Cryptography Puzzles - Sanfoundry.pdf - 3/5/2021...

This preview shows page 1 - 6 out of 11 pages.

The preview shows page 4 - 6 out of 11 pages.
3/5/2021Cryptography Puzzles - Sanfoundry1/11«PrevNext»Symmetric Ciphers Questions and Answers –The AES Algorithm – IIThis set of Cryptography Puzzles focuses on “The AES Algorithm – II”.1. Conversion of the Plaintext MANIPALINSTITUTE to a state matrix leads toa)MANIPALINSTITUTEadvertisement
3/5/2021Cryptography Puzzles - Sanfoundry2/11b)MPNTAASUNLTTIIIEc)MAILNPITANIUSTTEd)EUTLTIILTNPASANM
3/5/2021Cryptography Puzzles - Sanfoundry3/11View AnswerAnswer: bExplanation:MANIPALINSTITUTEThe State matrix is Arranged –MPNTAASUNLTTIIIE2. On encrypting MANIPALINSTITUTE with key ADVANCEDENCRYPTI we get the state matrix –a)FC1D1B0D15021D05100F1700200D1BFCadvertisementb)FC1D1B0D15021D05100F1700200D1B0C
3/5/2021Cryptography Puzzles - Sanfoundryc)OCFE0B0DD5021D0518091700080D1BFCd)OC1E0B0D05021D0518091700080D1B0CView AnswerAnswer: dExplanation: First convert the state matrix to their equivalent ASCII values and then perform XORoperation.3. The multiplicative inverse of 0x95 in AES where m(x)=x+x+x+x+1 is843
4/11View Answer
3/5/2021Cryptography Puzzles - Sanfoundry
5/11

Upload your study docs or become a

Course Hero member to access this document

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 11 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Summer
Professor
N/A
Tags
Cryptography, Advanced Encryption Standard, Block cipher, stream cipher, Sanfoundry

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture