February 2023
Intermediate
256 pages
5h 50m
Japanese
Content preview from アルゴリズム図鑑 増補改訂版 絵で見てわかる33のアルゴリズム
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No.
5-2
現代のインターネット社会において、暗号技術は不可欠です。データを暗号化・復号するとき
に、コンピュータはどのような処理を行っているのでしょうか。本節では、セキュリティに関す
る技術の中から「暗号」を取り上げ、その必要性や基本的な原理を説明します。
A B
abc abc
internet
A B
X
abc abc
abc
internet
A
さ
B
さにインターットデータ
とていとデータはイン
ターットのットーク
て
B
さに図のにの
のデータとと
意のにデータさ可能
り
01 02
A B
X
internet
abc
?
03
暗号文
暗号化
のめにいデー
タは暗号化て
り暗号化さデータ
「暗号文」と
A B
X
internet
abc
? ?
暗号文
B
さに
A B
X
internet
abc abc
? ?
B
さは
A
さ暗号文の暗号除のデータ暗号文のデー
タにと「復号」と
A B
X
internet
abc abc
? ?
?
のにデータ暗号化てと意のにさとて ...
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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.