Two-Factor Auth
TOTP (RFC 6238), backup codes, QR code generation for authenticator apps, and recovery flows. Zero dependencies.
Part of the Auth Vault toolkit by CodeVault.
Features
- TOTP generation per RFC 6238 (30-second intervals, 6-digit codes)
- QR code generation as SVG — no image library dependencies
- Backup codes: cryptographically secure, single-use
- Compatible with Google Authenticator, Authy, and 1Password
- Configurable time window tolerance for clock drift
- Recovery flow with backup code verification
- CLI tool for enrollment, verification, and backup code management
- Zero dependencies — Python stdlib only
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Two Factor Auth v1.0.0 — Free Preview