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Ashin Sabu Mathew  • Peerlist

Typo-TitanChallenge Alert: Log in now and join room code NYGDDX to participate in the current competition!A rigorous cyber command typing competition platform.Key Features:<ul><li>Specialized Cyber Challenges: Test your proficiency by accurately typing 25 complex cyber command questions.</li><li>Time-Restricted Environment: Complete the entire typing challenge within a strict 15-minute timeframe.</li><li>Competitive Ranking: Receive a final performance rank upon completing the gauntlet based on your speed and accuracy.</li><li>Multiplayer Capabilities: Compete directly with peers by joining specific challenge rooms and battling for the highest rank.</li><li>Zero-Installation: Fully hosted online for immediate access without requiring any local environment setup.</li></ul>Technology Stack:<ul><li>Frontend: TypeScript, React, Next.js</li><li>Styling: TailwindCSS</li><li>Backend: Node.js, </li></ul>Typo-Titan offers an advanced, competitive platform designed to measure and improve your speed and precision when typing technical syntax. Built for developers and cybersecurity enthusiasts, it provides a highly engaging environment to sharpen essential command-line skills under pressure. The application architecture leverages modern web development frameworks to ensure a highly responsive, robust, and seamless user experience. By merging competitive multiplayer elements with specialized technical content, Typo-Titan stands as the premier tool for evaluating cyber typing proficiency.

TypoTitan

A lightweight and developer-friendly npm package designed to detect and prevent session hijacking in modern web applications, including Next.js, serverless, and edge environments.<h3>Core Concept</h3><ul><li>Binds authentication tokens to a unique browser/device fingerprint</li><li>Detects token reuse from different devices instantly</li><li>Flags suspicious activity in real time to prevent unauthorized access</li></ul><h3>Key Features</h3><ul><li>Session hijacking detection using fingerprint validation</li><li>Secure SHA-256–based browser/device fingerprinting</li><li>Redis-backed session storage (Upstash, ioredis, node-redis supported)</li><li>JWT-based authentication with replay attack protection</li><li>Built-in email alert system for suspicious login detection</li><li>Lightweight, dependency-free core</li></ul><h3>Available Functions</h3>1. generateFingerprint()<ul><li>Generates a unique device fingerprint</li><li>Uses browser signals like OS, hardware, canvas, etc.</li><li>Returns:<ul><li>id (SHA-256 hash)</li><li>raw components</li><li>algorithm version</li><li>timestamp</li></ul></li><li>Used on the client side</li></ul>2. addSession(authTokenHash, fingerprint, redis)<ul><li>Stores a mapping of token → fingerprint in Redis</li><li>Called during user login</li><li>Ensures session is bound to a specific device</li></ul>3. verifySession(authTokenHash, fingerprint, redis)<ul><li>Validates if the current fingerprint matches the stored one</li><li>Detects session hijacking attempts</li><li>Returns:<ul><li>valid → session is safe</li><li>hijacked → possible attack detected</li><li>receivedFingerprint → stored value (for debugging)</li></ul></li><li>Used on every protected request</li></ul>4. generateAuthToken(jwtSecret, options)<ul><li>Generates a secure JWT authentication token</li><li>Includes a unique nonce to prevent replay attacks</li><li>Configurable:<ul><li>payload (user data)</li><li>expiration time</li><li>algorithm (default: HS256)</li></ul></li></ul>5. email(service, senderEmail, senderAppPassword, receiverEmail)<ul><li>Sends a security alert email</li><li>Notifies users of potential session compromise</li><li>Supports providers like Gmail, Outlook, Yahoo etc.</li></ul>

anti-session-hijack

CollabAI offers a real-time collaborative chat platform enhanced with AI assistance. This innovative tool leverages the power of React to deliver seamless communication and collaboration experiences. Users can engage in dynamic conversations while the AI provides intelligent suggestions and insights, enhancing productivity and decision-making. Real-time chat capabilitiesAI-driven assistance for smarter interactionsBuilt with modern web technologies Whether you're working on a team project or need AI support in your discussions, CollabAI is designed to facilitate effective communication and collaboration.

CollabAI

Portfolio – Showcasing My Work &amp; JourneyWelcome to my portfolio, a curated space where I showcase my projects, skills, and achievements. Built using Next.js and Tailwind CSS, this single-page, scrollable design provides a clean, responsive, and modern experience — perfect for both desktop and mobile viewing. My portfolio is more than just a list of projects — it’s a reflection of my growth, creativity, and problem-solving approach. You’ll find detailed case studies of my work, including hackathon wins, collaborative projects, and experiments in web development, cybersecurity, and AI.

Ashin Sabu Mathew

ASHIN CIPHER is a powerful tool designed to encrypt and decrypt messages with confidence. It utilizes a unique Cipher Key for both encryption and decryption operations, ensuring that your communications remain secure. The product is powered by the ASHIN CIPHER API, which guarantees a secure, fast, and reliable performance. Key features include the ability to input plaintext and receive encrypted messages, making it an essential tool for anyone needing secure communication. Whether you're a developer integrating encryption into your application or an individual seeking to protect your messages, ASHIN CIPHER offers a robust solution. Its API-driven approach allows for seamless integration and scalability, catering to a wide range of security needs.