Hello, everybody!
I'm trying to use OpenSSL ASN.1 template API (from asn1t.h) to parse ASN.1
objects in my application. The thing is that I have to use application tags
instead of default ones:
Foo ::= [APPLICATION 13] SEQUENCE {
m01 INTEGER,
m02 OCTET STRING
and the macros (like ASN1_SEQUENCE) don't seem to provide app tags params, or
at least I can't get how to do it.
The macro IMPLEMENT_ASN1_FUNCTIONS seems to make use of ASN1_item_d2i which in
turn calls ASN1_item_ex_d2i passing -1 as tag.
So how do I define Foo parsing functions so that they could regognize the
struct by the app tag 13? Should I simply manually tweak generated templates?
What member do I change, then? Can I just reassign the tag member of the
template? How do I specify that this is application tag, not universal?
Thank you in advance.
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