NSString MD5

NSString+MD5.m

@interface NSString (MD5)

-(NSString *) MD5;

@end

@implementation NSString (MD5)

- (NSString *) MD5{
	const char* string = [self UTF8String];
	unsigned char result[16];
	CC_MD5(string, strlen(string), result);
	NSString* hash = [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]];
 
	return [hash lowercaseString];
}

@end