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Documents Sicherheit in Computernetzen Georg Krapp, Sebastian Jansen Proseminar Internetprotokolle WS 04/05...

Folie 1 Sicherheit in Computernetzen Georg Krapp, Sebastian Jansen Proseminar Internetprotokolle WS 04/05 Proseminar Internetprotkolle WS 04/05 Teil 1 - Sebastian Jansen(242940)…

Documents Digital Signature

1.Digital Signature Integrity Authentication Unforgeable Non-repudiation2. Conventional signatureVS. Digital signature A signature is physically part of the document being…

Documents Week 3 - Friday. What did we talk about last time? AES Public key cryptography.

Slide 1 Week 3 - Friday Slide 2  What did we talk about last time?  AES  Public key cryptography Slide 3 Slide 4 Slide 5 Slide 6 Matt Shank Slide 7 Slide 8  RSA…

Documents Information Security Methods and Practices in Classical and Quantum Regimes.

Slide 1Information Security Methods and Practices in Classical and Quantum Regimes Slide 2 Cryptography What’s that mean? ▫Kryptos: hidden, secret ▫Gráphō: to write…

Documents CNS2010handout 10 :: digital signatures1 computer and network security matt barrie.

Slide 1 CNS2010handout 10 :: digital signatures1 computer and network security matt barrie Slide 2 CNS2009handout 10 :: digital signatures2 signatures Used to bind an author…

Documents CMSC 414 Computer and Network Security Lecture 7 Jonathan Katz.

Slide 1 CMSC 414 Computer and Network Security Lecture 7 Jonathan Katz Slide 2 Malleability/chosen-ciphertext security  All the public-key encryption schemes we have seen…

Documents cryptography Readings

cryptography Readings Encryption, Decryption, & Digital Certificates RIVESTSHAMIRADLEMAN Problem Exchanging Key for encryption securely Signing a message (proving the…

Documents Encryption, continued

Encryption, continued Public Key encryption and Digital Signatures Public Key encryption Eliminates the need to deliver a key Two keys: one for encoding, one for decoding…

Documents Insec

Internetwork Security 1 Prof. Dr. Thomas Schmidt http:/www.informatik.haw-hamburg.de/~schmidt Why Network Security Layers? Fundamentals of Encryption Network Security Layer…

Documents Self Protecting Cryptosystems

Self Protecting Cryptosystems Moti Yung Columbia University/ RSA Labs Key Exposure The security of most cryptosystems relies crucially on some secret information (keys) What…