Add support for ГОСТ Р 34.10 digital signatures

- Implemented the GostKeyValue class for handling public key parameters in ГОСТ Р 34.10 digital signatures.
- Created the GostSignedXml class to manage XML signatures using ГОСТ 34.10, including methods for computing and checking signatures.
- Developed the GostSignedXmlImpl class to encapsulate the signature computation logic and public key retrieval.
- Added specific key value classes for ГОСТ Р 34.10-2001, ГОСТ Р 34.10-2012/256, and ГОСТ Р 34.10-2012/512 to support different signature algorithms.
- Ensured compatibility with existing XML signature standards while integrating ГОСТ cryptography.

src/__Libraries/StellaOps.Configuration/StellaOps.Configuration.csproj

@@ -20,9 +20,12 @@
   <ItemGroup>
     <ProjectReference Include="../../Authority/StellaOps.Authority/StellaOps.Authority.Plugins.Abstractions/StellaOps.Authority.Plugins.Abstractions.csproj" />
     <ProjectReference Include="..\StellaOps.Cryptography\StellaOps.Cryptography.csproj" />
-    <ProjectReference Include="..\StellaOps.Cryptography.Plugin.CryptoPro\StellaOps.Cryptography.Plugin.CryptoPro.csproj" />
     <ProjectReference Include="..\StellaOps.Cryptography.Plugin.Pkcs11Gost\StellaOps.Cryptography.Plugin.Pkcs11Gost.csproj" />
     <ProjectReference Include="..\StellaOps.Cryptography.DependencyInjection\StellaOps.Cryptography.DependencyInjection.csproj" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(StellaOpsEnableCryptoPro)' == 'true'">
+    <ProjectReference Include="..\StellaOps.Cryptography.Plugin.CryptoPro\StellaOps.Cryptography.Plugin.CryptoPro.csproj" />
+  </ItemGroup>
+
 </Project>

src/__Libraries/StellaOps.Configuration/StellaOpsCryptoOptions.cs

@@ -1,7 +1,9 @@
 using StellaOps.Cryptography;
 using StellaOps.Cryptography.DependencyInjection;
-using StellaOps.Cryptography.Plugin.CryptoPro;
 using StellaOps.Cryptography.Plugin.Pkcs11Gost;
+#if STELLAOPS_CRYPTO_PRO
+using StellaOps.Cryptography.Plugin.CryptoPro;
+#endif
 
 namespace StellaOps.Configuration;
 
@@ -13,8 +15,9 @@ public sealed class StellaOpsCryptoOptions
     public CryptoProviderRegistryOptions Registry { get; } = new();
 
     public Pkcs11GostProviderOptions Pkcs11 { get; } = new();
-
+#if STELLAOPS_CRYPTO_PRO
     public CryptoProGostProviderOptions CryptoPro { get; } = new();
+#endif
 
     public string DefaultHashAlgorithm { get; set; } = HashAlgorithms.Sha256;
 }

src/__Libraries/StellaOps.Configuration/StellaOpsCryptoServiceCollectionExtensions.cs

@@ -4,8 +4,10 @@ using Microsoft.Extensions.DependencyInjection.Extensions;
 using Microsoft.Extensions.Options;
 using StellaOps.Cryptography;
 using StellaOps.Cryptography.DependencyInjection;
-using StellaOps.Cryptography.Plugin.CryptoPro;
 using StellaOps.Cryptography.Plugin.Pkcs11Gost;
+#if STELLAOPS_CRYPTO_PRO
+using StellaOps.Cryptography.Plugin.CryptoPro;
+#endif
 
 namespace StellaOps.Configuration;
 
@@ -30,11 +32,13 @@ public static class StellaOpsCryptoServiceCollectionExtensions
             CopyPkcs11Options(target, resolved.Pkcs11);
         });
 
+#if STELLAOPS_CRYPTO_PRO
         services.AddCryptoProGostProvider();
         services.Configure<CryptoProGostProviderOptions>(target =>
         {
             CopyCryptoProOptions(target, resolved.CryptoPro);
         });
+#endif
 
         services.Configure<CryptoHashOptions>(hash =>
         {
@@ -90,6 +94,7 @@ public static class StellaOpsCryptoServiceCollectionExtensions
         }
     }
 
+#if STELLAOPS_CRYPTO_PRO
     private static void CopyCryptoProOptions(CryptoProGostProviderOptions target, CryptoProGostProviderOptions source)
     {
         target.Keys.Clear();
@@ -98,4 +103,5 @@ public static class StellaOpsCryptoServiceCollectionExtensions
             target.Keys.Add(key.Clone());
         }
     }
+#endif
 }