privateGPT MCP Server
by Fujitsu-AI
- security
import fs from 'fs';
import crypto from 'crypto';
import readline from 'readline';
// Function to read the public key
function loadPublicKey(path) {
if (!path) {
throw new Error(
`No public key path provided. Please specify the path to the RSA-public key as an argument.
Example usage: node security/generate_encrypted_password.js ~/.ssh/id_rsa_public.pem`
);
}
try {
return fs.readFileSync(path, 'utf8');
} catch (err) {
throw new Error(`Error reading public key at "${path}": ${err.message}`);
}
}
// Function for encryption
function encryptWithPublicKey(data, publicKey) {
return crypto.publicEncrypt(
{
key: publicKey,
padding: crypto.constants.RSA_PKCS1_PADDING, // Explicitly set padding
},
Buffer.from(data)
).toString('base64');
}
// Prompt for password
function askPassword(question) {
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
});
return new Promise((resolve) => {
rl.question(question, (answer) => {
rl.close();
resolve(answer);
});
});
}
// Main function
async function main() {
const publicKeyPath = process.argv[2]; // Get the public key path from command-line arguments
try {
const publicKey = loadPublicKey(publicKeyPath); // Load the public key
const password = await askPassword('Please enter your password: '); // Prompt for the password
const encryptedPassword = encryptWithPublicKey(password, publicKey); // Encrypt the password
console.log('Encrypted Password:', encryptedPassword);
} catch (err) {
console.error('Error:', err.message);
}
}
main();