codeCheck for Obj-C

-(BOOL)codeCheck
{
    CFErrorRef errors = NULL;
    SecCodeRef myCode = NULL;
    SecRequirementRef requirement = NULL;
    OSStatus status = errSecSuccess;
    status = SecCodeCopySelf(kSecCSDefaultFlags, &myCode);
    if (status != errSecSuccess)
    {
         NSLog(@"SecCodeCopySelf failed with status code: %ld", (long)status);
    }

    NSString *entitlement = @"anchor apple generic and identifier = \"com.yourapp.example\" and certificate leaf[subject.OU] = Y0URTEAM1D";

    status = SecRequirementCreateWithStringAndErrors((__bridge CFStringRef)entitlement, kSecCSDefaultFlags, &errors, &requirement);
    if (status != errSecSuccess)
    {
        NSLog(@"SecRequirements failed with status code %i", status);
        // optionally unpack errors here
    } else
    {
        status = SecCodeCheckValidity(myCode, kSecCSDefaultFlags, requirement);
        if (status != errSecSuccess)
        {
            NSLog(@"SecCodeCheckValidity failed with status code %i", status);
        } else {
            return YES;
        }
    }
    return NO;
}