Add hmac-secret-mc CTAP 2.2 extension for PRF at MakeCredential time#167

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copilot/add-hmac-secret-mc-support

Commits on Feb 17, 2026

Commits on Feb 18, 2026

Refactor: share PRF→HMAC logic between GA and MC, remove _eval from MakeCredentialPrfInput

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AlfioEmanueleFresta
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Add test for PRF eval JSON deserialization, fix PRFValue serde defaults

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AlfioEmanueleFresta
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Move PRF/HMAC shared code to proto::extensions::prf, add eval to test, remove constructor

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AlfioEmanueleFresta
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Commits on Feb 27, 2026