CUBE
description
Transcript of CUBE
![Page 1: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/1.jpg)
Secure VoIP
![Page 2: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/2.jpg)
Outline
Who? CUBE Members
Why? Motivation
What? Project Description
How? Design and Implementation
![Page 3: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/3.jpg)
Outline
Who? CUBE Members
Why? Motivation
What? Project Description
How? Design and Implementation
![Page 4: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/4.jpg)
CUBE
Hakan Nizamoğlu
Yiğitalp ErtemSaim
Güveloğlu
Murat Toprak
![Page 5: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/5.jpg)
Outline
Who? CUBE Members
Why? Motivation
What? Project Description
How? Design and Implementation
![Page 6: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/6.jpg)
Costs
•Same operator fee : 0.47 TL / min
• Other operators : 0.64 TL / min
• Turk Telekom : 0.60 TL / min
• Text message fee : 0.30 TL / message
![Page 7: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/7.jpg)
Who is on the phone?
![Page 8: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/8.jpg)
SecurityProblem of both telephony and internet
communication. No solution for PSTNs or GSMs
What are the problems on internet? Man-in-the-middle attack Administrator as Big Brother
![Page 9: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/9.jpg)
Outline
Who? CUBE Members
Why? Motivation
What? Project Description
How? Design and Implementation
![Page 10: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/10.jpg)
Project DescriptionSecure VoIP
VoIP stands for “Voice over Internet Protocol”
Aims low cost and secure communication No extra cost other than internet fee Data can be encrypted
Targets from companies, military, government to home users
![Page 11: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/11.jpg)
VoIP Usage
![Page 12: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/12.jpg)
VoIP with external device
![Page 13: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/13.jpg)
Project DescriptionSecure VoIP
VoIP stands for “Voice over Internet Protocol”
Aims low cost and secure communication No extra cost other than internet fee Data can be encrypted
Targets from companies, military, government to home users
![Page 14: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/14.jpg)
Project DescriptionSecure VoIP
VoIP stands for “Voice over Internet Protocol”
Aims low cost and secure communication No extra cost other than internet fee Data can be encrypted
Targets from companies, military, government to home users
![Page 15: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/15.jpg)
Outline
Who? CUBE Members
Why? Motivation
What? Project Description
How? Design and Implementation
![Page 16: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/16.jpg)
FPGA Board
• Input Device : Microphone• Output Device : Speaker• Single board computer• Encryption on board CPU•Data Transfer over Ethernet
![Page 17: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/17.jpg)
Asterisk
PBX Software Short for “private branch exchange”
Bridge between endpoints Routs the data
Open Source Telephony Project used by small businesses, large businesses, call centers,
carriers and governments
![Page 18: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/18.jpg)
![Page 19: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/19.jpg)
Technologies
JAVA
Asterisk
Embedded Linux Kernel 2.6
FPGA Board
SIP / RTP / UDP Protocols
![Page 20: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/20.jpg)
Referenceshttp://www.voip-info.org/wiki/view/What+is+V
OIPhttp://www.economist.com/world/europe/displ
aystory.cfm?story_id=14921383http://www.turkcell.com.tr/bireysel/tarifeler/fa
turali/digertarifeler/tarifesaniye“VoIP and Skype Security”, Simson L.
Garfinkel “Network Protocols Handbook”, Javvin
Technologies, INC
![Page 21: CUBE](https://reader035.fdocuments.us/reader035/viewer/2022070502/56814d03550346895dba2c52/html5/thumbnails/21.jpg)
Thanks for your attention.
You are welcome to ask questions.