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Incryptography,ablockciphermodeofoperationisanalgorithmthatusesablockciphertoprovideinformationsecuritysuchasconfidentialityor ...
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Cryptography algorithm
"Mode of operation" redirects here. For "method of operation", see Modus operandi. Six common block cipher modes of operation for encryptingIn cryptography, a block cipher mode of operation is an algorithm that uses a block cipher to provide information security such as confidentiality or authenticity.[1] A block cipher by itself is only suitable for the secure cryptographic transformation (encryption or decryption) of one fixed-length group of bits called a block.[2] A mode of operation describes how to repeatedly apply a ciphers single-block operation to securely transform amounts of data larger than a block.[3][4][5]
Most modes require a unique binary sequence, often called an initialization vector (IV), for each encryption operation. The IV must be non-repeating, and for some modes must also be random. The initialization v...
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