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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A B
internet
abc
はメッセージ認証コード
とてい
A
さ
B
さめに
の号「
abc
」といメッセージ
と
A B
internet
abc
A
さメッセージ暗号化
暗号化には「共通鍵暗号方式」
いと
A
さは方法
鍵
B
さに
5-4
p.148
5-5
p.152
5-7
-
p.164
01
02
No.
5-8
メッセージ認証コードは、「認証」と「改ざんの検出」の
2
つの機能を実現する仕組みです。暗
号文であっても、途中で内容を改ざんされ、別の内容として復号されてしまい、誤解を生むおそ
れがあります。それを防ぐのが、メッセージ認証コードです。
鍵交換の方法は「公開鍵暗号方式」
「ディフィ
-
ヘルマン鍵交換法」の
鍵交換プトコルい
A B
internet
abc
?
A
さは共鍵いてメッセージ暗号文に
A B
internet
abc
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abc
A
さは暗号文
B
さにり
B
さは暗号文復号
B
さはメッセージ
号「
abc
」と ...
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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.