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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. void obfuscate(char *string, char *key)
  5. {
  6.     char *dataPtr = string;
  7.     char *keyPtr = key;
  8.     int keyIndex = 0;
  9.  
  10.     for (int x = 0; x < strlen(string); x++) {
  11.         char ch = *dataPtr++ ^ *keyPtr++;
  12.         printf("%c", ch);
  13.         if (++keyIndex == strlen(key)) {
  14.             keyIndex = 0;
  15.             keyPtr = key;
  16.         }
  17.     }
  18.     printf("\n");
  19. }
  20.  
  21.  
  22.  
  23. int main(void) {
  24. 	 obfuscate("0000", "maki");
  25.      obfuscate("0809", "maki");
  26. 	return 0;
  27. }
Success #stdin #stdout 0s 2292KB
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https://ideone.com/mQcfch
language:
C99 (gcc 8.3)
created:
10 years ago
visibility:
public

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