Fr,FFPo:0So-) O10SyS40.S10 EnteredAnswer PreviewResult100001101011100001101011IncomectThe answer above is NOT correct.Suppose you have an LFSR with state bits (also known as the seed) (s5,Sa, 3. 5., 0) = (1,1,0,0,0, 1) and tap bits (alnoknown as feedback coefficients) (ps. Pa- Ps. Pz. P- Po) = (1,1,1, 1, 1,0).What are the first 12 bits output by this LFSR?Please enter your arswer in the form of unspaced binary digits (0.g. 010101010101). These come in order ss2.100001101011

P0 S0 1 1 0 0 0 1 1 S1 1 1 1 0 0 0 0 S2 0 1 1 1…

Answered: Suppose you have an LFSR with state…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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screenshot of the results how to implement S-DES on Anaconda jupyter? with the followings information: Key: 10 bits 8 bit plaintext rounds : initial and final initial-premutation : 26314857 final-permutation : 41357286 expension : 41232341 pt = "123456ABCD132536"key = "AABB09182736CCDD
Consider a SEC code that protects 8 bit words with 4 parity bits. If we read the value 0x375, is there an error? If so, correct the error.
Consider this string 1111100011101100, Spread the string out to make room for parity bits, putting X’s in for the Hamming parity bits, a Y for overall parity, maybe even spaces for clarity.
MOVLW 0MOVWF 18HMOVLW 33HADDWF 18H, FADDWF 16H, FADDWF 14H, FADDWF 20H, F Questions: What is the result of Location 16H? What is the result of WREG?
Implement 4-bit block cipher using 4 XOR gates, plain text input [3:0] p, key input [3:0] k and cipher text output [3:0] c using Verilog. Use two of 4-bit block cipher and 2 XOR gates to implement 8-bit block cipher with plain text input [7:0] p, key input [3:0] k, initialization vector input [3:0] and cipher text output [7:0] c. ex) IV = 4’b1101, key = 4’b1000, plaintext = 8’b01100001 (‘a’, 97)
Describe a protocol combining the sliding window algorithm with selective ACKs. Your protocol should retransmit promptly, but not if a frame simply arrives one or two positions out of order. Your protocol should also make explicit what happens if several consecutive frames are lost.
Subject : Computer sciences / Information security Question :Using given plain text perform the following step-wise…………………..Plain text (hexadecimal): 01 08 00 08 00 00 00 40 ( screen shot is attached , kindly refer to it ) STEP 1: Find the output of Permutation using given table?STEP 2: Using the result of Step 1, find the output of S-Box 4?
90. In CRC checksum method, assume that given frame for transmission is 1101011011 and the generator polynomial is G(x) = x^4 + x + 1.After implementing CRC encoder, the encoded word sent from sender side is ............. a. 11010110111110 b. 11101101011011 c. 110101111100111 d. 110101111001111
a. Compute CBC-MAC for a message of 16 bits, “8642” (in Hexa). Assume a block size of 8 bits with an IV=F1 (in hexa). For simplicity, assume the encryption to be a simple XOR of the key with the plaintext. Let the encryption key be B4 (in Hexa).
Consider the following string of page references 7, 0, 1, 2, 0, 3, 0, 4, 2, 3, 0, 3, 2.Complete a figure similar to Figure 8.14, showing the frame allocation for: Clock I need theanswer to be easy to read and understand.
The token bucket algorithm is a popular method for traffic shaping. A computer uses a token bucket with acapacity of 400 megabytes (MB) and a rate of 10 MB/sec. The computer continuously generates20 MB/sec for transmission from time 0. Assume the bucket’s water level is 200 MB at time 0.1a. How long will it take to send 1000 MB? Show the steps.1b. Draw a figure showing how the bucket’s water level evolves
a. Compute CBC-MAC for a message of 16 bits, “8642” (in Hexa). Assume a block size of 8 bits with an IV=F1 (in hexa). For simplicity, assume the encryption to be a simple XOR of the key with the plaintext. Let the encryption key be B4 (in Hexa). (Hint: Divide the message into blocks of 8 bits each; XOR each block with the previous cipher output; then encrypt this with the key. For the first block, XOR it with IV. Details in pages 325-326 Ch.12 of the textbook) b. Suppose Alice computes the Secret prefix MAC (page 322: secret prefix MAC(x) = h(key || x)) for the message ”AM” (in ASCII) with key “G” (in ASCII) that both Alice and Bob know. The hash function that is used is h(x1x2x3)= g(g(x1 XOR x2) XOR x3 ) where each xi is a character represented as 8 bits, and g(x) is a 8-bit string that is equal to the complement of bits in x. For example, g(10110011) = 01001100. The MAC is 8 bits. (8-bit ASCII representation of the characters is given below.) What is the Secret prefix MAC…

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