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efcl id:efcl

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SSL/TLSå®Ÿè·µå…¥é–€ â”€â”€Webã®å®‰å…¨æ€§ã‚’æ”¯ãˆã‚‹æš—å·åŒ–æŠ€è¡“ã®è¨è¨ˆæ€æƒ³
2024å¹´4æœˆ25æ—¥ç´™ç‰ˆç™ºå£² 2024å¹´4æœˆ25æ—¥é›»åç‰ˆç™ºå£² å¸‚åŽŸå‰µï¼Œæ¿å€‰åºƒæ˜Žã€€è‘— A5åˆ¤ï¼456ãƒšãƒ¼ã‚¸ å®šä¾¡3,740å††ï¼ˆæœ¬ä½“3,400å††ï¼‹ç¨Ž10%ï¼‰ ISBN 978-4-297-14178-3 Gihyo Direct Amazon æ¥½å¤©ãƒ–ãƒƒã‚¯ã‚¹ ä¸¸å–„ã‚¸ãƒ¥ãƒ³ã‚¯å ‚æ›¸åº— ãƒ¨ãƒ‰ãƒã‚·.com é›»åç‰ˆ Gihyo Digital Publishing Amazon Kindle ãƒ–ãƒƒã‚¯ãƒ©ã‚¤ãƒ– æ¥½å¤©kobo honto æœ¬æ›¸ã®ã‚µãƒãƒ¼ãƒˆãƒšãƒ¼ã‚¸ã‚µãƒ³ãƒ—ãƒ«ãƒ•ã‚¡ã‚¤ãƒ«ã®ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã‚„æ£èª¤è¡¨ãªã© ã“ã®æœ¬ã®æ¦‚è¦ SSL/TLSã¯ï¼Œé€šä¿¡ã®ç§˜å¯†ã‚’å®ˆã‚‹ãŸã‚ã«åˆ©ç”¨ã•ã‚Œã¦ã„ã‚‹é€šä¿¡ãƒ—ãƒãƒˆã‚³ãƒ«ã§ã™ã€‚HTTPSã‚„HTTP/3ã«ã‚‚åˆ©ç”¨ã•ã‚Œã¦ãŠã‚Šï¼Œä»Šæ—¥ã®Webã§ã¯åˆ©ç”¨ãŒä¸€èˆ¬çš„ã«ãªã£ã¦ã„ã¾ã™ã€‚æœ¬æ›¸ã§ã¯ï¼Œãã®æœ€æ–°ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§ã‚ã‚‹TLS 1.3ã®ã—ãã¿ã¨ï¼Œãã®ä½¿ã„æ–¹ã‚’è§£èª¬ã—ã¾ã™ã€‚SSL/TLSã¯å…¬é–‹ã•ã‚Œã¦ã„ã‚‹å®Ÿè£…ä¾‹ãªã©ã‚’çœŸä¼¼ã™ã‚Œã°åŸºæœ¬çš„
efcl 2024/04/16
SSL/TLS 1.3ã«ã¤ã„æ‰‹ã®æ›¸ç±

HTTP

SSL

book
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The Marvin Attack
Paper Q&A The Marvin Attack is a return of a 25 year old vulnerability that allows performing RSA decryption and signing operations as an attacker with the ability to observe only the time of the decryption operation performed with the private key. In 1998, Daniel Bleichenbacher discovered that the error messages given by SSL servers for errors in the PKCS #1 v1.5 padding allowed an adaptive-chose
efcl 2023/12/29
PKCS #1 v1.5ã®RSAã®è¤‡åˆåŒ–ã«é–¢ã™ã‚‹ã‚µã‚¤ãƒ‰ãƒãƒ£ãƒãƒ«æ”»æ’ƒã«ã¤ã„ã¦ã€‚ TLSã‚µãƒ¼ãƒã«å¯¾ã—ã¦ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯çµŒç”±ã§ã‚ã£ã¦ã‚‚ãƒŠãƒŽç§’ã®ã‚¿ã‚¤ãƒŸãƒ³ã‚°æ”»æ’ƒãŒã§ãã‚‹å¯èƒ½æ€§ã‚’ç¤ºã—ã¦ã„ã‚‹ã€‚çµ±è¨ˆçš„ãªå‡¦ç†ã‚’ã™ã‚‹ãŸã‚ã«æ¸¬å®šã®æ•°ã«ä¾å˜ã™ã‚‹

TLS

SSL

security
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TrustCor | Feisty Duck
efcl 2023/01/01
TrustCorã®ãƒ«ãƒ¼ãƒˆè¨¼æ˜Žæ›¸ã®å•é¡Œ ãƒ–ãƒ©ã‚¦ã‚¶ãŒCAã‚’ä¿¡é ¼ã—ãªã„ã¨ã—ãŸå ´åˆã€ãã®CAã¯å®Ÿè³ªçš„ã«ä½¿ãˆãªããªã‚‹

SSL
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Chrome Platform Status
efcl 2021/10/22
DNSãƒ¬ã‚³ãƒ¼ãƒ‰ã¨ã—ã¦HTTPSã§ã‚¢ã‚¯ã‚»ã‚¹ã™ã‚‹ã¹ãã‹ã‚’è¡¨ç¾ã§ãã‚‹HTTPS DNS Recordsã«ã¤ã„ã¦

HTTP

SSL

DNS
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GitHub - quictls/openssl: TLS/SSL and crypto library with QUIC APIs
efcl 2021/10/20
OpenSSLã®QUICã‚µãƒãƒ¼ãƒˆfork

SSL

QUIC
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Let's Encrypt's Root Certificate is expiring!
Scott Helme Security researcher, entrepreneur and international speaker who specialises in web techno logies. More posts by Scott Helme. On 30th September 2021, the root certificate that Let's Encrypt are currently using, the IdentT rust DST Root CA X3 certificate, will expire. You may or may not need to do anything about this Root CA expiring, but I'm betting a few things will probably break on tha
efcl 2021/09/21
2021å¹´9æœˆ30æ—¥ã§Let's EnctryptãŒåˆ©ç”¨ã—ã¦ã„ãŸIdenTrust DST Root CA X3ã®æœŸé™ãŒåˆ‡ã‚Œã‚‹

SSL
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GitHub - davewasmer/devcert: Local HTTPS development made easy
You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session. Dismiss alert
efcl 2021/07/27
ãƒãƒ¼ã‚«ãƒ«ã§é–‹ç™ºç”¨ã®HTTPSã‚µãƒ¼ãƒã®ä½œæˆã‚’è£œåŠ©ã™ã‚‹ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã€‚ ä»»æ„ã®ãƒ‰ãƒ¡ã‚¤ãƒ³ã«å¯¾ã™ã‚‹è¨¼æ˜Žæ›¸ã®ä½œæˆã€ãƒžã‚·ãƒ³ã¸ã®ãƒ«ãƒ¼ãƒˆè¨¼æ˜Žæ›¸ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ãªã©ãƒãƒ¼ã‚«ãƒ«ã§HTTPSã‚µãƒ¼ãƒã‚’èµ·å‹•ã™ã‚‹ã®ã‚’è£œåŠ©ã™ã‚‹ãƒ„ãƒ¼ãƒ«ã€‚

node.js

SSL

debug

Tools
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RFC 8996: Deprecating TLS 1.0 and TLS 1.1
ï»¿ Internet Engineering Task Force (IETF) K. Moriarty Request for Comments: 8996 CIS BCP: 195 S. Farrell Obsoletes: 5469, 7507 Trinity College Dublin Updates: 3261, 3329, 3436, 3470, 3501, 3552, March 2021 3568, 3656, 3749, 3767, 3856, 3871, 3887, 3903, 3943, 3983, 4097, 4111, 4162, 4168, 4217, 4235, 4261, 4279, 4497, 4513, 4531, 4540, 4582, 4616, 4642, 4680, 4681, 4712, 4732, 4743, 4744, 4785, 479
efcl 2021/03/25
TLS 1.0ã¨TLS 1.1ãŒDeprecatedã¨ãªã£ãŸ

security

SSL
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ç„¡æ–™ã® SSL è¨¼æ˜Žæ›¸ãŒå¾—ã‚‰ã‚Œã‚‹ ZeroSSL ã‚’ä½¿ã£ã¦ã¿ãŸ
ã¯ã˜ã‚ã« çš†ã•ã‚“ã¯ ZeroSSL ã‚’çŸ¥ã£ã¦ã„ã¾ã™ã‹ï¼Ÿå€‹äººã§ã‚¦ã‚§ãƒ–ã‚µã‚¤ãƒˆã‚’é‹å–¶ã—ã¦ã„ã‚‹çš†ã•ã‚“ã§ã‚ã‚Œã°ã€å¤šãã®æ–¹ã¯ Let's Encrypt ã‚’åˆ©ç”¨ã•ã‚Œã¦ã„ã‚‹ã¨æ€ã„ã¾ã™ã€‚ https://letsencrypt.org/ja/ ã‚‚ã¡ã‚ã‚“åƒ•ã‚‚ä½¿ã£ã¦ã„ã¾ã™ã€‚åƒ•ã®æ§˜ãªã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®æ–¹ã§ã‚ã‚Œã° SSL ã®ä»•çµ„ã¿ã‚‚ãŠãŠã‚ˆãç†è§£ã‚‚ã—ã¦ã„ã‚‹ã—ã€ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã®å®Ÿè¡Œæ–¹æ³•ã‚‚çŸ¥ã£ã¦ãŠã‚‰ã‚Œã‚‹ã®ã§ã‚¦ã‚§ãƒ–ã‚µã‚¤ãƒˆã® SSL è¨¼æ˜Žæ›¸ã‚’å–å¾—ã™ã‚‹äº‹ã‚‚ãã‚Œã»ã©é›£ã—ã„äº‹ã§ã¯ãªã„ã§ã—ã‚‡ã†ã€‚ ã—ã‹ã—ãã‚Œã»ã©è©³ã—ããªã„æ–¹ãŒ certbot ã®æ§˜ãªã‚³ãƒžãƒ³ãƒ‰ã‚’ä½¿ã£ã¦ SSL è¨¼æ˜Žæ›¸ã‚’ç™ºè¡Œã™ã‚‹ã®ã¯å‰²ã¨é›£ã—ã„äº‹ã§ã™ã€‚ãã“ã§ã”ç´¹ä»‹ã—ãŸã„ã®ãŒ ZeroSSL ã§ã™ã€‚ https://zerossl.com/ ZeroSSL ã¨ã¯ ZeroSSL ã‚‚ã¾ã ã‚ã¾ã‚Šåå‰ãŒçŸ¥ã‚‰ã‚Œã¦ã„ãªã„ã›ã„ã‹ã€Google æ¤œç´¢ã§ã€ŒZeroSSLã€ã‚’æ¤œç´¢ã™ã‚‹ã¨ã€ŒZeroS
efcl 2020/12/05
ZeroSSLã«ã¤ã„ã¦

SSL
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Free SSL Certificates and SSL Tools - ZeroSSL
Trusted Certificate Authority SSL Protection For Anyone Fast. Reliable. Free. Easily secure any site by putting SSL management on autopilot, supporting one-step validation and renewal via REST API. Full Protection Get full protection for any domain, website and backend system in under 5 minutes by using ZeroSSL, the easiest way to issue free SSL certificates. Quick Validation Get new and existing
efcl 2020/11/24
ACMEã«å¯¾å¿œã—ãŸLet's Encryptçš„ãªSSLè¨¼æ˜Žæ›¸ã®ç®¡ç†ã€è‡ªå‹•åŒ–ã‚µãƒ¼ãƒ“ã‚¹

SSL

webservice
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Reducing TLS Certificate Lifespans to 398 Days â€“ Mozilla Security Blog
We intend to update Mozillaâ€™s Root Store Policy to reduce the maximum lifetime of TLS certificates from 825 days to 398 days, with the aim of protecting our userâ€™s HTTPS connections. Many reasons for reducing the lifetime of certificates have been provided and summarized in the CA/Browser Forumâ€™s Ballot SC22. Here are Mozillaâ€™s top three reasons for supporting this change. 1. Agility Certificates
efcl 2020/07/10
TLSè¨¼æ˜Žæ›¸ã®æœ€å¤§ã®æœ‰åŠ¹æœŸé™ã‚’398æ—¥ã«åˆ¶é™ã™ã‚‹è©±ã€‚ Appleã®å¤‰æ›´ã®è¿½å¾“ã€CA/Browser Forumâ€™s Ballot SC22

Firefox

Mozilla

security

SSL
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About upcoming limits on trusted certificates - Apple Support
About upcoming limits on trusted certificates In our ongoing efforts to improve web security for our users, Apple is reducing the maximum allowed lifetimes of TLS server certificates. What's changing TLS server certificates issued on or after September 1, 2020 00:00 GMT/UTC must not have a validity period greater than 398 days. This change will affect only TLS server certificates issued from the R
efcl 2020/03/08
2020å¹´9æœˆä»¥é™ã«ç™ºè¡Œã•ã‚ŒãŸè¨¼æ˜Žæ›¸ã®æœ‰åŠ¹æœŸé™ã‚’æœ€å¤§13ãƒ¶æœˆ(398 days)ã«ã™ã‚‹ã¨ã„ã†å¤‰æ›´ãŒmacOSã€iOSãªã©ã«å…¥ã‚‹

safari

SSL

mac

iOS
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DigiCert's Position on 1-Year TLS SSL Certificates
UPDATE: While the industry has shortened validity times, we still offer service plans of up to 2, 3, even 6 yearsâ€”and the automation to make it seamless. Three, Two, One, Liftoff on One-Year TLS Certificates At the CA/Browser (CA/B) Forum in Bratislava, Slovakia, this week, Apple announced that beginning Sept. 1, newly issued publ icly trusted TLS certificates are valid for no longer than 398 days.
efcl 2020/02/21
Apple Safariã¯2020å¹´8æœˆ30æ—¥ä»¥é™ã«ç™ºè¡Œã•ã‚Œã‚‹TLSè¨¼æ˜Žæ›¸ã¯æœ‰åŠ¹æœŸé™ãŒ1å¹´1ãƒ¶æœˆã¨ã—ã¦æ‰±ã†ã‚‰ã—ã„ã€‚ ä»Šã®æœ€å¤§å€¤ã¯2å¹´ã€‚ã‚‚ã¨ã‚‚ã¨Googleã¨ã‹ãŒSC22ã§æœ‰åŠ¹æœŸé™ã‚’1å¹´ã«ã—ã‚ˆã†ã¨ææ¡ˆã—ãŸã‘ã©æŠ•ç¥¨ã§å¦æ±ºã•ã‚Œã¦ãŸä»¶ã®ç¶šã

safari

SSL

Certificate

apple
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- SSLé–¢é€£ã®éšœå®³ãŒãªãœèµ·ãã¦ã—ã¾ã†ã®ã‹ï¼Ÿ - ä½•ã§å¯¾å¿œç«¯æœ«ãŒå¤‰ã‚ã‚‹ã®ã‹ - ä½•ã‚’ã™ã‚Œã°éšœå®³ã‚’é˜²ã’ã‚‹ã®ã‹ï¼Ÿ - SSLå¯¾å¿œã™ã‚‹ãŸã‚ã«ã©ã†ã„ã†ä½“åˆ¶ã‚’çµ„ã‚“ã§ã„ãŸã‚‰ã„ã„ã®ã‹ï¼Ÿ ãŠã“ã¨ã‚ã‚Š: ç¤¾å†…å‘ã‘å‹‰å¼·ä¼šã®ã‚¹ãƒ©ã‚¤ãƒ‰ã‚’å†ç·¨é›†ã—ãŸã‚‚ã®ã§ã™ã€‚ç¤¾å¤–å‘ã‘ã«å‰²æ„›ã—ãŸçµæžœã€ã¡ãã¯ãã«ãªã£ã¦ã„ã‚‹éƒ¨åˆ†ãŒã‚ã‚Šã¾ã™ã€‚
efcl 2020/02/11
SSLã€è¨¼æ˜Žæ›¸ã®ã‚µãƒãƒ¼ãƒˆç’°å¢ƒã€ã‚¯ãƒã‚¹ãƒ«ãƒ¼ãƒˆè¨¼æ˜Žæ›¸ã€ç¢ºèªæ–¹æ³•ãªã©

SSL

ESLint
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/bin/bash based SSL/TLS tester: testssl.sh
Key features Clear output: you can tell easily whether anything is good or bad Ease of installation: Works for Linux, Mac OSX, FreeBSD, NetBSD and WSL/MSYS2/Cygwin out of the box: no need to install or configure something, no gems, CPAN, pip or the like. OpenBSD only needs bash to be postinstalled. Alternatively a Dockerfile is provided or you can just use docker run --rm -ti drwetter/testssl.sh F
efcl 2020/02/11
ãƒãƒ¼ã‚«ãƒ«ã‹ã‚‰TLS/SSLã®è¨¼æ˜Žæ›¸ã®ãƒã‚§ãƒƒã‚¯ãŒã§ãã‚‹ãƒ„ãƒ¼ãƒ«

SSL

Tools

console
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Why Public Wi-Fi is a Lot Safer Than You Think
If you follow security on the Internet, you may have seen articles warning you to â€œbeware of public Wi-Fi networks" in cafes, airports, hotels, and other public places. But now, due to the widespread deployment of HTTPS encryption on most popular websites, advice to avoid public Wi-Fi is mostly out of date and applicable to a lot fewer people than it once was. The advice stems from the early days
efcl 2020/02/01
HTTPSãŒãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã«ãªã£ã¦ããŸãŸã‚ãƒ‘ãƒ–ãƒªãƒƒã‚¯Wifiã¯è¨€ã‚ã‚Œã¦ã‚‹ã‚ˆã‚Šå®‰å…¨ã ã‚ˆã£ã¦è©±

HTTP

SSL

security
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Ballot SC22: Reduce Certificate Lifetimes
efcl 2019/10/29
è¨¼æ˜Žæ›¸ã®æœ‰åŠ¹æœŸé™ã‚’27ãƒ¶æœˆã‹ã‚‰13ãƒ¶æœˆæ¸›ã‚‰ã™ææ¡ˆã®æŠ•ç¥¨çµæžœã€‚ https://cabforum.org/pipermail/servercert-wg/2019-August/000894.html https://www.digicert.com/jp/blog/how-reduced-tls-ssl-certificate-lifetimes-to-one-year-would-affect-you/

SSL

Certificate

article
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crt.sh | Certificate Search
crt.shÂ Certificate Search Enter an Identity (Domain Name, Organization Name, etc), a Certificate Fingerprint (SHA-1 or SHA-256) or a crt.sh ID: Advanced... Â© Sectigo Limited 2015-2024. All rights reserved.
efcl 2019/09/03
è¨¼æ˜Žæ›¸ã®ç™ºè¡Œã‚’æ¤œç´¢ã§ãã‚‹ã€‚Certificate Fingerprint æ¤œç´¢

SSL

search
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CertShout: All your domains are public
efcl 2019/07/27
CTãƒã‚°ã«ã¤ã„ã¦

SSL

article
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Deploying TLS 1.3 at scale with Fizz, a performant open source TLS library
Deploying TLS 1.3 at scale with Fizz, a performant open source TLS library The new generation of Transport Layer Security (TLS 1.3) incorporates several new features that make internet traffic more secure, including encrypting handshake messages to keep certificates private, redesigning the way secret keys are derived, and a zero round-trip connection setup, which makes certain requests faster tha
efcl 2018/08/07
https://github.com/facebookincubator/fizz ã«ã‚ˆã‚‹TSL 1.3å¯¾å¿œã«ã¤ã„ã¦

SSL

facebook
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