Which of the following uses both a public and private key?

The correct answer is A. RSA. RSA is an asymmetric encryption algorithm that uses a key pair: a public key (shared openly) for encryption and a private key (kept secret) for decryption. AES is a symmetric algorithm using a single shared key. MD5 and SHA are cryptographic hash functions, not encryption…

General security concepts

Question

Options

ARSA
BAES
CMD5
DSHA

How the community answered

(67 responses)

A
91% (61)
B
4% (3)
C
1% (1)
D
3% (2)

Explanation

RSA is an asymmetric encryption algorithm that uses a key pair: a public key (shared openly) for encryption and a private key (kept secret) for decryption. AES is a symmetric algorithm using a single shared key. MD5 and SHA are cryptographic hash functions, not encryption algorithms - they produce one-way digests and use no keys for encryption/decryption.

Topics

#RSA#asymmetric encryption#public key cryptography#key pairs

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