On Fri, Mar 7, 2014 at 11:05 AM, Andy Polyakov via RT <[email protected]>wrote:

> > The GOST HMAC code using NID_id_GostR3411_94 will segfault if you use
> > HMAC_Update with zero length input data.
>
> This is not complete truth. It crashes with zero length only if data
> pointer is NULL (or more accurately less that 32) as well. It's not a
> justification, it's purely for protocol.
>
>
> http://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=ea38f020492042bc1d1adc26ef197b0b9cadf968


Thank you, this fixed the issue.

// Rickard

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