Attester

: The attester provides its "claims"—cryptographically signed proof of its current configuration and software version.

The primary job of an attester is to prove it is "trustworthy and genuine" before it can access sensitive data. attester

: Operating systems use attestation to verify that the boot process was secure and that no malware has altered the core system files. : It gathers specific data, such as a

: It gathers specific data, such as a hash of its executed code, its build environment, and a manufacturer-issued certificate. : It gathers specific data

In the context of technology and data security, an (also known as a Prover) is a component—usually a hardware-based environment or a software service—that provides verifiable evidence about its own state to gain trust from a remote party. Core Role of an Attester