CAIN-INV-0554: Ed25519 signature verification (RFC 8032), for verifying quorum certificates

VERIFIED source compiles

Domain	VERIFICATION_AND_ASSURANCE
Tier	ENGINEERING_INNOVATION
Source	`sdk/python/src/cainstudio/_ed25519.py`
Mapped tests ran	177
Passed / failed / errored	177 / 0 / 0
Compiles	yes

Mapped tests

sdk/python/tests/test_local_checkpoint.py

tests/test_cain42_frontier_wave4.py

tests/test_cain_trust_kernel.py

tests/test_sdk_agent_security_quickstart.py

tests/test_sdk_contracts.py

Generated 2026-10-06T19:15:35Z from git unknown. This page is a republication of the run result; it is not an independent audit.

Same-project verification only. The tests are authored in this repository; no third party has reviewed or reproduced these results. VERIFIED means the mapped tests passed in this run, not that the mechanism is independently correct.