[gnutls-help] Suport for signature algorithm 1.3.14.3.2.29 (sha1WithRSA)

Daniel Kahn Gillmor dkg at fifthhorseman.net
Fri Oct 25 20:09:48 CEST 2013


On 10/25/2013 10:43 AM, Tobias Gruetzmacher wrote:

> while working with a self-signed certificate I got from a client, I
> noticed, certtool will spit out:
> 
>     Signature Algorithm: unknown
> warning: signed using a broken signature algorithm that can be forged.
> 
> while OpenSSL detects this correctly as:
> 
>     Signature Algorithm: sha1WithRSA


that's odd.  SHA1 with RSA would normally be: 1.2.840.113549.1.1.5

> When I activate debugging I get this additional message:
> 
> |<2>| Unknown SIGN OID: '1.3.14.3.2.29'

how was this generated?

https://bugzilla.mozilla.org/show_bug.cgi?id=405966#c1

snd follow-on remarks suggest that this is a duplicate of the PKCS#1 OID
definitions.  I think that libNSS interprets this as a synonym.  maybe
gnutls should do the same?

	--dkg

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