May 2019
Beginner to intermediate
296 pages
6h 58m
Japanese
Content preview from IT用語図鑑 ビジネスで使える厳選キーワード256
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
204
関連用語
用語に関連する話
用語の使用例
電子署名
本 人 が 作 成したことを 確 認 する
印 鑑 や サインのように、電 子ファイルに 対して「 本 人 が 作 成した 」もしくは「 承 認した」こ
とを証明するために使われる方 法に「電子署名」がある。電子データでも印鑑を押した
場 合と同 様 に 、他 人 によっ て 書 き 換 えら れ たり、勝 手 に 作 成 され ることが な い ことを 証 明 す
るため 、公 開 鍵 暗 号 の 手 法を応 用した方 法が 使 われ ている。
公開鍵暗号を用いた
電子署名
公開鍵暗号の方式を用いて、秘密
鍵で署名したデータを、署名者の
公開鍵で復号し検証する方法を
デジタル署名と言う。
否認を防止する
正しく復号できれば、暗号化され
た電子文書が署名者によって作
成されたと証明されるため、署名
者はその電子文書を作成したと
いう事実を否認できなくなる。
ソフトウェアの電子署名
配布元を偽装してなりすましや
改ざんが行われることを防ぐた
め、ソフトウェアにデジタル署名
するコードサイニング証明書が
使われている。
Keyword
181
▶
で ん ししょめ い
「自分が作成した文書には電子署名を付けておけば安心だね。」
ハッシュ
……P203
証明書
……P205
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.