csce201-lect3 - CSCE201 CSCE201 Identificationand...

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CSCE 201 CSCE 201 Identification and  Identification and  Authentication  Authentication  Fall 2010 Fall 2010
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CSCE 201 - Farkas 2 Required reading list: An Introduction to Computer Security: The NIST Handbook, http://csrc.nist.gov/publications/nistpubs/800-12/handbook.pdf : Chapter 16, IDENTIFICATION AND AUTHENTICATION, pages 180-192 Recommended: Biometrics, from Wikipedia, the free encyclopedia, http://en.wikipedia.org/wiki/Biometrics John the Ripper password cracker http://www.openwall.com/john/ Brutus the remote password cracker http://www.hoobie.net/brutus/
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CSCE 201 - Farkas 3
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CSCE 201 - Farkas 4 Identification Identification Something you know Something you own Who you are What you are Where you are
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CSCE 201 - Farkas 5 Identification Identification Allows an entity (a user or a system) to prove its identity to another entity Typically, the entity whose identity is verified reveals knowledge of some secret S to the verifier Strong authentication : the entity reveals knowledge of S to the verifier without revealing S to the verifier
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CSCE 201 - Farkas 6 Identification Information Identification Information Must be securely maintained by the system.
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CSCE 201 - Farkas 7 Authentication Authentication Authentication mechanism : verifies the identification information Access control mechanism : grant privileges upon successful authentication Logging : record security relevant events in an audit trail
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