JSPM

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

Library to retrieve public keys from a JWKS endpoint

JWA implementation (supports all JWS algorithms)

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

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

All the cryptographic primitives used in Ethereum.

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

A Ubirch Protocol Verifier for ECDSA keys

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

Library for creating elliptic curve keypairs and deriving child keys

This module provides native bindings to ecdsa secp256k1 functions

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

Audited & minimal JS implementation of elliptic curve cryptography

JavaScript Elliptic curve cryptography library

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

Library to retrieve RSA public keys from a JWKS endpoint

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

A very basic crypto library

SDK to facilitate Node integrations with Stark Bank

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

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

`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

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.

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

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

Library for creating elliptic curve keypairs and deriving child keys

A JWKS client library

zkp-ecdsa: A Typescript Implementation of ZKAttest

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

A signatures library based on Node.js crypto module.

ecdh ecdsa prime256v1 secp256r1 secp256k1

This module provides js implementation to ecdsa secp256k1 functions

SDK to facilitate Node integrations with Stark Infra

Enforced Webcrypto wrapper

Very small Ethereum signer and verifier

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

This module provides native bindings to ecdsa secp256k1 functions

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

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

Library for creating elliptic curve keypairs and deriving child keys

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

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).

🔐 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+

This module provides native bindings to ecdsa secp256r1 functions

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

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

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

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

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

Native node.js module for ECDH and ECDSA

Signatures tooling.

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。

Utility for signing files using SSH keys

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.

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

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

class for working with webcrypto in browser and node

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

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

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

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

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

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

Tiny SECP256k1 and ECDSA implementation

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

A simple cryptography plugin for NGN.

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

All the cryptographic primitives used in Ethereum

WebAssembly port of X25519

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

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

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

easy and light weight ecdsa implementation

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 📡〰.

Better JavaScript Elliptic curve cryptography library

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

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

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

[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.

only one no dependencied ecdsa secp256k1 by native js.

jose - node c binding

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

Desig: The Blockchain-Agnostic Multisig Solution.

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

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

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

basic elliptic curve math in javascript

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

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

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

JavaScript Encrypted Communications

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

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

Starbase Cryptography

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

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

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 2.40 interface

ecdsa jquery plugin for the browser using the webcrypto api

A set of custom crypto protocols

Elliptic Curve utilities for the Brave Collective Core Services nodejs bindings

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

Multi-Party Computation Threshold Signature Scheme Implementation in Javascript

Beraji: Distributed Secret Sharing.

Cryptographic schema integrity verification for AI tools

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

Utilities for expermenting with cryptography

JavaScript Elliptic curve cryptography library

JavaScript Elliptic curve cryptography library

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

Performant ethereum crypto library

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

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

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

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

WebAssembly port of ed25519-dalek

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

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

Bubble Protocol crypto classes and functions

Data encrypting and signing library with small sized data outputs.

'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.

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

This module provides js implementation to ecdsa secp256k1 functions

ECDSA cryptographic signature library for JavaScript

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

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

'JSON Web Almost Everything' - 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

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

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

an easy-to-use signing and verifying library

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

JavaScript Elliptic curve cryptography library

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

## Usage Example

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

'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

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

SDK to facilitate Node integrations with Stark Bank

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

JavaScript Elliptic curve cryptography library

JavaScript Elliptic curve cryptography library

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

This module provides a pure js implementation of secp256k1-node

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

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

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

Dead simple crypto module for Fognet

ECDSA P384 implementation for circom

Wasm Rust crate for verifying Secp256k1 signatures

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

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).