libcaer vs libhydrogen

libcaer

Minimal C library to access, configure and get data from neuromorphic sensors and processors. Currently supported devices are the Dynamic Vision Sensor (DVS), the DAVIS cameras, and the Dynap-SE neuromorphic processor. THIS IS A MIRROR. ORIGINAL PROJECT LIVES AT https://gitlab.com/inivation/libcaer (by inivation)

Embedded Systems C

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libhydrogen

A lightweight, secure, easy-to-use crypto library suitable for constrained environments. (by jedisct1)

Cryptography Crypto Embedded Systems Embedded C Arduino Avr Atmega328p Gimli

Source Code

libhydrogen.org

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libcaer		libhydrogen
	Project
2	Mentions	5
102	Stars	577
-	Growth	-
6.1	Activity	7.3
about 2 years ago	Latest Commit	about 2 months ago
C	Language	C
BSD 2-clause "Simplified" License	License	GNU General Public License v3.0 or later

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

libcaer

Posts with mentions or reviews of libcaer. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-09-30.

Compile external library on petalinux
2 projects | /r/FPGA | 30 Sep 2021

But that assumes that with the DEPENDS flag it can find the library at https://github.com/inivation/libcaer

libhydrogen

Posts with mentions or reviews of libhydrogen. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-04-22.

raddi.net - status update 2023/01
1 project | /r/raddi | 8 Feb 2023

The single round-trip initial Diffie-Hellman key exchange is susceptible to MITM attack, as has been demonstrated to me by a fan of the project. I'll be changing it to XX key exchange from libhydrogen. Either directly, or I'll use libsodium primitives to reimplement the same thing.
libsodium-wrappers on a Raspberry Pi Zero W
2 projects | /r/raspberry_pi | 22 Apr 2022

See if you can use this library instead of libsodium, as it'll probably work on your raspi zero: https://github.com/jedisct1/libhydrogen (Node bindings: https://github.com/trampi/node-libhydrogen-binding)
encpipe tool by jedisct1 on github secure?
2 projects | /r/cryptography | 30 Mar 2022
Ask HN: Are there small alternatives to libsodium/NaCL
2 projects | news.ycombinator.com | 31 Aug 2021

Are you possibly thinking of libhydrogen?
https://github.com/jedisct1/libhydrogen
Encryption for field upgrading?
1 project | /r/embedded | 3 Mar 2021

NIST's lightweight cryptography contest is still in progress. When it finishes I'd definitely change to whatever wins. In the iterim you might want to look into the candidates. I happen to like gimli, see libhydrogen for a good library that uses it.

What are some alternatives?

When comparing libcaer and libhydrogen you can also consider the following projects:

libsodium - A modern, portable, easy to use crypto library.

Tiny AES128 in C - Small portable AES128/192/256 in C

mbedcrypto - a portable, small, easy to use and fast c++14 library for cryptography.

OpenSSL - TLS/SSL and crypto library

Monocypher - An easy to use, easy to deploy crypto library

Crypto++ - free C++ class library of cryptographic schemes

s2n - An implementation of the TLS/SSL protocols

Bcrypt - Modern(-ish) password hashing for your software and your servers

GnuTLS - GnuTLS

mbedTLS - An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases.

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.

Themis - Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.