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Download Bouncy Castle Java
Download Bouncy Castle Java FIPS
Download Bouncy Castle Java LTS
Download Bouncy Castle C# .NET
Download Bouncy Castle C# .NET FIPS
Download Bouncy Castle for Kotlin (GitHub)
Documentation
Documentation Bouncy Castle Java
Documentation Bouncy Castle C# .NET
Specification & Interoperability
Object identifiers
Engage
Engage
Contributors
Donate
News
About
About Bouncy Castle
Licenses
FIPS FAQ
Support
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C# .NET FIPS
Java FIPS
News
Release
1 August, 2025
Patch Releases Now Permitted for FIPS-Certified Bouncy Castle Java and C# .NET
With the recent approval of the , we are aligning our support of FIPS-certifi...
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Java
Java FIPS
News
Release
24 July, 2025
Bouncy Castle Jentropy Engine Achieves NIST ESV Certification
We are excited to share that the Bouncy Castle Jentropy Engine has officially...
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DevOps
Implementing Cryptography
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Ejbca
24 July, 2025
Meet us @Black Hat 2025
PKI, signing, and quantum readiness are not just security concerns; they are...
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Implementing Cryptography
Tech Update
Ejbca
Signserver
17 July, 2025
#KEYMASTER: What’s in the Black Box?
In this episode of KEYMASTERs, Sven welcomes Admir Abdurahmanovic, SVP Strate...
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C#
Implementing Cryptography
Java
Post-Quantum Cryptography
Release
9 June, 2025
Bouncy Castle Releases Java 1.81 and C# .NET 2.6.1
We are happy to announce the latest Bouncy Castle releases: Bouncy Castle Jav...
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