What is CodeBook?

CodeBook is a security-focused password manager designed for Android platform. It employs industry-leading encryption technology to help users securely manage various types of sensitive information.

Why Choose CodeBook?

1. Ultimate Security

• Uses AES-256-GCM advanced encryption standard
• Hardware-level security protection through Android KeyStore system
• All data stored locally, no cloud storage involved
• Supports dual authentication with password and biometrics

2. Comprehensive Data Protection

CodeBook securely stores multiple types of sensitive information:

• Application account passwords
• Bank card information
• ID card information
• SSH keys
• TOTP two-factor authentication tokens

3. User-Friendly Experience

• Quick unlock with fingerprint and other biometrics
• Intelligent auto-fill service
• Intuitive user interface
• Category management

4. You Control Your Data

• Completely offline operation, no network required
• Supports encrypted backup and recovery
• Import data from other password managers
• You are the sole controller of your data

Main Features

Password Management

• Secure storage of application accounts and passwords
• Strong password generation
• Password health check
• Auto-fill functionality

Security Tokens

• TOTP two-factor authentication support
• Compatible with Google Authenticator
• QR code scan import
• Offline code generation

Card Management

• Encrypted storage of bank card information
• Support for multiple cards
• Separate encryption for sensitive fields (e.g., CVV)
• Card categorization

ID Management

• Encrypted protection of ID information
• Secure storage of ID photos
• Expiration reminders
• Support for multiple IDs

SSH Key Management

• Secure encrypted storage of private keys
• Key pair management
• Passphrase protection
• Support for multiple key formats

Technical Features

Encryption Technology

• AES-256-GCM encryption algorithm
• PBKDF2 key derivation
• Hardware-level key protection
• Secure random number generation

Authentication Mechanism

• Master password protection
• Biometric support
• Failed authentication protection
• Session timeout mechanism

Data Isolation

• Application-level data isolation
• Separation of encrypted and plaintext data
• Secure memory data handling
• Secure temporary file cleanup

Getting Started

Start using CodeBook now to protect your digital identity:

1. Download and Install
2. View Quick Start Guide
3. Learn About Security Features

Open Source Commitment

CodeBook is an open source project, which means:

• Code is fully open source, subject to community review
• Security mechanisms are transparent and trustworthy
• Community contributions are welcome
• Continuous improvement and updates

Visit our GitHub repository to learn more.