Stable JS value hash.

Open detection standard -- like Sigma, but for AI agents. Executable rules for prompt injection, tool poisoning, context exfiltration, and MCP attacks. Shipped in Cisco AI Defense. MIT-licensed.

abstract base class for hash-streams

A collection of utilities for better-auth

A pure JS implementation SHA256.

SHA256 wrapper for browsers that prefers `window.crypto.subtle` but will fall back to a pure JS implementation in @aws-crypto/sha256-js to provide a consistent interface for SHA256.

create hashes for browserify

Hashing made simple. Get the hash of a buffer/string/stream/file.

Generates a hash for an installed npm package, useful for salting caches

Create a base32 hash

ATR assembly and hashing — the smallest thing every other LCP package agrees on.

oidc-token-hash validates (and generates) ID Token `_hash` claims such as `at_hash` or `c_hash`

Lightning fast hash functions for browsers and Node.js using hand-tuned WebAssembly binaries (MD4, MD5, SHA-1, SHA-2, SHA-3, Keccak, BLAKE2, BLAKE3, PBKDF2, Argon2, bcrypt, scrypt, Adler-32, CRC32, CRC32C, RIPEMD-160, HMAC, xxHash, SM3, Whirlpool)

Lightning fast normal and incremental md5 for javascript

Node.js object hash library with properties/arrays sorting to provide constant hashes

Browser Compatible Object Hashing

TypeScript definitions for object-hash

Hash utility functions for Ethereum.

Pure Javascript implementation of the BLAKE2b and BLAKE2s hash functions

Content-addressed LCP evidence bundles, and a hardened resolver for the artifacts they reference.