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mbedTLS Alternatives
Similar projects and alternatives to mbedTLS
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Redis
For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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SaaSHub
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wolfssl
The wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS 1.3!
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LibTomCrypt
LibTomCrypt is a fairly comprehensive, modular and portable cryptographic toolkit that provides developers with a vast array of well known published block ciphers, one-way hash functions, chaining modes, pseudo-random number generators, public key cryptography and a plethora of other routines.
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ck
Concurrency primitives, safe memory reclamation mechanisms and non-blocking (including lock-free) data structures designed to aid in the research, design and implementation of high performance concurrent systems developed in C99+.
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LibreSSL
LibreSSL Portable itself. This includes the build scaffold and compatibility layer that builds portable LibreSSL from the OpenBSD source code. Pull requests or patches sent to [email protected] are welcome.
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better mbedTLS alternative or higher similarity.
mbedTLS discussion
mbedTLS reviews and mentions
Posts with mentions or reviews of mbedTLS.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2025-04-25.
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GCC, the GNU Compiler Collection 15.1 released
> How much code actually uses unions this way?
I see this change caused Mbed-TLS to start failing its test suite when compiled with GCC 15: https://github.com/Mbed-TLS/mbedtls/issues/9814 (kinda scary since it's a security library). Hopefully other projects with less rigorous test suites aren't using {0} in that way. The Github issue mentions that Clang tried a similar optimization a while ago and backed it out after user complaints, so maybe the same thing will happen with GCC.
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13 Github Projects that Will Supercharge Your Development Journey in 2025 🚀
Stars: 5727 Author: Mbed-TLS Star the mbedtls repository⭐
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OpenWrt 23.05
It's work in progress: https://github.com/Mbed-TLS/mbedtls/blob/development/docs/ar...
Newer version have okay-ish support, I'd guess the next OpenWRT release will have it again.
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How can I disable the close_notify message?
It's related to this Mbed-TLS issue
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DIY Physical Backed Tokens (EIP-5791) with ESP32 and BLE
i've used the entropy generator from MbedTLS which uses multiple sources of randomness, and seeding it additionally with the chip's mac address and the free heap size at time of creation. it would take a lot to recreate all that "noise" consistently, but i'm open to suggestions on how to make it more secure
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Help libraries won’t work on the IDE for esp32
However on the github page and assuming I found the right source - and this is a HUGE ASSUMPTION - there is a section on porting the library to other platforms.
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redbean: a single-file actually portable web server with Lua, HTTPS and SQLite
Rebean is a single executable written in ANSI C that embeds Lua 5.4, MbedTLS and SQLite. The crazy thing about this is that it is a C binary that runs on six operating systems without any cross compiling thanks to leveraging Justine Tunney's cosmopolitan.
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Install mbedTLS on Linux
it looks like the commands are all built under https://github.com/Mbed-TLS/mbedtls/tree/development/programs and the arch mbedtls package does some extra work to rename them and copy them into /usr/local/bin: https://github.com/archlinux/svntogit-community/blob/packages/mbedtls/trunk/PKGBUILD#L55
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Elliptic Curve Cryptography Explained
If you want to see a real implemention of arbitrary sized integer math, mbedTLS is a great example:
https://github.com/ARMmbed/mbedtls/blob/development/library/...
All of the ECC code in that library relies on this code, which can be accelerated by dedicated hardware.
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C Deep
mbed TLS - Another crypto implementation. Apache-2.0
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A note from our sponsor - SaaSHub
www.saashub.com | 18 May 2025
Stats
Basic mbedTLS repo stats
11
5,871
9.9
3 days ago
Mbed-TLS/mbedtls is an open source project licensed under GNU General Public License v3.0 or later which is an OSI approved license.
The primary programming language of mbedTLS is C.
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