LibreSSL vs Crypto++

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. (by libressl)

Cryptography libressl C Openbsd Openssl SSL TLS

Source Code

libressl.org

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Crypto++

free C++ class library of cryptographic schemes (by weidai11)

Cryptography Crypto C++

Source Code

cryptopp.com

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LibreSSL		Crypto++
	Project
2	Mentions	6
1,313	Stars	4,547
2.6%	Growth	-
9.5	Activity	8.0
7 days ago	Latest Commit	about 1 month ago
C	Language	C++
-	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.

LibreSSL

Posts with mentions or reviews of LibreSSL. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-06-16.

OpenSSL 1.1.1 End of Life Approaching
4 projects | news.ycombinator.com | 16 Jun 2023
[gentoo-dev] [News review] LibreSSL support discontinued
2 projects | /r/Gentoo | 3 Jan 2021

On the plus side they have Ed25519, on the negative side we don't have BLAKE2 or X25519, etc.

Crypto++

Posts with mentions or reviews of Crypto++. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-09-06.

And the Earn It act is back in the US. Third times the charm to crush privacy?
1 project | /r/linux | 6 May 2023

I'm one of the maintainers of Crypto++, https://cryptopp.com/.
How to use a static library in g++
2 projects | /r/cpp_questions | 6 Sep 2022

Hello, Im new to c++ and wanted to make a project from scratch, so far I understand how to compile multiple .cpp files using g++ (and visual studio code). The only thing that gives me a headache is trying to include open source libraries into my project, basically i want to use Cryptopp library (https://github.com/weidai11/cryptopp).
Information and learning resources for cryptography newcomers
11 projects | /r/cryptography | 31 Jan 2022
Libraries
14 projects | /r/cpp_questions | 7 Dec 2021

cryptopp
Crypto++ 8.6
1 project | news.ycombinator.com | 24 Nov 2021
C++: library for encryption and decryption with AES algorithm
1 project | /r/cpp_questions | 7 Oct 2021

What are some alternatives?

When comparing LibreSSL and Crypto++ you can also consider the following projects:

OpenSSL - TLS/SSL and crypto library

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.

Botan - Cryptography Toolkit

GnuTLS - GnuTLS

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

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

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.

GnuPG - Mirror of git://git.gnupg.org/gnupg.git — master branch contains no changes from upstream.