Re: Help on Diffie Hellman key exchange

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Thanks Tomas, 

I will try that.

On Tue, Nov 12, 2019 at 3:14 AM Tomas Mraz <tmraz@xxxxxxxxxx> wrote:
On Mon, 2019-11-04 at 17:34 -0500, Jason Qian via openssl-users wrote:
> Hi
>   
>    We have an application that does the Diffie Hellman key exchange
> (OpenSSL/1.1.0f).
>    It works fine, but under heavy loaded conditions, sometimes an
> invalide secret been generated and other side couldn't decrypt the
> data (the secret seems offset by one).     
>
>    The client side is c++ and the server side is java.
>
>     DH_compute_key(secretKey, bnY, m_DH);
>
>    Someone in the openssl group also talks about a similar issue, but
> not sure if have a solution.

Could it be a padding issue? I.E. use DH_compute_key_padded() instead.

--
Tomáš Mráz
No matter how far down the wrong road you've gone, turn back.
                                              Turkish proverb
[You'll know whether the road is wrong if you carefully listen to your
conscience.]



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