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Exam 312-50 topic 4 question 10 discussion

Actual exam question from ECCouncil's 312-50
Question #: 10
Topic #: 4
[All 312-50 Questions]

To send a PGP encrypted message, which piece of information from the recipient must the sender have before encrypting the message?

  • A. Recipient's private key
  • B. Recipient's public key
  • C. Master encryption key
  • D. Sender's public key
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Suggested Answer: B 🗳️
by dorinh at Dec. 1, 2021, 9:51 a.m.

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dorinh
6 months, 1 week ago
PGP Encryption o When a user encrypts data with PGP, PGP first compresses the data. Compressing the data reduces patterns in the plaintext that could be exploited by most cryptanalysis techniques to crack the cipher, thereby increasing the resistance to cryptanalysis considerably. o PGP then creates a random key that is a one-time-only secret key. o PGP uses the random key generated to encrypt the plaintext, resulting in a ciphertext. o Once the data are encrypted, a random key is encrypted with the recipient’s PUBLIC key. o The public-key-encrypted random key is sent along with the ciphertext to the recipient.
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