agolden / totp

Time-based One-time password generator for study.

⏲️ TOTP

Time-based One-time password generator for study.

Not intend to use in production.

🔧 Build/Run

Build:

swift build

Usage:

swift run <secret key>

Secret key is obtained by decoding QR code image.

👀 References

• RFC 4226
• RFC 6238
• Time-based One-time Password algorithm - WIkipedia
• HMAC-based One-time Password algorithm - Wikipedia