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Suppose public-key cryptography is used to encrypt the communications.pdf

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Suppose public-key cryptography is used to encrypt the communications between Alice and Bob. Alice\'s public key is eA, private key is dA; Bob\'s public key is private key is de. Now Bob wants to send a message m to Alice. Describe which keys should be used to encrypt the message and decrypt the ciphertext. Solution Answer:- Bob\'s message is encrypted using eA and when Alice receives message from Bob it is decrypted using dB Explanation:- *In public key cryptography, each user has two keys and each user publishes one key (public key) keeping another key private (private key). *Consider two users A and B, if A wants to send a message to B , A\'s message is encrypted using B\'s public key. When B receives message from A , it is decrypted using B\'s private key..

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Suppose public-key cryptography is used to encrypt the communications between Alice and Bob. Alice's public key is eA, private key is dA; Bob's public key is private key is de. Now Bob wants to send a message m to Alice. Describe which keys should be used to encrypt the message and decrypt the ciphertext. Solution Answer:- Bob's message is encrypted using eA and when Alice receives message from Bob it is decrypted using dB Explanation:- *In public key cryptography, each user has two keys and each user publishes one key (public key) keeping another key private (private key). *Consider two users A and B, if A wants to send a message to B , A's message is encrypted using B's public key. When B receives message from A , it is decrypted using B's private key.

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  • 1. Suppose public-key cryptography is used to encrypt the communications between Alice and Bob. Alice's public key is eA, private key is dA; Bob's public key is private key is de. Now Bob wants to send a message m to Alice. Describe which keys should be used to encrypt the message and decrypt the ciphertext. Solution Answer:- Bob's message is encrypted using eA and when Alice receives message from Bob it is decrypted using dB Explanation:- *In public key cryptography, each user has two keys and each user publishes one key (public key) keeping another key private (private key). *Consider two users A and B, if A wants to send a message to B , A's message is encrypted using B's public key. When B receives message from A , it is decrypted using B's private key.