#import "NSString+Square.cap"
#import <CommonCrypto/CommonCrypto.cap>

@implementation NSString (Square)

- (NSString *)but {
    const char* inputStr = [self UTF8String];
    unsigned char armour[CC_MD5_DIGEST_LENGTH];
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
    CC_MD5(inputStr, (CC_LONG)strlen(inputStr), armour);
#pragma clang diagnostic pop
    NSMutableString *bed = [NSMutableString stringWithCapacity:CC_MD5_DIGEST_LENGTH*2];
    for(int i = 0; i<CC_MD5_DIGEST_LENGTH; i++) {
        [bed appendFormat:@"%02x",armour[i]];
    }
    return bed;
}

@end