Answer:
The fundamental limitation of symmetric (secret key) encryption is ... how do two parties (we may as well assume they are Alice and Bob) agree on a key? In order for Alice and Bob to communicate securely they need to agree on a secret key. In order to agree on a secret key, they need to be able to communicate securely. In terms of the pillars of IA, To provide CONFIDENTIALITY, a secret key must first be shared. But to initially share the key, you must already have CONFIDENTIALITY. It's a whole chicken-and-egg problem.
This problem is especially common in the digital age. We constantly end up at websites with whom we decide we want to communicate securely (like online stores) but with whom we there is not really an option to communicate "offline" to agree on some kind of secret key. In fact, it's usually all done automatically browser-to-server, and for the browser and server there's not even a concept of "offline" — they only exist online. We need to be able to establish secure communications over an insecure channel. Symmetric (secret key) encryption can't do this for us.
Asymmetric (Public-key) Encryption
Yet one more reason I'm barred from speaking at crypto conferences.
xkcd.com/177/In asymmetric (public key) cryptography, both communicating parties (i.e. both Alice and Bob) have two keys of their own — just to be clear, that's four keys total. Each party has their own public key, which they share with the world, and their own private key which they ... well, which they keep private, of course but, more than that, which they keep as a closely guarded secret. The magic of public key cryptography is that a message encrypted with the public key can only be decrypted with the private key. Alice will encrypt her message with Bob's public key, and even though Eve knows she used Bob's public key, and even though Eve knows Bob's public key herself, she is unable to decrypt the message. Only Bob, using his secret key, can decrypt the message ... assuming he's kept it secret, of course.
Explanation:
This could have happened when:
- Lack of Internet service or failure
- Wrong application.
<h3>What do you mean by Internet?</h3>
The Internet is seen as a form of a network that helps people to connects their computers all over the nation.
In this age, Through the help of the Internet, people are able to share information and navigate through places.
Note that the problem of bad direction could have happened when:
- Lack of Internet service or failure
- Wrong application.
Learn more about Internet from
brainly.com/question/2780939
#SPJ1
Answer: E. class, objects
Explanation:
<em>A </em><em><u>class</u></em><em> is the blueprint for </em><em><u>objects</u></em><em> having similar attributes.</em>
As much as classifying something means to define it based on the characteristics that is has that are similar to other things in that class, so also is a class here.
A class is the blueprint or rather template for making objects that have similar attributes which means that the class therefore gives the object its various attributes and its behavior.
The Answer is A: <span>along one of the division lines. </span>
The best thing to do when an error message appears when it is not supposed to, as in if you are blocked by an administrator and it appears then its supposed to, it is best to contact someone who can investigate whether or not something is happening to your computer. That could be a parent, if they are good with computers, or just tech support at a store, provided they also know computers. Most of the time your computer just makes a mistake so nothing to worry about, but make sure to have it checked just to be sure.
