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What are the advantages and disadvantages of public key cryptography?
Advantages and Disadvantages:
Improved security and convenience: private keys never require be transmitting or revealing to anyone. They can give a method for digital signatures
Public-key authentication protects repudiation; all users have sole responsibility for protecting his or her private key. Such property of public-key authentication is frequently termed as non-repudiation.
A drawback of using public-key cryptography for encryption is speed. The best solution for encryption is to merge public and secret-key systems.
The public-key system can be utilized to encrypt a secret key that is used to encrypt the bulk of message or a file. Such a protocol is termed as a digital envelope. A successful attack upon a certification authority will permit an adversary to impersonate whomever the adversary decides to by using a public-key certificate through the compromised authority to bind a key of the adversary's pick to the name of other user. Public-key cryptography is not implies as replace secret-key cryptography, although rather to supplement this, to make this more secure.
The Task Gantt shows the various tasks being performed i.e., some type of activities by the set of processors attached to the parallel computer as shown in Figure . Task Gantt
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