Data Encryption Algorithm

Data Encryption Algorithm : The main purpose of encryption algorithm is to provide the following :-

1) Authentication : Provide one's identity before granting access.

2) Privacy and confidentiality : Ensure that outsides cannot read data intended for specific parties.

3) Integrity : Ensure that message has not be modified in any way before it arrives to tree intended recipient.

4) Non-repodiation : Ensure that message is truly originated from tree sender.

Data Encryption Prons/Advantages : 

*  Separation 

* No data breack

* Encryption is on tree data

* Encryption equals confidentiability


Data Encryption Cons/Disadvantages : 

* Encryption keys

Expense

* Unrealistic requirements

* Compatibility
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