audit_log.cpp File Reference

Hash-chained audit log - implementation. More...

#include "services/security/audit_log/audit_log.h"
#include "shared_primitives/hex.h"
#include "shared_primitives/strbuf.h"

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Detailed Description

Hash-chained audit log - implementation.

Fixed RAM ring of records. Each record's hash chains the previous record's hash; the oldest retained record chains a moving "anchor" (the hash of the last evicted record, genesis-zero before any eviction), so the retained window verifies as a complete chain. SHA-256 comes from pc_sha256 (HW-accelerated on ESP32); the timestamp comes from the pluggable pc_clock.

Definition in file audit_log.cpp.