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DENIUS [597]
3 years ago
7

White lines

Computers and Technology
2 answers:
forsale [732]3 years ago
8 0

Answer: B

Explanation:

kykrilka [37]3 years ago
7 0

Answer:

Its B                                                                                                                                            

Explanation:

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100 POINTS!!!!!!
Veronika [31]

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:

3 0
2 years ago
which of the following is an educated or informed guess that is proposed and supported with verifiable evidence
beks73 [17]

The answer is Hypothesis.  It is something more than just a wild guess but less than a well-established theory, a theory which can be tested through study and experimentation..  They are assumptions generally believed to be true. They are provisionally accepted in order to interpret certain events or phenomena, and to provide guides for further study.

6 0
3 years ago
What was the first computer to defeat a world champion chess player?
deff fn [24]
deep blue IBM's chess-playing computer
6 0
3 years ago
When you open your word-processing program, it opens in a<br> field<br> menu
stepan [7]
B- menu...... hope this helps
8 0
3 years ago
Read 2 more answers
_____ consists of computer equipment used to perform input, processing, and output activities.
goldfiish [28.3K]
<span> (keyboards, mice, scanning, computer chips)</span>
6 0
3 years ago
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