signet ☆

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Description:
Scans and checks bundle signatures

Type: Cask | Latest Version: 1.3,2020.09@0 | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Security

Tags: macos security utility signature verification

Install: brew install --cask signet

About:
Signet is a utility designed to verify the code signatures and notarization status of applications and other executable files on macOS. It scans designated files or folders, cross-referencing their signatures against Apple's Gatekeeper records to detect any alterations or corruption. This tool is essential for maintaining system security by ensuring that installed software is authentic and has not been tampered with.

Key Features:

Scans and verifies code signatures of apps and executables
Checks notarization status against Apple's records
Detects altered or corrupted signatures
Provides detailed reports on signing certificates

Use Cases:

Verifying the integrity of downloaded applications before installation
Troubleshooting app launch issues related to Gatekeeper and signing
Auditing installed software for security compliance

Alternatives:

codesign – Built-in CLI tool for checking signatures; Signet offers a GUI and broader scanning capabilities
spctl – Assesses security policy for apps; Signet provides more detailed signature analysis

Version History

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