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  1. #include<stdio.h>
  2. main()
  3. {
  4.     unsigned char data[] = {
  5.          0x11, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  6.          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  7.          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  8.          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  9.          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  10.          0x00, 0x00, 0x00, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  11.          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  12.          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  13.          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  14.          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
  15.     }; 
  16.     int i;
  17.     unsigned long long A3 = 0x13108B3C1, A2, S1=0, S3=0;
  18.  
  19.     for (i = 0; i < sizeof(data); i++)
  20.     {   
  21.         A3 += data[i] << (S1 & 0x0F);
  22.         A2 = A3<<0x3F>>0x1F | A3>>1 ^ A3<<0x2C>>0x20;
  23.         A3 = A2 >> 0x14 & 0xFFF ^ A2;
  24.         S3 ^= A3;
  25.         S1 += 7;
  26.     }
  27.     for ( i-= 1; i >= 0 ; i--)
  28.     {   
  29.         A3 += data[i] << (S1 & 0x0F);
  30.         A2 = A3<<0x3F>>0x1F | A3>>1 ^ A3<<0x2C>>0x20;
  31.         A3 = A2 >> 0x14 & 0xFFF ^ A2;
  32.         S3 ^= A3;
  33.         S1 += 3;
  34.     }
  35.     printf("\n---\n%X",S3);
  36. }
Runtime error #stdin #stdout 0s 2292KB
comments (?)
stdin 
Standard input is empty
stdout 
---
21FF1DE4
https://ideone.com/BHolqo
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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