投稿時間:2023-05-31 07:13:37 RSSフィード2023-05-31 07:00 分まとめ(14件)

カテゴリー等	サイト名等	記事タイトル・トレンドワード等	リンクURL	頻出ワード・要約等/検索ボリューム	登録日
IT	気になる、記になる…	Googleの｢Pixel Watch 2｣のスペックに関する情報が明らかに − Snapdragonチップ搭載でバッテリー駆動時間が大幅に改善か	https://taisy0.com/2023/05/31/172320.html	pixelwatch	2023-05-30 21:34:15
IT	気になる、記になる…	Apple、｢watchOS 9.5.1｣を配信開始 − バグ修正	https://taisy0.com/2023/05/31/172318.html	watch	2023-05-30 21:20:21
Ruby	Railsタグが付けられた新着投稿 - Qiita	【解決方法】Encountered a syntax error while rendering template: check とは？	https://qiita.com/tomoya_webtensyoku/items/e5ab9d9c6adea72cad9e	【解決方法】EncounteredasyntaxerrorwhilerenderingtemplatecheckとはRubyonrailsを学習中の方の参考にしてもらえたら嬉しいです。	2023-05-31 06:38:55
海外TECH	Ars Technica	What to expect at WWDC 2023: Reality Pro, iOS 17, and new MacBooks	https://arstechnica.com/?p=1942968	major	2023-05-30 21:05:16
海外TECH	MakeUseOf	How to Save Images From Google Maps	https://www.makeuseof.com/save-google-maps-images/	houses	2023-05-30 21:30:24
海外TECH	MakeUseOf	The 7 Worst Tinder Scams: Tips for Dating Safely on Tinder	https://www.makeuseof.com/tag/using-tinder-beware-scams/	account	2023-05-30 21:05:21
海外TECH	DEV Community	Demystifying PGP Keys: Understanding the Inner Workings of Public-Key Cryptography	https://dev.to/jsquared/demystifying-pgp-keys-understanding-the-inner-workings-of-public-key-cryptography-57aj	Demystifying PGP Keys Understanding the Inner Workings of Public Key CryptographyIn the world of secure communication PGP Pretty Good Privacy stands as a widely used encryption standard At the heart of PGP lies the concept of public key cryptography which ensures the confidentiality integrity and authentication of digital messages In this article we will delve into the workings of PGP keys exploring the principles of public key cryptography key generation encryption and digital signatures Understanding Public Key CryptographyPublic key cryptography also known as asymmetric cryptography employs a pair of mathematically related keys the public key and the private key These keys are generated together but while the public key is shared openly the private key remains a closely guarded secret Public key cryptography relies on the fact that data encrypted with the public key can only be decrypted using the corresponding private key PGP Key GenerationKey Pair Generation To generate a PGP key pair a user typically utilizes specialized software or tools The process involves generating a random private key and using mathematical algorithms to derive the corresponding public key The private key must be kept secure ideally stored in a password protected keyring or secure key management system Public Key Distribution Once the key pair is generated the public key can be freely distributed to others via email key servers or public key directories The public key is associated with the user s identity and is used by others to encrypt messages intended for that user PGP Key UsageEncryption When a sender wants to send an encrypted message to a recipient they obtain the recipient s public key and use it to encrypt the message This process ensures that only the intended recipient possessing the corresponding private key can decrypt and read the message The encrypted message can be safely transmitted over insecure channels Decryption Upon receiving an encrypted message the recipient uses their private key to decrypt the message and access its contents The private key is never shared or disclosed to others ensuring the confidentiality of the communication Digital Signatures In addition to encryption PGP keys also enable the use of digital signatures A digital signature is created by using the sender s private key to encrypt a unique hash value derived from the message This encrypted hash serves as a digital fingerprint verifying the authenticity and integrity of the message Recipients can verify the signature using the sender s public key confirming that the message has not been tampered with and originated from the claimed sender Key Trust and Web of TrustTo establish trust in the authenticity of public keys PGP relies on a decentralized model called the Web of Trust Users verify the identity of others by personally signing their public keys essentially vouching for their authenticity These signatures create a network of trust where the reputation and trustworthiness of individuals within the network determine the level of confidence in the associated public keys Key Revocation and ExpirationIn case a private key is compromised or lost PGP allows for key revocation A revocation certificate generated with the private key is distributed to notify others that the associated key is no longer valid or trustworthy Additionally PGP keys can have expiration dates ensuring that keys are regularly renewed or revoked if no longer in use ConclusionPGP keys and public key cryptography provide a robust framework for secure communication ensuring the confidentiality integrity and authenticity of digital messages By understanding the workings of PGP keys individuals can leverage this encryption standard to protect their sensitive information establish secure communication channels and authenticate the identity of participants PGP s reliance on public and private key pairs encryption and digital signatures empowers users to communicate with confidence in an increasingly interconnected and privacy sensitive world	2023-05-30 21:36:02
Apple	AppleInsider - Frontpage News	Apple TV app and Apple TV+ are down for some users	https://appleinsider.com/articles/23/05/30/apple-tv-app-and-apple-tv-are-down-for-some-users?utm_medium=rss	Apple TV app and Apple TV are down for some usersAn increasing number of users across the globe report that Apple TV and its app are failing to load content on Tuesday Apple TV services are downApple TV is a streaming service available across multiple platforms for watching original TV shows and movies Users report that the Apple TV service and app also called Apple TV aren t loading content Read more	2023-05-30 21:34:18
海外科学	NYT > Science	Debt Deal Includes a Green Light for a Contentious Pipeline	https://www.nytimes.com/2023/05/30/climate/mountain-valley-pipe.html	Debt Deal Includes a Green Light for a Contentious PipelineClimate activists are livid over a provision in the debt limit agreement that orders federal agencies to issue permits for the Mountain Valley Pipeline ーand says courts can t review them	2023-05-30 21:53:29
ニュース	BBC News - Home	Phillip Schofield dropped as Prince's Trust ambassador	https://www.bbc.co.uk/news/entertainment-arts-65761305?at_medium=RSS&at_campaign=KARANGA	morning	2023-05-30 21:46:45
ニュース	BBC News - Home	US penalises Kosovo after violent unrest	https://www.bbc.co.uk/news/world-europe-65759214?at_medium=RSS&at_campaign=KARANGA	kosovo	2023-05-30 21:13:29
ニュース	BBC News - Home	Two believed trapped after Davenport, Iowa building collapse	https://www.bbc.co.uk/news/world-us-canada-65753750?at_medium=RSS&at_campaign=KARANGA	building	2023-05-30 21:40:48
ビジネス	ダイヤモンド・オンライン - 新着記事	AIブーム支える先進半導体、供給不足が深刻 - WSJ発	https://diamond.jp/articles/-/323729	深刻	2023-05-31 06:04:00
ビジネス	東洋経済オンライン	｢方針がない…｣残念な上司が言うトホホな言い訳 トヨタの強さの源泉はマネジャーの｢言語化力｣だった | リーダーシップ・教養・資格・スキル | 東洋経済オンライン	https://toyokeizai.net/articles/-/675858?utm_source=rss&utm_medium=http&utm_campaign=link_back	東洋経済オンライン	2023-05-31 06:30:00