Construct message authentication code with SHA and AEA
Yi‐Shiung Yeh, Chu‐Hsing Lin, Wei-Shen Lai · Journal of Discrete Mathematical Sciences and Cryptography · 2002
We propose an algorithm to produce the Message Authentication Code (MAC), which is constructed with SHA-1 [1] and Advanced Encryptin Algorithm (AEA) used in the Advanced Encryption Standard (AES) [2]. Because the AEA is capable of supporting key-block combinations with size of (x, y) bits for x, y ∈ {128, 192, 256}, we must sophisticatedly modify the methodology proposed by Yeh [3] and propose an MAC algorithm using the AEA.