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Scala-Search
Scaps is a search engine for discovering functionality in Scala libraries (or in other words, a Hoogle for Scala). You can use both type signatures and keywords in your search queries. Example Queries max: Int – An integer value with `max` in it’s name or doc comment. max: (Int, Int) => Int – A function taking two ints and returning Int. max: Int => Int => Int – Same query as above but in curried
OpenSSLã¨Pythonã§RSAæš—å·ã®åŽŸç†ã‚’知る - ã‚‚ã‚‚ã„ã‚テクノãƒã‚¸ãƒ¼
OpenSSLを使ã†ã¨ã€æ¬¡ã®ã‚ˆã†ã«ã—ã¦2048bitã®RSAéµãŒä½œæˆã§ãる。 $ openssl genrsa 2048 Generating RSA private key, 2048 bit long modulus ......................+++ .................+++ e is 65537 (0x10001) -----BEGIN RSA PRIVATE KEY----- MIIEowIBAAKCAQEAui/OeOYeMrLv+U2w13hQkL204OQVlB05nksKa5LaNE6mT3WY (snip) -----END RSA PRIVATE KEY----- ã“ã“ã§å‡ºåŠ›ã•ã‚Œã‚‹å†…容ã¯ã€ASN.1ã¨ã„ã†æ§‹æ–‡è¦å‰‡ã§è¡¨ç¾ã•ã‚ŒãŸæƒ…å ±ã‚’DERã¨å‘¼ã°ã‚Œã‚‹ãƒã‚¤ãƒŠãƒªå½¢å¼ã«ã—ã€ãれをã•ã‚‰ã«Base64エンコードã—ãŸã‚‚ã®ã«ãªã£ã¦ã„る。 ã“ã®ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆ
katagaitai CTF勉強会 #2 pwnables編 - PlaidCTF 2013 pwn200 ropasaurusrex / katagaitai CTF #2
katagaitai CTF勉強会 #2ã§ç™ºè¡¨ã—ãŸè³‡æ–™ã§ã™ï¼Ž 閲覧自由ã§ã™ãŒï¼Œç¤¾ä¼šäººã®æ–¹ã¯ãªã‚‹ã¹ãWikipediaãªã©ãŠå¥½ããªã‚µãƒ¼ãƒ“スやOSSã«ï¿¥1000ã®å¯„付をã—ã¦ã‚ã’ã¦ä¸‹ã•ã„(â†æµè¡Œã‚‰ã›ãŸã„)． 内容的ã«ã¯ã‚¹ã‚¿ãƒƒã‚¯ç³»ã®æ”»ç•¥(ret2xxx，ROPãªã©)を大体網羅ã—ã¤ã¤ã¾ã¨ã‚ãŸã‚‚ã®ã¨ãªã£ã¦ã„ã¾ã™â€¦
ブルートフォースã«ã‚ˆã‚‹32bit ASLRå›žé¿ - ã‚‚ã‚‚ã„ã‚テクノãƒã‚¸ãƒ¼
「å˜ç´”ãªã‚¹ã‚¿ãƒƒã‚¯ãƒãƒƒãƒ•ã‚¡ã‚ªãƒ¼ãƒãƒ¼ãƒ•ãƒãƒ¼æ”»æ’ƒã‚’ã‚„ã£ã¦ã¿ã‚‹ã€ã§ã¯ã€ASLRã¨SSPã€DEPãŒç„¡åŠ¹ãªçŠ¶æ…‹ã§ã®ã‚¹ã‚¿ãƒƒã‚¯ãƒãƒƒãƒ•ã‚¡ã‚ªãƒ¼ãƒãƒ¼ãƒ•ãƒãƒ¼æ”»æ’ƒã‚’è¡Œã£ãŸã€‚ ã“ã®ã†ã¡ASLRã«ã¤ã„ã¦ã¯ã€32bit環境ã§ã‚ã‚Œã°ãƒ–ルートフォースã§å›žé¿ã§ãã‚‹ã“ã¨ãŒçŸ¥ã‚‰ã‚Œã¦ã„る。 ã“ã“ã§ã¯ã€å®Ÿéš›ã«ASLRを有効ã«ã—ãŸçŠ¶æ…‹ã§ã‚·ã‚§ãƒ«ã®èµ·å‹•ã‚’試ã—ã¦ã¿ã‚‹ã€‚ 環境 Ubuntu 12.04 LTS 32bit版 $ uname -a Linux vm-ubuntu32 3.11.0-15-generic #25~precise1-Ubuntu SMP Thu Jan 30 17:42:40 UTC 2014 i686 i686 i386 GNU/Linux $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu
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