Version 0.9.0 Beta: Core Vault Architecture & Offline Foundation

This beta release introduced the foundational architecture behind KeysBook’s offline-first encrypted vault system. The update focused on secure local credential storage, encrypted database flows, onboarding improvements, and the first generation of vault management tools designed for privacy-focused mobile users.

Beta Highlights

• Offline-First Vault Architecture — Established the encrypted local database layer with AES-256-GCM protection for sensitive credential storage.
• Encrypted Credential Storage — Added support for securely storing usernames, passwords, URLs, notes, and related vault metadata locally on-device.
• Master PIN Onboarding — Introduced a streamlined onboarding experience for setting up a master PIN and securing the local vault.
• Local Security Model — Implemented local-first storage flows with no cloud sync or online account dependency.
• Password Generator — Added secure password generation with customizable length and symbol support.
• Vault Management Basics — Users can create, edit, organize, and delete credential entries inside the encrypted vault.

Security Improvements

• AES-256-GCM encryption applied before persistence.
• Secure key derivation and protected local storage flows.
• Sensitive vault data isolated from searchable metadata.
• Initial vault locking and authentication protections implemented.

Known Beta Limitations

• Full-text encrypted search was not yet available.
• Biometric unlock support was still under development.
• Custom categories and advanced organization tools were limited.
• No encrypted backup/export functionality in this release.
• Cloud sync and multi-device sync were intentionally excluded from the beta architecture.