JSPM

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

Composable utility functions to generate key pairs for the sr25519, ed25519, and ecdsa cryptographic schemes, along with utilities for hierarchical deterministic (HD) key derivation, tailored for use in the Polkadot and Substrate ecosystems.

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

This module provides native bindings to ecdsa secp256k1 functions

JWA implementation (supports all JWS algorithms)

Translate ECDSA signatures between ASN.1/DER and JOSE-style concatenation

Audited & minimal JS implementation of elliptic curve cryptography

WebAssembly port of Ed25519 signatures and X25519 key exchange

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

All the cryptographic primitives used in Ethereum.

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

Fastest 5KB JS implementation of secp256k1 ECDH & ECDSA signatures compliant with RFC6979

JavaScript Elliptic curve cryptography library

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

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

Universal Module for Elliptic Curve Cryptography (ECDSA and ECDH) in JavaScript

A very basic crypto library

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

Library to retrieve public keys from a JWKS endpoint

This module provides js implementation to ecdsa secp256k1 functions

SDK to facilitate Node integrations with Stark Bank

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

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

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

A signatures library based on Node.js crypto module.

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.

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

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

A JWKS client library

zkp-ecdsa: A Typescript Implementation of ZKAttest

This module provides native bindings to ecdsa secp256k1 functions

Hierarchical deterministic (HD) account derivation library compatible with the Polkadot and Substrate ecosystems, supporting the sr25519, ed25519, and ecdsa signature schemes.

🔐 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+

Webpack v4 compatible version of panva/jose v3.x

SDK to facilitate Node integrations with Stark Infra

Very small Ethereum signer and verifier

ecdh ecdsa prime256v1 secp256r1 secp256k1

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

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

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

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

Bitcoin core utilities for UniSat wallet ecosystem

wrapper of Zenroom, a secure and small virtual machine for crypto language processing

class for working with webcrypto in browser and node

[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.

Enforced Webcrypto wrapper

This module provides native bindings to ecdsa secp256r1 functions

Library for creating elliptic curve keypairs and deriving child keys

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

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

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

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

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

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

SDK to facilitate Node integrations with Stark Sign

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

A Ubirch Protocol Verifier for ECDSA keys

Native node.js module for ECDH and ECDSA

Elliptic Curve Diffie-Hellman with ephemeral-static keys implementation for NodeJS

Signatures tooling.

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

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

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。

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

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

Library to retrieve RSA public keys from a JWKS endpoint

WebAssembly port of X25519

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

`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

WebAssembly port of Ed25519

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

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

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

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

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

All the cryptographic primitives used in Ethereum

ecdsa for the browser using the webcrypto api

Tiny SECP256k1 and ECDSA implementation

only one no dependencied ecdsa secp256k1 by native js.

Library for creating elliptic curve keypairs and deriving child keys

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

Desig: The Blockchain-Agnostic Multisig Solution.

easy and light weight ecdsa implementation

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.

A simple cryptography plugin for NGN.

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

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

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.

All the cryptographic primitives used in Ethereum

Better JavaScript Elliptic curve cryptography library

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

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

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

jose - node c binding

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

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

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

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

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

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

Beraji: Distributed Secret Sharing.

Cryptographic schema integrity verification for AI tools

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

Multi-Party Computation Threshold Signature Scheme Implementation in Javascript

Library for creating elliptic curve keypairs and deriving child keys

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

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

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

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

basic elliptic curve math in javascript

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

Repo for Node implementation of Planet Nine Cryptography

JavaScript Encrypted Communications

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

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

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

Starbase Cryptography

ecdsa jquery plugin for the browser using the webcrypto api

A set of custom crypto protocols

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

JavaScript Elliptic curve cryptography library

SDK to facilitate Node integrations with Stark Bank

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

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

Utility for signing files using SSH keys

Utilities for expermenting with cryptography

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

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

Performant ethereum crypto library

Bubble Protocol crypto classes and functions

JavaScript Elliptic curve cryptography library

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

This module provides js implementation to ecdsa secp256k1 functions

Elliptic Curve utilities for the Brave Collective Core Services nodejs bindings

WebAssembly port of ed25519-dalek

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

ECDSA cryptographic signature library for JavaScript

Data encrypting and signing library with small sized data outputs.

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

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

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

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

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

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

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

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

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

Universal '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

## Usage Example

an easy-to-use signing and verifying library

JavaScript Elliptic curve cryptography library

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

JavaScript Elliptic curve cryptography library

Web Crypto helpers for ECDSA signatures

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

JavaScript Elliptic curve cryptography library

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

ECDSA P384 implementation for circom

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

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

SDK to facilitate Node integrations with Stark Bank

JavaScript Elliptic curve cryptography library

JavaScript Elliptic curve cryptography library

This module provides a pure js implementation of secp256k1-node

Dead simple crypto module for Fognet

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)

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

Wasm Rust crate for verifying Secp256k1 signatures

Cryptonite Javascript library with functionality useful for web wallet apps

BeraSig: Distributed Secret Sharing.

A secure channel toolkit in NodeJS

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

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

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

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).