Generate self signed certificates private and public keys
opensource free pure JavaScript cryptographic library supports RSA/RSAPSS/ECDSA/DSA signing/validation, ASN.1, PKCS#1/5/8 private/public key, X.509 certificate, CRL, OCSP, CMS SignedData, TimeStamp and CAdES and JSON Web Signature(JWS)/Token(JWT)/Key(JWK)
ASN.1 schema of `Elliptic Curve PrivateKey Structure` (RFC5915)
ASN.1 schema of `Public-Key Cryptography Standards (PKCS) #8: Private-Key Information Syntax Specification Version 1.2` (RFC5208)