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hguduri
Posts: 6
Posted 14:04 Feb 17, 2014 |

Hai professor,

In question 4 a) 

0001 1100 0110 0010 is 1C62 

but you have given 1C42 and did the answer coresspondingly...so can you please let me know whether iam correct or not

hpguo
Posts: 139
Posted 17:34 Feb 17, 2014 |

Yes. The key should be 1C62. I'll correct it later. The focus is not on which key should be used to do encryption and decryption, but on how the encipher and decipher work.