Key generators - PowerPoint PPT Presentation

Stream Cipher

Stream Cipher. Stream Cipher. A stream cipher breaks the message M into successive characters or bits m 1 , m 2 , ..., and enciphers each m i with the ith element k i of a key stream K=k 1 k 2 ...; that is, E K (M)=E k1 (m 1 )E k2 (m 2 ). Periodic.

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Cracking WEP Keys

Cracking WEP Keys. Applying known techniques to WEP Keys Tim Newsham. Introduction. Developed WEP key cracking software Dictionary attack on the key generators Dictionary attack on raw keys Brute force of the 64-bit key generator Analyzed Key Generators

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417 views • 35 slides

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