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Compute an MD5 hash on iphone

/ Published in: Objective C
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  1. #import <CommonCrypto/CommonDigest.h>
  2.  
  3.  
  4. + (NSString *) md5:(NSString *)str {
  5.  const char *cStr = [str UTF8String];
  6.  unsigned char result[16];
  7.  CC_MD5( cStr, strlen(cStr), result );
  8.  return [NSString stringWithFormat:
  9.   @"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
  10.   result[0], result[1], result[2], result[3], 
  11.   result[4], result[5], result[6], result[7],
  12.   result[8], result[9], result[10], result[11],
  13.   result[12], result[13], result[14], result[15]
  14.   ]; 
  15. }

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