diff --git a/keyfile.snk b/keyfile.snk
new file mode 100644
index 0000000..a14537b
Binary files /dev/null and b/keyfile.snk differ
diff --git a/src/FrostFS.SDK.Client/ApeRules/RuleSerializer.cs b/src/FrostFS.SDK.Client/ApeRules/RuleSerializer.cs
index 738eb54..24f784e 100644
--- a/src/FrostFS.SDK.Client/ApeRules/RuleSerializer.cs
+++ b/src/FrostFS.SDK.Client/ApeRules/RuleSerializer.cs
@@ -1,7 +1,4 @@
 using System;
-using System.Runtime.CompilerServices;
-
-[assembly: InternalsVisibleTo("FrostFS.SDK.Tests")]
 
 namespace FrostFS.SDK.Client;
 
diff --git a/src/FrostFS.SDK.Client/AssemblyInfo.cs b/src/FrostFS.SDK.Client/AssemblyInfo.cs
index 2c89c60..4d87f8c 100644
--- a/src/FrostFS.SDK.Client/AssemblyInfo.cs
+++ b/src/FrostFS.SDK.Client/AssemblyInfo.cs
@@ -1,8 +1,14 @@
 using System.Reflection;
+using System.Runtime.CompilerServices;
 
-[assembly: AssemblyCompany("FrostFS.SDK.Client")]
+[assembly: AssemblyCompany("TrueCloudLab")]
+[assembly: InternalsVisibleTo("FrostFS.SDK.Tests, PublicKey=" +
+    "002400000480000094000000060200000024000052534131000400000100010089b992fb14ebcf"+
+    "4b85b4b1a3af1897290c52ff85a106035c47dc5604cbaa58ae3180f5c9b8523fee5dd1bb9ea9cf"+
+    "e15ab287e6239c98d5dfa91615bd77485d523a3a3f65a4e5028454cedd5ac4d9eca6da18b81985"+
+    "ac6905d33cc64b5a2587050c16f67b71ef8889dbd3c90ef7cc0b06bbbe09886601d195f5db179a"+
+    "3c2a25b1")]
 [assembly: AssemblyFileVersion("1.0.6.0")]
-[assembly: AssemblyInformationalVersion("1.0.0+d6fe0344538a223303c9295452f0ad73681ca376")]
 [assembly: AssemblyProduct("FrostFS.SDK.Client")]
 [assembly: AssemblyTitle("FrostFS.SDK.Client")]
 [assembly: AssemblyVersion("1.0.6")]
diff --git a/src/FrostFS.SDK.Client/FrostFS.SDK.Client.csproj b/src/FrostFS.SDK.Client/FrostFS.SDK.Client.csproj
index 6fb9ae4..037a2f4 100644
--- a/src/FrostFS.SDK.Client/FrostFS.SDK.Client.csproj
+++ b/src/FrostFS.SDK.Client/FrostFS.SDK.Client.csproj
@@ -32,6 +32,8 @@
   <PropertyGroup>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
+    <SignAssembly>True</SignAssembly>
+    <AssemblyOriginatorKeyFile>.\\..\\..\\keyfile.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/FrostFS.SDK.Cryptography/AssemblyInfo.cs b/src/FrostFS.SDK.Cryptography/AssemblyInfo.cs
index ba08d91..cff5cc1 100644
--- a/src/FrostFS.SDK.Cryptography/AssemblyInfo.cs
+++ b/src/FrostFS.SDK.Cryptography/AssemblyInfo.cs
@@ -1,8 +1,7 @@
 using System.Reflection;
 
-[assembly: AssemblyCompany("FrostFS.SDK.Cryptography")]
+[assembly: AssemblyCompany("TrueCloudLab")]
 [assembly: AssemblyFileVersion("1.0.6.0")]
-[assembly: AssemblyInformationalVersion("1.0.0+d6fe0344538a223303c9295452f0ad73681ca376")]
 [assembly: AssemblyProduct("FrostFS.SDK.Cryptography")]
 [assembly: AssemblyTitle("FrostFS.SDK.Cryptography")]
 [assembly: AssemblyVersion("1.0.6.0")]
diff --git a/src/FrostFS.SDK.Cryptography/FrostFS.SDK.Cryptography.csproj b/src/FrostFS.SDK.Cryptography/FrostFS.SDK.Cryptography.csproj
index 0bb72c5..20e0a83 100644
--- a/src/FrostFS.SDK.Cryptography/FrostFS.SDK.Cryptography.csproj
+++ b/src/FrostFS.SDK.Cryptography/FrostFS.SDK.Cryptography.csproj
@@ -26,6 +26,8 @@
 
   <PropertyGroup>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+    <SignAssembly>True</SignAssembly>
+    <AssemblyOriginatorKeyFile>.\\..\\..\\keyfile.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/FrostFS.SDK.Protos/AssemblyInfo.cs b/src/FrostFS.SDK.Protos/AssemblyInfo.cs
index 27da7e7..f16be42 100644
--- a/src/FrostFS.SDK.Protos/AssemblyInfo.cs
+++ b/src/FrostFS.SDK.Protos/AssemblyInfo.cs
@@ -1,8 +1,7 @@
 using System.Reflection;
 
-[assembly: AssemblyCompany("FrostFS.SDK.Protos")]
+[assembly: AssemblyCompany("TrueCloudLab")]
 [assembly: AssemblyFileVersion("1.0.6.0")]
-[assembly: AssemblyInformationalVersion("1.0.0+d6fe0344538a223303c9295452f0ad73681ca376")]
 [assembly: AssemblyProduct("FrostFS.SDK.Protos")]
 [assembly: AssemblyTitle("FrostFS.SDK.Protos")]
 [assembly: AssemblyVersion("1.0.6.0")]
diff --git a/src/FrostFS.SDK.Protos/FrostFS.SDK.Protos.csproj b/src/FrostFS.SDK.Protos/FrostFS.SDK.Protos.csproj
index e165524..b6bc876 100644
--- a/src/FrostFS.SDK.Protos/FrostFS.SDK.Protos.csproj
+++ b/src/FrostFS.SDK.Protos/FrostFS.SDK.Protos.csproj
@@ -13,19 +13,21 @@
   </PropertyGroup>
 
   <PropertyGroup>
-	<EnableNETAnalyzers>true</EnableNETAnalyzers>
+	  <EnableNETAnalyzers>true</EnableNETAnalyzers>
   </PropertyGroup>
 
   <PropertyGroup>
-	<_SkipUpgradeNetAnalyzersNuGetWarning>true</_SkipUpgradeNetAnalyzersNuGetWarning>
+	  <_SkipUpgradeNetAnalyzersNuGetWarning>true</_SkipUpgradeNetAnalyzersNuGetWarning>
   </PropertyGroup>
 
   <PropertyGroup>
-	<EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
+	  <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
   </PropertyGroup>
 
   <PropertyGroup>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+    <SignAssembly>True</SignAssembly>
+    <AssemblyOriginatorKeyFile>.\\..\\..\\keyfile.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/FrostFS.SDK.Tests/FrostFS.SDK.Tests.csproj b/src/FrostFS.SDK.Tests/FrostFS.SDK.Tests.csproj
index 30c0564..37bbace 100644
--- a/src/FrostFS.SDK.Tests/FrostFS.SDK.Tests.csproj
+++ b/src/FrostFS.SDK.Tests/FrostFS.SDK.Tests.csproj
@@ -10,11 +10,16 @@
   </PropertyGroup>
 
   <PropertyGroup>
-	<EnableNETAnalyzers>true</EnableNETAnalyzers>
+	  <EnableNETAnalyzers>true</EnableNETAnalyzers>
   </PropertyGroup>
 	
   <PropertyGroup>
-	<EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
+	  <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <SignAssembly>True</SignAssembly>
+    <AssemblyOriginatorKeyFile>.\\..\\..\\keyfile.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   
   <ItemGroup>
@@ -42,5 +47,4 @@
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
   </ItemGroup>
-
 </Project>