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Top 23 C++ Encryption Projects
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InfluxDB
InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.
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HElib
HElib is an open-source software library that implements homomorphic encryption. It supports the BGV scheme with bootstrapping and the Approximate Number CKKS scheme. HElib also includes optimizations for efficient homomorphic evaluation, focusing on effective use of ciphertext packing techniques and on the Gentry-Halevi-Smart optimizations.
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Project mention: CryFS: A Cryptographic Filesystem for the Cloud | news.ycombinator.com | 2024-11-29
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react-native-mmkv-storage
An ultra fast (0.0002s read/write), small & encrypted mobile key-value storage framework for React Native written in C++ using JSI
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CodeRabbit
CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.
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steganography
Simple C++ Image Steganography tool to encrypt and hide files inside images using Least-Significant-Bit encoding.
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People have thought about how to do forward secrecy with PGP:
https://sequoia-pgp.org/talks/2018-08-moving-forward/moving-...
https://sequoia-pgp.gitlab.io/openpgp-dr/openpgp_dr/index.ht...
https://github.com/stealth/opmsg
https://github.com/autocrypt/autocrypt/issues/444
There's a lot going on in the space. It is more innovative than you're giving it credit for, especially around double ratchet. Not there yet, but there's a good reason why I don't mind: control. Multi client support (DeltaChat desktop, hallelujah) and the fact that email remains federation-first.
My identity definitely leaks to my server because I pay it's bill. Not only that, but most of my contacts run their own email or borrow it from me or someone else. Our data does not leave any EU countries apart from the UK. We have IM that doesn't involve any Americans.
Some might imagine we feel terribly smug about that right now :)
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EncryptPad
Minimalist secure text editor and binary encryptor that implements RFC 4880 Open PGP format: symmetrically encrypted, compressed and integrity protected. The editor can protect files with passwords, key files or both.
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peekaboo
Simple undetectable shellcode and code injector launcher example. Inspired by RTO malware development course.
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DISCoHAsH
:rocket: DISCoHAsH - Simple, fast, quality hash in 120 lines. 10GB/s serial (depending on hardware). Also in NodeJS
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crash
crypted admin shell: SSH-like strong crypto remote admin shell for Linux, BSD, Android, Solaris and OSX (by stealth)
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Project mention: Hackers now use ZIP file concatenation to evade detection | news.ycombinator.com | 2024-11-15
DAR (Disk ARchiver)[1] looks to be a good alternative. It supports random access, encryption, and individual file compression within the archive.
[1] http://dar.linux.free.fr/
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ZeeArchiver-Android
Zee is an efficient and simple to use Android Archiver and decompressor. It can decompress and compress from-to all the formats supported by the well known 7zip utility. Copyright © 2018 Mahmoud Galal , for support contact me:[email protected]
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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).
C++ Encryption discussion
C++ Encryption related posts
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Briar: Peer to Peer Encrypted Messaging
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On Intel SGX, is it possible to set an executable running such that you, the operator, cannot decrypt its state?
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My Mother Found Out I was Installing Linux...
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Help with USB drive encryption
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Ask HN: What are the U.S. requirements for releasing OSS that uses encryption?
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I used to work for apple
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How do you get ownership over all the folders and files on a usb disk
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A note from our sponsor - SaaSHub
www.saashub.com | 22 Apr 2025
Index
What are some of the best open-source Encryption projects in C++? This list will help you:
| # | Project | Stars |
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| 1 | SEAL | 3,741 |
| 2 | fully-homomorphic-encryption | 3,563 |
| 3 | HElib | 3,191 |
| 4 | cryfs | 2,087 |
| 5 | apfs-fuse | 1,902 |
| 6 | react-native-mmkv-storage | 1,676 |
| 7 | concrete | 1,336 |
| 8 | xorstr | 1,253 |
| 9 | steganography | 1,032 |
| 10 | securefs | 773 |
| 11 | opmsg | 753 |
| 12 | EncryptPad | 442 |
| 13 | peekaboo | 243 |
| 14 | DISCoHAsH | 219 |
| 15 | plusaes | 210 |
| 16 | CIDLib | 208 |
| 17 | crash | 193 |
| 18 | DAR | 149 |
| 19 | psc | 121 |
| 20 | conceal-core | 101 |
| 21 | ZeeArchiver-Android | 86 |
| 22 | stenc | 72 |
| 23 | librengine | 70 |
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