Certificate chains - PowerPoint PPT Presentation

CMSC 414 Computer and Network Security Lecture 21

CMSC 414 Computer and Network Security Lecture 21. Jonathan Katz. Revocation. Revocation is a key component of a PKI Secret keys stolen/compromised, user leaves organization, etc. This is in addition to expiration dates included in certificates

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182 views • 16 slides

Sequential Aggregate Signatures and Multisignatures Without Random Oracles

Sequential Aggregate Signatures and Multisignatures Without Random Oracles. Steve Lu, Rafail Ostrovsky, Amit Sahai, Hovav Shacham, and Brent Waters. Secure BGP. BGP “Speakers” send path updates messages S-BGP sequence of messages + sigs. 4096 byte size limit. (M1,  1 ).

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235 views • 15 slides

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