Security · Updated 23 Oct, 06:12 pm IST
OpenSSL releases version 4.1.0 with DTLS 1.3 and performance optimizations
Why it matters for readers: If you use secure network software, the release adds a newer DTLS version and lists practical compatibility and dependency changes to watch for.
- Adds support for DTLS 1.3 and documents DTLS-related APIs and behaviour.1
- Implements RFC 8701 GREASE and adds DTLS support in the SSL listener API.1
- Includes optimized crypto operations (ML-DSA, ML-KEM NTT, AVX-512 SHAKE x4, VAES/AES-CBC) and initial support for the Elbrus2000 (e2k) architecture.1
- Drops Windows-on-Itanium and Windows CE build targets and adds MSVC2013 build targets to bridge C99 gaps.1
- tsget utility now uses Net::Curl::Easy (users should install it before upgrading) and a known issue where DTLS 1.3 KeyUpdate can drop outstanding post-handshake records is listed.1
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