[B! crypto] nsyeeã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

nsyee id:nsyee

cryptoã«é–¢ã™ã‚‹nsyeeã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (46)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

ã‚¢ãƒƒãƒ—ãƒ«ã¨ï¼¦ï¼¢ï¼©ï¼šã€Œæš—å·ã¯äººæ¨©ã®ãƒ„ãƒ¼ãƒ«ã€å›½é€£é«˜ç‰å¼å‹™å®˜ãŒå‹•ã
ã‚¢ã‚¤ãƒ•ã‚©ãƒ¼ãƒ³ã®ãƒ‡ãƒ¼ã‚¿ä¿è·æŽªç½®è§£é™¤ã‚’ã‚ãã‚‹ç±³é€£é‚¦æœæŸ»å±€ï¼ˆï¼¦ï¼¢ï¼©ï¼‰ã¨ã‚¢ãƒƒãƒ—ãƒ«ã®å¯¾ç«‹ã«ã€æ–°ã—ã„ã‚ãƒ¼ãƒ¯ãƒ¼ãƒ‰ãŒåŠ ã‚ã£ãŸã€‚ã€Œäººæ¨©ã€ã ã€‚ â€»å‚ç…§ï¼šã‚¢ãƒƒãƒ—ãƒ«ã¨ï¼¦ï¼¢ï¼©ï¼šã‚¢ã‚¤ãƒ•ã‚©ãƒ¼ãƒ³ã€Œãƒãƒƒã‚¯ãƒ‰ã‚¢ã€å•é¡Œã¯ã‚¹ãƒŽãƒ¼ãƒ‡ãƒ³äº‹ä»¶ã‹ã‚‰ç¶šãã›ã‚ãŽåˆã„ â€»å‚ç…§ï¼šã‚¢ã‚¤ãƒ•ã‚©ãƒ¼ãƒ³ã€Œãƒãƒƒã‚¯ãƒ‰ã‚¢ã€å•é¡Œã¯ç±³ï¼¥ï¼µã®æ–°ãƒ—ãƒ©ã‚¤ãƒã‚·ãƒ¼å”å®šã«ã©ã†éŸ¿ãã®ã‹ï¼Ÿ å›½é€£äººæ¨©é«˜ç‰å¼å‹™å®˜ã§ãƒ¨ãƒ«ãƒ€ãƒ³çŽ‹æ—ã€ã‚¶ã‚¤ãƒ‰ãƒ»ãƒ•ã‚»ã‚¤ãƒ³ã•ã‚“ãŒï¼”æ—¥ã€ã“ã®å•é¡Œã«ã‚ˆã‚Šã€Œï¼ˆï¼¦ï¼¢ï¼©ã¯ï¼‰æ•°ç™¾ä¸‡äººã®äººæ¨©ã«æ‚ªå½±éŸ¿ã‚’åŠã¼ã—ã‹ããªã„ãƒ‘ãƒ³ãƒ‰ãƒ©ã®ç®±ã‚’é–‹ã‘ã‚ˆã†ã¨ã—ã¦ã„ã‚‹ã€ã¨ã®å£°æ˜Žã‚’ç™ºè¡¨ã€‚ åŠ ç›Ÿå›½ã«å¯¾ã—ã€ã“ã®å•é¡Œã«ç›®ã‚’å‘ã‘ã‚‹ã‚ˆã†å‘¼ã³ã‹ã‘ã¦ã„ã‚‹ã€‚ ï¼¦ï¼¢ï¼©ã«ã¨ã£ã¦ã¯é€†é¢¨ãŒç¶šãã€‚ ãã®ï¼”æ—¥å‰ã«ã¯ã€ãƒ‹ãƒ¥ãƒ¼ãƒ¨ãƒ¼ã‚¯ã®é€£é‚¦åœ°è£ãŒã€ï¼¦ï¼¢ï¼©ã¯ã‚¢ãƒƒãƒ—ãƒ«ã«ã‚¢ã‚¤ãƒ•ã‚©ãƒ¼ãƒ³ã®ãƒ‡ãƒ¼ã‚¿ä¿è·æŽªç½®è§£é™¤ã‚’å¼·åˆ¶ã§ããªã„ã€ã¨åˆ¤æ±ºã€‚ï¼¦ï¼¢ï¼©ã®ä¸»å¼µã‚’é€€ã‘ã€ã‚«ãƒªãƒ•ã‚©ãƒ«ãƒ‹ã‚¢ã®é€£é‚¦åœ°è£ã¨åˆ¤æ–ãŒåˆ†ã‹ã‚ŒãŸã€‚ ã•ã‚‰ã«ãã®ã‚«ãƒªãƒ•ã‚©ãƒ«ãƒ‹ã‚¢ã®é€£é‚¦åœ°è£ã«ã¯ã€ãƒ•ã‚§ã‚¤ã‚¹ãƒ–ãƒƒã‚¯
nsyee 2016/03/07
crypto

apple

security

privacy
ãƒªãƒ³ã‚¯
Cryptographic Protocol Verification Portal
The AKE Protocol List The AKE Protocol List ã¯ã€å®‰å…¨ãªé€šä¿¡ã‚¤ãƒ³ãƒ•ãƒ©ã«ä¸å¯æ¬ ãªèªè¨¼ãŠã‚ˆã³éµäº¤æ›ï¼ˆAKE, Authentication and/or Key Exchangeï¼‰ã®ä¸»è¦ãªæš—å·ãƒ—ãƒãƒˆã‚³ãƒ«ã®ç¾æ™‚ç‚¹ã®å®‰å…¨æ€§ãŒä¸€ç›®ã§åˆ†ã‹ã‚‹ç”»æœŸçš„ãªãƒãƒ¼ã‚¿ãƒ«ã‚µã‚¤ãƒˆã§ã™ã€‚ã“ã®ã‚µã‚¤ãƒˆã¯ã€ç”£å®˜å¦å…¨ã¦ã®çµ„ç¹”ã®ã¿ãªã‚‰ãšå€‹äººã¾ã§åºƒãä½¿ã£ã¦ã„ãŸã ã‘ã¾ã™ã€‚ å‡¡ä¾‹ è©•ä¾¡ã®åŽ³å¯†ã•ã‚’â˜…ã®æ•°ã®å¤šã•ï¼ˆ1ã€œ4ï¼‰ã§è¡¨ã—ã€åˆ©ç”¨ã®å¯èƒ½æ€§ã‚’è‰²ã§åŒºåˆ¥ã—ã¦ã„ã¾ã™ã€‚è¡¨ã®è¦‹æ–¹ã®è©³ç´°ã¯æœ¬ãƒšãƒ¼ã‚¸ã®æœ€å¾Œã‚’ã”è¦§ä¸‹ã•ã„ã€‚ ç¾çŠ¶å®‰å¿ƒã—ã¦åˆ©ç”¨ã§ãã‚‹ï¼ˆç¾æ™‚ç‚¹ã«ãŠã„ã¦æ”»æ’ƒãŒç™ºè¦‹ã•ã‚Œã¦ã„ãªã„ï¼‰ ç¾çŠ¶å®‰å¿ƒã—ã¦åˆ©ç”¨ã§ãã‚‹ï¼ˆæ”»æ’ƒãŒç™ºè¦‹ã•ã‚Œã¦ã„ã‚‹ãŒç¾æ™‚ç‚¹ã§ã¯éžç¾å®Ÿçš„ãªè„…å¨ï¼‰ å¯¾ç–ã‚’æ–½ã›ã°å®‰å¿ƒã—ã¦åˆ©ç”¨ã§ãã‚‹ï¼ˆæ”»æ’ƒãŒç™ºè¦‹ã•ã‚Œã¦ã„ã‚‹ãŒå›žé¿ç–ãŒã‚ã‚‹ï¼‰ ã‚‚ã¯ã‚„å®‰å¿ƒã—ã¦åˆ©ç”¨ã§ããªã„ï¼ˆç¾å®Ÿçš„ãªè„…å¨ã®ã‚ã‚‹æ”»æ’ƒãŒç™ºè¦‹ã•ã‚Œã¦ã„ã‚‹ï¼‰ å›½éš›æ¨™æº– ãƒ—ãƒãƒˆã‚³ãƒ«
nsyee 2015/10/20
crypto

WebServices
ãƒªãƒ³ã‚¯
https://jp.techcrunch.com/2015/10/13/20151012line-adds-end-to-end-encryption-to-its-mobile-messaging-app/
nsyee 2015/10/14
LINE

crypto

security
ãƒªãƒ³ã‚¯
ãƒ‰ãƒãƒ¼ãƒ³ã®ä¹—ã£å–ã‚Šã‚’é˜²æ¢ã€åˆ¶å¾¡é€šä¿¡ã‚’çœŸæ€§ä¹±æ•°ã§æš—å·åŒ–ã—ã¤ã¤åºƒåŸŸã§é£›è¡Œèª˜å°Žã™ã‚‹æŠ€è¡“ã€NICTãªã©ãŒé–‹ç™ºã€€
nsyee 2015/09/29
Drone

security

crypto
ãƒªãƒ³ã‚¯
CryptDB
Online applications are vulnerable to theft of sensitive information because adversaries can exploit software bugs to gain access to private data, and because curious or malicious administrators may capture and leak data. CryptDB is a system that provides practical and provable confidentiality in the face of these attacks for applications backed by SQL databases. It works by executing SQL queries
nsyee 2015/09/18
mysql

crypto
ãƒªãƒ³ã‚¯
ãƒ–ãƒ¬ãƒƒãƒãƒªãƒ¼ãƒ»ãƒ‘ãƒ¼ã‚¯ã€œè‹±å›½ä¸ã®æ‰äººãŒãƒ‰ã‚¤ãƒ„ã®ã‚¨ãƒ‹ã‚°ãƒžæš—å·è§£èªã®ãŸã‚ã«ç«‹ã¦ã“ã‚‚ã£ãŸç”°èˆŽã®ãŠå±‹æ•·&ä¸–ç•Œæœ€å¤ã®ãƒ‡ã‚¸ã‚¿ãƒ«ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ãŒä¸€èˆ¬å…¬é–‹ï¼ - Commentarius Saevus
ç¬¬äºŒæ¬¡ä¸–ç•Œå¤§æˆ¦ä¸ã«å›½ç«‹æš—å·ã‚»ãƒ³ã‚¿ãƒ¼ãŒç½®ã‹ã‚Œã¦ã„ãŸãƒ–ãƒ¬ãƒƒãƒãƒªãƒ¼ãƒ»ãƒ‘ãƒ¼ã‚¯ã«è¡Œã£ã¦ããŸã€‚ â€¦ã“ã‚ŒãŒå›½ç«‹æš—å·ã‚»ãƒ³ã‚¿ãƒ¼ï¼Ÿï¼Ÿ ä¸€å¿œã€æš—å·ã£ã½ã„çŸ³ç¢‘ãŒãŸã£ã¦ã‚‹ã‘ã©ã€‚ å®Ÿã¯ãƒ–ãƒ¬ãƒƒãƒãƒªãƒ¼ãƒ»ãƒ‘ãƒ¼ã‚¯ã¯ãƒãƒ³ãƒ‰ãƒ³ã‹ã‚‰ä¸€æ™‚é–“ãã‚‰ã„ã®ã¨ã“ã‚ã«ã‚ã‚Šã€å¯æ„›ã‚‰ã—ã„ãŠå±‹æ•·ã¨æ¹–ãŒã‚ã‚‹éƒŠå¤–ã®åºƒå¤§ãªåœ°æ‰€ãªã®ã ãŒã€ç¬¬äºŒæ¬¡ä¸–ç•Œå¤§æˆ¦ä¸ã«ãªã‚“ã¨ã“ã“ã«ã‚¨ãƒ‹ã‚°ãƒžæš—å·ã®è§£èªãªã©ã‚’ä¸å¿ƒã¨ã™ã‚‹ç§˜å¯†ãƒãƒ¼ãƒ ã®åŸºåœ°ãŒç½®ã‹ã‚Œã¦ã„ãŸã€‚ç¾åœ¨ã€ãã“ãŒä¿å˜ã•ã‚Œã¦åšç‰©é¤¨ç¾¤ã¨ã—ã¦å…¬é–‹ã•ã‚Œã¦ãŠã‚Šã€å›½ç«‹ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ãƒ†ã‚£ãƒ³ã‚°åšç‰©é¤¨ãªã©ãŒå…¥ã£ã¦ã„ã‚‹ä»–ã€1940å¹´ä»£ã®æ”¿æ²»å¤–äº¤è³‡æ–™ã€é¢¨ä¿—å²æ–™ã¨ã—ã¦ã®å®¶å…·ã‚„ãŠã‚‚ã¡ã‚ƒã€ãƒ—ãƒãƒ‘ã‚¬ãƒ³ãƒ€ãƒã‚¹ã‚¿ãƒ¼ãªã©ã€é–¢ä¿‚ã®ã‚ã‚‹ã‚ã‚‰ã‚†ã‚‹è³‡æ–™ã®è†¨å¤§ãªã‚³ãƒ¬ã‚¯ã‚·ãƒ§ãƒ³ãŒå„ç¨®å»ºç‰©ã«å±•ç¤ºã•ã‚Œã¦ã„ã‚‹ã€‚ã‚ã¾ã‚Šæ—¥æœ¬äººã«ã¯é¦´æŸ“ã¿ãŒãªã„ã‹ã‚‚ã—ã‚Œã‚“ãŒã€ã¨ã«ã‹ãã‚¹ã‚´ã„å²è·¡ã§ã‹ã¤åšç‰©é¤¨ãªã®ã ã€‚ ã‚¢ãƒ©ãƒ³ãƒ»ãƒãƒ¥ãƒ¼ãƒªãƒ³ã‚°ã‚‚æˆ¦æ™‚ä¸ã«ã“ã“ã§å¤§æ´»èºã—ãŸã€‚ ã¨ã‚Šã‚ãˆãšã¯ãŠå±‹æ•·ã«å…¥ã£ã¦ã¿ã‚‹ã€‚ 19ä¸–ç´€æœ«ã«
nsyee 2015/03/09
crypto

æ´å²
ãƒªãƒ³ã‚¯
SQLCipher - Full Database Encryption for SQLite | Zetetic
SQLCipher Open-source extension to SQLite Transparent, 256-bit AES encryption Tamper-resistant design Cross-platform and zero configuration SQLCipher is widely used, protecting data for thousands of apps on hundreds of millions of devices, including our password manager Codebook. Buy Now Â» Free Trial Â»
nsyee 2015/02/15
sqlite

crypto
ãƒªãƒ³ã‚¯
GoogleãŒWebã§ã®SHA-1ã®åˆ©ç”¨åœæ¢ã‚’æ€¥ãç†ç”± | POSTD
nsyee 2015/02/05
google

security

SSL

crypto
ãƒªãƒ³ã‚¯
æ¥•å††æ›²ç·šã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ãƒ¼
3. æ¥•å††æ›²ç·šï¼‘ ãƒ»y2 = x3 + ax + b mod p ã¨ã„ã†æ–¹ç¨‹å¼ã‚’æº€ãŸã™æ›²ç·šã§ã€ç´ æ•°ã«é™ã£ãŸå¹³é¢ã®ç‚¹ãŒå˜åœ¨ã™ã‚‹æ•°ãŒ order n ã« ç¸›ã‚‰ã‚Œã¾ã™ã€‚ ãƒ»ãƒ“ãƒƒãƒˆã‚³ã‚¤ãƒ³ãŒä½¿ã†æ›²ç·šã¯ã€Œ SECp256k1ã€ ãƒ»å®šæ•°ã¯ a = 0 ; b = 7 ãƒ»p = 2256 - 232 - 29 - 28 - 27 - 26 - 24 -1 (å¤§ããªç´ æ•°) ãƒ»n = 115,792,089,237,316,195,423,570,985,008,687,907,852,837,564,279,074,904,382,605,163, 141,518,161,494,337 ãƒ»è¦‹ãŸç›®ã¯ã€€â‡’ ãƒ»ã§ã‚‚æœ¬å½“ã¯ã“ã†ãªã‚‹â‡’ 4. æ¥•å††æ›²ç·šï¼’ ãƒ»æ›²ç·šä¸Šã«å˜åœ¨ã™ã‚‹2ã¤ã®ç‚¹ã‚’é€šéŽã™ã‚‹ç›´ç·šã¯å¿…ãš 3ã¤ç›®ã®ç‚¹ã‚’é€šéŽã™ã‚‹ã€‚ ãƒ»æ›²ç·šä¸Šã«å˜åœ¨ã™ã‚‹1ã¤ã®ç‚¹ã‚’é€šéŽã—ã€æŽ¥ç·šã¨ãªã‚‹å ´åˆã€ãã®æŽ¥ç·šã¯å¿…ãš 2ã¤ç›®ã®ç‚¹ã‚’é€šéŽã™ã‚‹ã€‚
nsyee 2015/01/18
crypto

algorithm

security
ãƒªãƒ³ã‚¯
è‹±é¦–ç›¸ã€æš—å·åŒ–é€šä¿¡ã‚’åˆ¶é™ã™ã‚‹æ„å‘ã‚’è¡¨æ˜Ž--ãƒ•ãƒ©ãƒ³ã‚¹ã§ã®ãƒ†ãƒäº‹ä»¶ã‚’å—ã‘
è‹±å›½ã®David Cameroné¦–ç›¸ã¯ã€é›»åé€šä¿¡ã®æš—å·åŒ–ã‚’å–ã‚Šå·»ãæ³•åˆ¶ã®å¼·åŒ–ã‚’ç´„æŸã—ãŸã€‚ã€ŒWhatsAppã€ã€ŒSnapchatã€ã€Appleã®ã€ŒMessagesã€ãªã©ãŒå¯¾è±¡ã«ãªã‚Šãã†ã ã€‚Cameroné¦–ç›¸ã¯ç¾åœ°æ™‚é–“1æœˆ12æ—¥ã€ã€Œï¼ˆãƒ†ãƒãƒªã‚¹ãƒˆãŸã¡ãŒï¼‰å®‰å…¨ã«é€£çµ¡ã‚’å–ã‚Šåˆãˆã‚‹å ´æ‰€ã‚’æ”¾ç½®ã€ã—ã¦ãŠãã¹ããªã®ã ã‚ã†ã‹ã¨è¿°ã¹ãŸã€‚ Cameroné¦–ç›¸ã¯ã€å…ˆé€±ãƒ‘ãƒªã§èµ·ã“ã£ãŸãƒ†ãƒäº‹ä»¶ã‚’å—ã‘ã¦ã€æ²»å®‰å¯¾ç–ã‚’è°è«–ã—ã¦ã„ãŸã€‚ã“ã®äº‹ä»¶ã§ã¯ã€æ¦è£…é›†å›£ãŒé¢¨åˆºé›‘èªŒã€ŒCharlie Hebdoã€ã®ã‚ªãƒ•ã‚£ã‚¹ã‚’è¥²ã„ã€12äººã‚’æ®ºå®³ã—ã¦ã„ã‚‹ã€‚åŒé¦–ç›¸ã¯ã€2015å¹´ã®ç·é¸æŒ™ã®çµæžœã§å†ã³é¦–ç›¸ã«é¸ã°ã‚ŒãŸã‚‰ã€ãƒ†ãƒãƒªã‚¹ãƒˆé–“ã®é€šä¿¡ã‚’é®æ–ã™ã‚‹ãŸã‚ã«ã€ä¿å®‰æ©Ÿé–¢ãŒè§£èªã§ããªã„ã‚ˆã†ãªæš—å·åŒ–ã‚’ç¦æ¢ã™ã‚‹ã¤ã‚‚ã‚Šã ã¨ç´„æŸã—ãŸã€‚ Cameroné¦–ç›¸ã¯ãƒ‘ãƒªã§è¡Œã£ãŸæ¼”èª¬ã§ã€ã€Œå±æ©Ÿçš„ãªçŠ¶æ³ã«ãŠã„ã¦ã‚‚ã€å†…å‹™å¤§è‡£æœ¬äººãŒç½²åã—ãŸä»¤çŠ¶ã‚’ã‚‚ã£ã¦ã—ã¦ã‚‚å†…å®¹ã‚’çŸ¥ã‚‹ã“ã¨ã®ã§ããªã„é€šä¿¡æ‰‹æ®µ
nsyee 2015/01/14
internet

crypto

security

england
ãƒªãƒ³ã‚¯
vagrant share ã®å®Ÿè£…ã‚’èªã‚‚ã†ã¨æ€ã£ãŸã‚‰æš—å·åŒ–ã•ã‚Œã¦ã„ãŸ - @kyanny's blog
Vagrant ã«å†å…¥é–€ã—ã¦ã„ã‚‹ã€‚ Getting Started ã‚’èªã‚“ã§ vagrant share ã¨ã„ã†æ©Ÿèƒ½ãŒã‚ã‚‹ã“ã¨ã‚’çŸ¥ã£ãŸã€‚æ‰‹å…ƒã®ä»®æƒ³ãƒžã‚·ãƒ³ãŒã‚³ãƒžãƒ³ãƒ‰ä¸€ã¤ã§ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã«å…¬é–‹ã•ã‚Œã¦ã™ã”ã„ã€‚ã©ã†ã‚„ã£ã¦ã„ã‚‹ã®ã‹æ°—ã«ãªã£ãŸã®ã§ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’èªã‚“ã§ã¿ã‚ˆã†ã¨æ€ã£ãŸã‚‰ RubyEncoder ã¨ã„ã†å•†ç”¨è£½å“ã§æš—å·åŒ–ã•ã‚Œã¦ã„ãŸã€‚ vagrant ã¯ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ãªã®ã§ Share æ©Ÿèƒ½ã®ã‚³ãƒ¼ãƒ‰ã‚‚ãƒªãƒã‚¸ãƒˆãƒªã«ã‚ã‚‹ã®ã ã‚ã†ã¨æ€ã£ã¦æŽ¢ã—å§‹ã‚ãŸãŒãã‚Œã£ã½ã„ã‚‚ã®ãŒè¦‹ã¤ã‹ã‚‰ãªã‹ã£ãŸã€‚å…¬å¼ã‚µã‚¤ãƒˆã§é…å¸ƒã—ã¦ã„ã‚‹ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ©ã‚’ä½¿ã£ã¦ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ãŸã®ã§ã€ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ç‰ˆã«å«ã¾ã‚Œã¦ã„ãªã„ãƒ—ãƒã‚°ãƒ©ãƒ ãŒåŒæ¢±ã•ã‚Œã¦ã„ã‚‹ã®ã‹ãªï¼Ÿã¨æ€ã„ã€ /usr/bin/vagrant ã¨ã„ã†ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã‚’èªã‚“ã§ã‚‚ã‚ã‚‚ã‚ã®å®Ÿæ…‹ãŒã©ã“ã«ã‚ã‚‹ã®ã‹ã‚’èª¿ã¹ã€ãŸã©ã£ã¦ã„ã£ãŸã€‚ $ tree /Applications/Vagr
nsyee 2014/12/14
Vagrant

Ruby

crypto
ãƒªãƒ³ã‚¯
æ±èŠãŒç©¶æ¥µã®å®‰å…¨é€šä¿¡ã€€é‡åæš—å·ã§å®Ÿç”¨åŒ–ã¸ - æ—¥æœ¬çµŒæ¸ˆæ–°èž
æ±èŠã¯ã€Œç†è«–ä¸Šç ´ã‚‰ã‚Œãªã„ã€ç©¶æ¥µã®æš—å·ã¨ã•ã‚Œã‚‹é‡åæš—å·é€šä¿¡ã®å®Ÿç”¨åŒ–ã«ã‚ã©ã‚’ã¤ã‘ãŸã€‚ä¸€èˆ¬å›žç·šã‚’ä½¿ã£ãŸé‡åæš—å·é€šä¿¡ã®å®Ÿè¨¼å®Ÿé¨“ã‚„ã€åŒæ™‚ã«è¤‡æ•°ã®æ‹ ç‚¹ã¨æƒ…å ±ã‚’ã‚„ã‚Šå–ã‚Šã™ã‚‹ã“ã¨ã«æˆåŠŸã—ã€ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã§ã®æ´»ç”¨ã«ã‚‚é“ã‚’é–‹ã„ãŸã€‚æ±èŠã¯5å¹´å¾Œã‚’ã‚ã©ã«å®Ÿç”¨åŒ–ã™ã‚‹ã€‚å…‰å›žç·šã®æƒ…å ±ã‚’ã€Œç›—è´ã€ã™ã‚‹ãªã©ã€å·§å¦™ã•ã¨æ‚ªè³ªã•ã‚’å¢—ã—ã¦ã„ã‚‹ã‚µã‚¤ãƒãƒ¼æ”»æ’ƒã¸ã®å¯¾ç–ã«å½¹ç«‹ã¦ã‚‹ã€‚é‡åæš—å·é€šä¿¡ã¯æš—å·å‡¦ç†ã‚’æ–½ã—ãŸãƒ‡ãƒ¼ã‚¿ã¨ãã®æš—å·ã‚’è§£ãéµã‚’ã€å…‰ãƒ•ã‚¡
nsyee 2014/09/01
quantum

crypto
ãƒªãƒ³ã‚¯
LINEã€Œç‹¬è‡ªæš—å·åŒ–ã€ã®ãƒ¡ãƒªãƒƒãƒˆã¨å®‰å…¨æ€§ã«ã¤ã„ã¦
LINEãŒä½¿ç”¨ã—ã¦ã„ã‚‹ã€Œç‹¬è‡ªã®ã€æš—å·åŒ–æ‰‹æ³•ã«ã¤ã„ã¦ã€æƒ…å ±ãŒä¸€éƒ¨é–‹ç¤ºï¼ˆå‚ç…§ï¼šLINEã®æš—å·åŒ–ã«ã¤ã„ã¦ Â« LINE Engineers' Blogï¼‰ã•ã‚Œã€Twitterã§ã‚‚ã‚„ã‚Šã¨ã‚Šã‚’ã—ãŸã®ã§ã€ã¾ã¨ã‚ã¦ã¿ã‚‹ã€‚ â– ãªãœTLSã‚’ä½¿ã‚ãªã„ã‹ TLSã§ã¯ãªãã€ï¼‘ãƒ‘ã‚¹ã®ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸æš—å·åŒ–ã‚’ä½¿ã£ã¦ã„ã‚‹ç†ç”±ã«ã¤ã„ã¦ã¯ã€Adopting SPDY in LINE â€“ Part 2: The Details Â« LINE Engineers' Blogã«ä»¥ä¸‹ã®ã‚ˆã†ãªè¨˜è¼‰ãŒã‚ã‚Šã€TLSã‚’ä½¿ã†ã“ã¨ã«ã‚ˆã‚‹ãƒ¬ã‚¤ãƒ†ãƒ³ã‚·ã®å¢—åŠ ã‚’æ‡¸å¿µã—ã¦ã„ã‚‹ãŸã‚ã¨è€ƒãˆã‚‰ã‚Œã‚‹ã€‚ 3G mobiles networks normally operate at slow speeds. ï¼ˆä¸ç•¥ï¼‰If the connection changes modes when the user sends a message, we are forced t
nsyee 2014/06/27
LINE

SSL

crypto
ãƒªãƒ³ã‚¯
RSAéµã®ç”Ÿæˆæ™‚ã«ç¢ºçŽ‡çš„ç´ æ•°åˆ¤å®šæ³•ã‚’ä½¿ã£ã¦å•é¡Œãªã„ã®ã‹ - hnwã®æ—¥è¨˜
å‰å›žè¨˜äº‹ã€ŒRSAå…¬é–‹éµã‹ã‚‰ç´ æ•°ã®ç©ã‚’å–ã‚Šå‡ºã™æ–¹æ³•ã€ã§ã‚‚ç´¹ä»‹ã—ã¾ã—ãŸãŒã€RSAéµã®ç”Ÿæˆã«ã¯å·¨å¤§ãª2ã¤ã®ç´ æ•°p,qãŒå¿…è¦ã§ã™ã€‚è¿‘å¹´ä¸€èˆ¬çš„ã«ä½¿ã‚ã‚Œã¦ã„ã‚‹2048bit RSAéµã®å ´åˆã€p,qã®å¤§ãã•ã¯1024bitã€10é€²ã§ç´„308æ¡ã®æ•°ã«ãªã‚Šã¾ã™ã€‚ ã“ã®RSAã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ä¸ã§ã¯pã¨qã‚’æ³•ã¨ã—ãŸãƒ•ã‚§ãƒ«ãƒžãƒ¼ã®å°å®šç†ï¼ˆæ£ç¢ºã«ã¯ãã®æ‹¡å¼µã§ã‚ã‚‹ã‚ªã‚¤ãƒ©ãƒ¼ã®å®šç†ï¼‰ã‚’åˆ©ç”¨ã—ã¦ã„ã¾ã™ã€‚ã¤ã¾ã‚Šã€pã¨qãŒåˆæˆæ•°ã ã¨RSAæš—å·ã®å¤§å‰æãŒç‹‚ã£ã¦ã—ã¾ã„ã¾ã™ã®ã§ã€pã¨qã«ã¯ç¢ºå®Ÿã«ç´ æ•°ã‚’é¸ã¶å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ ã¨ã“ã‚ã§ã€OpenSSLã®RSAéµç”Ÿæˆã®å®Ÿè£…ã§ã¯ã€pã¨qã®ç´ æ•°åˆ¤å®šã«Miller-Rabinç´ æ•°åˆ¤å®šæ³•ãŒç”¨ã„ã‚‰ã‚Œã¦ã„ã¾ã™ã€‚Miller-Rabinç´ æ•°åˆ¤å®šæ³•ã¯ç‰‡å´èª¤ã‚Šã®ç¢ºçŽ‡çš„ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã§ã€ã€ŒãŸã¶ã‚“ç´ æ•°ã€ã€Œç¢ºå®Ÿã«åˆæˆæ•°ã€ã®åˆ¤å®šãŒã§ãã‚‹ã‚ˆã†ãªã‚‚ã®ã§ã™ã€‚pã¨qã®ç´ æ•°æ€§ãŒé‡è¦ãªã®ã«ã€ãã®åˆ¤å®šã«ç¢ºçŽ‡çš„ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’ä½¿ã£ã¦ã‚‚å•é¡Œ
nsyee 2014/06/11
SSL

crypto

RSA

number

primenumber
ãƒªãƒ³ã‚¯
RSAå…¬é–‹éµã‹ã‚‰ç´ æ•°ã®ç©ã‚’å–ã‚Šå‡ºã™æ–¹æ³• - hnwã®æ—¥è¨˜
RSAæš—å·ã¯HTTPSã‚„SSHã®é€šä¿¡ã§åˆ©ç”¨ã•ã‚Œã¦ã„ã‚‹æš—å·åŒ–æ–¹å¼ã§ã™ã€‚å…¬é–‹éµã¨ã—ã¦å·¨å¤§ãªç´ æ•°ã®ç©ã‚’äº¤æ›ã—ã‚ã£ã¦æš—å·ã«åˆ©ç”¨ã—ã¦ãŠã‚Šã€ã“ã®ç´ å› æ•°åˆ†è§£ãŒå›°é›£ã§ã‚ã‚‹ã“ã¨ã«ã‚ˆã‚Šå®‰å…¨æ€§ãŒæ‹…ä¿ã•ã‚Œã¦ã„ã¾ã™ã€‚ã“ã®ã“ã¨ã¯æ•™ç§‘æ›¸ã«ã‚‚è¼‰ã£ã¦ã„ã‚‹ã‚ˆã†ãªå†…å®¹ã§ã€ã”å˜ã˜ã®æ–¹ã‚‚å¤šã„ã‹ã¨æ€ã„ã¾ã™ã€‚ ã¨ã“ã‚ã§ã€ãã®ç´ æ•°ã®ç©ã‚’å®Ÿéš›ã«è¦‹ãŸã“ã¨ã£ã¦ã‚ã‚Šã¾ã™ã‹ï¼Ÿå°‘ãªãã¨ã‚‚åƒ•ã¯è¦‹ãŸã“ã¨ãŒã‚ã‚Šã¾ã›ã‚“ã§ã—ãŸã—ã€å¤§æŠµã®äººã¯è¦‹ãŸã“ã¨ãŒç„¡ã„ã®ã§ã¯ãªã„ã§ã—ã‚‡ã†ã‹ã€‚æœ¬ç¨¿ã§ã¯ã“ã®å…¬é–‹éµã®æƒ…å ±ã‚’è¦‹ã‚‹æ–¹æ³•ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ OpenSSHå…¬é–‹éµã®ä¸èº«ã‚’è¦‹ã‚‹ ã¾ãšã¯OpenSSHã®å…¬é–‹éµã®æƒ…å ±ã‚’å–ã‚Šå‡ºã—ã¦ã¿ã¾ã™ã€‚OpenSSHã®å…¬é–‹éµã¯æ¬¡ã®ã‚ˆã†ãªã‚‚ã®ã§ã™ã€‚ ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCw+XdXSrhBcDFAXPcisrc8im4y8ytC46HEQ0GsWOph9OPK1elTQmBD5LATGfp4JG4
nsyee 2014/06/11
SSL

crypto

RSA

number

primenumber
ãƒªãƒ³ã‚¯
ProVerif
ProVerif: Cryptographic protocol verifier in the formal model ProVerif is an automatic cryptographic protocol verifier, in the formal model (so called Dolev-Yao model). This protocol verifier is based on a representation of the protocol by Horn clauses. Its main features are: It can handle many different cryptographic primitives, including shared- and public-key cryptography (encryption and signat
nsyee 2014/06/06
crypto

theorem-prover
ãƒªãƒ³ã‚¯
æš—å·åŒ–ã‚½ãƒ•ãƒˆTrueCryptã¯ã€Œå®‰å…¨ã§ã¯ãªã„ã€ï½žåŒ¿åé–‹ç™ºè€…ãŒçªç„¶ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã‚’ä¸æ¢ -INTERNET Watch
nsyee 2014/05/30
security

crypto
ãƒªãƒ³ã‚¯
Ansible 1.5ãƒªãƒªãƒ¼ã‚¹ â€” ãã“ã¯ã‹ã¨ãªãæ›¸ãã‚ˆã‚“ã€‚ ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆ
Ansible 1.5ãƒªãƒªãƒ¼ã‚¹Â¶ Ansibleã®1.5ãŒãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã¾ã—ãŸã€‚ å…¬å¼ãƒ–ãƒã‚°è¨˜äº‹ ãƒªãƒªãƒ¼ã‚¹ãƒŽãƒ¼ãƒˆ 1.5ã§ã¯ãŸãã•ã‚“ã®å¤‰æ›´ãŒã‚ã‚Šã€ãã®ã†ã¡ã®ä¸€éƒ¨ã ã‘ã§ã‚‚ã“ã‚Œã ã‘ã‚ã‚Šã¾ã™ã€‚ ansible vaultã«ã‚ˆã‚‹ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã®æš—å·åŒ– ssh pipelineingã«ã‚ˆã‚‹é«˜é€ŸåŒ– 1.4ã‹ã‚‰å»ƒæ¢äºˆå®šã§è¦å‘ŠãŒå‡ºã¦ã„ãŸwhen_XXX ãŒå®Œå…¨ã«å‰Šé™¤ã€‚ã‹ã‚ã‚Šã«whenã‚’ ä½¿ã†ã“ã¨ã€‚ only_if ã‚‚å»ƒæ¢äºˆå®šã«ã€‚ ãƒã‚°ã‚’å‡ºã•ãªãã™ã‚‹no_logã‚ªãƒ—ã‚·ãƒ§ãƒ³ã®è¿½åŠ git moduleã«ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã®è¿½åŠ (accept_hostkey, key_file, ssh_opts) å„ç¨®moduleã®è¿½åŠ ã“ã‚Œã‚‰ãŸãã•ã‚“ã®å¤‰æ›´ã®ã†ã¡ã€ä»Šå›žã®è¨˜äº‹ã§ã¯ansible vaultã€ssh pipeliningã€è¿½åŠ ã•ã‚ŒãŸassert moduleã«ã¤ã„ã¦ã”èª¬æ˜Žã—ã¾ã™ã€‚ ansible vaultÂ¶ ãƒ‘ã‚¹ãƒ¯ãƒ¼ãƒ‰ã‚„A
nsyee 2014/05/23
Ansible

crypto
ãƒªãƒ³ã‚¯
kamoland
AutoHotKeyã‚’ä½¿ã£ã¦ï¼Œã‚ãƒ¼ã‚’æŠ¼ã™ã“ã¨ã§ãƒ¢ãƒ‹ã‚¿ãƒ¼é–“ã®ãƒžã‚¦ã‚¹ã‚«ãƒ¼ã‚½ãƒ«ç§»å‹•ãŒã§ãã‚‹ã‚ˆã†ã«ã™ã‚‹ã¨ã„ã†è©±ã§ã™ï¼Ž ãƒ‡ã‚£ã‚¹ãƒ—ãƒ¬ã‚¤ã‚’æ¨ªã«ä¸¦ã¹ã¦3æžšä½¿ã£ã¦ã„ã‚‹ã®ã§ã™ãŒï¼Œãƒžã‚¦ã‚¹ç§»å‹•ãŒï¼Œè·é›¢ãŒé•·ããªã‚Šå°‘ã€…ã‚ã‚“ã©ãã•ã„ã¨ã„ã†ã®ãŒã‚ã‚Šã¾ã™ï¼Ž ã“ã¡ã‚‰ã®ã‚µã‚¤ãƒˆ ãƒˆãƒªãƒ—ãƒ«ãƒ¢ãƒ‹ã‚¿é–“ã®ãƒžã‚¦ã‚¹ç§»å‹•ã‚’ãƒœã‚¿ãƒ³1ã¤ã§å®Ÿç¾ï¼åœ§å€’çš„ã«å¿«é©ãªæ¥å‹™ç’°å¢ƒã®æ§‹ç¯‰ãƒ¡ãƒ¢ ã‚’å‚è€ƒã«ã—ã¦ï¼ŒF1ï¼ŒF4ã‚ãƒ¼ã§å·¦å³ã®ãƒ‡ã‚£ã‚¹ãƒ—ãƒ¬ã‚¤ã‚’åˆ‡ã‚Šæ›¿ãˆã‚‹ãŸã‚ã®ï¼ŒAutoHotKeyã‚¹ã‚¯ãƒªãƒ—ãƒˆã‚’ä½œã‚Šã¾ã—ãŸï¼Ž F1:: SysGet, MonitorC, Monitor, 1 SysGet, MonitorL, Monitor, 3 CoordMode, Mouse, Screen MouseGetPos, x, y If x < %MonitorCRight% MouseMove, (MonitorLLeft + MonitorLRight) / 2, (Monit
nsyee 2014/05/02
basicèªè¨¼

crypto

apache
ãƒªãƒ³ã‚¯
Cryptol
What is Cryptol? Cryptol is a domain-specific language for specifying cryptographic algorithms. A Cryptol implementation of an algorithm resem bles its mathematical specification more closely than an implementation in a general purpose language. Here is a comparison of a portion of the SHA-1 hash function specification and its representation in Cryptol: Cryptol SHA-1 implementation f : ([8], [32],
nsyee 2014/04/26
crypto

DSL

haskell
ãƒªãƒ³ã‚¯
1 2 3 æ¬¡ã®ãƒšãƒ¼ã‚¸