2. Bob wants to send a highly confidential message to Alice using public key cryptosystem. Bob...
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2. Bob wants to send a highly confidential message to Alice using public key cryptosystem. Bob encrypts his message using his own private key and sends the encrypted message to Alice. When Alice receives the message, she uses Bob's public key to read the message. However, the highly confidential message was also known to other people even though Alice did not reveal the message to anyone else. Bob was upset and concerned how other people managed to read the message. a) Explain how some other people managed to read the confidential message that was meant for Alice. b) If Bob persists in using public key cryptosystem, describe what he should do to prevent the loss of confidentiality of the message. 2. Bob wants to send a highly confidential message to Alice using public key cryptosystem. Bob encrypts his message using his own private key and sends the encrypted message to Alice. When Alice receives the message, she uses Bob's public key to read the message. However, the highly confidential message was also known to other people even though Alice did not reveal the message to anyone else. Bob was upset and concerned how other people managed to read the message. a) Explain how some other people managed to read the confidential message that was meant for Alice. b) If Bob persists in using public key cryptosystem, describe what he should do to prevent the loss of confidentiality of the message.
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Answer rating: 100% (QA)
a The scenario described suggests that Bob mistakenly used his private key to encrypt the message instead of using his public key In a public key cryp... View the full answer
Related Book For
Discrete Mathematics and Its Applications
ISBN: 978-0073383095
7th edition
Authors: Kenneth H. Rosen
Posted Date:
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