SipHash
Lua
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SipHash | Lua | |
---|---|---|
3 | 118 | |
593 | 7,974 | |
- | 2.1% | |
1.4 | 8.5 | |
about 1 year ago | 9 days ago | |
C | C | |
Creative Commons Zero v1.0 Universal | MIT License |
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.
SipHash
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does math.randomseed() let you use letters, or only numbers?
Very fast with security guarantees. These are faster than full cryptographic hashes and fulfill some but not all of the security guarantees. That's not to say that they're weaker, but that they're designed for certain usecases where they are perfectly adequate and others where they fail miserably. Example: SipHash2-4 https://github.com/veorq/SipHash
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Implementing Hash Tables in C
Note that if you have untrusted input, you may want to use a defensive option for hashing involving a private key, such as SipHash[1]. Otherwise, an attacker who knows your hash functions can just pre-generate a large number of colliding elements and reduce your hash function to a linked list; given enough attacker-controlled elements, this can effectively amount to a DoS attack[2].
[1] https://github.com/veorq/SipHash
[2] https://www.aumasson.jp/siphash/siphashdos_29c3_slides.pdf
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Getting unique items from a list. Why do they come out in a random order?
Sets are internally ordered by items' hash (rather, the first few bits of it, depending on the # of elements in the set), and strings are hashed with a pseudorandom algorithm.
Lua
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5-Step Approach: ProjectSveltos Event Framework for Kubernetes Deployment with Cilium Gateway API
The EventSource uses the Lua language to search for any services with ports set to 80 or 443 in the ‘argocd’ namespace. More examples can be found here.
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Building a Wordle Clone with Lua! 🕹
If you're new to the 12 in 24 series, I'm learning and building projects with a new programming language every month - this month, it's the Lua scripting language. You can find source code for the projects I build in the official GitHub repository (check it out, this week's folder contains code for both this and two other bonus projects!).
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Gearing up for Lua
This month, we're talking about Lua. It's not always a first choice when it comes to programming, but I think there's a lot to enjoy about this little language. Heck, I'm a big game development fan myself - I would look into it even if that was the only reason to.
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Pluto, a Modern Lua Dialect
It’s Portuguese. It’s the same in the Lua codebase [1].
[1]: https://github.com/lua/lua
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Fluent Bit with ECS: Configuration Tips and Tricks
If we think we need more flexibility for processing records, we can write our own embedded filters using Lua language. Lua is a highly efficient programming language used mainly for embedded scripting.
- A Linguagem Lua completa 30 anos!
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The Top 20 Programming Languages and Their Origins
Lua
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Lua C headers, MacOS
➜ ~ brew info lua ==> lua: stable 5.4.6 (bottled) Powerful, lightweight programming language https://www.lua.org/ /opt/homebrew/Cellar/lua/5.4.6 (29 files, 788.7KB) * Poured from bottle using the formulae.brew.sh API on 2023-05-16 at 11:03:06 From: https://github.com/Homebrew/homebrew-core/blob/HEAD/Formula/l/lua.rb License: MIT ==> Caveats You may also want luarocks: brew install luarocks ==> Analytics install: 16,599 (30 days), 56,745 (90 days), 139,027 (365 days) install-on-request: 1,763 (30 days), 6,266 (90 days), 21,105 (365 days) build-error: 0 (30 days)
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How do you like code documentation inline in the source code vs. as separate guides, or how would you do it?
I think Lua is a good example of doing documentation well. The source code is commented only as much as needed, mainly with brief comments about things that might not be obvious and a small number of longer explanations of how the architecture works (mainly relevant to developers). It also has a super nice feature that's surprisingly rare: each file has a very short line at the top that describes what the file is, so you don't have to guess based on the filename alone. The API is documented in a single HTML file on the website that has both the high level descriptions of the language and architecture, as well as documentation for each public-facing function. The docs are maintained by hand, but the API is mostly stable, so the docs don't need to change very often.
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Total Noob With a Question.
This is using the Lua language and the Solar2d game framework
What are some alternatives?
OpenSSL - TLS/SSL and crypto library
julia - The Julia Programming Language
OpenSSL - Swift OpenSSL for OS X and Linux
assemblyscript - A TypeScript-like language for WebAssembly.
cityhash - Automatically exported from code.google.com/p/cityhash
NvChad - Blazing fast Neovim config providing solid defaults and a beautiful UI, enhancing your neovim experience.
Obfuscator-iOS - Secure your app by obfuscating all the hard-coded security-sensitive strings.
lua-nginx-module - Embed the Power of Lua into NGINX HTTP servers
SwiftyRSA - RSA public/private key encryption in Swift
kotlin-script-examples - Examples of Kotlin Scripts and usages of the Kotlin Scripting API
AES256CBC
mal - mal - Make a Lisp