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CISSP · Question #706

The Rivest-Shamir-Adleman (RSA) algorithm is BEST suited for which of the following operations?

The correct answer is C. Secure key exchange for symmetric cryptography. The Rivest-Shamir-Adleman (RSA) algorithm is an asymmetric encryption algorithm, meaning it uses a pair of keys: a public key (for encryption) and a private key (for decryption). RSA is primarily used for operations such as secure key exchange and digital signatures, rather than

Submitted by haruto_sh· Mar 5, 2026Security Architecture and Engineering

Question

The Rivest-Shamir-Adleman (RSA) algorithm is BEST suited for which of the following operations?

Options

  • ABulk data encryption and decryption
  • BOne-way secure hashing for user and message authentication
  • CSecure key exchange for symmetric cryptography
  • DCreating digital checksums for message integrity

How the community answered

(34 responses)
  • B
    6% (2)
  • C
    91% (31)
  • D
    3% (1)

Explanation

The Rivest-Shamir-Adleman (RSA) algorithm is an asymmetric encryption algorithm, meaning it uses a pair of keys: a public key (for encryption) and a private key (for decryption). RSA is primarily used for operations such as secure key exchange and digital signatures, rather than bulk data encryption or hashing. Secure key exchange for symmetric cryptography: RSA is commonly used to securely exchange a symmetric key (such as an AES key) over an insecure channel. The symmetric key is then used for bulk data encryption and decryption, leveraging the efficiency of symmetric cryptography. RSA is not efficient for encrypting large amounts of data directly, so it is primarily used to encrypt the symmetric key, which is then used to encrypt data using a symmetric algorithm. This makes secure key exchange the primary use

Topics

#RSA#asymmetric encryption#key exchange#cryptography

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