tracker/semantic-firewall/day-17
17
WK3Audit + Governance· day 17/30

Signed Logs (HMAC)

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CONCEPTS
  • ›HMAC
  • ›log verification
  • ›secrets management
BUILD
  • ›HMAC signing of each log entry → verifiable logs
TASKS
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01Generate HMAC secret key
02Sign each log entry with HMAC-SHA256
03Write verify_signature() function
04Test verification pass/fail
OUTPUT→Cryptographically signed log entries
DEV LOG · 2026-05-27
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