APRSERMMRMMBL31BL31DelegAttestDelegAttestInitAttestInitAttestMeasuredBootMeasuredBootCryptoCryptoRMM Boot phaseget_realm_key(hash_algo, ...)get_delegated_keyread_measurementCompute inputfor key derivation(hash of measurements)derive_keyCompute public keyhash withhash_algo.Seed is provisionedin the factory.get_delegated_keyget_realm_keyOnly private keyis returned. Publickey and its hashmust be computed.Public key is includedin the realm token.Its hash is the inputfor get_platform_tokenget_platform_token(pub_key_hash, ...)get_delegated_tokenCheckpub_key_hashagainst derived key.get_initial_tokenCreate the token includingthepub_key_hashas thechallenge claimread_measurementsign_tokenget_initial_tokenget_delegated_tokenget_platform_tokenPlatform token iscached. It is notchanging withina power cycle.