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

84Health
Library PyPI

cryptography

The standard cryptographic library for Python, pairing safe high-level recipes with low-level primitives backed by Rust and OpenSSL.

7,786
Other
Used by 54
86Health
Library PyPI

PyJWT

A Python implementation of RFC 7519 for encoding, decoding, and verifying JSON Web Tokens.

5,706
MIT
Used by 44
63Health
Library npm

forge

A native, pure-JavaScript implementation of TLS and PKI cryptography for building crypto-based Node.js and browser apps.

5,334
Other
Used by 17
75Health
Library PyPI

bcrypt (Python)

A Python library for secure password hashing using the bcrypt algorithm with an adjustable work factor

1,501
Apache 2.0
Used by 16
46Health
Library PyPI

itsdangerous

A small Python toolkit for cryptographically signing data so you can trust it hasn't been tampered with when it comes back from an untrusted client.

3,135
BSD 3
Used by 15
67Health
Library PyPI

argon2-cffi

Secure, high-level password hashing for Python using Argon2

731
MIT
Used by 8
72Health
Tool npm

@vitejs/plugin-basic-ssl

A Vite plugin that generates a self-signed certificate so your dev and preview servers can run over HTTPS with zero setup.

520
MIT
Used by 8
83Health
Library Cargo

rcgen

A pure-Rust library for generating X.509 certificates, CSRs, and CRLs, including self-signed certs in a few lines of code.

509
Other
Used by 7
92Health
Library Go

Lego

A Go ACME client and library for Let's Encrypt, with built-in support for 200+ DNS providers, usable as a CLI or embedded directly in your own code.

9,890
MIT
Used by 6
72Health
Library npm

jsrsasign

Pure JavaScript cryptography library for RSA/ECDSA/DSA signing, X.509 certificates, ASN.1, JWS/JWT, and CMS.

3,369
MIT
Used by 6
69Health
Library PyPI

pyOpenSSL

A Python wrapper around the OpenSSL library for TLS connections and certificate handling

944
Apache 2.0
Used by 6
53Health
Library PyPI

PyOTP

Python library for generating and verifying TOTP/HOTP one-time passwords for 2FA

3,339
MIT
Used by 5
69Health
Library Cargo

x509-parser

A pure-Rust, zero-copy X.509 certificate parser (RFC 5280) built on the nom parser-combinator framework, with optional signature verification.

277
Other
Used by 5
66Health
Library PyPI

pycryptodome

A self-contained, low-level Python library of cryptographic primitives — ciphers, hashes, MACs, and public-key algorithms — with no OpenSSL dependency.

3,265
Other
Used by 4
53Health
SDK PyPI

hvac

Python client library for HashiCorp Vault's secrets, authentication, and system-backend REST APIs.

1,318
Apache 2.0
Used by 4
61Health
Library PyPI

service-identity

Verifies that a pyOpenSSL or cryptography TLS certificate is genuinely valid for the hostname, IP, or SRV name you intended to connect to.

106
MIT
Used by 4
95Health
Tool Go

cert-manager

Automates issuing, renewing, and managing TLS certificates for Kubernetes clusters.

14,090
Apache 2.0
Used by 3
36Health
Library PyPI

python-rsa

Pure-Python RSA library for key generation, PKCS#1 encryption, decryption, signing, and verification, with no C extensions required.

490
Apache 2.0
Used by 3
80Health
Library PyPI

xxhash

Fast Python bindings for the xxHash non-cryptographic hashing algorithm

467
Other
Used by 3
69Health
Library PyPI

asn1crypto

A fast, pure Python library for parsing and serializing ASN.1 structures with a pythonic, high-performance API.

362
MIT
Used by 3
64Health
Library Cargo

ssh-key

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

247
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
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

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