Problem 45212. AES MixColumns() Transformation

Created by David Hill

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{"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","targetMode":"","relationshipId":"rId1","target":"/matlab/document.xml"},{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/output","targetMode":"","relationshipId":"rId2","target":"/matlab/output.xml"}],"parts":[{"partUri":"/matlab/document.xml","relationship":[],"contentType":"application/vnd.mathworks.matlab.code.document+xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<w:document xmlns:w=\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\"><w:body><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Given a 16x2 input character hexadecimal array representing the AES state, execute the AES algorithm MixColumns() transformation and output a 16x2 character hexadecimal array.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Refer to this link:</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"https://csrc.nist.gov/csrc/media/publications/fips/197/final/documents/fips-197.pdf\"><w:r><w:t>&lt;https://csrc.nist.gov/csrc/media/publications/fips/197/final/documents/fips-197.pdf</w:t></w:r></w:hyperlink><w:r><w:t>&gt;</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>For example:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[stateI=['e3';'38';'2d';'8e';'60';'8d';'3e';'38';'15';'f4';'a7';'88';'e3';'f4';'06';'1a'];\nstateO=['36';'6a';'08';'2c';'4a';'1b';'d9';'63';'02';'9c';'37';'67';'c6';'00';'35';'f8'];]]></w:t></w:r></w:p></w:body></w:document>"},{"partUri":"/matlab/output.xml","contentType":"text/xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?><embeddedOutputs><metaData><evaluationState>manual</evaluationState><layoutState>code</layoutState><outputStatus>ready</outputStatus></metaData><outputArray type=\"array\"/><regionArray type=\"array\"/></embeddedOutputs>"}]}

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Last Solution submitted on Nov 28, 2019

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advanced encryption standard cryptography

Problem 45212. AES MixColumns() Transformation

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Problem 45212. AES MixColumns() Transformation

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