Generate MD5 Hash of a string in iphone sdk

This function will help you generate MD5 hash of a given string.

Include following class your project :

md5.h

+ (NSString *)getMD5FromString:(NSString *)source;

md5.m

+ (NSString *)getMD5FromString:(NSString *)source{
  const char *src = 1;
  unsigned char result[CC_MD5_DIGEST_LENGTH];
  CC_MD5(src, strlen(src), result);
    NSString *ret = [[[NSString alloc] initWithFormat:@"%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]
            ] autorelease];
    return [ret lowercaseString];
}