OpenSSL 3.6 Promises LMS Signature Verification Support, Alpha Out Now

OpenSSL 3.6 Promises LMS Signature Verification Support, Alpha Out Now

Written By
MN
Marius Nestor
Sep 18, 2025

OpenSSL 3.6 promises LMS signature verification support as per [SP 800-208] in both the FIPS and default providers, and support for EVP_SKEY opaque symmetric key objects to the key derivation and key exchange provider methods via EVP_KDF_CTX_set_SKEY(), EVP_KDF_derive_SKEY(), and EVP_PKEY_derive_SKEY() functions.

MN

Marius Nestor

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