GSLC · Question #554
Which key of the Asymmetric encryption is used to encrypt the data when a user sends a message or data to another user?
The correct answer is C. Public. In asymmetric encryption, a sender encrypts outgoing data using the recipient's public key, which can only be decrypted by the recipient's corresponding private key.
Question
Which key of the Asymmetric encryption is used to encrypt the data when a user sends a message or data to another user?
Options
- ASymmetric
- BPrivate
- CPublic
- DAsymmetric
How the community answered
(34 responses)- A3% (1)
- B3% (1)
- C88% (30)
- D6% (2)
Why each option
In asymmetric encryption, a sender encrypts outgoing data using the recipient's public key, which can only be decrypted by the recipient's corresponding private key.
Symmetric refers to a separate encryption model where a single shared secret key is used for both encryption and decryption, not to a key type within asymmetric encryption.
The private key is kept secret by the key owner and is used for decryption of received messages and for creating digital signatures, not for encrypting outbound data to that owner.
The public key is freely distributed and used by any sender to encrypt data intended for a specific recipient. Only the recipient's paired private key - kept secret by its owner - can decrypt that ciphertext, ensuring confidentiality of the message in transit.
Asymmetric names the overall algorithm family or system type, not a specific key used within the process of encryption or decryption.
Concept tested: Asymmetric encryption public key role in confidentiality
Source: https://learn.microsoft.com/en-us/azure/security/fundamentals/encryption-overview
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