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
• VKO GOST R 34.10-2001 key agreement function (RFC 4357)
• VKO GOST R 34.10-2012 key agreement function (RFC 7836)
• GOST R 34.12-2015 128-bit block cipher Кузнечик (Kuznechik) (RFC 7801)
• GOST R 34.13-2015 padding methods
• MGM AEAD mode for 64 and 128 bit ciphers (RFC 9058)

GoGOST'es home page is: http://www.gogost.cypherpunks.ru/

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