Cryptanalyzing a Pair of Russian Encryption Algorithms

ID SCHNEIER:DF7B07E6E8294E87BA436219A8391CCB
Type schneier
Reporter Bruce Schneier
Modified 2019-05-10T11:30:36


A pair of Russia-designed cryptographic algorithms -- the Kuznyechik block cipher and the Streebog hash function -- have the same flawed S-box that is almost certainly an intentional backdoor. It's just not the kind of mistake you make by accident, not in 2014.