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JDK 21 is out today and contains many new security enhancements! Notably, it includes a new API for KEM (Key Encapsulation Mechanism) and an implementation of HSS/LMS for signature verification. Both of these are important pieces for providing Java applications with the tools they will need to withstand quantum attacks.

Stay tuned for my blog on these and other JDK 21 security features!

https://jdk.java.net/21