Attachment 861478 Details for Bug 674684 – python script that uses pyasn1 to encode a raw DER pkinit-subject-alt-name extension

python script that uses pyasn1 to encode a raw DER pkinit-subject-alt-name extension

pkinit-der-encode.py (text/plain), 1.64 KB, created by Kai Engert (:kaie) (inactive account) on 2014-02-10 16:07:56 UTC

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Creator: Kai Engert (:kaie) (inactive account)

Created: 2014-02-10 16:07:56 UTC

Size: 1.64 KB

patch

obsolete

>from pyasn1.codec.der import encoder
>from pyasn1.type import univ, char, tag
>
>def fill_sequence(seq, *vals):
>	for i in range(len(vals)):
>		seq.setComponentByPosition(i, vals[i])
>
>class IntegerTagged0(univ.Integer):
>   tagSet = univ.Integer.tagSet.tagExplicitly(
>        tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))
>
>class SequenceTagged1(univ.Sequence):
>   tagSet = univ.Sequence.tagSet.tagExplicitly(
>        tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1))
>
>class SequenceTagged0(univ.Sequence):
>   tagSet = univ.Sequence.tagSet.tagExplicitly(
>        tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))
>
>class SequenceImplicitlyTagged0(univ.Sequence):
>   tagSet = univ.Sequence.tagSet.tagImplicitly(
>        tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))
>
>class GeneralStringTagged0(char.GeneralString):
>   tagSet = char.GeneralString.tagSet.tagExplicitly(
>        tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))
>
>id_pkinit_san = univ.ObjectIdentifier('1.3.6.1.5.2.2')
>
>realm = GeneralStringTagged0('EXAMPLE.COM@EXAMPLE.COM')
>
>name_type = IntegerTagged0(1)
>
>name_string = SequenceTagged1()
>fill_sequence(name_string, char.GeneralString('krbtgt'), char.GeneralString('EXAMPLE.COM@EXAMPLE.COM'))
>
>principal_name = SequenceTagged1()
>fill_sequence(principal_name, name_type, name_string)
>
>KRB5PrincipalName = SequenceTagged0()
>fill_sequence(KRB5PrincipalName, realm, principal_name)
>
>other_san = SequenceImplicitlyTagged0()
>fill_sequence(other_san, id_pkinit_san, KRB5PrincipalName)
>
>all_san = univ.Sequence()
>fill_sequence(all_san, other_san)
>
>outfile = open("pkinit.san-extension.der", "wb");
>outfile.write(encoder.encode(all_san))
>outfile.close()

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Attachments on bug 674684: 476672 | 740648 | 740651 | 740860 | 740894 | 861478 | 861481 | 861482 | 861486