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Top 23 C Encryption Projects
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Project mention: Forthcoming OpenSSL Releases 3.0.8, 1.1.1T and 1.0.2zg | news.ycombinator.com | 2023-02-01
The meta issue for slow performance is https://github.com/openssl/openssl/issues/17627
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Project mention: What are the best apps you've been using for a long time on Windows? | reddit.com/r/software | 2022-12-31
VeraCrypt - Create encrypted disks quickly and on the fly.
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InfluxDB
Build time-series-based applications quickly and at scale.. InfluxDB is the Time Series Platform where developers build real-time applications for analytics, IoT and cloud-native services. Easy to start, it is available in the cloud or on-premises.
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> The documentation is kind of vague, but apparently you have to re-enable it regularly.[3]
This is correct. And in the end it means more or less that setting the socket option is more of a way of sending an explicit ACK from userspace than a real setting.
It's not great for common use-cases, because making userspace care about ACKs will obviously degrade efficiency (more syscalls).
However it can make sense for some use-cases. E.g. I saw the s2n TLS library using QUICKACK to avoid the TLS handshake being stuck [1]. Maybe also worthwhile to be set in some specific RPC scenarios where the server might not immediately send a response on receiving the request, and where the client could send additional frames (e.g. gRPC client side streaming, or in pipelined HTTP requests if the server would really process those in parallel and not just let them sit in socket buffers).
[1] https://github.com/aws/s2n-tls/blob/46c47a71e637cabc312ce843...
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What an arbitrary criteria to judge a project by. There have been 5 releases in the past year, including a major feature release.
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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!
Or something a bit more lightweight - https://github.com/wolfSSL/wolfssl
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magma
The magma server daemon, is an encrypted email system with support for SMTP, POP, IMAP, HTTP and MOLTEN,. Additional support for DMTP and DMAP is currently in active development. (by lavabit)
Project mention: Magma: Open-source carrier-grade wireless networking platform for rural areas | news.ycombinator.com | 2022-12-03If you're having déjà vu, it's because there is also an encrypted email service called Magma:
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SonarLint
Clean code begins in your IDE with SonarLint. Up your coding game and discover issues early. SonarLint is a free plugin that helps you find & fix bugs and security issues from the moment you start writing code. Install from your favorite IDE marketplace today.
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Themis
Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.
Project mention: Themis: Strong, usable cryptography for busy people | news.ycombinator.com | 2022-02-17 -
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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Cronos
PoC for a new sleep obfuscation technique leveraging waitable timers to evade memory scanners. (by Idov31)
Project mention: Cronos: PoC for a new sleep obfuscation technique leveraging waitable timers to evade memory scanners - leveraging waitable timers to RC4 encrypt the current process and change the permissions from RW to RX | reddit.com/r/blueteamsec | 2022-09-25 -
The https://github.com/resilar/sqleet encryption extension is free / open source.
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trice
super fast and tiny embedded device C printf-like trace code (works also inside interrupts) and real-time PC logging (trace ID visualization)
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Do `torify git clone https://github.com/gkdr/lurch/
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Project mention: sd-encrypt, LUKS partition unlock and YubiKey - Erratic behavior | reddit.com/r/archlinux | 2023-01-31
I am interested in running a self-signed Secure Boot LUKS setup that I could unlock with my YubiKey. I've tried an initramfs hook in my other devices and it works. However, I read this section about unlocking the LUKS partition with systemd and its integrated enrollment tool (systemd-cryptenroll) and my interest was piqued since it meant an integrated solution that doesn't depend on a third-party one.
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disco-c
A tiny C cryptographic library to encrypt sessions, authenticate messages, sign, hash, etc. based only on SHA-3 and Curve25519
Project mention: Liblithium: A lightweight and portable cryptography library | news.ycombinator.com | 2022-11-16Wondering if the authors heard of embedded disco[1]
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You've hit the nail right on the head with this question on how hard group encryption is, and we don't have all the answers yet as we are still working the use cases around it. We are hoping to reach a level of security that you mention in your SE question using something similar to the excellent accepted answer, distributed private key sharing among trusted participants.
The basis we are exploring is using an algorithm called Signcryption (https://github.com/jedisct1/libsodium-signcryption) that is already included in pgsodium. This doesn't solve any of the shared private key issues you mention above, but it is a useful foundation for distributing encrypted messages that separate out sender and receiver identifiers from their keys, a sort of lower level foundation on top of which distributed key sharing can occur.
I also think signcryption is a great foundation for a better token format than JWT or PASETO, as it covers all of their use cases without algorithm confusion attacks (despite PASETO's insistence on "Algorithm Lucidity") and supports more features such as third party verification and streaming shared key generation from any token without having to exchange the key, we hope to use these tokens so that end-to-end peers can exchange tokens, derive streaming shared keys, and then do direct point-to-point message exchange using libsodium crypto_secretstream API which supports key ratcheting for forward secrecy.
Would love to discuss more about your research with you and include it with attribution into our future work, send me an intro at [email protected] when any other ideas or resources you'd like us to see!
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Project mention: Ask HN: What does everyone use for encrypting their personal stuff? | news.ycombinator.com | 2022-10-24
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wiz-packet-map
Wizard101 tool that dynamically dumps packet data and decrypts packets to and from the server that use aes-gcm encryption
Project mention: Hardware level packet triggers breakpoint while reverse engineering packets | reddit.com/r/REGames | 2022-05-19 -
independer-loras
Independer: Encrypted messaging & data sharing via LoRaS & inexpensive hardware (ESP32). Independent from mobile network & WIFI.
Project mention: Good news! A new Independer version is available v.0.3.8. From now on the user interface is available in English and German. Beside the frequency 868Mhz, now also the frequency 915Mhz is supported .... | reddit.com/r/tech | 2022-12-07 -
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
The latest post mention was on 2023-02-01.
C Encryption related posts
- Forthcoming OpenSSL Releases 3.0.8, 1.1.1T and 1.0.2zg
- sd-encrypt, LUKS partition unlock and YubiKey - Erratic behavior
- sha256sum written in Python faster than GNU version in C?
- My list of favorite secure messaging apps
- Database upgrade failed
- What are the best apps you've been using for a long time on Windows?
- Encryption: ciphers, digests, salt and a hands-on guide
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Index
What are some of the best open-source Encryption projects in C? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | OpenSSL | 20,769 |
| 2 | VeraCrypt | 4,695 |
| 3 | s2n | 4,243 |
| 4 | GmSSL | 3,728 |
| 5 | c-toxcore | 1,883 |
| 6 | wolfssl | 1,823 |
| 7 | magma | 1,793 |
| 8 | Themis | 1,656 |
| 9 | LibTomCrypt | 1,331 |
| 10 | Minizip-ng | 979 |
| 11 | enchive | 566 |
| 12 | Cronos | 368 |
| 13 | sqleet | 334 |
| 14 | trice | 294 |
| 15 | lurch | 274 |
| 16 | VeraCrypt-DCS | 115 |
| 17 | mkinitcpio-ykfde | 94 |
| 18 | CatCrypto | 62 |
| 19 | disco-c | 57 |
| 20 | libsodium-signcryption | 46 |
| 21 | rvault | 28 |
| 22 | wiz-packet-map | 22 |
| 23 | independer-loras | 20 |
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