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Dogison id:Dogison

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GoogleãŒTLSã§ã®æŽ¡ç”¨ã‚’æå”±ã—ã¦ã„ã‚‹å…±é€šéµæš—å·æ–¹å¼ã€ŒChaChaã€ã«ã¤ã„ã¦ã¾ã¨ã‚ãŸ - sonickun.log
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Dogison 2016/04/04
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google

security
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ãƒãƒƒã‚·ãƒ¥è¡çªã§TLSã‚’ç ´ã‚‹SLOTHæ”»æ’ƒ(CVE-2015-7575)ã¨ã¯ä½•ã‹ - ã¼ã¡ã¼ã¡æ—¥è¨˜
0. ç°¡å˜ãªSLOTHæ”»æ’ƒã®ã¾ã¨ã‚ æœ€åˆã«ç°¡å˜ãªã¾ã¨ã‚ã‚’æ›¸ã„ã¦ãŠãã¾ã™ã€‚é•·æ–‡ã«ãªã‚Šãã†ãªã®ã§ã€èªã‚€ã®ãŒå¤§å¤‰ãªæ–¹ã¯ã“ã“ã ã‘è¦‹ã¦ãŠã„ã¦ãã ã•ã„ã€‚ MD5ãƒãƒƒã‚·ãƒ¥ã¯æ—¢ã«å®‰å…¨ã§ã¯ãªãã€è¨¼æ˜Žæ›¸ã®ç½²åæ–¹å¼ã§ã®åˆ©ç”¨ã¯åœæ¢ã•ã‚Œã¦ã„ãŸãŒã€å¾Œæ–¹äº’æ›ã®ãŸã‚ãƒãƒ³ãƒ‰ã‚·ã‚§ã‚¤ã‚¯ãƒ‡ãƒ¼ã‚¿ã®ç½²åæ–¹å¼ã«RSA-MD5ãŒä»Šã§ã‚‚åˆ©ç”¨ã§ãã‚‹TLSå®Ÿè£…ãŒå¹¾ã¤ã‹å˜åœ¨ã—ã¦ã„ãŸ(Firefox NSS, Javaç‰)ã€‚ å…ˆé€±ã€INRIAã‚°ãƒ«ãƒ¼ãƒ—ã‹ã‚‰ãƒãƒƒã‚·ãƒ¥è¡çªã‚’åˆ©ç”¨ã—ã¦å®Ÿéš›ã«TLSã‚’ç ´ã‚‹æ”»æ’ƒ(SLOTH)ãŒå…¬é–‹ã•ã‚ŒãŸã€‚ãã‚Œã‚’å—ã‘ã€ã„ãã¤ã‹ã®å®Ÿè£…ã§RSA-MD5ã‚’å®Œå…¨ã«åˆ©ç”¨ä¸èƒ½ã«ã™ã‚‹ä¿®æ£ãŒè¡Œã‚ã‚ŒãŸ(CVE-2015-7575)ã€‚ SLOTHã§ã¯ã€SHA1ã‚„TLSã€IKEã€SSHã«å¯¾ã™ã‚‹æ”»æ’ƒã«ã¤ã„ã¦ã‚‚è©•ä¾¡ã‚’è¡Œã„ã€å¹¾ã¤ã‹ã¯å…¨ãç¾å®Ÿçš„ã«ä¸å¯èƒ½ãªãƒ¬ãƒ™ãƒ«ã§ã¯ãªã„ã“ã¨ãŒç¤ºã•ã‚ŒãŸã€‚MD5ã¨SHA-1ã§TLSãƒãƒ³ãƒ‰ã‚·ã‚§ã‚¤ã‚¯ã®å®Œå…¨æ€§ã‚’æ‹…ä¿ã—ã¦ã„ã‚‹TLS1.0/
Dogison 2016/01/14
security

ssh

md5
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Let's Encrypt
A nonprofit Certificate Authority providing TLS certificates to 450 million websites. Read all about our nonprofit work this year in our 2023 Annual Report. From our blog Jul 23, 2024 Intent to End OCSP Service Moving to a more privacy-respecting and efficient method of checking certificate revocation. Read more Jun 24, 2024 More Memory Safety for Letâ€™s Encrypt: Deploying ntpd-rs NTP is critical t
Dogison 2015/08/20
ssl

network

security
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https://mrtc0.github.io/slides/ltdd-16-ssh-auth.html
Dogison 2015/07/06
ssh

security
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PHPã«ãªã„ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£æ©Ÿèƒ½
PHPã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹é–¢è¥¿2015ã§ã®ç§ã®ã‚»ãƒƒã‚·ãƒ§ãƒ³ã€ŒPHPã«ç„¡ã„ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£æ©Ÿèƒ½ã€ã®ã‚¹ãƒ©ã‚¤ãƒ‰ã§ã™ã€‚ ä½•ãŒç„¡ã„ã®ã‹ã€çŸ¥ã£ã¦ã„ã‚Œã°å¯¾å¿œã§ãã¾ã™ã€‚ ä½•ãŒå•é¡Œã«ãªã£ã¦ã„ã‚‹ã®ã‹ã€çŸ¥ã£ã¦ã„ã‚Œã°å¯¾å¿œã§ãã¾ã™ã€‚ ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£å¯¾ç–ã¯è·äººæŠ€æ•µï¼ˆè„†å¼±æ€§å¯¾ç–ã‚’ã‚³ãƒ¼ãƒ‰ä¸ã«æ•£ã‚Šã°ã‚ã€å…¨ä½“ã‚’æŠŠæ¡ã—ãªã„ã¨å®‰å…¨ã«ã§ããªã„ä½œã‚Šæ–¹ï¼‰ã§ã¯ãªãã€CERT/SANS/OWASPãŒæŽ¨å¥¨ã™ã‚‹ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£å¯¾ç–ã‚’è¡Œã„ã€ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãƒªãƒ³ã‚°çš„ï¼ˆç§‘å¦çš„ã€ä½“ç³»çš„ãªä½œã‚Šæ–¹ï¼‰ã‚’è¡Œã†æ–¹ãŒç°¡å˜ã‹ã¤ã‚ˆã‚Šå®‰å…¨ã€é«˜å“è³ªãªã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’ä½œã‚Œã¾ã™ã€‚ PDFã‚’ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ãŸã„æ–¹ã¯ãƒ–ãƒã‚°ã‚’ã”è¦§ãã ã•ã„ã€‚ http://blog.ohgaki.net/missing-security-related-parts-of-phpRead less
Dogison 2015/06/04
php

security

Program

presentation
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ç„¡æ–™ã§SSLä½¿ãˆã‚‹æ™‚ä»£ãã¦ãŸï¼CloudFlareæœ€é«˜ï¼ï¼ï¼ï¼ˆï¼Ÿï¼‰ - uzullaãŒãƒ–ãƒã‚°
ã—ã‚‡ã†ã‚‚ãªã„æ—¥è¨˜ YAPCè¡Œè„šã€ç¦å²¡ç·¨ - uzullaãŒãƒ–ãƒã‚° ã¨ã‹ã‹ã„ãŸå¾Œã«ãªã‚“ã¨ãªããƒ„ã‚¤ãƒƒã‚¿ãƒ¼ã‚’ã¿ã¦ã„ãŸã‚‰ã€ã‚ã‚‹ãƒ„ã‚¤ãƒ¼ãƒˆã‚’ã¿ã¾ã—ã¦ã€‚ packagist.jpã‚’cloudflareå¯¾å¿œã—ãŸã‚‰ã€è‡ªå‹•çš„ã«HTTPSå¯¾å¿œã§ããŸã§ã”ã–ã‚‹ã€‚ã™ã”ã„ã€‚ä¸€å††ã‚‚æ‰•ã£ã¦ãªã„ã®ã« https://t.co/moCiiSwb44â€” Hiraku (@Hiraku) 2015å¹´2æœˆ24æ—¥ ãã‚Œã§CloudFlare(http://cloudflare.com/)ãŒã‚¿ãƒ€ã§SSLè¨¼æ˜Žæ›¸ã‚’ç”¨æ„ã—ã¦ãã‚Œã‚‹ã‚ˆã†ã«ãªã£ã¦ã„ãŸã®ã‚’çŸ¥ã‚Šã¾ã—ãŸã€‚ Cloudflare Free SSL/TLS | Get SSL Certificates | Cloudflare ã‚¿ãƒ€ï¼ãªã‚“ã¨ç”˜ç¾ŽãªéŸ¿ãï¼ ã‚ªãƒ SNIã§ã‹ã¾ã‚ãªã„ãªã‚‰ã€CloudFlareã‚’ã¤ã‹ãˆã°ValidãªSSLãŒã‚¿ãƒ€ã§åˆ©ç”¨ã§ãã‚‹ã€‚ SNIã¨ã¯ï¼Ÿ NameBaseã®Vir
Dogison 2015/02/25
ssl

free

security
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Wiresharkå…¥é–€ (2014ç‰ˆ)
2014å¹´10æœˆ31æ—¥é–‹å‚¬ã€Œãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ ãƒ‘ã‚±ãƒƒãƒˆã‚’èªã‚€ä¼š (ä»®)ã€ã§ã®ã‚»ãƒƒã‚·ãƒ§ãƒ³ã€Œã„ã¾æ”¹ã‚ã¦ Wireshark å…¥é–€ã€ã®ç™ºè¡¨ã‚¹ãƒ©ã‚¤ãƒ‰ã§ã™ã€‚ Wireshark ã®åˆ©ç”¨æ–¹æ³•ã«ã¤ã„ã¦ã€ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã‹ã‚‰åˆæœŸè¨å®šã€ãƒ‘ã‚±ãƒƒãƒˆã‚ãƒ£ãƒ—ãƒãƒ£ã®é–‹å§‹ã¨ãƒ•ã‚£ãƒ«ã‚¿ãƒªãƒ³ã‚°ã¾ã§è§£èª¬ã—ã¦ã„ã¾ã™ã€‚Read less
Dogison 2015/02/16
service

security

network
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XSS game
Welcome, recruit! Cross-site scripting (XSS) bugs are one of the most common and dangerous types of vulnerabilities in Web applications. These nasty buggers can allow your enemies to steal or modify user data in your apps and you must learn to dispatch them, pronto! At Google, we know very well how important these bugs are. In fact, Google is so serious about finding and fixing XSS issues that we
Dogison 2014/06/05
google

game

javascript

security
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2. è‡ªå·±ç´¹ä»‹ ï® å¤§å¦æ™‚ä»£ ï® äº¬éƒ½å¤§å¦æ•°ç†è§£æžç ”ç©¶æ‰€ã§ã¯ä»£æ•°å¹¾ä½• ï®ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ã¨ã¯ç¸ã®ãªã„ä¸–ç•Œ ï® æš—å·ã«ã‚‚èˆˆå‘³ã‚’æŒã¤ ï® mp3ã‚¨ãƒ³ã‚³ãƒ¼ãƒ€ã€Œåˆå¾Œã®ã“ï½žã ã€ã®é–‹ç™º(LGPL2) ï® å°±è·å¾Œ ï® IPAã‹ã‚‰ã®ä¾é ¼ã§æš—å·è§£èªãƒ—ãƒã‚°ãƒ©ãƒ ã®ä½œæˆ(2004å¹´) ï® ã€Žæ©Ÿæ¢°å¦ç¿’ã®å¦ç¿’ã€(CCA-BY3) ï®2012å¹´ã‚¸ãƒ¥ãƒ³ã‚¯å ‚ã®ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿æ›¸ç±å£²ã‚Šä¸Šã’3ä½ ï® http://compbook.g.hatena.ne.jp/compbook/20130110 ï® æš—å·ã®é«˜é€Ÿãªå®Ÿè£…(2013/8ã®æ™‚ç‚¹ã§ä¸–ç•Œæœ€é€Ÿ) ï®The Realm of the Pairings(SAC2013) ï® http://sac2013.irmacs.sfu.ca/sched.html 2013/11 2 /58 3. ç›®æ¬¡ ï® æš—å· ï® mod pã®ä¸–ç•Œ ï® å·¾ä¹—ã®è¨ˆç®— ï® é›¢æ•£å¯¾æ•°å•é¡Œ ï® ElGamalæš—å· ï®
Dogison 2013/11/07
presentation

security
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Digital Attack Map
A DDoS attack is an attempt to make an online service unavailable to users.
Dogison 2013/10/24
google

security

map
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Test if Any Site is Blocked in China and Learn How to Access it
Our comprehensive suite of professional services caters to a diverse clientele, ranging from homeowners to commercial developers. Renovation and restoration Experience the fusion of imagination and expertise with Ã‰tudes Architectural Solutions.
Dogison 2013/06/04
china

security

search
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JPCERT ã‚³ãƒ¼ãƒ‡ã‚£ãƒãƒ¼ã‚·ãƒ§ãƒ³ã‚»ãƒ³ã‚¿ãƒ¼ DNS Changer ãƒžãƒ«ã‚¦ã‚¨ã‚¢æ„ŸæŸ“ç¢ºèªã‚µã‚¤ãƒˆ
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Dogison 2012/07/09
DNS

security
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ç„¡ç·šLANã®WPA/WPA2-PSKã‚’GPUã§è¶…é«˜é€Ÿè§£æžã—ã¦ãƒ‘ã‚¹ãƒ¯ãƒ¼ãƒ‰ã‚’è¦‹ã¤ã‘ã‚‹ãƒ•ãƒªãƒ¼ã®ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã‚½ãƒ•ãƒˆã€ŒPyritã€
ATI Stream ãƒ†ã‚¯ãƒŽãƒã‚¸ãƒ¼/Nvidia CUDA/OpenCLã‚’é§†ä½¿ã—ã€WPA/WPA2-PSKã‚’çªç ´ã™ã‚‹ãŸã‚ã«å¿…è¦ã¨ãªã‚‹å·¨å¤§ãªãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚’äº‹å‰ã«ä½œæˆã™ã‚‹ã“ã¨ã«ã‚ˆã£ã¦æ¥µã‚ã¦é«˜é€Ÿã«ãƒ‘ã‚¹ãƒ¯ãƒ¼ãƒ‰ã‚’è§£æžã§ãã‚‹ã®ãŒãƒ•ãƒªãƒ¼ã®ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã‚½ãƒ•ãƒˆã€ŒPyritã€ã§ã™ã€‚åŽ³å¯†ãªãƒ©ã‚¤ã‚»ãƒ³ã‚¹ã¯GNU GPL v3ã¨ãªã£ã¦ã„ã¾ã™ã€‚ pyrit - WPA/WPA2-PSK and a world of affordable many-core platforms - Google Project Hosting http://code.google.com/p/pyrit/ äº‹å‰ã«å·¨å¤§ãªãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚’ä½œæˆã—ã¦ãŠããŸã‚ã€ãƒãƒ¼ãƒ‰ãƒ‡ã‚£ã‚¹ã‚¯ã®å®¹é‡ã¯å‰²ã¨å¿…è¦ã¨ãªã‚Šã¾ã™ãŒã€ãã‚Œã¨ãƒˆãƒ¬ãƒ¼ãƒ‰ã‚ªãƒ•ã§è§£æžé€Ÿåº¦ã‚’é«˜é€ŸåŒ–ã—ã‚ˆã†ã¨ã„ã†ã‚¢ãƒ—ãƒãƒ¼ãƒã«ãªã£ã¦ãŠã‚Šã€FreeBSDãƒ»MacOS Xãƒ»Linuxä¸Šã§å‹•ä½œã—ã€MinGWã‚’ä½¿ã†ã“
Dogison 2011/07/07
network

security
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ãƒ¤ãƒ•ãƒ¼ã«ãŠã‘ã‚‹ã‚¤ãƒ³ãƒ—ãƒƒãƒˆãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ã€Œä½•ã‚‚ä¿¡ã˜ã‚‹ãªã€ (Yahoo! JAPAN Tech Blog)
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Dogison 2011/03/27
security

yahoo
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Dogison 2011/01/24
check

security
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Dogison 2010/09/14
security

network

HTTP

reference
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Dogison 2010/02/23
php

security

Program
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Dogison 2010/02/23
network

security

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Dogison 2010/02/03
iPhone

security

backup
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Dogison 2010/01/15
sql

security

MySQL
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