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(Node.js) Generate an RSA Key and Get as Base64 DERDemonstrates how to generate a 2048-bit RSA key and return the public and private parts as unencrypted Base64 encoded DER. Note: This example requires Chilkat v11.0.0 or greater.
var os = require('os'); if (os.platform() == 'win32') { var chilkat = require('@chilkat/ck-node23-win64'); } else if (os.platform() == 'linux') { if (os.arch() == 'arm') { var chilkat = require('@chilkat/ck-node23-linux-arm'); } else if (os.arch() == 'arm64') { var chilkat = require('@chilkat/ck-node23-linux-arm64'); } else { var chilkat = require('@chilkat/ck-node23-linux-x64'); } } else if (os.platform() == 'darwin') { var chilkat = require('@chilkat/ck-node23-mac-universal'); } function chilkatExample() { var success = false; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. var rsa = new chilkat.Rsa(); // Generate a 2048-bit key. var privKey = new chilkat.PrivateKey(); success = rsa.GenKey(2048,privKey); if (success == false) { console.log(rsa.LastErrorText); return; } // Get the public part of the key. var pubKey = new chilkat.PublicKey(); privKey.ToPublicKey(pubKey); // There are two possible formats for representing the RSA public key // in ASN.1 (DER). The possible formats are PKCS1 and PKCS8. // We can get either by setting bChoosePkcs1 to true or false. var bChoosePkcs1 = true; var pubKeyBase64Der = pubKey.GetEncoded(bChoosePkcs1,"base64"); console.log("Public Key Base64 DER:"); console.log(pubKeyBase64Der); // Get the private key as Base64 DER: // We can get PKCS1 or PKCS8, but with different methods: var privKeyPkcs1 = privKey.GetPkcs1ENC("base64"); console.log("Private Key PKCS1 Base64 DER:"); console.log(privKeyPkcs1); var privKeyPkcs8 = privKey.GetPkcs8ENC("base64"); console.log("Private Key PKCS8 Base64 DER:"); console.log(privKeyPkcs8); } chilkatExample(); |
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