The C-TAP v11.0, released in November 2021, integrates the C-TAP v10.1 specification updates and consolidates all specification updates of C-TAP v10.1 into a new release of the C-TAP specifications including a next generation security layer of TSC 2.0 based on AES (Advanced Encryption Standard) and ECC (Elliptic Curve Cryptography), supporting either TSC 1.0 or TSC 2.0.
All acquiring host systems are able to support C-TAP v11.0 in parallel with the C-TAP v10.1 until the end-of-life date of C-TAP v10.1. Terminals presented by Terminal Vendors for certification shall implement C-TAP v11.0, supporting either TSC1.0 RSA or TSC2.0 ECC. After June 2023 only terminals conforming to the C-TAP v11.0 specifications can be submitted for certification to Acquiris. The C-TAP v10.1 will be obsolete by end of October 2026.
These releases confirm the ability of the Acquiris association and its members to broaden the coverage of specifications and keep the alignment with the supported scheme rules while also guaranteeing the essential interoperability of versions, which is critical in the card transaction processing industry.
