JSPM

ASN.1 encoding and decoding, including BER, CER, and DER.

Lightweight, Zero-Dependency RSA and EC/ECDSA crypto for Node.js and Browsers

Lightweight, Zero-Dependency CSR (Certificate Signing Request) generator and parser for Node.js and Browsers

Converts between RSA key formats, detecting input format (PEM, DER, PKCS1, PKCS8). No OpenSSL needed.

An ASN.1 parser in less than 100 lines of Vanilla JavaScript, part of the Bluecrypt suite.

parse ASN.1 DER structures

Use typescript to manage DER format from node

ASN.1 encoding and decoding

small ASN1-DER and PEM parser in about 100 lines

[ES5 version] Converts between RSA key formats, detecting input format (PEM, DER, PKCS1, PKCS8). No OpenSSL needed.

ASN1 decoder

Interact with Azure via TypeScript and Node

Print the DER template in pdf

An ASN.1 packer in less than 100 lines of Vanilla JavaScript, part of the Bluecrypt suite.

Convert certificates to PEM format using OpenSSL.