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About
Hash function
Hash Function
is used for transformation of a string of characters into a usually shorter fixed length value which is used in future to represents the original string.
Hash Function
is used to index and retrieves items from the database because it is faster to find the item using the shorter hashed key than to find it using the original value.
Hash Function
used in many encryption algorithms to create the security of files system. It is used with a database to enable items to be retrieved more quickly.
Hash Function
can also be used in the encryption and decryption of digital signatures and transforms the digital signature then both the hash value and signature are sent to the receiver. At the same time receiver uses the same
Hash Function
to generating the hash value. If the hash values are the same it is likely that the message was transmitted without errors.