One of your executives needs to send an important and confidential email. You want to ensure that the message cannot be read by anyone but the recipient. Which of the following keys should be used to encrypt the message?
Encrypting Confidential Emails:Public-key cryptography ensures confidentiality by allowing the sender to encrypt a message using the recipient’s public key. Only the recipient can decrypt it using their private key.
Key Functionality:
Recipient's Public Key: Encrypts data securely.
Recipient's Private Key: Used exclusively to decrypt the message.
Why Not Other Options:
A. Your public key: Encrypts messages meant for you, not for others.
B. The recipient's private key: Private keys should never be shared or used for encryption.
D. Certificate authority key: Used for signing certificates, not encrypting messages.
EC-Council Emphasis:The correct use of cryptographic keys ensures confidentiality and aligns with secure communication protocols.
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