MD5加密字符串-备用

时间:2016-02-25 00:24:11   收藏:0   阅读:128

@interface NSString (MyExtensions)
  - (NSString *) md5;
  @end
  @implementation NSString (MyExtensions)
  - (NSString *) md5
  {
  const char *cStr = [self UTF8String];
  unsigned char result[16];
  CC_MD5( cStr, strlen(cStr), result ); // This is the md5 call
  return [NSString stringWithFormat:
  @"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
  result[0], result[1], result[2], result[3],
  result[4], result[5], result[6], result[7],
  result[8], result[9], result[10], result[11],
  result[12], result[13], result[14], result[15]
  ];
  }
  @end

原文:http://www.cnblogs.com/isItOk/p/5215512.html

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