From 7a9de588da10c3ed901f901a531318cde24aa418 Mon Sep 17 00:00:00 2001 From: KOSASIH Date: Wed, 4 Dec 2024 17:06:00 +0700 Subject: [PATCH] Create Quantum_Secure_Messaging.js --- .../Quantum/Quantum_Secure_Messaging.js | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 coin/QuantumCoin/Quantum/Quantum_Secure_Messaging.js diff --git a/coin/QuantumCoin/Quantum/Quantum_Secure_Messaging.js b/coin/QuantumCoin/Quantum/Quantum_Secure_Messaging.js new file mode 100644 index 000000000..dfca7bac9 --- /dev/null +++ b/coin/QuantumCoin/Quantum/Quantum_Secure_Messaging.js @@ -0,0 +1,48 @@ +// Quantum_Secure_Messaging.js + +const crypto = require('crypto'); +const { QuantumKeyDistribution } = require('./QuantumKeyDistribution'); + +class QuantumSecureMessaging { + constructor() { + this.qkd = new QuantumKeyDistribution(); + this.sharedKey = null; + } + + // Generate a quantum key + generateQuantumKey() { + this.sharedKey = this.qkd.generateKey(); + console.log('Quantum key generated:', this.sharedKey); + } + + // Encrypt a message using the shared key + encryptMessage(message) { + if (!this.sharedKey) { + throw new Error('Shared key not generated. Call generateQuantumKey() first.'); + } + const cipher = crypto.createCipheriv('aes-256-cbc', this.sharedKey, this.sharedKey.slice(0, 16)); + let encrypted = cipher.update(message, 'utf8', 'hex'); + encrypted += cipher.final('hex'); + return encrypted; + } + + // Decrypt a message using the shared key + decryptMessage(encryptedMessage) { + if (!this.sharedKey) { + throw new Error('Shared key not generated. Call generateQuantumKey() first.'); + } + const decipher = crypto.createDecipheriv('aes-256-cbc', this.sharedKey, this.sharedKey.slice(0, 16)); + let decrypted = decipher.update(encryptedMessage, 'hex', 'utf8'); + decrypted += decipher.final('utf8'); + return decrypted; + } +} + +// Example usage +const messaging = new QuantumSecureMessaging(); +messaging.generateQuantumKey(); +const message = "Hello, this is a secure message!"; +const encryptedMessage = messaging.encryptMessage(message); +console.log('Encrypted Message:', encryptedMessage); +const decryptedMessage = messaging.decryptMessage(encryptedMessage); +console.log('Decrypted Message:', decryptedMessage);