Question: 8 . Hash # 2 Given a message M of size N and its crypto hash h ( M ) of size n bits, if

8. Hash #2
Given a message M of size N and its crypto hash h(M) of size n bits, if an adversary has to generate a new message M such that h(M)= h(M), the adversary has to try X number of messages on average where X is:
Correct!
a.2^(n/2)
b.2^ n
c.2^(N/2)
d.2^ N

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!

Q:

"hash functions for block ciphers Block size = 8 bit VH 1 8 s Hash size = 8 bits Encryption function: Divide the key into two halves: LK and RK; Divide the plaintext into two halves: LT and RT; Then...

Q:

1 ) Count nodes Given a binary tree root, a node X is named max node if in the path from root to X there are no nodes with a value greater than X . Return the number of max nodes in the binary tree....

Q:

Consider the following problem: Given an array A of size n of integers, we want to count the number of occurrences of duplicates in A. For example, [7, 2, 8, 9,4,5,6, 1, 3, 8, 8, 4] (1) should tell...

Q:

if anyone sees the answer to this question please change it a bit This is python could you answer this as soon as possible? a)Create a RSA public/private key pair with 1024 bits key length. The...

Q:

1) We can design a MAC function that generates MAC tags as follows: Select one: a. All the options b. Use AES or 3DES in CFB mode c. Use a hash function along with a secret shared key d. Use AES or...

Q:

EchoServer.java import java.net.*; import java.util.*; class EchoServer { public static void main( String args[] ) throws Exception { DatagramSocket socket = new DatagramSocket(1500); DatagramPacket...

Q:

1. Introduction to Computer Architecture concepts; The MIPS R2000 architecture allows for up to four external coprocessors. Our local systems arIPS external coprocessors are used by describing, in...

Q:

1) We can design a MAC function that generates MAC tags as follows: Select one: a. All the options b. Use AES or 3DES in CFB mode c. Use a hash function along with a secret shared key d. Use AES or...

Q:

1) We can design a MAC function that generates MAC tags as follows: Select one: a. All the options b. Use AES or 3DES in CFB mode c. Use a hash function along with a secret shared key d. Use AES or...

Q:

: (i) What data structures are maintained by the page manager. (ii) What happens when a machine performs a read operation to a page. (iii) What happens when a machine performs a write operation to a...

Q:

If A = (a) (c) 1 a 01 1 a4 0 1 4 a 0 4 then A4 is equal to (b) (d) 4 4a 0 1 43] 0 4a 1

Q:

Using the MINITAB solution to the rivet example as shown on page 382, describe how MINITAB found each of the six numerical values it reported as results.

Q:

Select all that apply Which of the following choices determine the amount and the timing for recognizing interest income? (Check all that apply.) Multiple select question. If bonds are purchased at a...

Q:

A publisher receives books returned to its warehouse for many reasons, often because its distributors over ordered. The publisher sends the paper to recyclers to be pulped and turned back into paper s