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  1. 248aba4 Upgrade python/rsa to version-4.6 by Haibo Huang · 5 weeks ago master
  2. cedefea Retagged 4.4 as 4.6 and added bit of an explanation to by Sybren A. Stüvel · 9 weeks ago
  3. 9a70b00 Update by Sybren A. Stüvel · 9 weeks ago
  4. 8231670 Bumped version to 4.4.1 by Sybren A. Stüvel · 9 weeks ago
  5. e7c0b2a Explicitly declare Python 3.8 as supported by Sybren A. Stüvel · 9 weeks ago

Pure Python RSA implementation

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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.

Documentation can be found at the Python-RSA homepage. For all changes, check the changelog.

Download and install using:

pip install rsa

or download it from the Python Package Index.

The source code is maintained at GitHub and is licensed under the Apache License, version 2.0

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:

  • rsa._version133
  • rsa._version200
  • rsa.bigfile
  • rsa.varblock

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.