Secret key is used for.

A. Public key cryptography

B. Private key cryptography

C. Asymmetric key cryptography

D. None of these

Answer: Option B

Solution(By Examveda Team)

Secret key is used for Private key cryptography. A private key, also known as a secret key, is a variable in cryptography that is used with an algorithm to encrypt and decrypt code. Secret keys are only shared with the key's generator, making it highly secure. Private keys play an important role in symmetric cryptography, asymmetric cryptography and cryptocurrencies.