Cryptography207610 marksNumerical: Hill cipher decryptionSecure Hash Algorithms
Compare the SHA parameters between SHA-1 and SHA-2 families. Decrypt the cipher text DRIJ with the key using the Hill cipher.
Compare the SHA parameters between SHA-1 and SHA-2 families. Decrypt the cipher text DRIJ with the key $$\begin{pmatrix} 7 & 8 \ 11 & 11 \end{pmatrix}$$ using the Hill cipher. [10]
--- Parameter SHA-1 SHA-224 SHA-256 SHA-384 SHA-512 ------------------ Message Digest Size (bits) 160 224 256 384 512 Max Message Size (bits) $<2^{64}$ $<2^{64}$ $<2^{64}$ $<2^{128}$ $<2^{128}$ Block Size (bits) 512 512 512 1024 1024 Word Size (bits) 32 32 32 64 64 Number of Rounds 80 64 64 80 80...