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aleksandrvk [35]
3 years ago
9

Public-key cryptography can be used for encryption (ElGamal for instance) and key exchange. Furthermore, it has some properties

(such as nonrepudiation) which are not offered by secret key cryptography. So why do we still use symmetric cryptography in applications?
Computers and Technology
2 answers:
SIZIF [17.4K]3 years ago
8 0

Answer:

data security and user privacy

Explanation:Symmetric algorithms provide a fairly high level of security while at the same time allowing for messages to be encrypted and decrypted quickly. The relative simplicity of symmetric systems is also a logistical advantage, as they require less computing power than the asymmetric ones. In addition, the security provided by symmetric encryption can be scaled up simply by increasing key lengths. For every single bit added to the length of a symmetric key, the difficulty of cracking the encryption through a brute force attack increases exponentially.

Rudiy273 years ago
3 0

Answer:

Advantage symmetric cryptography

Explanation:

1. The same key is used to both encrypt and decrypt messages.  

2. Symmetric key algorithms are widely applied in various types of computer systems to improve data security.

3. The security of symmetric encryption systems is based on the difficulty of randomly guessing the corresponding key to force them.

4. The Advanced Encryption Standard (AES) widely used in both secure messaging applications and cloud storage is a prominent example of symmetric encryption.

5. For every bit added to the length of a symmetric key, the difficulty of decrypting encryption using a brute force attack increases exponentially.

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In this lab, you use the flowchart and pseudocode found in the figures below to add code to a partially created C++ program. Whe
never [62]

Answer:

The equivalent program in C++:

#include<iostream>

#include <sstream>

using namespace std;

int main(){

   string Score, Rank;

   cout<<"Enter student score and class rank: ";

   cin>>Score>>Rank;

   int testScore = 0, classRank = 0;

   stringstream sstream(Score);

   sstream>>testScore;

   

   stringstream tream(Rank);

   tream>>classRank;

   

   if (testScore >= 90){

       if(classRank >=25){cout<<"Accept";}

       else{cout<<"Reject";}

   }

   else if(testScore >= 80){

       if(classRank >=50){cout<<"Accept";}

       else{cout<<"Reject";}

   }

   else if(testScore >= 70){

       if(classRank >=75){cout<<"Accept";}

       else{cout<<"Reject";}

   }

   else{cout<<"Reject";}

   return 0;

}

Explanation:

This declares Score and Rank as string variables

   string Score, Rank;

This prompts the user for score and class rank

   cout<<"Enter student score and class rank: ";

This gets the user input

   cin>>Score>>Rank;

This declarees testScore and classRank as integer; and also initializes them to 0

   int testScore = 0, classRank = 0;

The following converts string Score to integer testScore

<em>    stringstream sstream(Score);</em>

<em>    sstream>>testScore;</em>

The following converts string Rank to integer classRank

   stringstream tream(Rank);

   tream>>classRank;

The following conditions implement the conditions as given in the question.    

If testScore >= 90

<em>    if (testScore >= 90){</em>

If classRank >=25

<em>        if(classRank >=25){cout<<"Accept";}</em>

If otherwise

<em>        else{cout<<"Reject";}</em>

<em>    } ---</em>

If testScore >= 80

<em>    else if(testScore >= 80){</em>

If classRank >=50

<em>        if(classRank >=50){cout<<"Accept";}</em>

If otherwise

<em>        else{cout<<"Reject";}</em>

<em>    }</em>

If testScore >= 70

<em>    else if(testScore >= 70){</em>

If classRank >=75

<em>        if(classRank >=75){cout<<"Accept";}</em>

If otherwise

<em>        else{cout<<"Reject";}</em>

<em>    }</em>

For testScore less than 70

<em>    else{cout<<"Reject";}</em>

<em />

3 0
3 years ago
Predictive coding software leverages .............................when experts review a subset of documents to teach the softwar
pantera1 [17]

Answer:

A.Human analysis, documents

Explanation:

Predictive coding in softwares is artificial intelligence that works by automating document review. This involves training software with data from "subset of documents" to be generally applied(apply same logic) to a larger group of documents. This is employed by a large group of technologists to ease the task of manually reviewing a huge set of documents.

7 0
3 years ago
What are the tab keys used for on a keyboard
Ugo [173]
The tab keys are used to advance the cursor to the next tab stop.
4 0
3 years ago
which dual-stack architecture allows ipv4 and ipv6 at the network layer to access a single tcp/udp stack
Archy [21]

The dual-layer-IP allows ipv4 and ipv6 at the network layer to access a single tcp/udp stack.

<h3>What is the dual IP layer?</h3>

The word dual-stack is a word that connote a full or total duplication of all stages in the protocol stack ranging from its applications to the network layer.

Note that the dual-layer-IP method often gives room for a computer to run IPv4 and IPv6 simultaneously  at the network layer, and all of the IP stack can access a different TCP/UDP stack.

Learn more about  architecture  from

brainly.com/question/9760486

6 0
2 years ago
my headphone jack that is like in the computer will not work only my speakers will work when i plug in
marusya05 [52]

I'm assuming that what you are saying is that while the headphone is plugged in to the computer, it still plays on the computer speakers.

Most likely, the headphone outlet is dirty and need cleaning. To solve this, plug in your headphones into the headphone outlet, and take it out really quickly. Do this for a certain amount of time until it works.

If this does not work, check the settings if you are allowing it to play into external devices or not.

~

3 0
3 years ago
Read 2 more answers
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