BouncyCastle 1.8.9

.NET Framework This package is compatible with all versions of .NET Framework.
Details
Advisory: https://github.com/advisories/GHSA-8xfc-gm6g-vgpv Severity: moderate
Advisory: https://github.com/advisories/GHSA-v435-xc8x-wvr9 Severity: moderate
Advisory: https://github.com/advisories/GHSA-m44j-cfrm-g8qc Severity: moderate
Suggested Alternatives

BouncyCastle.Cryptography

Additional Details

This package is no longer maintainted. Please, use official BouncyCastle.Cryptography package.
See https://www.bouncycastle.org/csharp/

dotnet add package BouncyCastle --version 1.8.9
                    


                    

                
NuGet\Install-Package BouncyCastle -Version 1.8.9
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="BouncyCastle" Version="1.8.9" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="BouncyCastle" Version="1.8.9" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="BouncyCastle" />
                    


                            Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package. 
paket add BouncyCastle --version 1.8.9
                    


                    

                
#r "nuget: BouncyCastle, 1.8.9"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
#:package BouncyCastle@1.8.9
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package. 
#addin nuget:?package=BouncyCastle&version=1.8.9
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=BouncyCastle&version=1.8.9
                    


                            Install as a Cake Tool

The Bouncy Castle Crypto package is a C# implementation of cryptographic algorithms and protocols, it was developed by the Legion of the Bouncy Castle, a registered Australian Charity, with a little help! The Legion, and the latest goings on with this package, can be found at [http://www.bouncycastle.org/](http://www.bouncycastle.org/). In addition to providing basic cryptography algorithms, the package also provides support for CMS, TSP, X.509 certificate generation and a variety of other standards such as OpenPGP.

Product Compatible and additional computed target framework versions.
.NET Framework net is compatible. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

This package has no dependencies.

NuGet packages (367)

Showing the top 5 NuGet packages that depend on BouncyCastle:

Package Downloads
Naos.Deployment.Domain

Created on 2025-08-13 16:12
Naos.Deployment.Persistence

Created on 2025-08-13 16:12
Naos.Deployment.Core

Created on 2025-08-13 16:11
iTextSharp-LGPL-Core

An unofficial .NET Core port of the last LGPL version of the iTextSharp (V4.1.6).
Naos.Deployment.ComputingManagement

Created on 2025-08-13 16:12

GitHub repositories (1)

Showing the top 1 popular GitHub repositories that depend on BouncyCastle:

Repository Stars
canton7/SyncTrayzor
Windows tray utility / filesystem watcher / launcher for Syncthing

Defects Fixed
The TimeStampToken generator is now using PkcsObjectIdentifiers.IdAASigningCertificateV2 for the generating SigningCertificateV2.
Additional Features and Functionality
Added CSHAKE digest and KMAC.
Added support for PKCS#5 Scheme 2 to Pkcs12Store.
Improved performance for GCM.