7/21/2019 Securing Underwater Wireless Communication Network

1/17

7/21/2019 Securing Underwater Wireless Communication Network

2/17

Introduction

History

Underwater Wireess Co!!unication Tec"#

Attac$s and counter !easures

Necessity o% Underwater WireessCo!!unication

Concusion

Re%erences

OUTLINE

7/21/2019 Securing Underwater Wireless Communication Network

3/17

Underwater wireess co!!unication is

t"e wireess co!!unication in w"ic"acoustic si&nas 'wa(es) carry di&itain%or!ation t"rou&" an underwater c"anne#

T"e si&na t"at are used to carry di&itain%or!ation t"rou&" an underwater c"anneare acoustic c"anne#

INTRODUCTION

7/21/2019 Securing Underwater Wireless Communication Network

4/17

T"e science o% underwater acoustics *e&an in +,-./w"en Leonardo Da 1inci/ stated#

In +234 Isaac Newton wrote "is Mat"e!atica5rinci6es o% Natura 5"ioso6"y w"ic" incuded t"e7rst !at"e!atica treat!ent o% sound in water#

HISTORY

7/21/2019 Securing Underwater Wireless Communication Network

5/17

Radio wa(es do not 6ro6a&ate we

underwater due to t"e "i&" ener&ya*sor6tion o% water#

T"ere%ore/ underwater co!!unication are

*ased on acoustic in$s c"aracteri8ed *yar&e 6ro6a&ation deays#

Acoustic c"annes "a(e ow *andwidt"#

Underwater Wireless CommunicationTechnology

7/21/2019 Securing Underwater Wireless Communication Network

6/17

T"e si&na t"at are used to carry di&ita in%or!ation

t"rou&" an underwater c"anne are acoustic c"anne#

T"e 6ro6a&ation s6eed o% acoustic si&nas in water isty6icay +9.. !:s#

It cannot rey on t"e Go*a 5ositionin& Syste! 'G5S)#

Underwater Wireless CommunicationTechnology

7/21/2019 Securing Underwater Wireless Communication Network

7/17

T"e si&na t"at are used to carry di&ita in%or!ation

t"rou&" an underwater c"anne are acoustic c"anne#

T"e 6ro6a&ation s6eed o% acoustic si&nas in water isty6icay +9.. !:s#

It cannot rey on t"e Go*a 5ositionin& Syste! 'G5S)#

Underwater Wireless CommunicationTechnology

7/21/2019 Securing Underwater Wireless Communication Network

8/17

T"is is an !uti6at"6ro6a&ation in water#

In s"aow water/ !uti6at"occurs due to si&na re;ection%ro! t"e sur%ace and *otto!#

In dee6 water/ it occurs dueto ray *endin

WAVE ROA!ATIO"

7/21/2019 Securing Underwater Wireless Communication Network

9/17

7/21/2019 Securing Underwater Wireless Communication Network

10/17

ATTAC#S A"$ COU"TER %EASURES&&'

7/21/2019 Securing Underwater Wireless Communication Network

11/17

Met"od o% Attac$

T"e trans!ission o% data 6ac$etscontinuousy so t"at t"e wireess c"anne&et co!6etey *oc$ed#

Counter!easures

S6read s6ectru! tec"ni

7/21/2019 Securing Underwater Wireless Communication Network

12/17

%ethod o( attac)

>ase nei&"*or"oodreations"i6 are

created##

Countermeasures

Esti!atin& t"edirection o% arri(a?

Wor!"oe Attac$

7/21/2019 Securing Underwater Wireless Communication Network

13/17

Aut"entication

5roo% t"at data was sent *y a e&iti!ate user

Inte&rity

In%or!ation is not atered#

Security re*uirement

7/21/2019 Securing Underwater Wireless Communication Network

14/17

Con7dentiaity

In%or!ation is not accessi*e to unaut"ori8ed6arties#

A(aia*iity

Data s"oud *e a(aia*e w"en needed *y an

aut"ori8ed user#

Security re*uirement

7/21/2019 Securing Underwater Wireless Communication Network

15/17

7/21/2019 Securing Underwater Wireless Communication Network

16/17

7/21/2019 Securing Underwater Wireless Communication Network

17/17