55 lines
2.0 KiB
C#
55 lines
2.0 KiB
C#
using System.Security.Cryptography;
|
|
|
|
namespace GostCryptography.Base
|
|
{
|
|
/// <summary>
|
|
/// Базовый класс для всех асимметричных алгоритмов ГОСТ
|
|
/// </summary>
|
|
public abstract class GostAsymmetricAlgorithm : AsymmetricAlgorithm, IGostAlgorithm
|
|
{
|
|
/// <summary>
|
|
/// Конструктор
|
|
/// </summary>
|
|
/// <param name="providerType">Тип криптографического провайдера</param>
|
|
/// <param name="keySize">Размер ключа в битах</param>
|
|
protected GostAsymmetricAlgorithm(ProviderType providerType, int keySize)
|
|
{
|
|
ProviderType = providerType;
|
|
KeySizeValue = keySize;
|
|
LegalKeySizesValue = new[] { new KeySizes(keySize, keySize, 0) };
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public ProviderType ProviderType { get; }
|
|
|
|
/// <inheritdoc />
|
|
public abstract string AlgorithmName { get; }
|
|
|
|
/// <summary>
|
|
/// Вычисляет цифровую подпись
|
|
/// </summary>
|
|
public abstract byte[] CreateSignature(byte[] hash);
|
|
|
|
/// <summary>
|
|
/// Проверяет цифровую подпись
|
|
/// </summary>
|
|
public abstract bool VerifySignature(byte[] hash, byte[] signature);
|
|
|
|
/// <summary>
|
|
/// Создает экземпляр <see cref="GostHashAlgorithm"/>
|
|
/// </summary>
|
|
public abstract GostHashAlgorithm CreateHashAlgorithm();
|
|
|
|
/// <summary>
|
|
/// Создает экземпляр <see cref="GostKeyExchangeFormatter"/>
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public abstract GostKeyExchangeFormatter CreateKeyExchangeFormatter();
|
|
|
|
/// <summary>
|
|
/// Создает экземпляр <see cref="GostKeyExchangeDeformatter"/>
|
|
/// </summary>
|
|
public abstract GostKeyExchangeDeformatter CreateKeyExchangeDeformatter();
|
|
}
|
|
}
|