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More on Cryptography CS 136 Computer Security Peter Reiher October 7, 2010

More on Cryptography CS 136 Computer Security Peter Reiher October 7, 2010

More on Cryptography CS 136 Computer Security Peter Reiher October 7, 2010. Outline. Desirable characteristics of ciphers Stream and block ciphers Cryptographic modes Uses of cryptography Symmetric and asymmetric cryptography Digital signatures. Desirable Characteristics of Ciphers.

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842 views • 71 slides
More on Cryptography CS 136 Computer Security Peter Reiher October 9, 2012

More on Cryptography CS 136 Computer Security Peter Reiher October 9, 2012

More on Cryptography CS 136 Computer Security Peter Reiher October 9, 2012. Outline. Desirable characteristics of ciphers Stream and block ciphers Cryptographic modes Uses of cryptography Symmetric and asymmetric cryptography Digital signatures. Desirable Characteristics of Ciphers.

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817 views • 69 slides
More on Cryptography CS 136 Computer Security Peter Reiher October 14, 2014

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.

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823 views • 69 slides
Stream and Block Ciphers

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.

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500 views • 21 slides

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