0xKaishakuninI updated my #pqc #openssl #benchmark for
#tls13 groups with #X25519MLKEM768 #ECC and #signature with #mldsa and #slhdsa on an ancient Atom230 running #NetBSD
While the keysize may grow
X25519MLKEM768 is not significant slower than x25519 while MLDSA is much faster than traditional hashes. But compute time and memory consumption depend on the parameters chosen
There are no arguments against transitioning to PQC now!
You are all #cryptoagile, no?
Benchmarking post quantum cryptography with OpenSSL 3.5: X25519MLKEM768
This Article can be downloaded as PDF file. Generated with AsciiDoctor-PDF Benchmarking OpenSSL and Post Quantum Cryptography: X25519MLKEM768 Since version 3.5, OpenSSL natively supports PQC keys and signatures. There is no need to use OQS-Provider as an provider to use PQC signatures and KEMs anymore. However, as we already expected, the sizes of PQC KEMs should be larger than Ante Quantum Cryptography (AQC) keys. To get a benchmark of the sizes, I wrote a small shellskript to generate different key pairs with OpenSSL 3.5 and order them by size.
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