AES, or Advanced Encryption Standard, is a symmetric encryption algorithm that was established by the U.S. National Institute of Standards and Technology (NIST). It is widely used in many different security applications and protocols.
A shared key, in the context of symmetric encryption, is the key that is used for both the encryption and decryption of the data. It must be kept secret and shared only between the sender and receiver.
Symmetric encryption is a type of encryption where the same key is used for both the encryption and decryption of the data. This key is often referred to as a shared secret because the parties that are encrypting and decrypting the message must both have the key.
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