[jira] [Resolved] (SSHD-492) Use DERParser/DERWriter to correctly sign/verify hashes

["Goldstein Lyor (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SSHD-492?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Goldstein Lyor resolved SSHD-492.
---------------------------------
    Resolution: Fixed

Also fixed:

* Separated _Signature#initSigner_ and _Signature#initVerifier_ in order to make sure that only *one* is called at a time. The original _init_ method was accepting *both* public and private key and thus the code is confusing since an initialized signature can be used only for *one* purpose - signing or verifying
* Fixed _AbstractSignature#extractSignature_ (and renamed it) to make it more robust in detecting whether a signature is encoded or not
* Added coverage tests to check that RSA (up to 4096 bits) and DSS (up to 1024 bits) signatures are handled correctly as well

> Use DERParser/DERWriter to correctly sign/verify hashes
> -------------------------------------------------------
>
>                 Key: SSHD-492
>                 URL: https://issues.apache.org/jira/browse/SSHD-492
>             Project: MINA SSHD
>          Issue Type: Improvement
>    Affects Versions: 1.0.0
>            Reporter: Goldstein Lyor
>            Assignee: Goldstein Lyor
>             Fix For: 1.0.0
>
>
> The current code does not handle correctly DER lengths > 127 (even if for now it is unlikely to be encountered).



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