openssl-tls-knowledge-patch

Installation
SKILL.md

OpenSSL-TLS Knowledge Patch

Covers OpenSSL 3.4–4.0 (2024-10-22 through 2026-04-07). Claude knows OpenSSL CLI basics through 3.0, TLS 1.2/1.3, certificate generation and management. It is unaware of post-quantum cryptography support, QUIC server APIs, and OpenSSL 4.0 breaking changes.

Index

Topic Reference Key features
Post-quantum cryptography references/pqc-cryptography.md ML-DSA/ML-KEM/SLH-DSA key generation, hybrid PQC TLS groups, group syntax
OpenSSL 4.0 migration references/openssl4-migration.md Engines removed, SSLv3 gone, ECH, opaque ASN1_STRING, deprecated EC curves
New features (3.5–3.6) references/new-features.md QUIC server, default cipher changes, LMS verification, EVP_SKEY, configutl

PQC Algorithm Quick Reference (OpenSSL 3.5+)

OpenSSL 3.5 adds native FIPS 203/204/205 post-quantum algorithms.

| Algorithm | Standard | Type | genpkey -algorithm names |

Related skills
Installs
3
GitHub Stars
19
First Seen
Apr 7, 2026