Question

A company is developing a security policy for secure communication. In the exchange of critical messages between a headquarters office and a branch office, a hash value should only be recalculated with a predetermined code, thus ensuring the validity of data source. Which aspect of secure communications is addressed?

Answer 1

The aspect of secure communication being addressed in this example is Data Integrity.

Data Integrity means to ensure that the data is maintained properly and is consistent so that the integrity of the data isn't compromised.

This is made sure using hash values among which the most preferred and commonly used hashing algorithm is the SHA (Secure Hash Algorithm).

Data Integrity is one of the most important concepts of secure communication.