July 2018
Intermediate to advanced
268 pages
7h 36m
English
Content preview from Hands-On Spring Security 5 for Reactive Applications
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Signature
The signature is formed as follows:
- The header is base64 encoded: base64(header).
- The payload is base64 encoded: base64(payload).
- Now join the values in Step 1 and Step 2 with a "." in the middle:
base64UrlEncode(header) + "." +base64UrlEncode(payload)
- Now, the signature is attained by hashing, using the algorithm specified in the header, the value attained in Step 3, and then appending it with the secret text (say packtpub) of your choice:
HMACSHA256( base64UrlEncode(header) + "." + base64UrlEncode(payload), packtpub)
The final JWT is as shown here:
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IlRlc3QgVXNlciIsImlhdCI6MTUxNjIzOTAyMn0.yzBMVScwv9Ln4vYafpTuaSGa6mUbpwCg84VOhVTQKBg
The website https://jwt.io/ ...
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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.
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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.