Chi-squared distribution entropy.
Beta distribution differential entropy.
Calculate the entropy of a password string, but fast!
Gamma distribution differential entropy.
Normal distribution differential entropy.
Secure, audited & minimal implementation of BIP39 mnemonic phrases
A small implementation of `crypto.getRandomValues` for React Native. This is useful to polyfill for libraries like [uuid](https://www.npmjs.com/package/uuid) that depend on it.
Inverse gamma distribution differential entropy.
Generate more entropy to combine with Node's crypto.rng or window.crypto
Generate XRPL Accounts with a number-based secret: 8 chunks of 6 digits
Cryptographic key pairs for the XRP Ledger
Generate XRPL Accounts with a number-based secret: 8 chunks of 6 digits
Student's t distribution entropy.
MetaMask fork of @scure/bip39: a secure, audited & minimal implementation of BIP39 mnemonic phrases
Cauchy distribution differential entropy.
[](https://github.com/paralleldrive/aidd)[](https://paralleldrive.com)
Lognormal distribution differential entropy.
BIP39 mnemonic for key derivation schemes
TypeScript definitions for fast-password-entropy
Resolve a URI relative to an optional base URI
Exodus BIP39 module
Poisson distribution entropy.
Arcsine distribution differential entropy.
A module to analyze multiple seqs (information content, frequency, ...)
entropy-game shared library
SIMD-accelerated LZ4/ZSTD compression engine for Linux zram devices
Entropy-based image border detection
Local MITM proxy that keeps secrets out of LLM traffic
An entropy-based password strength estimator, originally for Javascript by Dropbox.
Pure-Rust implementation of NCBI BLAST (Basic Local Alignment Search Tool)
Lots of algorithms to compare how similar two sequences are
Supply chain security scanner for any GitHub project
Embedding methods implemented in Rust: (parametric) UMAP, tSNE, PHATE, Diffusion Map and PacMAP.
A batteries-included Rust toolkit for building intelligent agents with LLM integration, multi-protocol tool support, multi-agent orchestration, and MentisDB-backed durable memory.
Advanced Rust code virtualization and obfuscation framework
Intelligent URL deduplication tool for bug bounty workflows
Solves Wordle puzzles by ranking next guesses by expected information gain (Shannon entropy of the feedback-pattern distribution). Ships with the real Wordle word lists and a single-line interactive CLI.
Train and predict string entropy based on character n-grams.
Entropy-based password strength checking for Ruby and ActiveModel
Returns passphrase strength based on entropy and weak passphrase tests
Crops images based on entropy: leaving the most interesting part intact. Usefull for automatic cropping or resizing of images.
Passw is a Ruby library for generating secure passwords, supporting length, character types, exclusions, and entropy-based strength assessment.
Validate passwords against configurable policies (length, complexity, common password dictionary, context-aware checks), score strength with entropy-based and zxcvbn-style analysis, detect keyboard patterns and sequences, hash with bcrypt, and generate secure random passwords, passphrases, and PINs.
PassForge is a feature-rich Ruby gem for generating secure passwords. It supports random passwords, memorable passphrases (XKCD-style), pronounceable passwords, pattern-based generation, password strength analysis, entropy calculation, and breach checking via HaveIBeenPwned API.
Crops images based on entropy: leaving the most interesting part intact. Don't expect this to be a replacement for human cropping, it is an algorythm and not an extremely smart one at that :). Best results achieved in combination with scaling: the cropping is then only used to square the image, cutting off the least interesting part. The trimming simply chops off te edge that is least interesting, and continues doing so, untill it reached the requested size.
Generate a 4 word password from words of size 3-8 characters, with frequencies in the 30th-60th percentile. This range gives a nice set of uncommon but not completely alien words. $ chbs generate --verbose -W 3..8 -P 30..60 Corpus size: 6396 candidate words of 33075 total Entropy: 48 bits (2^48 = 281474976710656) Years to guess at 1000 guesses/sec: 8926 magnate-thermal-sandbank-augur With the --verbose flag, the utility will calculate a time-to-guess based on a completely arbitrary 1000 guesses/sec. If you'd like a more secure password, either relax the various filtering rules (-W and -P), add more words to the password, or use a larger corpus. By default we use the American TV Shows & Scripts corpus taken from Wiktionary. Others provided: * Project Gutenberg 2005 corpus taken from Wiktionary. * 1 of every 7 of the top 60000 lemmas from wordfrequency.info (6900 actual lemmas after processing) See http://xkcd.com/936/ for the genesis of the idea. Data sources: http://en.wiktionary.org/wiki/Wiktionary:Frequency_lists http://wordfrequency.info/
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