Pure-Python RSA implementation
Pure Python RSA implementation
Python-RSA is a pure-Python RSA implementation. It supports encryption and decryption, signing and verifying signatures, and key generation according to PKCS#1 version 1.5. It can be used as a Python library as well as on the commandline. The code was mostly written by Sybren A. Stüvel.
Download and install using:
pip install rsa
or download it from the Python Package Index.
Because of how Python internally stores numbers, it is very hard (if not impossible) to make a pure-Python program secure against timing attacks. This library is no exception, so use it with care. See https://securitypitfalls.wordpress.com/2018/08/03/constant-time-compare-in-python/ for more info.
Major changes in 4.1
Version 4.0 was the last version to support Python 2 and 3.4. Version 4.1 is compatible with Python 3.5+ only.
Major changes in 4.0
Version 3.4 was the last version in the 3.x range. Version 4.0 drops the following modules, as they are insecure:
Those modules were marked as deprecated in version 3.4.
Furthermore, in 4.0 the I/O functions is streamlined to always work with bytes on all supported versions of Python.
Version 4.0 drops support for Python 2.6 and 3.3.
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