•Explain how a hash value can be made secure to provide message authentication.
•Provide an example as it applies to your current job or life.
•What are the benefits of implementing hash values?
This material may consist of step-by-step explanations on how to solve a problem or examples of proper writing, including the use of citations, references, bibliographies, and formatting. This material is made available for the sole purpose of studying and learning - misuse is strictly forbidden.A hash value is the result of applying a hashing algorithm on a string /file /storage content without any key (compared with symmetric and asymmetric cryptographic algorithms that make use of key(s)). Practically it results a digital fingerprint of the original message/content in digested form. Although the message has variable size, the result of applying a hash function (resulting a hash value) has fixed size. It is important because it ensures, for instance, data integrity (this derives directly from the basic properties of the hash function: easy to compute, but hard to invert; a small adjustment of the initial message results in a major change of the hash value; it is difficult to find two messages that have the same computed hash value). This means the message can’t be easily recovered from the hash value; hence it is not easy to be altered, so it means the integrity of data is increased....
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