fork download
copy 
  1. #include <stdio.h>
  2. const unsigned long  APP_MASK = 0xA80980B1;
  3. unsigned long  uds_calc_key(void);
  4. unsigned long  uds_calc_key(void)
  5. {
  6. 	unsigned long  seed=0x711D89D3;
  7. 	unsigned long  tmpseed = seed;
  8. 	unsigned long  key_1 = tmpseed ^ APP_MASK;
  9. 	unsigned long  seed_2 = tmpseed;
  10. 	seed_2 = (seed_2 & 0x55555555) << 1 ^ (seed_2 & 0xAAAAAAAA) >> 1;
  11. 	seed_2 = (seed_2 ^ 0x33333333) << 2 ^ (seed_2 ^ 0xCCCCCCCC) >> 2;
  12. 	seed_2 = (seed_2 & 0x0F0F0F0F) << 4 ^ (seed_2 & 0xF0F0F0F0) >> 4;
  13. 	seed_2 = (seed_2 ^ 0x00FF00FF) << 8 ^ (seed_2 ^ 0xFF00FF00) >> 8;
  14. 	seed_2 = (seed_2 & 0x0000FFFF) << 16 ^ (seed_2 & 0xFFFF0000) >> 16;
  15. 	unsigned long  key_2 = seed_2;
  16. 	unsigned long  key = key_1 + key_2;
  17. 	//return key;
  18. 	printf("output = 0x%8x\n",key);
  19. }
  20. int main(void)
  21. {
  22.  
  23. 	uds_calc_key();
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 5344KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
output = 0x78bc2c7b
https://ideone.com/M6MAxK
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!