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The library does not check the situation if signature algorithm is defined but no signature is provided #2

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dmak opened this issue Jan 30, 2018 · 2 comments
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The library does not check the situation if signature algorithm is defined but no signature is provided #2

dmak opened this issue Jan 30, 2018 · 2 comments
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@robotdan

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@dmak
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dmak commented Jan 30, 2018

Please doublecheck this is a valid issue. According to JWS §4.1.1 "alg" Header Parameter MUST be present and MUST be understood and processed by implementations.

In my opinion that means that if "alg" is not "none", then signature must be present and verified. Attached
JwtTest.java.txt demonstrates the problem.
robotdan added a commit that referenced this issue Jan 30, 2018
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Fixes Issue #2, bug exists that allows a JWT to be decoded even when …
0d94dce 
…no signature is provided.
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Hi @dmak ,

You are correct, this is not the intended behavior, I thought I had a test that covered this scenario. I added your test and resolved the issue.

Thanks for pointing this out.

@robotdan robotdan self-assigned this Jan 30, 2018
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Resolved in version 1.3.0

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