#include "stdio.h"
#include <stdlib.h>

//  seemsToEncodeSomething(0x6010a0, dataSize,     buffer,      pass,        18);
// void fun_4008a8(int64_t rdi,      uint32_t esi, int64_t rdx, int64_t rcx, int32_t r8d) {

void seemsToEncodeSomething(long rdi, unsigned nSize, void* rdx, char* rcx, int r8d) {
    long v6;
    unsigned v7;
    void* v8;
    char* v9;
    int v10;
    unsigned v11;
    long rdx12;
    long rdx13;
    long rdx14;
    unsigned eax15;

    v6 = rdi;
    v7 = nSize;
    v8 = rdx;
    v9 = rcx;
    v10 = r8d;
    v11 = 0;
    while (v11 < v7) {
        *reinterpret_cast<unsigned*>(&rdx12) = v11;
        *reinterpret_cast<int*>(reinterpret_cast<long>(&rdx12) + 4) = 0;
        *reinterpret_cast<unsigned*>(&rdx13) = v11;
        *reinterpret_cast<int*>(reinterpret_cast<long>(&rdx13) + 4) = 0;
        *reinterpret_cast<unsigned*>(&rdx14) = v11 % v10;
        *reinterpret_cast<int*>(reinterpret_cast<long>(&rdx14) + 4) = 0;
        eax15 = static_cast<unsigned>(*reinterpret_cast<unsigned char*>(v9 + rdx14)) ^ static_cast<unsigned>(*reinterpret_cast<unsigned char*>(v6 + rdx13));
        *reinterpret_cast<signed char*>(rdx12 + (int)v8) = *reinterpret_cast<signed char*>(&eax15);
        ++v11;
    }
    return;
}
//  seemsToWriteToFile(buffer, dataSize, buffer, pass, 18);
// void fun_400912(int64_t rdi, int32_t esi, int64_t rdx, int64_t rcx, int64_t r8) {

void seemsToWriteToFile(void* buffer, int nSize, void* rdx, char* rcx, long r8) {
    FILE* file;
    long rdx7; //nSize
    long rdi8;
    long wroteBytes;
    long rdi10;

    file = fopen("/tmp/steganography_lsb.png", "w");
    if (file != NULL) {
        wroteBytes = fwrite(buffer, 1, nSize, file);
        if (wroteBytes > 0) {
            fclose(file);
            puts("Done!");
        }
        else {
            perror("Error writing bytes");
        }
    }
    return;
}

void fun_40084d(unsigned edi, long rsi, long rdx, long rcx, long r8) {
    unsigned v6;
    FILE* rax7;
    unsigned v8;
    FILE* rax9;

    v6 = edi;
    rax7 = stdout;
    fflush(rax7);
    v8 = 0;
    while (v6 > v8) {
        //sleep(1);
        putchar(46);
        rax9 = stdout;
        fflush(rax9);
        ++v8;
    }
    return;
}

int main() {
    long rsi1;
    long rdx2;
    long rcx3;
    long r8_4;
    void* buffer;
    char pass[] = "THEFASTESTMANALIVE";
    int dataSize = 0x1e0de;

    printf("Writing file.");
    fun_40084d(3, rsi1, rdx2, rcx3, r8_4);
    buffer = malloc(dataSize); // gets 123102 bytes
    seemsToEncodeSomething(0x6010a0, dataSize, buffer, pass, 18);
    seemsToWriteToFile(buffer, dataSize, buffer, pass, 18);
    //fputc(10, dataSize, buffer, pass, 18);
    free(buffer);
    return 0;
}