JSPM

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

JavaScript Elliptic Curve Integrated Encryption Scheme (ECIES) Library - Based off Geth's implementation

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.

🔐 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+

NIST P-256 Elliptic Curve Cryptography for Node and the Browsers

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

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

This module provides native bindings to ecdsa secp256r1 functions

Bitcoin core utilities for UniSat wallet ecosystem

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

All the cryptographic primitives used in Ethereum

Webpack v4 compatible version of panva/jose v3.x

SDK to facilitate Node integrations with Stark Sign

Signatures tooling.

Native node.js module for ECDH and ECDSA

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

Browser, Node, and bundler compatible release of @noble/secp256k1. Independently audited, high-security, 0-dependency ECDSA & Schnorr signatures

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

mima-kit is a cryptographic suite implemented in TypeScript. The goal is to provide an easy-to-use cryptographic library. mima-kit 是一个使用 TypeScript 实现的密码学套件。目标是提供一个简单易用的密码学库。

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.

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

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

class for working with webcrypto in browser and node

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

Utility for signing files using SSH keys

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

WebAssembly port of Ed25519 signatures and X25519 key exchange

A simple cryptography plugin for NGN.

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

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

JavaScript Elliptic curve cryptography library

WebAssembly port of Ed25519

ecdsa for the browser using the webcrypto api

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

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

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

Cross-platform cryptography library for Node.js with post-quantum algorithms - built with RustCrypto

basic elliptic curve math in javascript

All the cryptographic primitives used in Ethereum

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

WebAssembly port of X25519

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

Drop-in replacement for BSV 1.5.6 with security-hardened ECDSA implementation

Tiny SECP256k1 and ECDSA implementation

easy and light weight ecdsa implementation

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

JavaScript Encrypted Communications

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

Better JavaScript Elliptic curve cryptography library

[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.

Bubble Protocol crypto classes and functions

A key system based around accounts that each have hierarchical deterministic (HD) keychains with ECDSA public/private keypairs (the ones Bitcoin uses).

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

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

SDK to facilitate Node integrations with Stark Bank

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

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

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

jose - node c binding

only one no dependencied ecdsa secp256k1 by native js.

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

Desig: The Blockchain-Agnostic Multisig Solution.

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

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

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

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.

Repo for Node implementation of Planet Nine Cryptography

Starbase Cryptography

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

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

ecdsa jquery plugin for the browser using the webcrypto api

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

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

JavaScript Elliptic curve cryptography library

Performant ethereum crypto library

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

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

JavaScript Elliptic curve cryptography library

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

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

Elliptic Curve utilities for the Brave Collective Core Services nodejs bindings

Beraji: Distributed Secret Sharing.

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

Cryptographic schema integrity verification for AI tools

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

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

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

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

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

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

SDK to facilitate Node integrations with Stark Bank

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

Utilities for expermenting with cryptography

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

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

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

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

JavaScript Elliptic curve cryptography library

Wasm Rust crate for verifying Secp256k1 signatures

JavaScript Elliptic curve cryptography library

Multi-Party Computation Threshold Signature Scheme Implementation in Javascript

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

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

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

JavaScript Elliptic curve cryptography library

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

This module provides a pure js implementation of secp256k1-node

ECDSA cryptographic signature library for JavaScript

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

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

an easy-to-use signing and verifying library

This module provides js implementation to ecdsa secp256k1 functions

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

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

A secure channel toolkit in NodeJS

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

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

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

JavaScript Elliptic curve cryptography library

Data encrypting and signing library with small sized data outputs.

JavaScript Elliptic curve cryptography library

Web Crypto helpers for ECDSA signatures

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

WebAssembly port of ed25519-dalek

'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

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

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

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

Security-enhanced fork of BSV 1.5.6 with comprehensive signature validation and private key protection

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

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.

Dead simple crypto module for Fognet

ECDSA P384 implementation for circom

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

BeraSig: Distributed Secret Sharing.

JavaScript Elliptic curve cryptography library

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

## Usage Example

Cryptonite Javascript library with functionality useful for web wallet apps

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

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).

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