b. ceiling(log₂ 25). c. ged(14 mod 6, 18 mod d. ged(12, 18) mod 5. e. dist(4, seq(3)).
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- Mr. Akbar is senior software developer working on an ecommerce website he wants to add the following products on his website with following keys Mouse 4614 Keyboard 5882 Cable 6713 Webcam 4409 Monitor 1825 To make searching better he asked his junior to find the 2 digit hash address of products by following techniques and share results with him a) Division method with m=97 b) Mid square method c) Folding method without reversingMr. Waseem is software developer working on an ecommerce website he wants to add the following products on his website with following keys. Mouse 4614 Keyboard 5882 Cable 6713 Webcam 4409 Monitor 1825 To make searching better he asked his junior to find the 2 digit hash address of products by following techniques and share results with him. Solve by using below techniques. a) Division method with m=97 b) Mid square method c) Folding method without reversing d) Folding method with reversingMr. Akbar is senior software developer working on an ecommerce website he wants to add the following products on his website with following keys Mouse4614 Keyboard5882 Cable6713 Webcam4409 Monitor1825 To make searching better he asked his junior to find the 2 digit hash address of products by following techniques and share results with him a) Division method with m=97b) Mid square methodc) Folding method without reversingd) Folding method with reversing
- Suppose a hash table has 11 locations, keys are placed in the table using the hash function f (x) = x mod 11, and linear chaining is used to resolve collisions Draw a picture of the result of storing the following keys in the table: 0, 12, 42, 18, 6, 22, 8, 105, 97 (language C/C++)Implement a dynamically resizable hash table to store people’s names and Social Security numbers. Use the extraction method with division using the last four digits of the Social Security number. Use an initial table size of 31 and a load factor of 0.80. Use open addressing with double hashing using an extraction method on the first three digits of the Social Security number.PLEASE PLEASE SHOW CALCULATIONS Using the Vigenere cipher given in class: ADQYS MIUSB OXKKT MIBHK IZOOO EQOOG IFBAG KAUMFVVTAA CIDTW MOCIO EQOOG BMBFV ZGGWP CIEKQ HSNEWVECNE DLAAV RWKXS VNSVP HCEUT QOIOF MEGJS WTPCHAJMOC HIUIX Determine the Keys that would be needed to decipher the given cipher given the following deductions made in class Key of length 6; alphabet 1: AIKHOIATTOBGEEERNEOSAI alphabet 2: DUKKEFUAWEMGKWDWSUFWJU alphabet 3: QSTIQBMAMQBWQVLKVTMTMI alphabet 4: YBMZOAFCOOFPHEAXPQEPOX alphabet 5: SOIOOGVICOVCSVASHOGCC alphabet 6: MXBOGKVDIGZINNVVCIJHH
- This question relates to hash functions for block ciphers 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**GIVEN MESSAGE IS CAB2; IT IS NOT AB12**This homework relates to hash functions for block ciphers (sec 11.3.2) Block size = 8 bits Hash size = 8 bits Encryption function: Divide the key into two halves: LK and RK; Divide the plaintext into twohalves: 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 4 bits; Plaintext and ciphertext are each 8 bits. g(H) = an 8-bit string that is equal to the complement of bits in H; For example, if H=A3 (Hexa)= 10100011 (binary); then g(H)= 01011100 H0 = Initial hash = 11001010Given a message m: CAB2 (in Hexa);Q1. Determine the hash (in hexadecimal) of the message M using Martyas-Meyer-Oseas hashfunction (Fig. 11.7).Q2. Determine the hash (in hexadecimal) of the message M using Davis-Meyer hash function(Fig. 11.6)Q3. Determine the hash (in hexadecimal) of the message M using Migayuchi-Preneel hashfunction (Fig. 11.6) **GIVEN MESSAGE IS CAB2; IT IS NOT AB12****GIVEN MESSAGE IS CAB2; IT IS NOT AB12**This homework relates to hash functions for block ciphers (sec 11.3.2) Block size = 8 bits Hash size = 8 bits Encryption function: Divide the key into two halves: LK and RK; Divide the plaintext into twohalves: 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 4 bits; Plaintext and ciphertext are each 8 bits. g(H) = an 8-bit string that is equal to the complement of bits in H; For example, if H=A3 (Hexa)= 10100011 (binary); then g(H)= 01011100 H0 = Initial hash = 11001010Given a message m: CAB2 (in Hexa); Q.3 Determine the hash (in hexadecimal) of the message M using Migayuchi-Preneel hashfunction (Fig. 11.6)
- The 9-entry hash table that results from using the hash function, h(i) = (2i+7) mod 9, to hash the keys 12, 5, 13, 4, 10, 19, 8, 3, and 28, assuming collisions are handled by linear probing as follows: 0 1 2 3 4 5 6 7 8 10 19 3 28 12 8 13 4 5 group answer choice a) True b) FalseRunning Euclid's GCD Recursive Algorithm to find the GCD between 89 and 54 will result in how many recursions? Question 3 options: 2 3 4 5 6 7 or more Previous PageNext PageB) Suppose a hash table has 11 locations, keys are placed in the table using the hash function f (x) = x mod 11, and linear chaining is used to resolve collisions Draw a picture of the result of storing the following keys in the table: 0, 12, 42, 18, 6, 22, 8, 105, 97