February 2013
Intermediate to advanced
380 pages
7h 45m
Japanese
Content preview from Nodeクックブック
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244
7 章 セキュリティ、暗号化、認証
値を扱いやすいオブジェクト型に格納して返します。
ヘッダ値のオブジェクトを
auth
に格納し、最初に
username
が正しいかを確認します。
username
が間違っている場合は、再度クライアントに認証を求めます。ハッシュ関数を実行する前にこの確
認を行うことで、ハッシュ化の重い処理を必要な場合にのみ実行します。
最後の
MD5
ハッシュ値（
digest.response
）は、最初にハッシュ化される
2
つの
MD5
ハッシュ
値と
nonce
、
qop
、
cnonce
、
nc
の各属性値をつなげた値をハッシュ化して生成されます。
最初にハッシュ化される
2
つの値の
1
つ目は
digest.ha1
で、コロンで区切られた
username
、
realm
、そして
password
の値をハッシュ化したものです。
2
つ目にハッシュ化される
digest.ha2
はリクエストメソッド（
GET
）と
URI
をコロンで区切った値をハッシュ化したものです。
サーバで生成された
digest.response
は、ブラウザが生成し送信した
auth.response
の値と一
致しなければなりません。そのため、
digest.response
にハッシュ化される文字列をつなげる順番
は正しいものである必要があります。
digest.ha1
、
nonce
、
nc
、
cnonce
、
qop
、そして
digest.ha2
を順番どおりにコロンでつなげます。読みやすいように、これらの値を配列に格納して、
join
で
つなぎます。この値を
md5
関数に渡し、最後の ...
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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.