Der Packages

ASN.1 encoder and decoder

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

ASN.1 encoder and decoder for Node.js with no dependencies (fork of asn1.js using native BigInt)

RFC5280 extension structures for asn1.js

RFC2560 structures for asn1.js

asn1js is a pure JavaScript library implementing this standard. ASN.1 is the basis of all X.509 related data structures and numerous other protocols used on the web

RFC3280 structures for asn1.js

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

Miscellaneous Encoding Utilities for Crypto-related Objects in JavaScript

Universal Module for Cryptographic Key Utilities in JavaScript, including PEM-JWK converters

Convert Buffers to/from PEM strings, and read/write SSH/RSA key files. supports DEK encryption.

Generic ASN.1 parser/decoder that can decode any valid ASN.1 DER or BER structures.

ASN.1 encoder and decoder

React Native ASN.1 encoder and decoder

key conversion tools for key, between der and pem

Get certificate information from a rsa pem/crt/der file

Low-level decoder for X.690 Distinguished Encoding Rules (DER)

Determine article for german words (der/die/das)

Used for signing Apple's .mobileconfig payloads.

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