BouncyCastle 1.8.5

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 []( 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.

Install-Package BouncyCastle -Version 1.8.5
dotnet add package BouncyCastle --version 1.8.5
<PackageReference Include="BouncyCastle" Version="1.8.5" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add BouncyCastle --version 1.8.5
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Release Notes

This is the final feature release with support for legacy .NET platforms. From 1.9.0 we will be targeting more modern .NET frameworks (see and updating our build and packaging systems. The 1.8.x series will continue to receive bug fixes, but limited new functionality.

Additional Features and Functionality:
- Supported added for encoding and decoding of GOST3410-2012 keys.
- Basic support added for CMP (RFC 4210) and CRMF (RFC 4211), including the PKI archive control.


This package has no dependencies.

Showing the top 10 GitHub repositories that depend on BouncyCastle:

Repository Stars
Store securely encrypted backups in the cloud!
mRemoteNG is the next generation of mRemote, open source, tabbed, multi-protocol, remote connections manager.
A simple ACME client for Windows (for use with Let's Encrypt et al.)
A cross-platform .NET library for IMAP, POP3, and SMTP.
Remote Administration Tool for Windows
Windows tray utility / filesystem watcher / launcher for Syncthing
An ACME client library and PowerShell client for the .NET platform (Let's Encrypt)
NiceHash Miner
Ethereum .Net cross platform integration library
A .NET MIME creation and parser library with support for S/MIME, PGP, DKIM, TNEF and Unix mbox spools.

Version History

Version Downloads Last updated
1.8.5 562,913 3/25/2019
1.8.4 481,713 11/2/2018 301,453 10/2/2018
1.8.2 1,058,625 4/14/2018
1.8.1 4,329,435 4/26/2016
1.7.0 1,974,514 4/30/2011