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Yet another Crypto-PAn implementation for Python

Project description

# Yet another Crypto-PAn implementation for Python

## Overview

This package provides a function to anonymize IP addresses keeping their prefix consistency. This program is based on the paper “Prefix-Preserving IP Address Anonymization: Measurement-based Security Evaluation and a New Cryptography-based Scheme” written by Jun Xu, Jinliang Fan, Mostafa H. Ammar, and Sue B. Moon. The detailed explanation can be found in [Xu2002].

This package supports both IPv4 and IPv6 anonymization.

## Usage

>>> from yacryptopan import CryptoPAn
>>> cp = CryptoPAn('32-char-str-for-AES-key-and-pad.')
>>> cp.anonymize('192.0.2.1')
'192.0.125.244'
>>> cp.anonymize_bin(0xc0000201, version=4)
3221257716L
>>> cp.anonymize('2001:db8::1')
'27fe:8bc7:fee:1e:1e1f:f0fe:f0e1:83fd'
>>> cp.anonymize_bin(0x20010db8000000000000000000000001, version=6)
53161570263948813229648829710638089213L

## Code

The source code is available at https://github.com/keiichishima/yacryptopan

## Bug Reports

Please submit bug reports or patches through the GitHub interface.

## References

[Xu2002] Jun Xu, Jinliang Fan, Mostafa H. Ammar, and Sue B. Moon, “Prefix-Preserving IP Address Anonymization: Measurement-based Security Evaluation and a New Cryptography-based Scheme”, in Proceedings of the IEEE International Conference on Network Protocols, Paris, 2002.

## Contributors

## Author

Keiichi SHIMA / IIJ Innovation Institute Inc. / WIDE project

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