56-bit encryption refers to a type of symmetric key encryption that uses a key that is 56 bits long. In this encryption method, the same key is used for both encryption and decryption of data. The bit length of the key is an important factor in determining the security level of the encryption; a longer key generally makes the encryption stronger. One of the most well-known encryption algorithms that uses 56-bit keys is the Data Encryption Standard (DES).

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  1. History of cryptography
  2. Cryptography
  3. Applied mathematics
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