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SQLCipher - Encrypted SQLite Database Library
SQLCipher is an open-source extension to SQLite that provides full database encryption using 256-bit AES. It's designed for applications requiring robust data security at rest, ensuring sensitive information stored locally is protected.
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Added on 2025年5月12日6,599
Stars1,298
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LanguageProject Introduction
Summary
SQLCipher enhances the standard SQLite library by integrating strong encryption capabilities directly into the database engine. It allows developers to secure their application's local data storage with minimal changes to their existing SQLite usage.
Problem Solved
Standard SQLite databases store data in plain text, making the information vulnerable if the device or database file is compromised. SQLCipher addresses this by adding robust, transparent encryption, protecting sensitive data at rest.
Core Features
Full Database Encryption
Provides full database encryption using 256-bit AES, ensuring all data stored in the database file is encrypted.
Secure Key Derivation
Utilizes strong key derivation functions like PBKDF2 to protect against brute-force attacks on encryption keys.
Transparent Operation
Data is encrypted and decrypted transparently as the application interacts with the database, minimizing code changes.
Data Integrity
Includes integrity checks to verify the authenticity and integrity of the encrypted data.
Cross-Platform Compatibility
Built upon the highly portable SQLite library, supporting a wide range of platforms including iOS, Android, Windows, macOS, and Linux.
Tech Stack
C/C++
SQLite
OpenSSL (or other crypto providers)
Various language bindings (e.g., Objective-C, Java, .NET, Python)
Use Cases
SQLCipher is ideal for applications that store sensitive data locally on a device or system where the database file itself could be accessed by unauthorized parties. Common use cases include:
Secure Mobile Data Storage
Details
Storing user credentials, personal information, health records, or financial data securely on mobile devices (smartphones, tablets).
User Value
Enhances user trust and complies with data protection regulations by ensuring sensitive data is unreadable if the device is lost or stolen.
Desktop Application Data Protection
Details
Encrypting local databases used by desktop applications that handle confidential business information, customer data, or proprietary configurations.
User Value
Protects sensitive information stored on user workstations from unauthorized access or theft.
IoT Device Data Encryption
Details
Securing data collected and stored temporarily or permanently on IoT devices deployed in potentially insecure physical environments.
User Value
Adds a critical layer of security to data collected at the edge, preventing data breaches even if the device's storage is compromised.
Compliance Requirements (e.g., HIPAA, GDPR)
Details
Applications that need to meet specific industry compliance requirements (e.g., HIPAA, GDPR) for data-at-rest encryption.
User Value
Helps organizations meet regulatory obligations for protecting sensitive personal or health information stored in local databases.
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