2 * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
19 namespace Tizen.Security.SecureRepository.Crypto
22 /// A class holding parameters for AES algorithm with counter mode.
24 /// <since_tizen> 3 </since_tizen>
25 public class AesCtrCipherParameters : AesCipherParameters
28 /// A default constructor
30 /// <since_tizen> 3 </since_tizen>
31 /// <remarks>The CipherAlgorithmType in CipherParameters is set to CipherAlgorithmType.AesCtr.</remarks>
32 public AesCtrCipherParameters() : base(CipherAlgorithmType.AesCtr)
37 /// Length of counter block in bits.
39 /// <since_tizen> 3 </since_tizen>
40 /// <remarks>Optional, only 128b is supported at the moment.</remarks>
41 /// <exception cref="ArgumentOutOfRangeException">value should be positive.</exception>
42 public long CounterLength
46 return GetInteger(CipherParameterName.CounterLength);
51 throw new ArgumentOutOfRangeException(
52 string.Format("invalid value{0} on CounterLength", value));
53 Add(CipherParameterName.CounterLength, value);