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Nataliya [291]
1 year ago
5

true or false? in a known-plaintext attack (kpa), the cryptanalyst hs access only to a segment of encrpted data and has no choic

e as to what that data might be
Computers and Technology
1 answer:
bulgar [2K]1 year ago
6 0

Yes , it’s true. In a known-plaintext attack (kpa), the cryptanalyst can only view a small portion of encrypted data, and he or she has no control over what that data might be.

The attacker also has access to one or more pairs of plaintext/ciphertext in a Known Plaintext Attack (KPA). Specifically, consider the scenario where key and plaintext were used to derive the ciphertext (either of which the attacker is trying to find). The attacker is also aware of what are the locations of the output from key encrypting. That is, the assailant is aware of a pair. They might be familiar with further pairings (obtained with the same key).

A straightforward illustration would be if the unencrypted messages had a set expiration date after which they would become publicly available. such as the location of a planned public event. The coordinates are encrypted and kept secret prior to the event. But when the incident occurs, the attacker has discovered the value of the coordinates /plaintext while the coordinates were decrypted (without knowing the key).

In general, a cipher is easier to break the more plaintext/ciphertext pairs that are known.

To learn more about Plaintext Attack click here:

brainly.com/question/28445346

#SPJ4

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Write a routine to interchange the mth and nth elements of a singly-linked list. You may assume that the ranks m and n are passe
IRINA_888 [86]

Answer:

//The routine to swap m th and nth ranked elements

void swapmAndn(int m, int n)

{

  //Set the linked list head node

  Linked_Node **node_head

  //To find the m ranked node

  //set previous node  

  Linked_Node *node_prev = NULL;

 

  //set node to store m ranked node as head node

  Linked_Node *node_current_m = *node_head;

 

  //set the rank as rm=1

  rm =1

  //traverse to find the m ranked node

  while (node_current_m && rm<m)

  {    

      node_prev = node_current_m;

      node_current_m = node_current_m->next;

      rm++;

  }

 

  //To find the n ranked node

  //set previous node  

  Linked_Node *node_prev_n = NULL;

 

  //set node to store n ranked node as head node

  Linked_Node *node_current_n = *node_head;

 

  //set the rank as rn=1

  rn =1

  //traverse to find the n ranked node

  while (node_current_n && rn<n)

  {    

      node_prev_n= node_current_n;

      node_current_n = node_current_n->next;

      rn++;

  }

 

  //if m is not first ranked node

  if (node_prev != NULL)

      //set node_current_n as previous node

      node_prev->next = node_current_n;

 

  //otherwise Set the node_current_n

  else

      *node_head = node_current_n;

 

  // If n is not first ranked node

  if (node_prev_n!= NULL)

      node_prev_n->next = node_current_m;

  else

      *node_head = node_current_m;

 

  //now swap the next pointers also

  //to make the swap process complete  

  Linked_Node *temp = node_current_n->next;

  node_current_n->next = node_current_m->next;

  node_current_m->next = temp;

}

Explanation:

3 0
3 years ago
If you wish to install a new OS without disturbing the old one so that you can boot to either OS, what type of boot setup should
aleksley [76]

There are different kinds of installations of system software. If you wish to install a new OS, the type of boot setup that one should create a dual.

A dual boot, or multiboot when used, allows one to be able to install a new OS without hindering the activity of the old one, so that one can boot to either OS.

Multi-booting is simply known as the process whereby a person installs multiple operating systems on a single computer, and being able to choose which one to boot.

Dual-booting is a very common configuration that is known to all. It pertains to two operating systems.  

See full question below

If you wish to install a new OS without disturbing the old one so that you can boot to either OS, what type of boot setup should you create?

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7 0
2 years ago
What is the reason for taking care of design a good computer human interface ​
anygoal [31]

Answer:

computer is one of the part of our technology so that let's take care of it and improve so that we can used for better and sufficient ly not maybe now but maybe soon.

3 0
3 years ago
Read 2 more answers
n a​ poll, 6767​% of Internet users are more careful about personal information when using a public​ Wi-Fi hotspot. What is the
a_sh-v [17]

Answer:

The probability that among three randomly selected Internet​ users, at least one is more careful about personal information when using a public​ Wi-Fi hotspot is 0.964

If the survey subjects <em>volunteered</em> to​ respond , then those with the strongest opinions are most likely respond. The survey sample is then not randomly selected, the survey may have a <em>response bias.</em>

Explanation:

Let P(at least one is more careful about personal information when using a public​ Wi-Fi hotspot) denote the probability that among three randomly selected Internet​ users, at least one is more careful about personal information when using a public​ Wi-Fi hotspot, then we have the equation

P(at least one is more careful about personal information when using a public​ Wi-Fi hotspot) = 1 - P(none of the selected users is more careful about personal information when using a public​ Wi-Fi hotspot)

  • If 67​% of Internet users are more careful about personal information when using a public​ Wi-Fi, then 33% of them are not.

P(none of the selected users is more careful about personal information when using a public​ Wi-Fi hotspot) = 0.33^{3} ≈ 0.036

P(at least one is more careful about personal information when using a public​ Wi-Fi hotspot)  = 1 - 0.036 = 0.964

4 0
3 years ago
Select the online reading comprehension tool that best fits the description. This tool lets users change text from one language
Dmitrij [34]

Answer:

This tool lets users change text from one language to another.

translation tool

This tool helps users find definitions for difficult vocabulary.

online dictionary

This tool allows users to listen to passages of text that they select.

text-to-speech tool

This tool helps users memorize vocabulary by giving them representations of words using pictures.

flash cards

Explanation:

just did the assignment on edg 2020

7 0
3 years ago
Read 2 more answers
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