Peter Woolery 437f73739f feat(tools): add ECDSA P-256 key generation tool and public key header ...

Generates firmware signing keypair; private key stays in gitignored
secrets/, public key written as 65-byte C array to
firmware/lib/ota_updater/ota_pubkey.h for compile-time OTA verification.

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

2026-05-11 06:47:10 -07:00

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