Cody

Problem 45212. AES MixColumns() Transformation

Given a 16x2 input character hexadecimal array representing the AES state, execute the AES algorithm MixColumns() transformation and output a 16x2 character hexadecimal array.

Refer to this link: https://csrc.nist.gov/csrc/media/publications/fips/197/final/documents/fips-197.pdf

For example:

stateI=['e3';'38';'2d';'8e';'60';'8d';'3e';'38';'15';'f4';'a7';'88';'e3';'f4';'06';'1a'];
stateO=['36';'6a';'08';'2c';'4a';'1b';'d9';'63';'02';'9c';'37';'67';'c6';'00';'35';'f8'];

Solution Stats

71.43% Correct | 28.57% Incorrect
Last Solution submitted on Nov 28, 2019