Tamper-resistant block timing: SCBlockClock + trusted-time verification#930

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ahmedkh19:feature/tamper-resistant-timing

Commits on May 14, 2026

docs: tamper-resistant block timing design + implementation plan

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feat: add SCBlockClock with recordBlockStart

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feat(blockclock): same-boot checkpoint accounting

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feat(blockclock): cross-boot reboot accounting + backward-clock test

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feat(trustedtime): HTTP Date parser + pinned-host SPKI constants

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feat(trustedtime): pinned URLSession fetch + multi-host quorum

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feat: wire SCBlockClock into block start + strict expiry gate

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feat(daemon): 30s checkpoint timer + verified-internet unlock gate

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feat(ui): expose unlock-gate state over XPC + show waiting-for-internet message

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Commits on May 15, 2026