Analysis of a Cryptographic Protocol: Needham-Schroeder Symmetric Key Protocol, Study notes of Calculus

An in-depth analysis of the needham-schroeder symmetric key protocol, a cryptographic protocol used for secure communication. It discusses the protocol's operation, message flow, and security properties, as well as potential vulnerabilities and attacks. The analysis includes formal verification using the ban logic.

Typology: Study notes

2012/2013

Uploaded on 02/11/2013

amit-kumar
amit-kumar 🇮🇳

4.8

(4)

157 documents

1 / 6

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
o "'\ J
~x
-t-'2~
""-'1
3··(7)~2y-:::lr
5'J..
-(7-=(<-
G +
'2.
'(
-::.
4
-~-----
-Co
-b
.;::
\ 6
@Jr~
-
E1.~-.2
Z 6
[i-i\ ;<- G
~
\
__
--
<!,.
a...
u"
'01'1
_ 1
(z)
-1)
~
2..
4
5
-2.
\'2
®
'FI
'\-(
\)
~
'DE.'\UPI
iw\t,{,
19'1'
l\+E..
?~
HO
PI4
L
~
~f
)I:
-
[~
-;1-/
\
j:?~~
\=
3'(-'L)
-2-§"
:=
~
<0
-\0
-=-
-
\(0
-~
'D
pf3
pf4
pf5

Partial preview of the text

Download Analysis of a Cryptographic Protocol: Needham-Schroeder Symmetric Key Protocol and more Study notes Calculus in PDF only on Docsity!

o

"'\

J

~x -t-'2~ ""-'1 3··(7)~2y-:::lr

5'J.. -(7-=(< G + '2. '( -::. 4

-~----- (^) -Co -b

.;:: \
@Jr~
  • (^) E1.~-. Z^6 [i-i_ ;< G ~ _--^ <!,.^ a...^ u"'01'1^ _^^1 (z) -1) ~ 2.. 4 5 -2. ' ® 'FI'-( ) ~ 'DE.'\UPIiw\t,{, 19'1' l+E.. ?~ HOPI4 L ~ ~f )I:

[~ -;1-/ \j:?~~ \ = 3'(-'L) -2-§"

:= ~ <0 -\

-=- - (0 -~ 'D

C0 'i. -= ~ =- -~'2._-:.2-

'D -do

,,~ ~ : ~ ~-1- I 1> -Uo

  • 2 X- ~ 'f '=- - '1- 2)( -~ '{"=- - '+ 6" X + '1 ~ -1.. /.Q Lt --:> 20 ~ -+ '-1, ~ -y G '2J2- )( :::. - \ ....L - JI"L <.-z-. o Q.(-~)-4'1~-'T-
-\ -4'1 ~-
1 i

__"") --2.. A +Lr'{ ~ 1 ...

FA-..SE

_ (21-t-:»

Ii = 'Z.'t-t;' ~ c_ -)1- Co ~71 - 1 -Co ~i.. fALSE C) S'19f. kh}$ NCO ~~ -:::::::.> S'f;.TEP't l~S. ('-t 0 ~o ' 't-L/~~ \Y

2'1 'Z '1 J - 2 +Lr f = t

--·············· -, , _11.. -1.o:/t-L;-.:;.

  1. ~ \ -'Z. l-t ' _. __0......, '" '" ~ ~ ~ (Vk )) '--') 1'{o SOL
  2. 0 ___...:;.) (\tt.:) S O( 'i ~ .JMD

fl y.... -{ ~ ~ It2)-> ~Lr x +c7~- ~ ,,_ <- '1 "- '- ' ::> ~ x -1. '( ~ 2.

'~) 1lt£ S>~E L,lJ'-tt i H p,l--f\ 1T~\ '1 r>r ~'1 <;.. OLVfl\at,.$. -------------~-- LX-(~'L

- L j...-'<- ~ -

  • (^) _, ~ -"2- It -f ~ =-i ~1- ~ V '( -:: 'Z-( - (x 'Z.)(-~) :~ ~'T OF ()rll <S rQ L. uno , H (^) 5> , \ .
Q(2.~(E(t>: 2 - \ \ \
-===::::::>::::r" \

~ '-'1.. ~ 7.. i ']) ~ l~ ~~ = -~ +~ -=- 0

  1. -:::. ' -\ \ ::. -L;-2 ==- 0 X 2.-c I) I ~ \ ~ ~\ '<- t, -,~ '"- 0