Block size = 4 bits Hash size = 4 bits Encryption function: Divide the key into two halves: LK and RK; Divide the plaintext into two halves: LT and RT; Then ciphertext= LC||RC where LC=LK XOR RT; and RC = RK XOR LT; where LC, RC, LT, and RT are each 2 bits; Plaintext and ciphertext are each 4 bits. g(H) = a 4-bit string that is equal to the complement of bits in H; For example, if H=A (Hexa) = 1010 (binary); then g(H)= 0101 H0 = Initial hash = C (in Hexa) Given message M:  D9 (in Hexa); a. Determine the hash (in hexadecimal) of the message M using Martyas-Meyer-Oseas hash function  b. Determine the hash (in hexadecimal) of the message M using Davis-Meyer hash function  c. Determine the hash (in hexadecimal) of the message M using Migayuchi-Preneel hash function

• Block size = 4 bits
• Hash size = 4 bits
• Encryption function: Divide the key into two halves: LK and RK; Divide the plaintext into two halves: LT and RT; Then ciphertext= LC||RC where LC=LK XOR RT; and RC = RK XOR LT; where LC, RC, LT, and RT are each 2 bits; Plaintext and ciphertext are each 4 bits.
• g(H) = a 4-bit string that is equal to the complement of bits in H; For example, if H=A (Hexa) = 1010 (binary); then g(H)= 0101
• H0 = Initial hash = C (in Hexa)
• Given message M:  D9 (in Hexa);

a. Determine the hash (in hexadecimal) of the message M using Martyas-Meyer-Oseas hash function 

b. Determine the hash (in hexadecimal) of the message M using Davis-Meyer hash function 

c. Determine the hash (in hexadecimal) of the message M using Migayuchi-Preneel hash function