21CTO
Oct 23, 2026 · Backend Development
OpenSSL 4.1 Adds AVX-512 Optimizations for Post-Quantum Crypto & DTLS 1.3 Support
OpenSSL 4.1 introduces AVX-512 optimizations for ML-DSA and AES-CBC, adds DTLS 1.3 and GREASE support, drops Itanium/Windows CE, and publishes benchmarks showing performance gains across CPUs.
AVX-512DTLS 1.3GREASE
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