Which type of key can be used to both encrypt and decrypt the same message?

The correct answer is A. A symmetric key. Symmetric-key algorithms are a class of cryptographic algorithms that use a single key for both encrypting and decrypting of data. Asymmetric cryptography uses pairs of related keys: the public and the corresponding private keys. A message encrypted with the public key can only…

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Question

Options

AA symmetric key
BA private key
CAn asymmetric key
DA public key

How the community answered

(31 responses)

A
87% (27)
B
6% (2)
C
3% (1)
D
3% (1)

Explanation

Symmetric-key algorithms are a class of cryptographic algorithms that use a single key for both encrypting and decrypting of data. Asymmetric cryptography uses pairs of related keys: the public and the corresponding private keys. A message encrypted with the public key can only be decrypted by its corresponding private key, and vice versa. The term 'asymmetric key' is not applicable here.

Topics

#Cryptography#Symmetric Encryption#Key Management#Encryption Concepts

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