How bob finds out what cryptographic algorithm alice has use

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Reference no: EM131908060

Problem

1. Explain how Bob finds out what cryptographic algorithms Alice has used when he receives a PGP message from her.

2. Explain how Bob finds out what cryptographic algorithms Alice has used when he receives an S/MIME message from her.

3. In POP, explain how Bob and Alice exchange the secret key for encrypting messages.

Reference no: EM131908060

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