Hello,
Thanks. Your answer helped a lot and I'm progressing now. Could You please
also give me a hint what M_ASN1_BIT_STRING_dup/ASN1_BIT_STRING_dup could be
replaced with?
Best regards,
A.K.
On Fri, Sep 9, 2016 at 2:44 PM, Dr. Stephen Henson <steve at openssl.org>
wrote:
> On Fri, Sep 09, 2016, Aleksandr Konstantinov wrote:
>
> > Hello,
> >
> > Thanks for your answer. Here is one of d2i functions simplified:
> >
> > MYEXT * d2i_MYEXT(MYEXT ** myext, unsigned char ** pp, long length) {
> > M_ASN1_D2I_vars(myext, MYEXT *, MYEXT_new);
> > M_ASN1_D2I_Init();
> > M_ASN1_D2I_start_sequence();
> > M_ASN1_D2I_get_EXP_opt(ret->intmember, d2i_ASN1_INTEGER, 1);
> > M_ASN1_D2I_get_opt(ret->intmember, d2i_ASN1_INTEGER, V_ASN1_INTEGER);
> > M_ASN1_D2I_Finish(myext, MYEXT_free, ASN1_F_D2I_MYEXT);
> > }
> >
> >
>
> Presumably the two fields aren't the same? I'll call one intmember2 for
> this example.
>
> The above would translate to something like:
>
> ASN1_SEQUENCE(MYEXT) = {
> ASN1_EXP_OPT(MYEXT, intmember, ASN1_INTEGER, 1),
> ASN1_OPT(MYEXT, intmember2, ASN1_INTEGER)
> } ASN1_SEQUENCE_END(MYEXT)
>
> IMPLEMENT_ASN1_FUNCTIONS(MYEXT)
>
> Then you include:
>
> DECLARE_ASN1_FUNCTIONS(MYEXT)
>
> in a header file.
>
> That generates four functions MYEXT_new(), MYEXT_free(), d2i_MYEXT() and
> i2d_MYEXT().
>
> Steve.
> --
> Dr Stephen N. Henson. OpenSSL project core developer.
> Commercial tech support now available see: http://www.openssl.org
> --
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>
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