//
//  HOTPGenerator.h
//
//  Copyright 2011 Google Inc.
//
//  Licensed under the Apache License, Version 2.0 (the "License"); you may not
//  use this file except in compliance with the License.  You may obtain a copy
//  of the License at
//
//  http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
//  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
//  License for the specific language governing permissions and limitations under
//  the License.
//

#import "OTPGenerator.h"

@interface HOTPGenerator : OTPGenerator

// The counter, incremented on each generated OTP.
@property(assign, nonatomic) uint64_t counter;

+ (uint64_t)defaultInitialCounter;

- (id)initWithSecret:(NSData *)secret
           algorithm:(NSString *)algorithm
              digits:(NSUInteger)digits
             counter:(uint64_t)counter;
@end
