Hi Steven, Sami, On Fri, 12 Apr 2024 at 10:47, Steven Price <steven.price@xxxxxxx> wrote: > +/** > + * arm_cca_report_new - Generate a new attestation token. > + * > + * @report: pointer to the TSM report context information. > + * @data: pointer to the context specific data for this module. > + * > + * Initialise the attestation token generation using the challenge data > + * passed in the TSM decriptor. Here, it'd be good to document two interesting facts about challenge data: 1. It must be at least 32 bytes, and 2. If its size is less than 64 bytes, it will be zero-padded. cheers!