COMPUTER NETWORKING

NETWORK SECURITY

DIGITAL SIGNATURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The hash value it will change when:
A
The data doesn’t have a changed.
B
The data have changed.
C
Every time when opening the data.
D
The value will not changed for ever.
Explanation: 

Detailed explanation-1: -The hash file is changed when the data is modified because the information within the file has changed and it is considered a new/different file.

Detailed explanation-2: -A hash is a mathematical function that converts an input of arbitrary length into an encrypted output of a fixed length. Thus, regardless of the original amount of data or file size involved, its unique hash will always be the same size.

Detailed explanation-3: -The hash function will always return the same values for the same string; I recommend that you make sure the strings you are using have the same capitalization and no leading or trailing spaces.

There is 1 question to complete.