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TIL Russia's government mandated GOST hash function and block cyphers are almost certainly backdoored:
https://eprint.iacr.org/2016/071
tl;dr: the S-Box should have been randomly chosen, and it's not.
TIL Russia's government mandated GOST hash function and block cyphers are almost certainly backdoored:
https://eprint.iacr.org/2016/071
tl;dr: the S-Box should have been randomly chosen, and it's not.
@pete thanks for sharing. For reference, GOST is an abbreviation of "State Standard of Quality" which was widely used in Soviet Union and since on goods to denote compliance with specifications. Actual cypher names are Streebog (Slavic God of winds) and Kuznyechik (Grasshoper)