Generate public and private RSA Keys

generateRSAKeyPair.js

// run this script in a nodejs environment

let {privateKey, publicKey} = crypto.generateKeyPairSync("rsa", {modulusLength: 512})
publickKey = publicKey.export({type: "pkcs1", format: "pem"})
privateKey = privateKey.export({type: "pkcs1", format: "pem"})

// publicKey value
// '-----BEGIN RSA PUBLIC KEY-----\n' +
//   'MEgCQQC5GmUc8KaG8LuRYu0KmuAuMkqX8hEhjEXeWaXZpg6rz8CTLsKK1JaTnrqk\n' +
//   'G9jVrJExmZ+jqXk7Ll5awzDRbV/HAgMBAAE=\n' +
//   '-----END RSA PUBLIC KEY-----\n'

// privateKey value
//'-----BEGIN RSA PRIVATE KEY-----\n' +
//   'MIIBOgIBAAJBALkaZRzwpobwu5Fi7Qqa4C4ySpfyESGMRd5ZpdmmDqvPwJMuworU\n' +
//   'lpOeuqQb2NWskTGZn6OpeTsuXlrDMNFtX8cCAwEAAQJBALh4bqZtyngWt8dHgJae\n' +
//   'DKbdZeuRybLWWdcjHp8O1/YuboVqC9RbOw6Wu1eC8UM0+4JN8DlRLgaR8PndLmIr\n' +
//   'FAECIQDbbeSoZAQ6Dr2DWatYe9goe02ZKa9OFnFCh8OjI94uAQIhANfz846ExycV\n' +
//   'g2qm78p1PAlD3eYEcmKFOjE82Jl/gZ3HAiAPfs8q5QU3ZFsVr3teIEC/exWbv0nV\n' +
//   '5dfRruyt1JaYAQIgEMxvQ8TcYRPxVxiJSqx38RiQaFYsN7G5Zx8ekkIy6P0CIHp3\n' +
//   'Nf9jf9AizYNYQhYscW1Imm96zZZTxjL/T5u7YMFQ\n' +
//   '-----END RSA PRIVATE KEY-----\n'