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Re: [wakaama-dev] Secureclient connection failure
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Hi Achim,
Thanks for the answer.
I found my issue root cause:
get_security_object uses strdup API to duplicate the psk key,
Unfortunately my psk key contains 0x00 value in a middle of psk key
string buffer.
As a result strdup duplicates not whole psk buffer string.
The solution is to use malloc(psklen) instead of strdup API.
Regards,
Boris Shlafman
2016-03-22 12:12 GMT+02:00 Kraus Achim (INST/ESY1) <Achim.Kraus@xxxxxxxxxxxx>:
> Hi Boris,
>
> see:
>
> https://sourceforge.net/p/tinydtls/tickets/24/
>
> (my experience was, that the effective limit is 16 bytes.)
>
> Mit freundlichen Grüßen / Best regards
>
> Achim Kraus
>
> Bosch Software Innovations GmbH
> Communications (INST/ESY1)
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>
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>
> -----Ursprüngliche Nachricht-----
> Von: wakaama-dev-bounces@xxxxxxxxxxx [mailto:wakaama-dev-bounces@xxxxxxxxxxx] Im Auftrag von ????? ?????
> Gesendet: Montag, 21. März 2016 14:42
> An: wakaama-dev@xxxxxxxxxxx
> Betreff: [wakaama-dev] Secureclient connection failure
>
> Hi all,
>
> I’m getting the “WARN Wrong epoch, expected 1, got: 0” error on secure client connection attempt to Leshan server when using Psk key longer than 28 bytes.
>
> Is there away the enable Psk key to be longer than 28 bytes?
>
>
>
>
>
>
>
> Thanks in advance,
>
> Boris Shlafman
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