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難読化についての紹介 それに関連したAcmeモジュールの紹介
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Okinawapm#4
1.
ちょこっとLT @cat2koban
2.
自己紹介 • たば( @cat2koban
) • R大学情報工学科 • 次年度4年次 • Perl 1歳9ヶ月 • 映画鑑賞 • 好きなコマンド : man
3.
難読化
4.
5.
暗号みたいで かっこいい!
6.
acme::EyeDrops
7.
8.
9.
16進数同士の 排他的論理和
10.
「H」を出力したい • [ `
] (バッククォート) ASCII 16進数表記 60 • [ ( ] (括弧) ASCII 16進数表記 28
11.
0110 0000 0010 1000 0100
1000 どちらか一方だけが1であるとき, 出力が1になる
12.
0110 0000 0010 1000 0100
1000 16進数表記に直すと, 48 = 48
13.
14.
perl -e ‘print “`"^"(","0"^"U","4"^"X","4"^"X","T"^";","t"^" X","f"^"1","T"^";","2"^"@","4"^"X","P"^"4", "Q"^"p","n";'
15.
不思議だなあ…
16.
''=~('(?{'.('[[).[|`%,,/`[/[@$'^'+)@@/^(@ @@@@,@),@').'! "})')
17.
ご静聴ありがとうございました
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