GitHub - fastchain/gogost: Pure Go GOST cryptographic functions library (mirror of http://git.cypherpunks.ru/cgit.cgi/gogost.git/)

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Pure Go GOST cryptographic functions library.

GOST is GOvernment STandard of Russian Federation (and Soviet Union).

* GOST 28147-89 (RFC 5830) block cipher with ECB, CNT (CTR), CFB, MAC
  CBC (RFC 4357) modes of operation
* various 28147-89-related S-boxes included
* GOST R 34.11-94 hash function (RFC 5831)
* GOST R 34.11-2012 Стрибог (Streebog) hash function (RFC 6986)
* GOST R 34.10-2001 (RFC 5832) public key signature function
* GOST R 34.10-2012 (RFC 7091) public key signature function
* various 34.10 curve parameters included
* GOST R 34.12-2015 128-bit block cipher Кузнечик (Kuznechik) (RFC 7801)
* GOST R 34.13-2015 padding methods

Known problems:

* intermediate calculation values are not zeroed
* 34.10 is not time constant and slow

GoGOST is free software: see the file COPYING for copying conditions.

Please send questions, bug reports and patches to
https://lists.cypherpunks.ru/mailman/listinfo/gost
mailing list. Announcements also go to this mailing list.

Development Git source code repository currently is located here:
http://git.cypherpunks.ru/cgit.cgi/gogost.git/