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SSL Protocol Figures used in the presentation

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Presentation on theme: "SSL Protocol Figures used in the presentation"— Presentation transcript:

1 SSL Protocol Figures used in the presentation
Presented by: Miao Zhang Course: CISC856 TCP/IP and Upper Layer Protocols Apr

2 HTTP SSL-Handshake SSL-ChangeCipher-Spec
SSL Record Protocol HTTP TCP IP Data Link

3 SSL Handshake protocol SSL Change Cipher Spec Protocol
SSL Alert Protocol HTTP SSL Record Protocol TCP IP

4 TCP Application A-PDU Fragment 16384 or less 16384 or less
Compress lossless Add Message Authorization Code (MAC) TCP Encrypt Add PCI SSL PDU

5 Content type Major version Minor version Compressed length Text MAC SSL PCI Encrypted Text Encrypted MAC

6 Time Client Server client_hello Phase 1: Establish security capabilities. server_hello certificate Phase 2: Server may send certificate, key exchange, and request certificate. Server signals end of hello message phase. server_key_exchage certificate_request server_hello_done certificate Phase 3: Client sends certificate if requested. Client sends key exchange. Clent may send certificate verification. client_key_exchange certificate_verify change_cipher_spec Phase 4: Change cipher suite and finish handshake protocol. finished change_cipher_spec finished required optional

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