Description:
GNU Transport Layer Security (TLS) Library
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Type: Formula
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Tracked Since: Dec 28, 2025
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Links:
Homepage |
formulae.brew.sh
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Category: Security
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Tags:
tls
encryption
security
networking
library
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Install:
brew install gnutls
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About:
Gnutls is a secure communications library implementing the Transport Layer Security (TLS) and Datagram TLS (DTLS) protocols. It provides a simple C API for applications to establish encrypted connections, supporting X.509 and OpenPGP certificate handling. Its primary value is offering a robust, standards-compliant alternative to OpenSSL with a focus on portability and ease of integration.
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Key Features:
- Supports TLS 1.0, 1.1, 1.2, and 1.3
- C API with bindings for languages like Python, C++, and Go
- Integrated support for X.509 and OpenPGP certificate handling
- Extensible via custom authentication methods and backends
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Use Cases:
- Securing client and server network communications
- Implementing VPNs and secure tunneling protocols
- Building secure embedded systems and IoT devices
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Alternatives:
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OpenSSL
– The de facto standard; GnuTLS is often considered more portable and easier to integrate with GPL-licensed software.
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mbedTLS
– Designed for embedded systems with a smaller footprint; GnuTLS offers a broader feature set for general-purpose use.
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