Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
RANS_SECCON_HACKATHON.pdf
Search
Ryoma Sin'ya
May 20, 2012
2
13k
RANS_SECCON_HACKATHON.pdf
Ryoma Sin'ya
May 20, 2012
Tweet
Share
More Decks by Ryoma Sin'ya
See All by Ryoma Sin'ya
正規表現に潜む対称性 〜等式公理による等価性判定〜
sinya8282
0
18
Featured
See All Featured
Fantastic passwords and where to find them - at NoRuKo
philnash
51
3.4k
The Cult of Friendly URLs
andyhume
79
6.5k
How to train your dragon (web standard)
notwaldorf
96
6.2k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
234
17k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
15
1.6k
Art, The Web, and Tiny UX
lynnandtonic
301
21k
Intergalactic Javascript Robots from Outer Space
tanoku
272
27k
GraphQLとの向き合い方2022年版
quramy
49
14k
The Straight Up "How To Draw Better" Workshop
denniskardys
235
140k
Gamification - CAS2011
davidbonilla
81
5.4k
Making Projects Easy
brettharned
117
6.3k
Building Applications with DynamoDB
mza
96
6.5k
Transcript
ਖ਼نදݱͱ ύεϫʔυੜ Ryoma Sin’ya (@sinya8282) 2012/5/20 SECCON Hackathon Sunday, May
20, 12
ਖ਼نදݱ×ηΩϡϦςΟʁ දྫ: ύέοτݕࡧ!! Sunday, May 20, 12
&*")"$ "$ '!+# D:5/5I K/( /B 8:5/5I K 13C6A3B96A/B
E/5 /F/5 /F/B (6AE6A/B %> ":>6/F/F/F ??<:6/B #?>BC6A/B B6AE6A/B 6>8:>6 186>CBEA/F/F#6A=:> 1/F%@C:F/B &A?/B E/5 /F/5 /B ?>>64C65/B (D446BB7D==G/F 1*!!/B + +/B ,$' 1BC=E8DB/B/B )A?;3>/B (6AE6A/B 1?A65/B >)A,/B /5 /F/5 /F/5 /F/F/F /BIK!#*(/B (6AE6A/B E/5 /F/5 Sunday, May 20, 12
Ͱࠓճ..... ʢʯɾωɾʣʯ ݕࡧ͡Όͳͯ͘ Sunday, May 20, 12
Ͱࠓճ..... ʢʗɾωɾʣʗ มͰߦ͖·͢ Sunday, May 20, 12
Ռతͳͷ طՌ ਖ਼نදݱΛ༩͑ͯจࣈྻ<->ࣈมϓϩάϥϜ () ϋοΧιϯͰͷՌ ਖ਼نදݱͱ<PbZg8`@RYZ^e mvw JCNJ4/$*)2-++!-.2%# Sunday, May 20,
12
RANS - ANS on regex Έγϯϓϧ ͞-ࣙॻॱͰਖ਼نݴޠʹॱ൪Λ͚ L(a ⇤ (b
⇤ |c⇤)) = {✏, a, b, c, aa, ab, ac, bb, cc, aaa, · · · } repL(0) = ✏, valL(a) = 1, repL(2) = b, valL(4) = aa, repL(aaa) = 0 Sunday, May 20, 12
HTTP-URL ਖ਼نදݱͰఆٛՄೳ!! 9CC@ .3 H - 0J.3 H - 0.
3 H - 0.3 H - 0M .3 H -0J.3 H -0. 3 H - 0.3 H - 0M J. 0 M . 0 M . 0 M . 0 . 0 . 2 L3 H - 0J. 3 70. 3 70. 2 L3 H - 0J . 3 70. 3 70 . 2 L3 H - 0J. 3 70. 3 70. 2 L3 H - 0J. 3 70. 3 70M. 2 L3 H - 0J . 3 70. 3 70 Sunday, May 20, 12
ANS on HTTP-URL 皆さん Googol の url はご存知で? Sunday, May
20, 12
ANS on HTTP-URL 皆さん Googol の url はご存知で? http://google.com Sunday,
May 20, 12
ANS on HTTP-URL 皆さん Googol の url はご存知で? http://google.com Sunday,
May 20, 12
ANS on HTTP-URL 皆さん Googol の url はご存知で? Sunday, May
20, 12
ANS on HTTP-URL 皆さん Googol の url はご存知で? Googol =
10^100 Googolのurl = 長さ-辞書順で10^100 ���������������������� 番目のurl Sunday, May 20, 12
ANS on HTTP-URL 皆さん Googol の url はご存知で? Googol =
10^100 Googolのurl = 長さ-辞書順で10^100 ���������������������� 番目のurl ''# $*& ( %&)' * "" !% Sunday, May 20, 12
ύεϫʔυͷࣗಈੜ Sunday, May 20, 12
ੜγεςϜͷ༷ લఏɿύεϫʔυͱͦͷΞΧϯτ͕ ଐ͢ΔαʔϏεͷKiij dZ\8psdZ\8bZg8` HU~DE;>7 X8cZ<PUrN6BSI j@RdZ\8ps JtuI o Sunday, May
20, 12
G9R!X8cZ !3 $//+ #%/$0*( ps !3 5 Sunday, May
20, 12
G9R!X8cZ !3 $//+ #%/$0*( ps !3 5
', Sunday, May 20, 12
G9R!X8cZ !3 $//+ #%/$0*( ps !3 5 " .
(+&#)$ ',!*%- ', Sunday, May 20, 12
σϞ Sunday, May 20, 12
σϞ :+-0/13:1#.2 :41,::1#.2 %/-0+,'*330 # 6 !7 # 6
! # 6 ! # 6 !9 # 6 !7 # 6 ! # 6 ! # 6 !9 7 ! 9 ! 9 ! 9 ! ! " 8 # 6 !7 # (! # (! " 8 # 6 !7 # (! # (! " 8 # 6 !7 # (! # (! " 8 # 6 !7 # (! # (! 9 " 8 # 6 !7 # (! # (! :0#225/1&::1#.2 %/-0+,' # 6 ! :::::::::: : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : :0#225/1&41,*330)+3*4$ %/-::::::::::::::: : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : $'- :41,0#225/1&$'- *330)+3*4$ %/- Sunday, May 20, 12
ϊʔτ _fK{Ia]V[hJlF9 RJ4/$*)2-++!- Fy:L ?C7 0,|JIzTAE1'% H -%)"0&W8`IoO?CQ Sunday, May 20,
12
ϋογϡͱԿ͕ҧ͏Μ? bZg8`=iij? bZg8`<PUrNR}Okq xMIk-%)"0&G<FO*& Sunday, May 20, 12
ϋογϡͱԿ͕ҧ͏Μ? bZg8`=iij? bZg8`<PUrNR}Okq xMIk-%)"0&G<FO*& '!+#%,( - Sunday, May 20,
12
Ռ $//+ .%)4 #%/$0*( 4/$*)2-++!- $//+ #%/$0*(.%)4 -).2-++!- bZg8`YZ^en<I> Sunday,
May 20, 12