Attic – deduplicating backup program written in Python

Attic is a deduplicating, encrypted, authenticated and compressed backup program.

The main goal of Attic is to provide an efficient and secure way to backup data. The data deduplication technique used makes Attic suitable for daily backups since only the changes are stored.

It uses a Rolling hash to implement global chunk-level deduplication. Compression defaults to zlib, encryption is AES (via OpenSSL) authenticated by a HMAC.

Features include:

• Easy to use.
• Space efficient storage – variable block size deduplication is used to reduce the number of bytes stored by detecting redundant data.
• Optional data encryption using 256-bit AES encryption. Data integrity and authenticity is verified using HMAC-SHA256.
• Off-site backups with SDSH.
• Backups mountable as filesystems.

Website: github.com/jborg/atticg
Support:
Developer: Jonas Borgström and contributors
License: BSD

Attic is written in Python. Learn Python with our recommended free books and free tutorials.

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