Symmetric Key Algorithm
A symmetric key algorithm is a type of encryption algorithm that uses the same key for both encryption and decryption of data. In this method, the sender and receiver of a message share a secret key that is used to encrypt and decrypt the message. The security of the message depends on the secrecy of the key. Symmetric key algorithms are generally faster and more efficient than asymmetric key algorithms, which use different keys for encryption and decryption. However, the challenge with symmetric key algorithms is the secure distribution of the key to the intended recipient. Common examples of symmetric key algorithms include Advanced Encryption Standard (AES), Data Encryption Standard (DES), and Blowfish.
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