Discussion
Advanced Encryption Standard (AES) is based on :
Answer: B
AES is based on a Symmetric key algorithm.
The Advanced Encryption Standard (the Rijndael cipher, adopted by NIST in 2001) uses the same secret key to encrypt and to decrypt. It is a block cipher with a 128-bit block and keys of 128, 192 or 256 bits.
Asymmetric (public key) algorithms such as RSA use a pair of different keys, and key exchange protocols such as Diffie-Hellman establish a shared key rather than encrypting data, so neither describes AES.
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