libgfshare ☆
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Description:
Library for sharing secrets
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Security
Tags: cryptography security library secrets shamir
Install: brew install libgfshare
About:
Libgfshare is a C library that implements the Shamir's Secret Sharing algorithm. It allows you to split a secret into multiple shares, where a defined threshold of shares is required to reconstruct the original secret. This provides a secure way to manage sensitive data by distributing trust across multiple parties or locations.
Key Features:
  • Implements Shamir's Secret Sharing algorithm
  • C library for easy integration
  • Threshold-based security model
  • Command-line tools included for share management
Use Cases:
  • Distributing encryption keys among multiple administrators
  • Securely storing sensitive credentials with redundancy
  • Protecting cryptocurrency wallet seeds
Alternatives:
  • ssss – ssss is a standalone tool, while libgfshare provides a library for integration into other applications
  • age-plugin-tpm – Uses hardware security modules instead of mathematical secret splitting
Version History
Detected Version Rev Change Commit
Sep 30, 2023 1:44pm 0 VERSION_BUMP 9b8e9606
Dec 1, 2022 2:33pm 0 VERSION_BUMP f23ba1ef
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