xC9, 0xF6, 0x0B,
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0xCF, 0xB8, 0xAC, 0x13, 0xEC, 0x12, 0xF1, 0x58, 0x22, 0xB7, 0x17, 0x98, 0x21, 0x90, 0xC9, 0xF6,
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0x0B, 0xCF, 0xB8, 0xAC, 0x13, 0xEC, 0x12, 0xF1, 0x58, 0x22, 0xB7, 0x17, 0x98, 0x21, 0x90, 0xC9,
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0xF6, 0x0B, 0xCF, 0xB8, 0xAC, 0x13, 0xEC, 0x12, 0xF1, 0x58, 0x22, 0xB7, 0x17, 0x98, 0x21, 0x90,
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0xC9, 0xF6, 0x0B, 0xCF, 0xB8, 0xAC, 0x13, 0xEC, 0x12, 0xF1, 0x58, 0x22, 0xB7, 0x17, 0x98, 0x21,
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0x90, 0xC9, 0xF6, 0x0B, 0xCF, 0xB8, 0xAC, 0x13, 0xEC, 0x12, 0xF1, 0x58, 0x22, 0xB7, 0x17, 0x98,
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0x21, 0x90, 0xC9, 0xF6, 0x0B, 0xCF, 0xB8, 0xAC, 0x13, 0xEC, 0x12, 0xF1, 0x58, 0x22, 0xB7, 0x17,
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0x98, 0x21, 0x90, 0xC9, 0xF6, 0x0B, 0xCF, 0xB8, 0xAC, 0x13, 0xEC, 0x12, 0xF1, 0x58, 0x22, 0xB7,
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0x17, 0x98, 0x21, 0x90, 0xC9, 0xF6, 0x0B, 0xCF, 0xB8, 0xAC, 0x13, 0xEC, 0x12, 0xF1, 0x58, 0x22,
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0xB7, 0x17, 0x98, 0x21, 0x90, 0xC9, 0xF6, 0x0B, 0xCF, 0xB8, 0xAC, 0x13, 0xEC, 0x12, 0xF1, 0x58,
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},
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{ // Polynôme pour l'octet 6
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0x22, 0x41, 0x7C, 0x81, 0xC8, 0x34, 0x6D, 0x8A, 0x78, 0xC1, 0xA4, 0xAE, 0x0E, 0xE0, 0x82, 0xF8,
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0x19, 0x8B, 0x68, 0xDA, 0x0F, 0xF0, 0x99, 0x53, 0x47, 0x1C, 0xDB, 0x1F, 0xEB, 0x32, 0x0D, 0xD0,
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0xAF, 0x1E, 0xFB, 0x29, 0xA6, 0x8E, 0x38, 0xAD, 0x3E, 0xCD, 0x64, 0x1A, 0xBB, 0x45, 0x3C, 0xED,
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||||
0x52, 0x57, 0x07, 0x70, 0x41, 0x7C, 0x81, 0xC8, 0x34, 0x6D, 0x8A, 0x78, 0xC1, 0xA4, 0xAE, 0x0E,
|
||||
0xE0, 0x82, 0xF8, 0x19, 0x8B, 0x68, 0xDA, 0x0F, 0xF0, 0x99, 0x53, 0x47, 0x1C, 0xDB, 0x1F, 0xEB,
|
||||
0x32, 0x0D, 0xD0, 0xAF, 0x1E, 0xFB, 0x29, 0xA6, 0x8E, 0x38, 0xAD, 0x3E, 0xCD, 0x64, 0x1A, 0xBB,
|
||||
0x45, 0x3C, 0xED, 0x52, 0x57, 0x07, 0x70, 0x41, 0x7C, 0x81, 0xC8, 0x34, 0x6D, 0x8A, 0x78, 0xC1,
|
||||
0xA4, 0xAE, 0x0E, 0xE0, 0x82, 0xF8, 0x19, 0x8B, 0x68, 0xDA, 0x0F, 0xF0, 0x99, 0x53, 0x47, 0x1C,
|
||||
0xDB, 0x1F, 0xEB, 0x32, 0x0D, 0xD0, 0xAF, 0x1E, 0xFB, 0x29, 0xA6, 0x8E, 0x38, 0xAD, 0x3E, 0xCD,
|
||||
0x64, 0x1A, 0xBB, 0x45, 0x3C, 0xED, 0x52, 0x57, 0x07, 0x70, 0x41, 0x7C, 0x81, 0xC8, 0x34, 0x6D,
|
||||
0x8A, 0x78, 0xC1, 0xA4, 0xAE, 0x0E, 0xE0, 0x82, 0xF8, 0x19, 0x8B, 0x68, 0xDA, 0x0F, 0xF0, 0x99,
|
||||
0x53, 0x47, 0x1C, 0xDB, 0x1F, 0xEB, 0x32, 0x0D, 0xD0, 0xAF, 0x1E, 0xFB, 0x29, 0xA6, 0x8E, 0x38,
|
||||
0xAD, 0x3E, 0xCD, 0x64, 0x1A, 0xBB, 0x45, 0x3C, 0xED, 0x52, 0x57, 0x07, 0x70, 0x41, 0x7C, 0x81,
|
||||
0xC8, 0x34, 0x6D, 0x8A, 0x78, 0xC1, 0xA4, 0xAE, 0x0E, 0xE0, 0x82, 0xF8, 0x19, 0x8B, 0x68, 0xDA,
|
||||
0x0F, 0xF0, 0x99, 0x53, 0x47, 0x1C, 0xDB, 0x1F, 0xEB, 0x32, 0x0D, 0xD0, 0xAF, 0x1E, 0xFB, 0x29,
|
||||
0xA6, 0x8E, 0x38, 0xAD, 0x3E, 0xCD, 0x64, 0x1A, 0xBB, 0x45, 0x3C, 0xED, 0x52, 0x57, 0x07, 0x70,
|
||||
},
|
||||
{ // Polynôme pour l'octet 7
|
||||
0x11, 0xBB, 0x9D, 0x8D, 0x37, 0xC4, 0xDA, 0x42, 0x02, 0xDC, 0x3D, 0x45, 0x13, 0x08, 0x5D, 0xF4,
|
||||
0x0F, 0x4C, 0x20, 0x6F, 0xFD, 0x3C, 0x2B, 0x80, 0xA7, 0xD9, 0xF0, 0xAC, 0x36, 0xAA, 0x49, 0xED,
|
||||
0x86, 0xD8, 0x9E, 0x3F, 0x99, 0x2E, 0x4D, 0x4E, 0xFC, 0x52, 0xB8, 0x2F, 0x23, 0xDD, 0x53, 0xD6,
|
||||
0xBC, 0x8C, 0x59, 0x57, 0x75, 0xC6, 0x06, 0x7F, 0x47, 0xCF, 0x35, 0x18, 0xE7, 0x07, 0x11, 0xD4,
|
||||
0x60, 0xB1, 0x1C, 0x44, 0x7D, 0x9B, 0xF2, 0x70, 0x0B, 0xEF, 0x5A, 0xE5, 0xDB, 0x2C, 0x91, 0x73,
|
||||
0xB9, 0x41, 0xB0, 0x72, 0xD7, 0xD2, 0x1F, 0xF6, 0xD3, 0x71, 0x65, 0x7C, 0xF5, 0x61, 0xDF, 0x8F,
|
||||
0xEB, 0xF9, 0x9F, 0x51, 0x0A, 0x81, 0xC9, 0x4A, 0x5F, 0x28, 0x32, 0x09, 0x33, 0x67, 0xA0, 0xC8,
|
||||
0x24, 0xCC, 0x87, 0xB6, 0x0D, 0x90, 0x1D, 0x2A, 0xEE, 0x34, 0x76, 0x74, 0xA8, 0x95, 0xD0, 0xC3,
|
||||
0xCB, 0x96, 0x62, 0x6D, 0x21, 0x01, 0x6E, 0x93, 0xAF, 0x84, 0x04, 0xA3, 0x7A, 0x8A, 0x26, 0x10,
|
||||
0xBA, 0xF3, 0x1E, 0x98, 0x40, 0xDE, 0xE1, 0x78, 0x56, 0x1B, 0x55, 0xA9, 0xFB, 0x43, 0x6C, 0x4F,
|
||||
0x92, 0xC1, 0x17, 0xAB, 0x27, 0x7E, 0x29, 0x5C, 0x9A, 0x9C, 0xE3, 0xA4, 0x6B, 0x5E, 0x46, 0xA1,
|
||||
0xA6, 0xB7, 0x63, 0x03, 0xB2, 0xAE, 0xEA, 0x97, 0x0C, 0xFE, 0x8E, 0x85, 0x6A, 0x30, 0xD5, 0x0E,
|
||||
0x22, 0xB3, 0xC0, 0x79, 0x38, 0x88, 0xFA, 0x2D, 0xFF, 0xE0, 0x16, 0xC5, 0xB4, 0xD1, 0xAD, 0x58,
|
||||
0x39, 0xE6, 0x69, 0x82, 0x7B, 0xE4, 0xB5, 0xBF, 0x3E, 0xF7, 0xBD, 0xE2, 0xCA, 0xF8, 0xF1, 0xC2,
|
||||
0xA5, 0x05, 0xCD, 0xE9, 0x25, 0xA2, 0x14, 0x19, 0x89, 0x94, 0xBE, 0x50, 0x64, 0x12, 0x66, 0xCE,
|
||||
0x5B, 0x8B, 0x48, 0x83, 0x15, 0x77, 0x1A, 0x3B, 0x3A, 0x54, 0xC7, 0x68, 0xEC, 0xE8, 0x4B, 0x31,
|
||||
},
|
||||
};
|
||||
|
||||
|
||||
typedef struct {
|
||||
char* (*p1)();
|
||||
int (*p2)(char* decoded);
|
||||
} FuncList;
|
||||
|
||||
char* this_is_useful_fr_dont_miss_it(){ // it's not, pure red herring
|
||||
char* useful = (char*) malloc(sizeof(char)*100);
|
||||
for (int i = 0; i < 99; i++){
|
||||
useful[i] ^= useful[i+1] + 'c';
|
||||
}
|
||||
return useful;
|
||||
}
|
||||
|
||||
int cmp_hash(char* decoded){
|
||||
unsigned char hash[32] = {0xf4,0xed,0x2a,0x38,0xd2,0xff,0xcc,0x38,0xbc,0x63,0x28,0x46,0xaf,0xe2,0x4f,0x34,0x2d,0xd8,0xb8,0x5e,0x74,0xbd,0x73,0x99,0x2d,0x91,0x56,0x24,0xb4,0x73,0x5d,0xee};
|
||||
unsigned char hash_computed[32];
|
||||
lonesha256(hash_computed, (unsigned char*) decoded, sizeof(char)*57);
|
||||
for(int i = 0; i < 32; i++){
|
||||
if(hash[i] != hash_computed[i]){
|
||||
return hash[i]-hash_computed[i];
|
||||
}
|
||||
// Multiplication sur le corps GF(256)
|
||||
uint8_t gf_mul(uint8_t a, uint8_t b) {
|
||||
uint8_t p = 0;
|
||||
for (int i = 0; i < 8; i++) {
|
||||
if (b & 1) p ^= a;
|
||||
uint8_t hi_bit = a & 0x80;
|
||||
a <<= 1;
|
||||
if (hi_bit) a ^= 0x1B;
|
||||
b >>= 1;
|
||||
}
|
||||
return 0;
|
||||
return p;
|
||||
}
|
||||
|
||||
int _tmain(int argc, wchar_t* argv[])
|
||||
{
|
||||
FuncList list = {
|
||||
this_is_useful_fr_dont_miss_it,
|
||||
cmp_hash
|
||||
};
|
||||
argcverif:
|
||||
if(argc <= 1){
|
||||
// Evaluation de polynome
|
||||
uint8_t evaluate_polynomial(uint8_t x, const uint8_t coeffs[256]) {
|
||||
uint8_t result = 0;
|
||||
uint8_t x_pow = 1;
|
||||
for (int j = 0; j < 256; j++) {
|
||||
result ^= gf_mul(coeffs[j], x_pow);
|
||||
x_pow = gf_mul(x_pow, x);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
int main(int argc, char* argv[]) {
|
||||
// Si pas d'argument, on quitte proprement
|
||||
if (argc < 2) {
|
||||
printf("Il est ou l'argv??????");
|
||||
goto argcverif;
|
||||
exit(1);
|
||||
}
|
||||
// char* encoded = "Salut a tous les amis, gg pour avoir dechiffre ce string";
|
||||
char* encoded = "\x64\x55\x58\x41\x43\x14\x56\x13\x46\x5b\x47\x40\x14\x5e\x52\x47\x13\x56\x5e\x5d\x40\x1f\x13\x53\x54\x14\x42\x5b\x41\x40\x13\x53\x47\x58\x5d\x46\x14\x53\x51\x54\x5b\x5b\x52\x54\x41\x51\x12\x54\x51\x13\x44\x47\x46\x5a\x5d\x54";
|
||||
char* key = (char*) malloc(sizeof(char)*9);
|
||||
for(int i = 0; argv[1][i] != '\0'; ++i) {
|
||||
key[i] = (char) argv[1][i] ^ this_is_useful_fr_dont_miss_it()[i] ^ list.p1()[i]; // xors to argv[1][i]
|
||||
}
|
||||
key[8]='\0';
|
||||
// printf("Key: %s\n", key);
|
||||
encrypt_decrypt(key,encoded);
|
||||
#ifdef _WIN32
|
||||
DWORD old;
|
||||
VirtualProtect( &list.p1, 0x100, PAGE_EXECUTE_READWRITE, &old);
|
||||
#endif
|
||||
if(!list.p2(encoded)){ // cmp_hash
|
||||
printf("%s", encoded);
|
||||
} else {
|
||||
printf("%S", argv[1]);
|
||||
return 1;
|
||||
}
|
||||
|
||||
while (true) {
|
||||
uint8_t derived_key[8] = {0};
|
||||
|
||||
// Dérivation de la clé
|
||||
for (int i = 0; i < 8; i++) {
|
||||
uint8_t input_char = (argv[1][i] != '\0') ? argv[1][i] : 0;
|
||||
derived_key[i] = evaluate_polynomial(input_char, POLYNOMIALS[i]);
|
||||
}
|
||||
return 0;
|
||||
|
||||
}
|
||||
// Le payload chiffré calculé octet par octet
|
||||
//si argv[1] != "V&7mH@t!" => "%s\n\x00xyz1"
|
||||
//si argv[1] = "V&7mH@t!" => "GAGNE!\n\x00"
|
||||
unsigned char payload[8] = { 0xAD, 0x04, 0x6C, 0x55, 0x3C, 0x4A, 0x58, 0x20 };
|
||||
|
||||
// Déchiffrement du payload
|
||||
for (int i = 0; i < 8; i++) {
|
||||
payload[i] ^= derived_key[i];
|
||||
}
|
||||
payload[7] = '\0';
|
||||
|
||||
printf((char*)payload, argv[1]);
|
||||
|
||||
while(1){
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue