Andy and Betty both use Pretty Good Privacy (PGP). They hav…
Andy and Betty both use Pretty Good Privacy (PGP). They have never communicated in any way. Andy finds a web page that claims to show Betty’s email address and her PGP public key. He wants to send an email message to Betty and use PGP for authentication. Explain how Andy can confident that he has the correct public key for Betty, using the process discussed in this course. Note: Andy has no way to contact Betty other than email.
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