> ## Documentation Index
> Fetch the complete documentation index at: https://docs.futurex.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> Version history and change log for the OpenSSL Provider integration guide.

This log records updates to this integration guide, detailing modifications and feature support changes for transparency and traceability.

<Update label="CryptoHub Client Library (chlibs) Editorial Conversion" description="">
  * <Badge color="blue">Changed</Badge> 08/2026 - Converted this guide from the legacy Futurex PKCS #11 (FXPKCS11) Host-API model to the CryptoHub Client Library (the CryptoHub PKCS #11 module, an endpoint-provided connection configuration, and REST/TLS on port 443). This conversion is editorial only.
</Update>

<Update label="CryptoHub 7.3.0.x" description="">
  * <Badge color="blue">Changed</Badge> 09/2026 - Re-targeted this guide at CryptoHub `7.3.0.x`. Updated the key-protection policy, UserPass-only provider login, protected PIN file, and RSA-OAEP examples.
</Update>

<Update label="OpenSSL Pkcs11-Provider Integration Guide" description="">
  * <Badge color="green">Added</Badge> 08/2025 - The OpenSSL PKCS #11 provider integration guide was created.
</Update>