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Introduction | Libsodium documentation
Sodium is a modern, easy-to-use software library for encryption, decryption, signatures, password hashing, and more. It is a portable, cross-compilable, installable, and packageable fork of NaCl, with a compatible but extended API to improve usability even further. Its goal is to provide all of the core operations needed to build higher-level cryptographic tools. Sodium is cross-platform and cross
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Python March 30, 2016 1 / 30 who? @elliptic shiho 0x10 , CTF March 30, 2016 2 / 30 why? Python sage1 , , 1 NumPy, Cython Python March 30, 2016 3 / 30 why? , . - , - , , March 30, 2016 4 / 30 , E : y2 = x3 + ax + b 3 - 2, 3 Fp( ) March 30, 2016 5 / 30 , P = (x, y) , Q = (r, s) = P + P ℓ = 3x2 + a 2y r = ℓ2 − 2x s = y + ℓ(r − x) , Q = nP , P, Q n ( (ECDLP)) - , ECDLP March 30, 2016 6 / 30 n , nP = O
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2. • Excelã®ãƒã‚°ã«ã‚ˆã‚‹ãƒ‘スワードを回é¿ã—ãŸè§£èª • 2015/10/13ã®Windows Updateã§æ”¹ä¿®æ¸ˆã¿ï¼ˆMS15-110） • パスワード暗å·åŒ–フォーマットã®å¼·åº¦æ¯”較 • ãƒã‚°ã‚’ã¿ã¤ã‘ãŸãã£ã‹ã‘ • ãƒãƒƒã‚¯ãƒ‰ã‚¢å¯¾ç–ã®ä¿¡é ¼ã§ãるフォーマットã®æ案 概略 2/54 3. • サイボウズ・ラボ㧠クラウドセã‚ュリティ関連ã®R&D • 『クラウドを支ãˆã‚‹ã“ã‚Œã‹ã‚‰ã®æš—å·æŠ€è¡“ã€(2015) • 内容 : å‰æ–¹ç§˜åŒ¿æ€§, 楕円曲線暗å·, IDベース暗å·, 属性ベース暗å·, 関数型暗å·, 準åŒåž‹æš—å·, ゼãƒçŸ¥è˜è¨¼æ˜Žãªã© • http://herumi.github.io/ango/ • ï¼ ITã§ã€Œã‚¯ãƒ©ã‚¦ãƒ‰æ™‚代ã®æš—å·åŒ–技術論ã€é€£è¼‰ • ペアリング暗å·ã®ä¸–界最速実装(2013) • https://github.com/herumi/ate-pairing • Software implem
bouncycastle.org
Welcome Welcome to the home of the Legion of the Bouncy Castle. A fun place to stay, if you've got some time to kill. Here at the Bouncy Castle, we believe in encryption. That's something that's near and dear to our hearts. We believe so strongly in encryption, that we've gone to the effort to provide some for everybody, and we've now been doing it for over 20 years! The Bouncy Castle Crypto APIs
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CryptoKitties | Union Square Ventures
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