Creatin session.sig using sessionID in oidc provider

const crypto = require('crypto');

// Function to generate a signature for a given data and secret key

function generateSignature(data, secretKey) {

const hmac = crypto.createHmac('sha256', secretKey);

hmac.update(data);

return hmac.digest();

}

// Example session ID

const sessionId = "example_session_id";

// Example secret key (should be securely stored in your application)

const secretKey = Buffer.from("example_secret_key", 'utf-8');

// Data to sign (in this case, just the session ID)

const data = Buffer.from(sessionId, 'utf-8');

// Generate signatures for session and legacy session

const sessionSignature = generateSignature(data, secretKey);

const legacySessionSignature = generateSignature(data, secretKey);

// Encode signatures as base64 strings for use in cookies

const sessionSignatureBase64 = sessionSignature.toString('base64').replace(/=/g, '');

const legacySessionSignatureBase64 = legacySessionSignature.toString('base64').replace(/=/g, '');

// Print the encoded signatures

console.log("Session Signature:", sessionSignatureBase64);

console.log("Legacy Session Signature:", legacySessionSignatureBase64);