libntlm ☆
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Description:
Implements Microsoft's NTLM authentication
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Security
Tags: authentication ntlm security library c
Install: brew install libntlm
About:
Libntlm is a C library that implements Microsoft's NTLM (NT LAN Manager) authentication protocol. It provides functions to generate and process NTLM authentication messages, enabling client-server applications to authenticate against Windows systems. Its main value is offering a lightweight, standalone solution for adding NTLM support without requiring the full Samba suite.
Key Features:
  • C library for NTLM v1 and v2 authentication
  • Generates and parses NTLM messages
  • Standalone and lightweight
  • Supports MD4 and HMAC-MD5 hashing
Use Cases:
  • Adding NTLM authentication to custom network clients
  • Integrating with legacy Windows services that require NTLM
  • Building proxy servers that need to handle NTLM
Alternatives:
  • Samba libs – Samba provides NTLM support but is a much larger and more complex suite of tools.
Version History
Detected Version Rev Change Commit
Sep 16, 2025 8:12am 0 VERSION_BUMP a6ed22e2
Sep 13, 2024 2:53pm 0 VERSION_BUMP e640e8c5
Apr 14, 2024 4:52pm 0 VERSION_BUMP e97181d2
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