[v16] fix: release PIV connection during PIN prompts - avoid "the smart card has been reset" error#55109

Merged

Joerger merged 14 commits into

bot/backport-54700-branch/v16

May 23, 2025

Commits on May 23, 2025

Refactor connection sharing logic to allow reconnection logic.

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Refactor signature method into organized parts; Move signPromptMu further down the callstack to allow better concurrent access; Add attestMu to prevent certificate corruption.

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Handle PIV reconnection within doWithSharedConn.

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Add test; Fix issues.

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Add debug log.

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Clean up locks.

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Only prompt PIN on retry; Clean up prompt logic.

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Add todo for upstream PR.

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Prevent PIV operations that don't support concurrency from being run concurrently; add test.

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- Revert connection sharing refactors.

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Address comments; Move touch prompt into abandonableSign for clearer synchronous logic.

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Restore cancel cause behavior.

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Address signature concurrency comments.

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Fix signature channel.

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