block cipher based mac
11Topics in cryptography — This article is intended to be an analytic glossary , or alternatively, an organized collection of annotated pointers.Classical ciphers*Autokey cipher *Permutation cipher*Polyalphabetic substitution **Vigenère cipher*Polygraphic substitution… …
12Outline of cryptography — See also: Index of cryptography articles The following outline is provided as an overview of and topical guide to cryptography: Cryptography (or cryptology) – practice and study of hiding information. Modern cryptography intersects the… …
13Кнудсен, Ларс — Ларс Рамкильд Кнудсен англ. Lars Ramkilde Knudsen …
14Cryptographic hash function — A cryptographic hash function (specifically, SHA 1) at work. Note that even small changes in the source input (here in the word over ) drastically change the resulting output, by the so called avalanche effect. A cryptographic hash function is a… …
15Message authentication code — In cryptography, a message authentication code (often MAC) is a short piece of information used to authenticate a message. A MAC algorithm, sometimes called a keyed (cryptographic) hash function, accepts as input a secret key and an arbitrary… …
16Timing attack — In cryptography, a timing attack is a side channel attack in which the attacker attempts to compromise a cryptosystem by analyzing the time taken to execute cryptographic algorithms. The attack exploits the fact that every operation in a computer …
17OCB mode — (Offset Codebook Mode) is a mode of operation for cryptographic block ciphers. Contents 1 Encryption and authentication 2 Performance 3 Patents 4 See also …
18CCM mode — (Counter with CBC MAC) is a mode of operation for cryptographic block ciphers. It is an authenticated encryption algorithm designed to provide both authentication and privacy. CCM mode is only defined for block ciphers with a block length of 128… …
19crypt (Unix) — In Unix computing, crypt is the name of both a utility program and a C programming function. Though both are used for encrypting data, they are otherwise essentially unrelated. To distinguish between the two, writers often refer to the utility… …
20HMAC — SHA 1 HMAC Generation. In cryptography, HMAC (Hash based Message Authentication Code) is a specific construction for calculating a message authentication code (MAC) involving a cryptographic hash function in combination with a secret key. As with …
