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  1. 8ed5071 Choose blinding factor relatively prime to N by Sybren A. Stüvel · 6 weeks ago master
  2. 1659432 Updated Code Climate badge in README.md by Sybren A. Stüvel · 10 months ago
  3. 96e13dd Configured CodeClimate by Sybren A. Stüvel · 10 months ago
  4. a5d1d26 Configured flask8 to use max_complexity=10 by Sybren A. Stüvel · 10 months ago
  5. d2e7869 Link changelog from README.md by Sybren A. Stüvel · 10 months 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.