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Applied cryptography: encryption and digital signature Secretkey encryption: AES Publickey encryptio PowerPoint PPT Presentation

Applied cryptography: encryption and digital signature Secretkey encryption: AES Publickey encryptio - Eve: eavesdropper. eavesdropper. Alice. Bob. How are you? This is Alice. 2001/12/26 ... Alice and Bob use KA,B for secure communication, where KA,B is known to ...

Eve: eavesdropper. eavesdropper. Alice. Bob. How are you? This is Alice. 2001/12/26 ... Alice and Bob use KA,B for secure communication, where KA,B is known to ...

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Confidentiality with Secretkey Ciphers PowerPoint PPT Presentation

Confidentiality with Secretkey Ciphers - A key is selected by A and sent to B physically. A third party selects a key and sends it to A and B physically. ... Random number generators (cont. ...

A key is selected by A and sent to B physically. A third party selects a key and sends it to A and B physically. ... Random number generators (cont. ...

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SSL / TLS Case Study PowerPoint PPT Presentation

SSL / TLS Case Study - ... CipherSuite cipher_suites; CompressionMethod compression_methods ... for encryption , signatures, hashes ... RFC to Murj Model TLS Basics TLS consists of two ...

... CipherSuite cipher_suites; CompressionMethod compression_methods ... for encryption , signatures, hashes ... RFC to Murj Model TLS Basics TLS consists of two ...

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Resource Sharing of Portable Computers Using Wireless Communication PowerPoint PPT Presentation

Resource Sharing of Portable Computers Using Wireless Communication - Ad Hoc On-Demand Distance Vector (AODV) Comparison of Routing Protocols. Packet Delivery Ratio ... http://www.wired.com/news/business/0,1367,56350,00.html. Conclusion ...

Ad Hoc On-Demand Distance Vector (AODV) Comparison of Routing Protocols. Packet Delivery Ratio ... http://www.wired.com/news/business/0,1367,56350,00.html. Conclusion ...

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SSL / TLS Case Study - Chosen Ciphertext Attacks against Protocols Based on RSA Encryption ... Murj code RFC TLS Basics TLS consists of two ... compression _methods ...

Chosen Ciphertext Attacks against Protocols Based on RSA Encryption ... Murj code RFC TLS Basics TLS consists of two ... compression _methods ...

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SSL/TLS Analysis PowerPoint PPT Presentation

SSL/TLS Analysis - Start with the RFC describing the protocol. Create an abstract model and code ... participants and the intruder define a nondeterministic state transition graph ...

Start with the RFC describing the protocol. Create an abstract model and code ... participants and the intruder define a nondeterministic state transition graph ...

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SSL / TLS Case Study - Lectures on case studies (protocols and tools) Friday sections, 2:15 in Thornton 102 ... Protocol analysis case study. Start with the RFC describing the protocol ...

Lectures on case studies (protocols and tools) Friday sections, 2:15 in Thornton 102 ... Protocol analysis case study. Start with the RFC describing the protocol ...

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SSL / TLS Case Study - SSL / TLS Case Study. CS 259. Lecture 2 (January 8, 2004) Overview ... Protocol analysis case study. Start with the RFC describing the protocol ...

SSL / TLS Case Study. CS 259. Lecture 2 (January 8, 2004) Overview ... Protocol analysis case study. Start with the RFC describing the protocol ...

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SSL / TLS Case Study - SSL / TLS Case Study. CS 395T. Overview. Introduction to the SSL / TLS protocol ... Protocol analysis case study. Start with the RFC describing the protocol ...

SSL / TLS Case Study. CS 395T. Overview. Introduction to the SSL / TLS protocol ... Protocol analysis case study. Start with the RFC describing the protocol ...

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SSL / TLS Case Study - TECS Week 2005 SSL / TLS Case Study John Mitchell Stanford Reference: http://www.stanford.edu/class/cs259/ Overview Introduction to the SSL / TLS protocol Widely ...

TECS Week 2005 SSL / TLS Case Study John Mitchell Stanford Reference: http://www.stanford.edu/class/cs259/ Overview Introduction to the SSL / TLS protocol Widely ...

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SSL / TLS Case Study - De facto standard for Internet security 'The primary goal of the TLS protocol ... preferences in the hello messages to invisibly force both endpoints to use a ...

De facto standard for Internet security 'The primary goal of the TLS protocol ... preferences in the hello messages to invisibly force both endpoints to use a ...

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SSL / TLS Case Study - Ignore client authentication. Ignore verification messages at the end of the handshake protocol. Model only ... Ignores bit length of keys, random numbers, etc. ...

Ignore client authentication. Ignore verification messages at the end of the handshake protocol. Model only ... Ignores bit length of keys, random numbers, etc. ...

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CS255 Programming Project 1 PowerPoint PPT Presentation

CS255 Programming Project 1 - CS255 Programming Project 1. Programming Project 1. Due: Friday Feb 8th (11:59pm) ... Simple, unpolished SWT. List of resource names. Create new RN/password with ^N ...

CS255 Programming Project 1. Programming Project 1. Due: Friday Feb 8th (11:59pm) ... Simple, unpolished SWT. List of resource names. Create new RN/password with ^N ...

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Cryptography PowerPoint PPT Presentation

Cryptography - Secret Key shared piece of secret information used to protect a larger set of data. ... Great for securely persisting objects which can be serialized. ...

Secret Key shared piece of secret information used to protect a larger set of data. ... Great for securely persisting objects which can be serialized. ...

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MT311 (Oct 2004) Java Application Development PowerPoint PPT Presentation

MT311 (Oct 2004) Java Application Development - MT311 (Oct 2004) Java Application Development Java Security, Cryptography, Authentication, PKI, Digital Signature & SSL Tutorial 4 Tutor Information Edmund Chiu ...

MT311 (Oct 2004) Java Application Development Java Security, Cryptography, Authentication, PKI, Digital Signature & SSL Tutorial 4 Tutor Information Edmund Chiu ...

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CS255 Programming Project 1 - Don't use the same key to encrypt and MAC ! ... Cosmetics. Coding style. Efficiency. Submitting. README file. Names, student IDs ...

Don't use the same key to encrypt and MAC ! ... Cosmetics. Coding style. Efficiency. Submitting. README file. Names, student IDs ...

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Type Based Distributed Access Control PowerPoint PPT Presentation

Type Based Distributed Access Control - Local Access Control restricts access to data. ... protected by access restrictions. Labels are sets of key names. Access restricted to intersection of policies ...

Local Access Control restricts access to data. ... protected by access restrictions. Labels are sets of key names. Access restricted to intersection of policies ...

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GS: Chapter 5 Asymmetric Encryption in Java PowerPoint PPT Presentation

GS: Chapter 5 Asymmetric Encryption in Java - The ECB (Electronic Code Book) mode encrypts the plaintext a block at a time. ... For each of the correspondents in the key exchange, doPhase needs to be called. ...

The ECB (Electronic Code Book) mode encrypts the plaintext a block at a time. ... For each of the correspondents in the key exchange, doPhase needs to be called. ...

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SSL/TLS Analysis - Lost in the mists of time SSL 2.0 Published by Netscape, November 1994 Several problems (next ) SSL 3.0 Designed by Netscape and Paul Kocher, ...

Lost in the mists of time SSL 2.0 Published by Netscape, November 1994 Several problems (next ) SSL 3.0 Designed by Netscape and Paul Kocher, ...

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Cours 2 - Cours 2 - UPMC ... Cours 2

Cours 2 - UPMC ... Cours 2

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WEB SECURITY USING XML ENCRYPTION PowerPoint PPT Presentation

WEB SECURITY USING XML ENCRYPTION - The XML Signature technology was developed by the XML-DSig ... Before the signature digest is created for a document, it is transformed to canonical XML. ...

The XML Signature technology was developed by the XML-DSig ... Before the signature digest is created for a document, it is transformed to canonical XML. ...

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Type Based Distributed Access Control - Joint work with Dominic Duggan (Stevens) and Jan Vitek ... Then e2 can also be declassified! Key Type Rules. New names are created by the right principal. ...

Joint work with Dominic Duggan (Stevens) and Jan Vitek ... Then e2 can also be declassified! Key Type Rules. New names are created by the right principal. ...

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CS255 - Block cipher (PRP), PRG, MAC, Cryptographic hash. Java Cryptography Extension ... Cosmetics. Coding style. Efficiency. Stuck? Use the newsgroup (su.class.cs255) ...

Block cipher (PRP), PRG, MAC, Cryptographic hash. Java Cryptography Extension ... Cosmetics. Coding style. Efficiency. Stuck? Use the newsgroup (su.class.cs255) ...

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Diapositive 1 PowerPoint PPT Presentation

Diapositive 1 - Public void write(byte[] data, int offset, int length) throws IOException ... threads: plusieurs activit s qui coexistent et partagent des donn es ...

Public void write(byte[] data, int offset, int length) throws IOException ... threads: plusieurs activit s qui coexistent et partagent des donn es ...

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Building Medium Size Projects' PowerPoint PPT Presentation

Building Medium Size Projects' - 'Early optimization is the root of all evil.' Quote from Henessy and Patterson. ... the evils of early optimization. Understand Exceptions ...

'Early optimization is the root of all evil.' Quote from Henessy and Patterson. ... the evils of early optimization. Understand Exceptions ...

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Security Protocol Specification Languages PowerPoint PPT Presentation

Security Protocol Specification Languages - Security Protocol Specification Languages Iliano Cervesato iliano@itd.nrl.navy.mil ITT Industries, Inc @ NRL Washington DC http://www.cs.stanford.edu/~iliano/

Security Protocol Specification Languages Iliano Cervesato iliano@itd.nrl.navy.mil ITT Industries, Inc @ NRL Washington DC http://www.cs.stanford.edu/~iliano/

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Cryptography Chapter 8 PowerPoint PPT Presentation

Cryptography Chapter 8 - Cryptography Chapter 8 cs490ns-cotter *

Cryptography Chapter 8 cs490ns-cotter *

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Analysis of Security Protocols IV PowerPoint PPT Presentation

Analysis of Security Protocols IV - KS. Master(NC, NS, SecretC) Master(NC, NS, SecretC) Begin with ... KS. Summary of Reconstruction. A = Basic protocol. C = A certificates for public keys ...

KS. Master(NC, NS, SecretC) Master(NC, NS, SecretC) Begin with ... KS. Summary of Reconstruction. A = Basic protocol. C = A certificates for public keys ...

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Security Protocol Specification Languages - Example (Needham-Schroeder) Properties. Evaluation. Security Protocol Specification Languages ... Needham-Schroeder Protocol. Devised in '78. Example of weak ...

Example (Needham-Schroeder) Properties. Evaluation. Security Protocol Specification Languages ... Needham-Schroeder Protocol. Devised in '78. Example of weak ...

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JavaScript - Warn users their Web browsers do not understand JavaScript NOSCRIPT ... INPUT TYPE=button NAME=button1 Value='Don't Press!'onclick='alert( Don't Press Me' ...

Warn users their Web browsers do not understand JavaScript NOSCRIPT ... INPUT TYPE=button NAME=button1 Value='Don't Press!'onclick='alert( Don't Press Me' ...

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GS: Chapter 4 Symmetric Encryption in Java PowerPoint PPT Presentation

GS: Chapter 4 Symmetric Encryption in Java - ... generated, the same KeyGenerator object can be re-used to ... Blowfish keys can be any bit size from 8 to 448, as long as the number if divisible by 8. ...

... generated, the same KeyGenerator object can be re-used to ... Blowfish keys can be any bit size from 8 to 448, as long as the number if divisible by 8. ...

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9 Ways to Hack a Web App PowerPoint PPT Presentation

9 Ways to Hack a Web App - Cross-site scripting (80 per cent) SQL injection (62 per cent) Parameter tampering (60 per cent) ... (37 per cent) Database server (33 per cent) Web server (23 ...

Cross-site scripting (80 per cent) SQL injection (62 per cent) Parameter tampering (60 per cent) ... (37 per cent) Database server (33 per cent) Web server (23 ...

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GS: Chapter 3 Encryption, Authentication and Java Cryptography PowerPoint PPT Presentation

GS: Chapter 3 Encryption, Authentication and Java Cryptography - An algorithm (or cipher) and a key are required in order to ... Blowfish: a faster and more secure replacement of DES. RC4 (Rivest's Code 4): a stream cipher ...

An algorithm (or cipher) and a key are required in order to ... Blowfish: a faster and more secure replacement of DES. RC4 (Rivest's Code 4): a stream cipher ...

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Cisco Router/Switch Hardening Colorado Springs Cisco Users Group April 8, 2003 PowerPoint PPT Presentation

Cisco Router/Switch Hardening Colorado Springs Cisco Users Group April 8, 2003 - Title: Cisco Router Hardening - Cisco Users Group Author: William Gilmore and Scott Hogg Last modified by: WhiteChri Created Date: 1/9/2003 12:55:39 PM

Title: Cisco Router Hardening - Cisco Users Group Author: William Gilmore and Scott Hogg Last modified by: WhiteChri Created Date: 1/9/2003 12:55:39 PM

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GS: Chapter 3 Encryption, Authentication and Java Cryptography - Title: Case Study: A Forensic Lesson for Web Security (MSS, part one) Author: T. Andrew Yang Last modified by: Yang Created Date: 1/15/2003 4:02:36 AM

Title: Case Study: A Forensic Lesson for Web Security (MSS, part one) Author: T. Andrew Yang Last modified by: Yang Created Date: 1/15/2003 4:02:36 AM

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Web Application Security La nueva generacion de ataques blackhat PowerPoint PPT Presentation

Web Application Security La nueva generacion de ataques blackhat - Web Application Security. La nueva generacion de ataques blackhat ... HTTP reply (HTML, JavaScript, VBScript, etc.) HTTP request. Clear-text or SSL. Apache ...

Web Application Security. La nueva generacion de ataques blackhat ... HTTP reply (HTML, JavaScript, VBScript, etc.) HTTP request. Clear-text or SSL. Apache ...

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Cisco Router/Switch Hardening Southern Colorado Cisco Users Group April 14, 2003 PowerPoint PPT Presentation

Cisco Router/Switch Hardening Southern Colorado Cisco Users Group April 14, 2003 - CBAC only supports TCP and UDP Supported protocol-based inspection for the following: CU-SeeMe FTP H.323 (NetMeeting, ProShare) HTTP (Java blocking) Java Microsoft ...

CBAC only supports TCP and UDP Supported protocol-based inspection for the following: CU-SeeMe FTP H.323 (NetMeeting, ProShare) HTTP (Java blocking) Java Microsoft ...

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Cisco RouterSwitch Hardening Southern Colorado Cisco Users Group April 14, 2003 - To allow outbound UNIX/Cisco Traceroute: ... Security-specific option for Cisco IOS software ... Enriches existing Cisco IOS security capabilities ...

To allow outbound UNIX/Cisco Traceroute: ... Security-specific option for Cisco IOS software ... Enriches existing Cisco IOS security capabilities ...

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Cisco RouterSwitch Hardening Colorado Springs Cisco Users Group April 8, 2003 - Authentication proxy (for dynamic, user-based authentication and authorization) ... ip auth-proxy mywebproxy. access-list 116 permit tcp any any eq www ...

Authentication proxy (for dynamic, user-based authentication and authorization) ... ip auth-proxy mywebproxy. access-list 116 permit tcp any any eq www ...

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Security - Convert Keys to Key specs (or vice versa) Work only on secret (symmetric) keys ... (keystore loc: c:documents and settingscar, default password is changeIt) ...

Convert Keys to Key specs (or vice versa) Work only on secret (symmetric) keys ... (keystore loc: c:documents and settingscar, default password is changeIt) ...

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650'412 Java Security PowerPoint PPT Presentation

650'412 Java Security - soap:binding style='rpc' transport='http://schemas.xmlsoap.org/soap/http'/ operation name='sayHello' soap:operation soapAction='http://www.helloWSDL/sayHello' ...

soap:binding style='rpc' transport='http://schemas.xmlsoap.org/soap/http'/ operation name='sayHello' soap:operation soapAction='http://www.helloWSDL/sayHello' ...

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SSL TLS Case Study - ... feeds padding bytes into the MAC in block cipher modes, but leaves the padding ... Model only essential parts of messages (e.g., ignore padding) ...

... feeds padding bytes into the MAC in block cipher modes, but leaves the padding ... Model only essential parts of messages (e.g., ignore padding) ...

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Secretkey PowerPoint PPT Presentations