Show HN: OpenFactor, an open source 2FA app for iPhone and Apple Watch

Category: security

Tags: two-factor-authentication, ios, apple-watch, security, totp, open-source

Score: 6.8/10 (Innovation: 5, Technical: 7, Documentation: 9, Utility: 6)

OpenFactor is a focused, open-source TOTP/HOTP authenticator app for iPhone and Apple Watch that emphasizes verifiable security through public design, no network requests, and client-side encryption before Keychain storage. Its standout features include a documented vault format with test vectors, a Watch provisioning protocol, and a commitment to auditability and user data portability.

Target audience: security-conscious iOS users, privacy advocates, developers interested in secure enclave and Keychain design

Repository: https://openfactor.dev/ · Swift · MIT

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