yubico-authenticator ☆
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Description:
Full-featured companion app to the YubiKey
Type: Cask  |  Latest Version: 7.3.3@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @Yubico  |  formulae.brew.sh
Category: Security
Tags: yubikey 2fa totp hotp security authentication
Install: brew install --cask yubico-authenticator
About:
Yubico Authenticator is a companion application for YubiKey devices that securely generates Time-based (TOTP) and HMAC-based (HOTP) One-Time Passwords. Unlike software-based authenticators, it stores the secrets on the hardware key itself, ensuring they are never exposed to the host computer or malware. This provides a robust two-factor authentication solution that works across desktop and mobile platforms.
Key Features:
  • Hardware-backed secret storage on YubiKey
  • Support for both TOTP and HOTP protocols
  • Cross-platform desktop and mobile support
  • QR code scanning for easy setup
  • Offline code generation
Use Cases:
  • Securing online accounts with hardware-backed 2FA
  • Generating offline OTP codes for high-security environments
  • Managing multiple authentication tokens from a single interface
Alternatives:
  • Authy – Cloud-synced software authenticator vs hardware-backed Yubico Authenticator
  • Google Authenticator – Mobile-only software authenticator vs cross-platform hardware-backed solution
  • 1Password – Password manager with built-in TOTP vs dedicated hardware authenticator
Version History
Detected Version Rev Change Commit
Apr 15, 2026 2:16pm 7.3.3 0 VERSION_BUMP ae90079b
Mar 4, 2026 7:52pm 7.3.2 0 VERSION_BUMP 2f757cdb
Sep 15, 2025 1:37pm 7.2.3 0 VERSION_BUMP 417c3962
Dec 12, 2023 10:43pm 6.3.1 0 VERSION_BUMP df3bbd17
Sep 7, 2023 12:53pm 6.3.0 0 VERSION_BUMP 5e3778c9
Apr 19, 2023 7:45pm 6.2.0 0 VERSION_BUMP cf19664d
Apr 13, 2023 7:40pm 6.1.0 0 NEW 0c6f4e57
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