Packages

Cryptography & Hashing Packages

Cryptographic primitives, hashing, and encryption libraries for securing data at rest and in transit across your application stack.

259 packages

Packages in Cryptography & Hashing

64Health
Library Cargo

ssh-key

A pure Rust implementation of SSH key, certificate, and signature file formats.

247
Other
Used by 3
66Health
Library Cargo

rustls-native-certs

Load the operating system's native root certificate store for use with rustls

241
Other
Used by 3
38Health
Library Cargo

crc-rs

A no_std Rust library for computing CRC checksums of every common width with standard and custom algorithms.

234
Apache 2.0
Used by 3
66Health
Library npm

@scure/base

Audited, zero-dependency base16/32/58/64 and bech32/bech32m encoding for TypeScript

179
MIT
Used by 3
40Health
Library npm

ts-md5

A TypeScript MD5 implementation with incremental, file, and web-worker hashing

172
MIT
Used by 3
73Health
Library npm

node-saml

A framework-agnostic SAML 2.0 authentication library for Node.js, handling AuthnRequest/Response generation, XML signature validation, and single logout.

135
MIT
Used by 3
38Health
Library npm

sha1

A tiny, dependency-light JavaScript function for computing SHA-1 hashes

107
BSD 3
Used by 3
28Health
Library Cargo

murmur3

A Rust implementation of the fast, non-cryptographic MurmurHash3 algorithm.

78
Apache 2.0
Used by 3
39Health
Library Cargo

minisign-verify

Zero-dependency Rust crate for verifying Minisign Ed25519 signatures

43
MIT
Used by 3
52Health
Library PyPI

argon2-cffi-bindings

Low-level CFFI bindings that compile the official Argon2 C library for direct use from Python.

20
MIT
Used by 3
30Health
SDK npm

sns-payload-validator

Verifies AWS SNS message signatures for HTTP/S and Lambda payloads.

13
MIT
Used by 3
25Health
Library PyPI

pyasn1-modules

A collection of pre-built ASN.1 data structures for X.509, CMS, PKCS, and other IETF protocols in Python

9
Other
Used by 3
91Health
Tool PyPI

Certbot

EFF's command-line tool to obtain and auto-renew free Let's Encrypt TLS certificates

33,251
Apache 2.0
Used by 2
75Health
Library Composer

Firebase php-jwt

A simple PHP library to encode and decode JSON Web Tokens conforming to the JWT spec.

9,808
BSD 3
Used by 2
89Health
Library Composer

lcobucci/jwt

A simple, RFC 7519-compliant PHP library for creating, signing, and validating JSON Web Tokens

7,478
BSD 3
Used by 2
46Health
Library Composer

Laravel Hashids

A Laravel service provider and facade bridge for the Hashids library, encoding integers into short reversible hash strings.

2,055
MIT
Used by 2
66Health
Library Composer

OTPHP

A PHP library for generating TOTP and HOTP one-time passwords per RFC 4226 and RFC 6238

1,492
MIT
Used by 2
83Health
Library npm

PKIjs

A pure TypeScript library implementing the core formats and protocols of public-key infrastructure, built entirely on the WebCrypto API with no native bindings or plug-ins.

1,399
BSD 3
Used by 2
64Health
Library PyPI

PyNaCl

Python bindings to libsodium for authenticated encryption, digital signatures, hashing, and password-based key derivation

1,206
Apache 2.0
Used by 2
41Health
Library Go

murmur3

Native Go implementation of Austin Appleby's MurmurHash3, exposing seedable 32-, 64-, and 128-bit hashers through Go's standard hash.Hash interface.

1,017
BSD 3
Used by 2
50Health
Library Go

gokrb5

A pure Go implementation of Kerberos 5 authentication, SPNEGO negotiation, and Active Directory PAC decoding — no cgo, no native krb5 dependency.

780
Apache 2.0
Used by 2
47Health
Library npm

jws

Complete JSON Web Signature (JWS) implementation for Node.js with sync and streaming APIs

719
MIT
Used by 2
41Health
Library npm

node-jose

A JavaScript implementation of JOSE (JWS, JWE, JWK, JWA) for Node.js and browsers

719
Apache 2.0
Used by 2
40Health
Library Go

argon2id

A minimal, secure Argon2id password hashing wrapper for Go with built-in salt generation and constant-time verification.

700
MIT
Used by 2

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers