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wolfBoot
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5 Commits (291adfe87d1194a86d4eaaabc4e942e030d41218)

Author SHA1 Message Date
David Garske 05b83544fb Fixes based on peer review. Add output of signed policy to file (append .sig). Tested successfully with multiple PCRs. In example unlock_disk extend PCR with random value after unseal to prevent unsealing after boot. 2023-09-12 12:26:48 +02:00
David Garske c04960c097 Fix simulator to not just while(1) on panic, which causes CI to spin/timeout (instead exit with error). Fix ROT logic and make sure read error code gets passed up stack. 2023-09-12 12:26:48 +02:00
David Garske 490286be7d Support for sealing/unseal a secret based on an externally signed PCR policy. 
* Added new `WOLFBOOT_TPM_SEAL` and `WOLFBOOT_TPM_SEAL_NV_BASE` config options.
* Added new `tools/tpm/policy_create` tool for assisting with creation of a policy digest. The sign keytool `--policy=file` signs the policy.
* Added new `WOLFBOOT_TPM_VERIFY` option to enable offloading of the asymmetric verification to the TPM. By default wolfCrypt will be used.
* Added example seal/unseal to update_flash for ARCH_SIM.
* Renamed `WOLFBOOT_TPM_KEYSTORE_NV_INDEX` to `WOLFBOOT_TPM_KEYSTORE_NV_BASE` to support multiple public keys.
* Refactored most TPM code into tpm.c.
* Refactored the keystore ROT to use new `wolfBoot_check_rot` API.
* Refactored the sign keytool to have a sign_digest function to allow signing firmware and policy for sealing/unsealing.
* Fix for make distclean && make using the wrong key tools.
 2023-09-12 12:26:48 +02:00
David Garske 95b0d9090d Fixes for building TPM keystore with arch x86_64. 2023-08-24 16:38:20 +02:00
David Garske 9ca58248e4 Adding GitHub Action for testing TPM features. 2023-08-17 13:43:58 +02:00