JSPM

All the cryptographic primitives used in Ethereum

A modern, type-safe library for handling cryptographic operations across different curves (secp256k1, ed25519) and schemes (ECDSA, Schnorr, EdDSA).

AES encryption with ECDSA (secp256k1) cryptographic backend

Tiny SECP256k1 and ECDSA implementation

TypeScript implementation of the Elliptic Curve Digital Signature Algorithm (ECDSA)

Secure CLI tool for generating Norsh-compliant elliptic curve key pairs (private and public keys) with PEM, JSON, audit log, and password encryption. 100% local, modern cryptography, no keys ever leave your device.

Starbase Cryptography

Platform-agnostic cryptographic utility toolkit for ephemeral identity, secure messaging, and portable key management — built on WebCrypto + noble-curves.

Pure JavaScript ES modules version of @noble/curves - Audited & minimal JS implementation of elliptic curve cryptography

🔐 Modern TypeScript ACME client & CLI for Let's Encrypt certificates. Supports DNS-01/HTTP-01 validation, wildcard domains, EAB (ZeroSSL/Google), nonce pooling. RFC 8555 compliant. Node.js 20+

Generate JWT tokens with symmetric (HMAC) and asymmetric (RSA/ECDSA) algorithms for Insomnia

SDK sécurisé pour intégrer les paiements Mobile Money avec intelligence artificielle, génération automatique de secrets HMAC, et mode ECDSA recommandé

This SDK provides functionalities for AES and RSA encryption schemes, ECDSA signature scheme and some functionalities used for working with sodalabs blockchain.

nyren-ts256k1 is a TypeScript library for working with the secp256k1 elliptic curve. It includes functionality for key generation, encryption, and decryption using secp256k1 and the xchacha20poly1305 algorithm

Fastest 4KB JS implementation of secp256k1 ECDH & ECDSA signatures compliant with RFC6979

Library for encoding ECDSA private keys to PEM, DER and raw hex formats

The secp256r1 (p-256) elliptic curve for ECDH & ECDSA

A Web-Worker package for generating spartan ECDSA proves in the browser using wasm.

Humble fork of the @noble/secp256k1 library by Paul Miller.

JavaScript Encrypted Communications

basic elliptic curve math in javascript

Easy and Simple ECDSA Signer/Verifier for who has a headache 🙀

All the cryptographic primitives used in Ethereum

An AX.25 packet radio chat protocol with support for digital signatures and binary compression. Like IRC over radio waves 📡〰.

Elliptic Curve arithmetic for up to 256-bit curves written in solidity

Wasm Rust crate for verifying Secp256k1 signatures

easy and light weight ecdsa implementation

Streamlines key generation, derivation, and management through its simple and intuitive API

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

Library to retrieve RSA public keys from a JWKS endpoint

'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

CLI Creation tool for TriFrost, the blazingly fast, runtime-agnostic server framework for modern edge and node environments

JavaScript utilities for processing passport data and generating Zero-Knowledge circuits with Noir. Supports RSA and ECDSA signature verification, ASN.1 parsing, and Poseidon hashing.

Drop-in replacement for Common Ground plugin host library with cryptographic signing and verification

A lightweight JWT library with multiple algorithm support and token revocation

fast openSSL-compatible implementation of the Elliptic Curve Digital Signature Algorithm (ECDSA)

Keyban Javascript SDK provides core functionalities for the MPC wallet solution, supporting web and Node.js apps with TypeScript, custom storage, and Ethereum blockchain integration.

Fastest JS implementation of ed25519 & ristretto255. Auditable, high-security, 0-dependency pubkey, scalarmult & EDDSA

A pure JavaScript library for parsing and converting PuTTY private key files (.ppk) to OpenSSH format. Supports all PPK versions (v2 and v3) and key types (RSA, DSA, ECDSA, Ed25519). Handles both encrypted and unencrypted keys with full MAC verification.

node.js library for encoding, decoding, and verifying JSON Web Tokens (JWTs)

ecdsa for the browser using the webcrypto api

Bubble Protocol crypto classes and functions

Fastest JS implementation of secp256k1. Independently audited, high-security, 0-dependency ECDSA & Schnorr signatures

React Native wrapper for cryptographic functions, leveraging Trezor Crypto and secp256k1 libraries

only one no dependencied ecdsa secp256k1 by native js.

JavaScript Library for Elliptic Curve Cryptography: key exchanges (Diffie-Hellman, Massey-Omura), ECDSA signatures, and Koblitz encoding. Suitable for crypto education and secure systems.

Data encrypting and signing library with small sized data outputs.

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

JavaScript Elliptic curve cryptography library

WebAssembly port of ed25519-dalek

Utilities for expermenting with cryptography

JavaScript Elliptic curve cryptography library

node.js library for encoding, decoding, and verifying JSON Web Tokens (JWTs)

JavaScript Elliptic curve cryptography library

'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

Performant ethereum crypto library

React Native library for encoding ECDSA private keys to PEM, DER and raw hex formats

react-native library for encoding, decoding, and verifying JSON Web Tokens (JWTs)

JavaScript Elliptic curve cryptography library, includes fix to browser.js so that encrypt/decrypt works

Package used to deterministically generate P256 keypairs, using BIP39.

JavaScript Elliptic curve cryptography library

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

Keyban SDK React simplifies the integration of Keyban's MPC wallet in React apps with TypeScript support, flexible storage, and Ethereum blockchain integration.

Beraji: Distributed Secret Sharing.

Multi-Party Computation Threshold Signature Scheme Implementation in Javascript

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

A set of custom crypto protocols

The official Citadel Wallet SDK for all you JS hommies out there

fast openSSL-compatible implementation of the Elliptic Curve Digital Signature Algorithm (ECDSA)

Elliptic curve cryptography library (NodeJS, Browser and Pure JS)

A simple wrapper for the browser's Web Crypto API. Supports AES-GCM, RSA, and ECDSA (P-256), exposing easy-to-use functions where all keys are safe Base64 strings.

A secure, modular authentication framework for Node.js, featuring Argon2 password hashing, EdDSA-signed JWTs, and flexible session management. Includes WebAuthn passkey support with plans for RSA and multi-database integration (alpha).

Cryptographic schema integrity verification for AI tools

[secp256k1](https://www.secg.org/sec2-v2.pdf), an elliptic curve that could be used for asymmetric encryption, ECDH key agreement protocol and deterministic ECDSA signature scheme from RFC6979.

Utility for signing files using SSH keys

node.js library for encoding, decoding, and verifying JSON Web Tokens (JWTs)

Noble secp256k1. High-security, easily auditable, 0-dep, 1-file pubkey & ECDSA.

Comprehensive JavaScript cryptocurrency wallet library for Bitcoin (BTC), Bitcoin Cash (BCH), and Bitcoin SV (BSV) with custodial and non-custodial wallet support, threshold signatures, and multiple address formats

Elliptic Curve Integrated Encryption Scheme (ECIES) implementation for node.js

an easy-to-use signing and verifying library

BeraSig: Distributed Secret Sharing.

ecdsa jquery plugin for the browser using the webcrypto api

Fastest JS implementation of secp256k1. Independently audited, high-security, 0-dependency ECDSA & Schnorr signatures

Elliptic Curve utilities for the Brave Collective Core Services nodejs bindings

Fastest JS implementation of secp256k1. Independently audited, high-security, 0-dependency ECDSA & Schnorr signatures

`npx create-keys` is a terminal assistant that helps creating RSA or ECDSA asymmetric key pairs (also works in NodeJS). Supported formats: PEM and JWK. Supported encoding: PCKS8 for private keys, PCKS1 for RSA public keys and SPKI for ECDSA public keys. S

Browser SDK for CertNode receipt verification (ESM, WebCrypto)

SDK to facilitate Node integrations with Stark Bank

SDK to facilitate Node integrations with Stark Bank

Fastest JS implementation of secp256k1. Independently audited, high-security, 0-dependency ECDSA & Schnorr signatures

A Node.js implementation of the PKCS#11 2.3 interface

SSH Fingerprint in < 150 lines of VanillaJS, part of the Bluecrypt suite for Browser Crypto.

This module provides native bindings to ecdsa fully compliant ISO requirement functions

A cryptographic engine for secure RSA and ECC operations in Rust and WebAssembly

node.js library for encoding, decoding, and verifying JSON Web Tokens (JWTs)

Minimal Node SDK for CertNode receipt verification

JavaScript Elliptic curve cryptography library, includes fix to browser.js so that encrypt/decrypt works

A small library to retrieve ECDSA signing keys from a JWKS (JSON Web Key Set) endpoint

A Node.js implementation of the PKCS#11 2.40 interface

A Node.js implementation of the PKCS#11 2.3 interface

A crypto wasm package, including x25519, blake3

💯 SSH Fingerprint in < 125 lines of VanillaJS node, Zero Dependencies.

Elliptic curve cryptography library (NodeJS, Browser and Pure JS)

A focused, zero-dependency library to generate a Certificate Signing Request (CSR) and sign it!

'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

JavaScript Elliptic curve cryptography library

Repo for Node implementation of Planet Nine Cryptography

jose - node c binding

Universal 'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK with no dependencies

Universal 'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK with no dependencies

WebContainer compatible JWA implementation (supports all JWS algorithms). Forked from [node-jwa](https://github.com/auth0/node-jwa)

JavaScript Elliptic curve cryptography library

Dead simple crypto module for Fognet

ECDSA cryptographic signature library for JavaScript

JavaScript Elliptic curve cryptography library

ECDSA P384 implementation for circom

TypeScript implementation of ed25519 & ristretto255 allowing BigInt and SHA dependency injection

This module provides a pure js implementation of secp256k1-node

A pure JavaScript implementation of the RFC 7518 ES256 digital signature algorithm

Better JavaScript Elliptic curve cryptography library

Cryptonite Javascript library with functionality useful for web wallet apps

fork of secp256k1 -- using js only version for cross-platform container deploy (not optimal solution)

A library to store and share documents securely with end to end encryption

Library for encoding ECDSA private keys to PEM, DER and raw hex formats

Web Crypto helpers for ECDSA signatures

Elliptic Curve Integrated Encryption Scheme (ECIES) implementation for node.js

Sign and verify Secp256k1 ECDSA signatures in TypeScript. Compatible with Solana wallets and on-chain verification.

fast openSSL-compatible implementation of the Elliptic Curve Digital Signature Algorithm (ECDSA)

A secure channel toolkit in NodeJS

(Browser Runtime) 'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK with no dependencies

JavaScript Elliptic curve cryptography library

This module provides js implementation to ecdsa secp256k1 functions

## Usage Example

'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

Universal 'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK with no dependencies

JavaScript Elliptic curve cryptography library

A cryptographic engine for secure RSA and ECC operations in Rust and WebAssembly