Question
Consider the basic CBC-MAC pictured, with a block cipher having a 128 bit key and 64 bit block length to MAC a 512 bit message.
Consider the basic CBC-MAC pictured, with a block cipher having a 128 bit key and 64 bit block length to MAC a 512 bit message. How many evaluations of the block cipher need to be performed in order to calculate the tag? Assume there is no padding
Characteristics Need 2 shared keys In general can generate additional keys from a single shared key k k1=Fk(1) k2=Fk(2)Step by Step Solution
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Databases And Information Systems 1 International Baltic Conference Dbandis 2020 Tallinn Estonia June 19 2020 Proceedings
Authors: Tarmo Robal ,Hele-Mai Haav ,Jaan Penjam ,Raimundas Matulevicius
1st Edition
303057671X, 978-3030576714
