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This is a Python interface to the CryptoSys PKI Pro library.

Requires: Python 2 (2.6 or above) on Windows platforms only. CryptoSys PKI Pro v12.1 or above must be installed. This is available from

http://www.cryptosys.net/pki/.

To use in Python’s REPL

>>> from cryptosyspki import *
>>> Gen.version() # "hello world!" for CryptoSys PKI
120100
>>> Hash.hex_from_data('abc') # compute SHA-1 hash in hex of the string 'abc'
'a9993e364706816aba3e25717850c26c9cd0d89d'
>>> Hash.hex_from_data('abc', Hash.Alg.SHA256)   # same but using SHA-256
'ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad'
>>> h = Hash.data('abc')   # h is a byte array
>>> print Cnv.tohex(h)     # display the byte array in hex
A9993E364706816ABA3E25717850C26C9CD0D89D

If you don’t like import * and find cryptosyspki a bit long to type each time, try

>>> import cryptosyspki as pki
>>> pki.Gen.version()
120100
>>> pki.__version__
'12.1.0'

Examples

Look in the file test\test_pki.py and you should find an example of use for almost every available method (perhaps contrived somewhat so they’ll work in the test environment, but you should get the idea). See also the main Python web page https://www.cryptosys.net/pki/python.html.

Tests

There is a series of tests in test\test_pki.py.

The tests require certain files to exist in the current working directory and create extra files when they run. To manage this, test_pki.py creates a temporary subdirectory. It requires a subdirectory work to exist in the same folder as the test_pki.py file which should contain all the required test files, available separately in the file pkiPythonTestFiles.zip. The test function then creates a temporary subdirectory which is deleted automatically.

test/
  test_pki.py  # this module
  pkiPythonTestFiles.zip  # spare copies
  work/        # this _must_ exist
    <all required test files>
    pki.tmp.XXXXXXXX/    # created by `setup_temp_dir()`
      <copy of all required test files>
      <files created by tests>

Contact

For more information or to make suggestions, please contact us at https://cryptosys.net/contact/

David Ireland
DI Management Services Pty Ltd
Australia
16 December 2018

Revision History

12.1.0 (2018-12-16)

  • Changes to match main core module versions 12.0 and 12.1.

  • Added support for RSA-PSS in RSA signatures, CMS signed-data objects and X.509 certificates.

  • Added support for RSA-OAEP in RSA encryption and CMS enveloped-data objects.

  • Added support for ECDSA in X.509 certificates.

  • Added support for ZLIB compression.

  • Added support for AES-GCM authenticated encryption.

  • Added functions to read certificate strings from P7 chain files and PFX files.

  • Added option for quicker single pass in Wipe.file().

  • Changed parameter in Cms.make_sigdata_*() functions from Cms.HashAlg type to Cms.SigAlg.

11.3.0 (2017-10-31)

  • Changes to match main core module (11.3).

11.2.0 (2017-08-11)

  • Synchronized cryptosyspki.py version number with main core module (11.2).

  • Substantial changes to inline documentation.

  • Renamed Rng.bytes to Rng.bytestring to avoid clashes with Python built-in function.

  • Changed optional parameters in X509.cert_path_is_valid() and X509.get_cert_count_from_p7().

0.1.1 (2016-08-27)

  • Minor changes.

0.1.0 (2016-05-25)

  • First release of cryptosyspki.py v0.1.0.

Release files for cryptosyspki 12.1.0

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

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Source distribution for cryptosyspki 12.1.0
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Release files / cryptosyspki-12.1.0.zip

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