In this form of encryption algorithm, every individual block contains 64-bit data, and three keys are used, where each key consists of 56 bits. Which is this encryption algorithm?
The encryption algorithm described is the Data Encryption Standard (DES). DES uses a block cipher to encrypt data in 64-bit blocks, and it uses three keys in a process called Triple DES (3DES) encryption. Each key is 56 bits long, but only 48 of those bits are used in each round of the encryption process. DES was widely used in the past, but it has since been replaced by more modern and secure encryption algorithms like the Advanced Encryption Standard (AES).
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