A Critical Review of PKI Security Policies and Message Digests/Hashes

By Ravi Das

All of our articles in this series have looked at using the principles of Cryptography to secure the lines of communications from the sending party to the receiving party. Simply put, Cryptography is the science (or for that matter, the art of) scrambling and descrambling a message while it is in transit. The purpose of this process is to make sure that the message remains in an undecipherable state if it should be intercepted by a malicious third party, such as that of a Cyberattacker. However, given the sophistication Cyber hacks and attacks today, even a fully encrypted message can still be hijacked, very covertly.

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