@hazae41/x509

npm i @hazae41/x509

Node Package

Features

Current features

• 100% TypeScript and ESM
• Zero-copy reading and writing
• No external dependency
• No cryptography
• Rust-like patterns
• Zero-copy PEM <=> DER <=> ASN1 <=> X509 reading and writing
• X.509 certificates (v3)
• X.501 encoding and decoding

Upcoming features

• X.509 extensions (v3)

Usage

Reading DER

import { Certificate, X509 } from "@hazae41/x509";

const bytes = await readFile("./cert.der")
const cert = X509.tryReadFromBytes(bytes, Certificate).unwrap()

Reading PEM

import { PEM, Certificate, X509 } from "@hazae41/x509";

const bytes = PEM.tryParse(await readFile("./cert.pem", "utf8")).unwrap()
const cert = X509.tryReadFromBytes(bytes, Certificate).unwrap()