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( 1 0 points ) Alice is sending an email to Bob. The email message ( could include attachments of files up to 1 0
points Alice is sending an email to Bob. The email message could include
attachments of files up to Bytes should be encrypted. Normally the email
delivery do not employ mutual authentication. Instead it just uses one way
communication.
Based on the above requirements, please
Design a one message security protocol between the email sending server
Alices side and the email receiving server Bobs side Note that we
assume that the two email servers have the public key of each other before
hand.
Explain how did the receiver authenticate the sender and obtain the plaintext
email message.
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