I am pleased to announce PyGOST 2.1 release availability!

PyGOST is free software pure Python GOST cryptographic functions library.
GOST is GOvernment STandard of Russian Federation (and Soviet Union).

* GOST 28147-89 block cipher with ECB, CNT (CTR), CFB, MAC,
  CBC modes of operation
* various 28147-89-related S-boxes included
* GOST R 34.11-94 hash function
* GOST R 34.11-2012 Стрибог (Stribog) hash function
* GOST R 34.10-2001, GOST R 34.10-2012 public key signature function
* various 34.10 curve parameters included
* VKO 34.10-2001 Diffie-Hellman function
* 28147-89 and CryptoPro key wrapping
* 28147-89 CryptoPro key meshing for CFB mode
* RFC 4491 (using GOST algorithms with X.509) compatibility helpers
* GOST R 34.12-2015 128-bit block cipher Кузнечик (Kuznechik)
* PEP247-compatible hash/MAC functions

Source code and its signature for that version can be found here:

    http://www.cypherpunks.ru/pygost/pygost-2.1.tar.xz (36 KiB)
    http://www.cypherpunks.ru/pygost/pygost-2.1.tar.xz.sig

Stribog-256 hash: 42102bf6251d97f71f5b037943aa04d2de044a83f293d89b9c902822e2a99d60
SHA256 hash: B034E3D0 9173F63B 7684D8DE 1BF704E6 41CCAABB F6060675 004C0747 184A395D
GPG key ID: 0xE6FD1269CD0C009E PyGOST releases <pygost at cypherpunks dot ru>
Fingerprint: F55A 7619 3A0C 323A A031  0E6B E6FD 1269 CD0C 009E

Please send questions regarding the use of PyGOST, bug reports and patches
to mailing list: https://lists.cypherpunks.ru/mailman/listinfo/gost

OpenPGP public key used to sign this release is shown below:

-----BEGIN PGP PUBLIC KEY BLOCK-----

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i6LPAvHs1/pD9xYWgSyGueu5OrcUu1bk7Ii16BePkGdoVqIo53OrteNH8fabJ5Ga
Rqvn2SxyTZ/HrgSfWqXOPmP62oiUKD6ztQPv1qP5GoSqPT3zXRF+c7yoJzAi09/D
trKpOH+eZqj/5M1v853i/TIQE975+AH9HNuIK3XYt67VQiDqU3CFeWC6wFUt/FOD
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CAwHCwMEAQIHFQoJCAsDAgUWAgEDAAIeAQIXgAAKCRDm/RJpzQwAnkiQB/wLD29x
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xukpfqopwuT0QPKXZjPEBUNRAXGtPMo83OQyanMLm/BkSJXFBO2mVjaalEohc7Iq
jMcy/DjqMIpsOdVfiF4EEBEIAAYFAlfXoRkACgkQrhqBCeSYV+9zEgD/Weliq0bC
bQbT+AV0oPSsh4cl7/7yBWXuERUm0uIsDRsA/RSss+81tbyKTt8oObmDqi3gt8ka
6j2AvJWj4I8J/fT9
=pQ8y
-----END PGP PUBLIC KEY BLOCK-----

-- 
Happy hacking