How to parse GeneralNames?

[Vasily Olekhov]

Greetings. I can't parse GeneralNames section in AuthorityKeyIdentifier extension of X509 Certificate.

Libtasn1 stumbles upon GeneralName.

Minium [not]working example:

choice.der:

0000000: a4 22 30 20 31 1e 30 1c 06 09 2a 86 48 86 f7 0d  ."0 1.0...*.H...
0000010: 01 09 01 16 0f 64 69 74 40 6d 69 6e 73 76 79 61 address@hidden
0000020: 7a 2e 72 75                                      z.ru

This snippet should have parsed as 

[4] (directoryName [4] Name)

  SEQUENCE (Name: CHOICE(RDNSequence) )

    SET (RDNSequence: SET ... OF AttributeTypeAndValue)

      SEQUENCE (AttributeTypeAndValue)

        OBJECT IDENTIFIER 1.2.840.113549.1.9.1 emailAddress (PKCS #9. Deprecated, use an altName extension instead)

        IA5String address@hidden

I am trying to parse like this:

r=asn1_create_element(pkix_defs, "PKIX1Implicit88.GeneralName", &gn);

r=asn1_der_decoding(&gn, pbBlob, cbBlob, errorDescription);

This results in 

[TAG_ERROR][:: tag error near element 'directoryName.rdnSequence.?1.']

PKIX1Implicit88 definitions are from examples directory.

Vasiliy