Wireshark-dev: [Wireshark-dev] [TLS parser]Help seeking idea to write TLS parser in basic way
hello SirGood morning!
i have a own netanalyzer [developed libpcap on linux c/c++]that works like kind of wireshark. the net analyzer developed by other team up to tcp parser and i need to write tls parser which parse following field values i have developed a TLS decryption system taking field values from analyzer like client random, server random etc. these are static. for totally automation /dynamic i need write a tls parser code for triggering automatic those field value fetching into my decryption tool.
currently i am seeking information or idea how should i start to write TLS parser. i have no idea before that. a basic page example link or explanation would be great help.
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need to Parse
the following SSL fields first to see field name and values on
command line and Hex data as stream and pass following selected
values to the decryption as String :
Handshake
Protocol: Client Hello
Content
type: Handshake
Version:
Random:
( pasre value as HEX stream and pass it to the decryption routine as
String.)
Cipher Suites and lists
Handshake
Protocol:Server Hello
Content
type: Handshake
Version:
Random:
( pasre value as HEX stream and pass it to the decryption routineas
String .)
Cipher Suites and lists
Handshake
Protocol:Certificate
Content
type: Handshake
Version:
Handshake
Protocol:Server Key exchange
EC
Diffie-Hellman Server Params
Pubkey:
signature
Handshake
Protocol: Encrypted Handshake message
Content
type: Handshake
parse
last encrypted handshake message as HEX stream and pass it to the
decryption routine as String.
Handshake
Protocol: Application Data Protocol
Content
type:
Version:
Encrypted Application data client and server side( parse value as HEX
stream and pass it to the decryption routine as String.)
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Thanks in advance.
Kind Regards,
Samsuddin Sikder
Masters Student
M.Sc. in Communication Systems Engineering
Cologne University of Applied Sciences (FH-Köln),Germany
