CFB mode - translation to Αγγλικά
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  • πώς χρησιμοποιείται η λέξη
  • συχνότητα χρήσης
  • χρησιμοποιείται πιο συχνά στον προφορικό ή γραπτό λόγο
  • επιλογές μετάφρασης λέξεων
  • παραδείγματα χρήσης (πολλές φράσεις με μετάφραση)
  • ετυμολογία

CFB mode - translation to Αγγλικά

ALGORITHM THAT USES A BLOCK CIPHER TO PROVIDE AN INFORMATION SERVICE SUCH AS CONFIDENTIALITY OR AUTHENTICITY
Electronic codebook; Cipher-block chaining; Cipher feedback; Output feedback; Cipher Block Chaining; Counter mode; Modes of operation; CTR mode; Output feedback mode; Cipher block chaining; Block ciphers mode of operation; Electronic code book; CBC mode of operation; Block cipher modes; Block cipher mode; Cipher mode; Cipher modes; Enciphering scheme; Ciphertext feedback mode; Encryption mode; Mode of operation; ECB mode; OFB mode; Block cipher modes of operation; Mode of operation\; Block cypher mode; CBC mode; CFB mode; Cipher feedback mode; Electronic Codebook; AES-CBC; AES-CTR
  • Cipher block chaining (CBC) mode decryption
  • Cipher block chaining (CBC) mode encryption
  • CBC example with a toy 2-bit cipher
  • GCM encryption operation
  • Propagating cipher block chaining (PCBC) mode decryption
  • Propagating cipher block chaining (PCBC) mode encryption
  • CBC example with a toy 2-bit cipher

CFB mode         
(cipher feedback mode) режим обратной связи от шифротекста (в алгоритме DES)
electronic code book         
See: ECB
output feedback         
обратная связь от выхода (в алгоритме DES)

Ορισμός

CFB
Cipher FeedBack [Additional explanations: mode] (Reference: cryptography, DES)

Βικιπαίδεια

Block cipher mode of operation

In cryptography, a block cipher mode of operation is an algorithm that uses a block cipher to provide information security such as confidentiality or authenticity. 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. A mode of operation describes how to repeatedly apply a cipher's single-block operation to securely transform amounts of data larger than a block.

Most modes require a unique binary sequence, often called an initialization vector (IV), for each encryption operation. The IV has to be non-repeating and, for some modes, random as well. The initialization vector is used to ensure distinct ciphertexts are produced even when the same plaintext is encrypted multiple times independently with the same key. Block ciphers may be capable of operating on more than one block size, but during transformation the block size is always fixed. Block cipher modes operate on whole blocks and require that the last part of the data be padded to a full block if it is smaller than the current block size. There are, however, modes that do not require padding because they effectively use a block cipher as a stream cipher.

Historically, encryption modes have been studied extensively in regard to their error propagation properties under various scenarios of data modification. Later development regarded integrity protection as an entirely separate cryptographic goal. Some modern modes of operation combine confidentiality and authenticity in an efficient way, and are known as authenticated encryption modes.

Μετάφραση του &#39CFB mode&#39 σε Ρωσικά