mbedtls ☆

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Description:
Cryptographic & SSL/TLS library

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Security

Tags: cryptography tls ssl security library encryption

Install: brew install mbedtls

About:
Mbed TLS is an open source, portable, easy to use, readable and flexible TLS library. It provides a comprehensive set of cryptographic primitives and protocols, including SSL/TLS and DTLS, for securing communications. It is designed for embedded systems and constrained environments but is also fully capable for use on servers and desktops.

Key Features:

Implements TLS 1.2/1.3 and DTLS 1.2/1.3
Comprehensive set of cryptographic algorithms (AES, SHA, RSA, ECC)
Designed for embedded systems with low resource overhead
Apache 2.0 licensed with no restrictions

Use Cases:

Securing IoT device communications
Building custom TLS clients and servers
Implementing cryptographic functions in applications

Alternatives:

OpenSSL – More widely used but larger and GPL-licensed; Mbed TLS is more modular and Apache-licensed
LibreSSL – OpenSSL fork focused on security; Mbed TLS is lighter and designed for portability

Version History

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