Distinguished Encoding Rules (DER) ASN.1 serializer for Web Crypto and X.509 certificates

X.509 utilities for JavaScript

Offline-first keypair and X.509 certificate generator using Web Crypto API

SAP Local Client — WebSocket bridge with Basic, SPNEGO, X.509, SAML & SNC authentication

Sphereon SSI-SDK plugin functions for X.509 Certificate handling.

Node command line tool to create a X.509 trust list from various trust stores

Authenticator and guard for Firebase Auth / GCP Identity Platform. Mirror of `@pristine-ts/aws-cognito`: verifies Firebase ID tokens against Google's public X.509 certificate endpoint and gates routes on custom claims.

Passport strategy for authenticating with Azure AD using x.509 Client Certificate

WebCrypto and X.509 bindings for @m-doc/core, for Node, the browser and React Native

Extract X.509 certificates from PDF signatures

Firebase auth library for Cloudflare Workers (forked from firebase-auth-cloudflare-workers and modified to use X.509 certificates)

pki-lite is a lightweight JavaScript/TypeScript library for working with PKI (Public Key Infrastructure) concepts such as X.509 certificates, certificate signing requests (CSR), and PEM/PKCS12 formats. It is designed for use in Node.js and browser environ

Public Key Infrastructure (PKI) is the basis of how identity and key management is performed on the web today. PKIjs is a pure JavaScript library implementing the formats that are used in PKI applications. It is built on WebCrypto and aspires to make it p

Generate, import, convert, certify, and dispose JOSE / X.509 cryptographic keys (EC, OKP, RSA, oct, AKP) from a single TypeScript model.

TypeScript SDK + CLI for integrating zk-X509 on-chain identity verification (prove an X.509 certificate identity with a ZK proof, then gate your dApp on it).

Portable X.509, PKI, JOSE and HTTP signature implementation.

ASN.1 schema for X.509 attribute certificates defined in RFC 5755. (with updated dependencies)

OpenSSL wrapper to validate X.509 certificates

node:crypto (OpenSSL) tabanlı RSA/EC/AES/Hash/HMAC ilkelleri + tam özellikli X.509 PKI motoru (CSR, CRL, OCSP, sertifika zinciri doğrulama, HTTP responder sunucuları, ML-KEM/ML-DSA post-kuantum destek).

Independent public mirror of X.509 trust anchors for national digital signature infrastructures (27 countries across Latin America, North America and the EU/EEA), plus GLEIF vLEI organizational-identity root of trust. Live directory at trust.attestto.org.