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* Re-implement PKI from #1509 co-authored-by: edinnen <ethanjdinnen@protonmail.com> * Set the key lengnth to actually make PKI work. * Remove unused variable and initialize keys to null * move printBytes() to meshUtils * Don't reset PKI key son reboot unless needed. * Remove double encryption for PKI messages * Cleanup encrypt logic * Add the MESHTASTIC_EXCLUDE_PKI option, and set it for minimal builds. Required for STM32 targets for now. * Use SHA-256 for PKI key hashing, and add MESHTASTIC_EXCLUDE_PKI_KEYGEN for STM32 * Fix a crash when node is null * Don't send PKI encrypted packets while licensed * use chIndex 8 for PKI * Don't be so clever, that you corrupt incoming packets * Pass on channel 8 for now * Typo * Lock keys once non-zero * We in fact need 2 scratch buffers, to store the encrypted bytes, unencrypted bytes, and decoded protobuf. * Lighter approach to retaining known key * Attach the public key to PKI decrypted packets in device memory * Turn PKI back off for STM32 :( * Don't just memcp over a protobuf * Don't PKI encrypt nodeinfo packets * Add a bit more memory logging around nodeDB * Use the proper macro to refer to NODENUM_BROADCAST * Typo fix * Don't PKI encrypt ROUTING (naks and acks) * Adds SecurityConfig protobuf * Add admin messages over PKI * Disable PKI for the WIO-e5 * Add MINIMUM_SAFE_FREE_HEAP macro and set to safe 1.5k * Add missed "has_security" * Add the admin_channel_enabled option * STM32 again * add missed configuration.h at the top of files * Add EXCLUDE_TZ and RTC * Enable PKI build on STM32 once again * Attempt 1 at moving PKI to aes-ccm * Fix buffers for encrypt/decrypt * Eliminate unused aes variable * Add debugging lines * Set hash to 0 for PKI * Fix debug lines so they don't print pointers. * logic fix and more debug * Rather important typo * Check for short packets before attempting decrypt * Don't forget to give cryptoEngine the keys! * Use the right scratch buffer * Cleanup * moar cleanups * Minor hardening * Remove some in-progress stuff * Turn PKI back off on STM32 * Return false * 2.5 protos * Sync up protos * Add initial cryptography test vector tests * re-add MINIMUM_SAFE_FREE_HEAP * Housekeeping and comment fixes * Add explanatory comment about weak dh25519 keys --------- Co-authored-by: Ben Meadors <benmmeadors@gmail.com> |
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