Revision historyEdit online Track the changes of this document for each CCA Support Program release. Edition September 2025, CCA Support Program Releases 8.4 and 7.6This edition describes the IBM® CCA Basic Services API for Releases 8.4 and 7.6.Internal only: CCA Support Program Release 8.3Internal release only without documentation. No CCA 8.3 host library available for download. Edition August 2024, CCA Support Program Releases 8.2 and 7.5This edition describes the IBM® CCA Basic Services API for Releases 8.2 and 7.5. The complete functionality of Release 8.2 is available on CEX8C cryptographic coprocessors only. Much of the functionality of CCA 8.2 is also available with CCA 7.5 for the CEX7C. Differences are marked in this publication.Edition November 2023, CCA Support Program Release 8.1This edition describes the IBM® CCA Basic Services API for Release 8.1. Parent topic: About this document