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
19
Featured
See All Featured
Building Better People: How to give real-time feedback that sticks.
wjessup
368
20k
Optimizing for Happiness
mojombo
379
70k
For a Future-Friendly Web
brad_frost
180
9.9k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
53
3k
Build your cross-platform service in a week with App Engine
jlugia
231
18k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
kevinliebholz
34
6.1k
Principles of Awesome APIs and How to Build Them.
keavy
127
17k
StorybookのUI Testing Handbookを読んだ
zakiyama
31
6.2k
Art, The Web, and Tiny UX
lynnandtonic
303
21k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
35
3.2k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
52
5.6k
Unsuck your backbone
ammeep
671
58k
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