L36-SSL-TLS - Secure Socket Layer Protocol Secure Socket...

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Unformatted text preview: Secure Socket Layer Protocol Secure Socket Layer Protocol Secure communication over the Internet Secure communication over the Internet What is SSL? What is SSL? • SSL is the most commonly deployed protocol for secure connections to web servers • For example, if you want to buy a book at amazon.com – You want to be sure you are dealing with Amazon (authentication) – Your credit card information must be protected in transit (confidentiality and/or integrity) – As long as you have money, Amazon doesn’t care who you are (authentication need not be mutual) Brief History of SSL Brief History of SSL • Netscape introduced SSL v1 in Navigator 1.x • Microsoft picked up SSL in IE • Versions 1 and 2 of SSL were badly broken! • SSL 3 became IETF standard, renamed “Transport Layer Security”(TLS) Common Themes Common Themes • Peer negotiation for algorithm support – the client and server negotiation uses cryptographic algorithms....
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This note was uploaded on 09/15/2010 for the course CSE IT325 taught by Professor Maniklaldas during the Spring '09 term at Punjab Engineering College.

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L36-SSL-TLS - Secure Socket Layer Protocol Secure Socket...

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