'Cipher feedback mode cfb' presentation slideshows

More on Cryptography CS 136 Computer Security Peter Reiher October 14, 2014

More on Cryptography CS 136 Computer Security Peter Reiher October 14, 2014. Outline. Desirable characteristics of ciphers Stream and block ciphers Cryptographic modes Uses of cryptography Symmetric and asymmetric cryptography Digital signatures. Desirable Characteristics of Ciphers.

827 views • 69 slides

Computer Security Basic Crypto

Computer Security Basic Crypto. Introduction. Cryptosystem: ( E,D,M,K,C) M is the set of plaintexts K the set of keys C the set of ciphertexts E: M ? K ? C the set of enciphering functions

635 views • 49 slides

Block Cipher Modes of Operation and Stream Ciphers

416 views • 37 slides

More on Cryptography CS 236 On-Line MS Program Networks and Systems Security Peter Reiher

More on Cryptography CS 236 On-Line MS Program Networks and Systems Security Peter Reiher. Outline. Desirable characteristics of ciphers Stream and block ciphers Cryptographic modes Uses of cryptography Symmetric and asymmetric cryptography Digital signatures.

396 views • 29 slides

Stream and Block Ciphers

Stream and Block Ciphers. Stream ciphers convert one symbol of plaintext immediately into one symbol of ciphertext Block ciphers work on a given sized chunk of data at a time. fsn. f. fs. fsnar. fsna. f. s. n. T. a. r. Stream Ciphers. Key. e. fsnarT. m. r. q. z.

503 views • 21 slides

Stream and Block Ciphers

Stream and Block Ciphers. Stream ciphers convert one symbol of plaintext immediately into one symbol of ciphertext Block ciphers work on a given sized chunk of data at a time. fsn. f. fs. fsnar. fsna. f. s. n. T. a. r. Stream Ciphers. Key. e. fsnarT. m. r. q. z.

646 views • 18 slides