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Basic formatting applied. Unnecessary comments have been removed. Suspicious code is covered by TODO.
2025-08-12 11:21:10 +09:00
parent bbcbe841a7
commit 33ab055b43
546 changed files with 176950 additions and 0 deletions
--- a/Hcs.Client/GostCryptography/Gost_R3410/Gost_R3410_2001_EphemeralAsymmetricAlgorithm.cs
+++ b/Hcs.Client/GostCryptography/Gost_R3410/Gost_R3410_2001_EphemeralAsymmetricAlgorithm.cs
@ -0,0 +1,107 @@
+using GostCryptography.Asn1.Gost.Gost_R3410_2001;
+using GostCryptography.Base;
+using GostCryptography.Config;
+using GostCryptography.Gost_R3411;
+using GostCryptography.Native;
+using System.Security;
+
+namespace GostCryptography.Gost_R3410
+{
+    /// <summary>
+    /// Реализация алгоритма ГОСТ Р 34.10-2001 на основе эфимерного ключа
+    /// </summary>
+    public sealed class Gost_R3410_2001_EphemeralAsymmetricAlgorithm : Gost_R3410_EphemeralAsymmetricAlgorithm<Gost_R3410_2001_KeyExchangeParams, Gost_R3410_2001_KeyExchangeAlgorithm>
+    {
+        /// <summary>
+        /// Размер ключа ГОСТ Р 34.10-2001
+        /// </summary>
+        public const int DefaultKeySizeValue = 512;
+
+        /// <summary>
+        /// Наименование алгоритма цифровой подписи ГОСТ Р 34.10-2001
+        /// </summary>
+        public const string SignatureAlgorithmValue = "urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr34102001-gostr3411";
+
+        /// <summary>
+        /// Наименование алгоритма обмена ключами ГОСТ Р 34.10-2001
+        /// </summary>
+        public const string KeyExchangeAlgorithmValue = "urn:ietf:params:xml:ns:cpxmlsec:algorithms:transport-gost2001";
+
+        /// <inheritdoc />
+        [SecuritySafeCritical]
+        public Gost_R3410_2001_EphemeralAsymmetricAlgorithm() : this(GostCryptoConfig.ProviderType)
+        {
+        }
+
+        /// <inheritdoc />
+        [SecuritySafeCritical]
+        public Gost_R3410_2001_EphemeralAsymmetricAlgorithm(ProviderType providerType) : base(providerType, DefaultKeySizeValue)
+        {
+        }
+
+        /// <inheritdoc />
+        [SecuritySafeCritical]
+        public Gost_R3410_2001_EphemeralAsymmetricAlgorithm(Gost_R3410_2001_KeyExchangeParams keyParameters) : this(GostCryptoConfig.ProviderType, keyParameters)
+        {
+        }
+
+        /// <inheritdoc />
+        [SecuritySafeCritical]
+        public Gost_R3410_2001_EphemeralAsymmetricAlgorithm(ProviderType providerType, Gost_R3410_2001_KeyExchangeParams keyParameters) : base(providerType, keyParameters, DefaultKeySizeValue)
+        {
+        }
+
+        /// <inheritdoc />
+        public override string AlgorithmName => SignatureAlgorithmValue;
+
+        /// <inheritdoc />
+        public override string SignatureAlgorithm => SignatureAlgorithmValue;
+
+        /// <inheritdoc />
+        public override string KeyExchangeAlgorithm => KeyExchangeAlgorithmValue;
+
+        /// <inheritdoc />
+        protected override int ExchangeAlgId => Constants.CALG_DH_EL_EPHEM;
+
+        /// <inheritdoc />
+        protected override int SignatureAlgId => Constants.CALG_GR3410EL;
+
+        /// <inheritdoc />
+        protected override Gost_R3410_2001_KeyExchangeParams CreateKeyExchangeParams()
+        {
+            return new Gost_R3410_2001_KeyExchangeParams();
+        }
+
+        /// <inheritdoc />
+        [SecuritySafeCritical]
+        protected override Gost_R3410_2001_KeyExchangeAlgorithm CreateKeyExchangeAlgorithm(ProviderType providerType, SafeProvHandleImpl provHandle, SafeKeyHandleImpl keyHandle, Gost_R3410_2001_KeyExchangeParams keyExchangeParameters)
+        {
+            return new Gost_R3410_2001_KeyExchangeAlgorithm(providerType, provHandle, keyHandle, keyExchangeParameters, KeySizeValue, SignatureAlgId);
+        }
+
+        /// <inheritdoc />
+        [SecuritySafeCritical]
+        public override GostHashAlgorithm CreateHashAlgorithm()
+        {
+            return new Gost_R3411_94_HashAlgorithm(ProviderType, this.GetSafeHandle<SafeProvHandleImpl>());
+        }
+
+        /// <inheritdoc />
+        public override GostKeyExchangeFormatter CreateKeyExchangeFormatter()
+        {
+            return new Gost_R3410_2001_KeyExchangeFormatter(this);
+        }
+
+        /// <inheritdoc />
+        public override GostKeyExchangeDeformatter CreateKeyExchangeDeformatter()
+        {
+            return new Gost_R3410_2001_KeyExchangeDeformatter(this);
+        }
+
+        /// <inheritdoc />
+        protected override Gost_R3410_KeyExchangeXmlSerializer<Gost_R3410_2001_KeyExchangeParams> CreateKeyExchangeXmlSerializer()
+        {
+            return new Gost_R3410_2001_KeyExchangeXmlSerializer();
+        }
+    }
+}