Cypher is a secure, open-source password manager that prioritizes your privacy by performing all encryption and decryption operations directly on your device. Your sensitive data never leaves your computer in an unencrypted form.
- 256-bit AES Encryption: Military-grade encryption for all stored credentials
- PBKDF2 Key Derivation: Protects against brute-force attacks by making password hashing computationally intensive
- SHA-256 Hashing: Ensures data integrity and secure password verification
- Zero-Knowledge Architecture: Your data is encrypted before it reaches our servers
- Client-Side Operations: All encryption/decryption happens locally on your device
- No Plaintext Storage: Sensitive data is never stored in readable form
- Master Password: Users create a strong master password that never leaves their device
- Key Derivation: PBKDF2 generates an encryption key from the master password
- Local Encryption: Passwords and sensitive data are encrypted using AES-256
- Secure Storage: Only encrypted data is synchronized with our servers
- Local Decryption: Data is decrypted on-demand using your master password
- Cross-Platform Support: Available for Windows, macOS, and Linux
- Browser Extensions: Seamless integration with major browsers
- Secure Password Generator: Create strong, unique passwords
- Two-Factor Authentication: Additional security layer for vault access
We welcome contributions! Please read our Contributing Guidelines before submitting pull requests.
- We never store unencrypted user data
- We cannot access your passwords or master password
- We cannot reset your master password
Cypher is released under the MIT License. See the LICENSE file for details.