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encoding/asn1: Unmarshaling NumericString (ASN.1 Tag 18) unsupported #22396

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vkuzenkov opened this issue Oct 23, 2017 · 4 comments
Closed

encoding/asn1: Unmarshaling NumericString (ASN.1 Tag 18) unsupported #22396

vkuzenkov opened this issue Oct 23, 2017 · 4 comments
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FrozenDueToAge help wanted NeedsFix The path to resolution is known, but the work has not been done.
Milestone
Unplanned

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@vkuzenkov
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What version of Go are you using (go version)?

1.9

Does this issue reproduce with the latest release?

Yes

What operating system and processor architecture are you using (go env)?

GOARCH=amd64
GOHOSTARCH=amd64
GOHOSTOS=windows

What did you do?

I'm trying to unmarshal certificate IssuerName to pkix.RDNSequence
https://play.golang.org/p/NceOK3kaxA

What did you expect to see?

Value 1024001434049 in OID 1.2.643.100.1
Value 004029017981 in OID 1.2.643.3.131.1.1

What did you see instead?

nil in both oids
@gbbr gbbr changed the title encoding\asn1 Unmarshaling NumericString (ASN.1 Tag 18) unsupported encoding/asn1: Unmarshaling NumericString (ASN.1 Tag 18) unsupported Oct 23, 2017
@vkuzenkov
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I've tried to solve the problem locally and had some success.
I've just add const TagNumericString = 18 in encoding\asn1\common.go to ASN.1 tags list and add new case to parseField function, using existing parsePrintableString function.

@ianlancetaylor
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CC @agl

@ianlancetaylor ianlancetaylor added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Oct 23, 2017
@ianlancetaylor ianlancetaylor added this to the Go1.10 milestone Oct 23, 2017
@agl agl self-assigned this Oct 27, 2017
@agl
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agl commented Oct 27, 2017

(Request is reasonable. Unclear whether it'll happen before 1.10 though.)

@bradfitz bradfitz added help wanted NeedsFix The path to resolution is known, but the work has not been done. and removed NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. labels Nov 16, 2017
@bradfitz bradfitz modified the milestones: Go1.10, Unplanned Nov 16, 2017
@gopherbot
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Change https://golang.org/cl/78655 mentions this issue: encoding/asn1: support Unmarshaling NumericString

@rsc rsc mentioned this issue Dec 13, 2017
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@golang golang locked and limited conversation to collaborators Nov 25, 2018
@rsc rsc unassigned agl Jun 23, 2022
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@bradfitz @agl @ianlancetaylor @vkuzenkov @gopherbot