On Thu, Apr 13, 2006, Brad Hards wrote:
> I'm trying to do detached CMS signatures and verification using the
> PKCS7_sign() and PKCS7_verify() functions. It appears to work OK, except that
> my test case for a zero length array fails to verify() - looks like the
> signature is OK though.
>
> The documentation suggests that PKCS7_verify() isn't expected to work
> ("indata
> cannot be NULL"). Are there any alternative functions that I should be
> looking at? Or is there some workaround?
>
Have you tried passing it an empty memory BIO?
Steve.
--
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