Orvina
zxcvbn
Orvina | zxcvbn | |
---|---|---|
18 | 59 | |
62 | 14,712 | |
- | 0.7% | |
6.9 | 0.0 | |
6 months ago | 3 months ago | |
C# | CoffeeScript | |
MIT License | MIT License |
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Orvina
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The Icculus Microgrant is giving out 250 dollar grants to open source projects, please brag about your project(s) in this thread so I can see them!
Orvina Text Search is a FAST, multithreaded file text searching tool. The engine is also available as a nuget package if you want to integrate it into your own project or UI.
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Don't fear the spin lock
While working in Orvina, performance increased dramatically with a careful selection of locks to upgrade to spin locks - and the effort was less trouble than what was expected.
- Orvina: High performance text search tool and nuget package on .NET 6. Grep-like but not grep.
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grep gets killed by OOM-killer
check out Orvina, one of the fastest grep like tools out there.
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Regular Expression Improvements in .NET 7
I worked on Orvina and built a custom, mini regex engine in .net 6. I'll have to try .net 7 and see if I can delete my code :)
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Searching Text On Your PC? Check out this FOSS app.
Check out Orvina. Search all my text files for "lisa"
- Orvina: One of the Fastest Text Search Utilities: Search your whole drive easily.
- Fast .Net 6 Text Search Utility
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Orvina Text Search v1.6.1 - Fastest version yet and new features!
The newest version supports * and ? wildcards and case matching, enabling a more powerful text search without getting into the complexities of a full regex text search (grep).
- Orvina Text Search, search your files Fast & EZ
zxcvbn
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Show HN: A lightweight PHP library for checking password strength
Lightweight is an understatement here.
A client's project (with not necessarily technical customers) has had pretty reasonable success using the Dropbox originated library[1] for this, `zxcvbn`[2], on both frontend via js (for "instant" feedback) and on the backend via php (to enforce the requirements when writing password hashes to the database)
1: https://dropbox.tech/security/zxcvbn-realistic-password-stre...
2: https://github.com/dropbox/zxcvbn
- Zxcvbn: Low-Budget Password Strength Estimation – Usenix (2016)
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I updated our famous password table for 2023
use zxcvbn to check your password strength more thoroughly
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I hope the common password whitelisters at Microsoft still get therapy benefits to share the unobfuscated language they were subjected to.
source if anyone wants the whole list https://github.com/dropbox/zxcvbn/blob/master/data/passwords.txt
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How long can a password be with the new login system?
Password strength is evaluated based on the zxcvbn library.
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How hard could it be? Sorting words alphabetically in Rust
In contrast, let's consider the password "zxcvbn214". How might we assign an entropy to this password? Is it 369? Or 266 * 103? Anyone familiar with a QWERTY keyboard or Dropbox's password strength estimator knows that "zxcvbn" is hardly a random sequence of letters. This same principle applies to "l33t" speak, e.g. replacing all "e"s with 3s and "a"s with 4s. These strategies may "trick" simple entropy calculations into estimating a high entropy, but it won't trick sophisticated attackers. This leads to strength over-estimation, which is, I argue, the worst thing we can do in this context.
- Zxcvbn: Low-Budget Password Strength Estimation
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TIL There's Another YAML
> except for ZXCVBN
You mean the Low-Budget Password Strength Estimator?
https://github.com/dropbox/zxcvbn
Yeah, that name is totally legit.
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Which tool can crack this password so fast?
For any part of the password that the zxcvbn cannot match to a known pattern, it uses a brute-force cardinality of 10, i.e., it estimates that the number of guesses required to crack a password or password segment of length N is equal to 10N (equivalent to the number of guesses required to exhaust all possibilities if your password consisted only of numbers).
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Bitwarden Design Flaw
We took a similar approach to passphrase stretching in EnvKey[1] v1 (EnvKey is a secrets manager, not a passwords manager, but uses end-to-end encryption in a similar way). We used PBKDF2 with iterations set a bit higher than the currently recommended levels, as well as Dropbox's zxcvbn lib to try to identify and block weak passphrases.
Ultimately, I think it's just not good enough. Even if you're updating iteration counts automatically (which is clearly not a safe assumption, and to be fair not something we did in EnvKey v1 either), and even with safeguards against weak passphrases, using human-generated passphrases as a single line of defense is just fundamentally weak.
That's why in EnvKey v2, we switched to primarily using high entropy device-based keys--a lot like SSH private keys, except that on Mac and Windows the keys get stored in the OS keychain rather than in the file system. Also like SSH, a passphrases can optionally be added on top.
The downside (or upside, depending how you look at it) is that new devices must be specifically granted access. You can't just log in and decrypt on a new device with only your passphrase. But the security is much stronger, and you also avoid all this song and dance around key stretching iterations.
1 - https://github.com/envkey/envkey
2 - https://github.com/dropbox/zxcvbn
What are some alternatives?
the_silver_searcher - A code-searching tool similar to ack, but faster.
SecLists - SecLists is the security tester's companion. It's a collection of multiple types of lists used during security assessments, collected in one place. List types include usernames, passwords, URLs, sensitive data patterns, fuzzing payloads, web shells, and many more.
gentooinstall
monkeytype - The most customizable typing website with a minimalistic design and a ton of features. Test yourself in various modes, track your progress and improve your speed.
kondo - Cleans dependencies and build artifacts from your projects.
keepassxc - KeePassXC is a cross-platform community-driven port of the Windows application “Keepass Password Safe”.
Gwion - :musical_note: strongly-timed musical programming language
dumb-password-rules - A compilation of sites with dumb password rules.
insect - High precision scientific calculator with support for physical units
Next.js - The React Framework
space-nerds-in-space - Multi-player spaceship bridge simulator game. Captain your starship through adventures with your friends. See https://smcameron.github.io/space-nerds-in-space
Material UI - Ready-to-use foundational React components, free forever. It includes Material UI, which implements Google's Material Design.