trezor-agent ☆
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Description:
Hardware SSH/GPG agent for Trezor and Ledger
Type: Formula  |  Latest Version: 0.12.0@12  |  Tracked Since: Oct 11, 2025
Links: Homepage  |  formulae.brew.sh
Category: Security
Tags: ssh gpg hardware-wallet security encryption authentication
Install: brew install trezor-agent
About:
Trezor-Agent is a hardware-based SSH and GPG agent that leverages Trezor or Ledger hardware wallets to secure cryptographic keys. It generates and stores private keys on the device, ensuring they never leave the hardware, while performing signing operations locally. This provides robust protection against malware and phishing attacks for server access and code signing.
Key Features:
  • Hardware-backed private key storage
  • Support for both SSH and GPG protocols
  • Compatible with Trezor and Ledger devices
  • No private keys exposed to the host system
  • Open source implementation
Use Cases:
  • Securing SSH access to production servers
  • Signing Git commits and tags with hardware-backed GPG keys
  • Multi-factor authentication for system administration
Alternatives:
  • YubiKey – Dedicated hardware security key with native PIV/PGP support, but less flexible than programmable devices
  • 1Password SSH agent – Software-based secret management with biometric unlock, but lacks hardware key isolation
Version History
Detected Version Rev Change Commit
Jan 30, 2026 8:28am 12 REVISION_ONLY e06272b0
Jan 22, 2026 11:05pm 11 REVISION_ONLY d066b222
Jan 11, 2026 8:24am 10 REVISION_ONLY 18a02c56
Jan 7, 2026 1:51pm 9 REVISION_ONLY 247c6298
Oct 11, 2025 8:58pm 7 VERSION_BUMP c98ca591
Sep 15, 2025 9:28pm 7 VERSION_BUMP ab4c87bd
Oct 10, 2024 3:51am 6 VERSION_BUMP 96e37e15
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