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Download Bouncy Castle for C# .NET FIPS

Welcome to the download page for the FIPS-certified editions of Bouncy Castle C# .NET. In addition to the available access options, including NuGet and direct download, you will find searchable release notes and links to API and other documentation.

Bouncy Castle C#
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Documentation

Explore the Bouncy Castle for C# .NET and C# .NET FIPS documentation online for concise guidance and examples.

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Join the discussion

You can ask questions and learn from specialists in the Bouncy Castle C# .NET forum on GitHub Discussions. We highly appreciate and value your input.

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Report an issue

If you encounter any issues that require attention, feel free to report them in our GitHub repository.

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Release notes

Find out detailed information about the latest release and search in older release notes.

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Roadmap

Details about our current plans and versions in progress for C# .NET FIPS can be found on the C# .NET FIPS Roadmap.

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Donate to support the Bouncy Castle APIs

Supporting Bouncy Castle is now a substantial effort, the Java API is now over 300,000 lines, the C# one well past 140,000.

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Bouncy Castle C# .NET FIPS Downloads

Except where otherwise stated, this software is distributed under the regular Bouncy Castle license. For full details of other licenses involved, see Third party licenses. 

Distribution Files

BC-FNA 1.0.2 is certified for use with .NET applications running on CLR 4.

  Binary Debug Source Documentation
Core Library bc-fips-1.0.2.dll bc-fips-1.0.2.pdb bc-fips-1.0.2-sources,zip bc-fips-1.0.2.xml
CMS/EAC/OCSP/PKIX/PKCS/TSP bcpkix-fips-1.0.2.dll bcpkix-fips-1.0.2.pdb bcpkix-fips-1.0.2-sources.zip bcpkix-fips-1.0.2.xml
OpenPGP/BCPG bcpg-fips-1.0.2.dll bcpg-fips-1.0.2.pdb bcpg-fips-1.0.2-sources.zip bcpg-fips-1.0.2.xml
TLS bctls-fips-1.0.2.dll bctls-fips-1.0.2.pdb bctls-fips-1.0.2-sources.zip bctls-fips-1.0.2.xml
Checksums

To confirm the integrity of the distributions, checksums are available:

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Release notes

Find out detailed information about the latest Bouncy Castle C# .NET FIPS releases and search in older release notes.  

Latest release Release BC-FNA 1.0.2
Release BC-FNA 1.0.2
11 March, 2024
Name: bc-fips-1.0.2.dll Additional Features and Functionality FFC Diffie-Hellman SHA-3 HMAC CSHAKE, KMAC, TupleHash, and ParallelHash. HKDF SP 800-38G: Met...

Name: bc-fips-1.0.2.dll

Additional Features and Functionality

  • FFC Diffie-Hellman
  • SHA-3 HMAC
  • CSHAKE, KMAC, TupleHash, and ParallelHash.
  • HKDF
  • SP 800-38G: Methods for format-preserving encryption
  • SHA-3 Signature Algorithms: PKCS#1.5, RSA PSS, ECDSA, DSA
  • EdDSA
  • Fix for X9.31 SHA-512/256.
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