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

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