On 3/22/2011 12:31 PM, Massimiliano Pala wrote:
Hi Douglas,
the issue here is to be sure that things are done correctly - e.g., for testing
that the crypto used by the CA issuing a certificate is ok. In any case, the NID
from the signer can be missing (in fact, AFAIK, the curves should be prov
Hi Douglas,
the issue here is to be sure that things are done correctly - e.g., for testing
that the crypto used by the CA issuing a certificate is ok. In any case, the NID
from the signer can be missing (in fact, AFAIK, the curves should be provided
with
explicit params - implicit params are de
On 3/22/2011 10:10 AM, Massimiliano Pala wrote:
Hello Stephen, all,
thanks for all the advices, I ended up doing the following:
1. Grab the Key from the Certificate
2. Cycle through the built-in curves
3. Generate a new point from the Key's group
4. if order(curve[i]) == order(key) and point i
Hello Stephen, all,
thanks for all the advices, I ended up doing the following:
1. Grab the Key from the Certificate
2. Cycle through the built-in curves
3. Generate a new point from the Key's group
4. if order(curve[i]) == order(key) and point is on curve[i]
==> curve found! ; return nid
5. i
On 3/22/2011 9:25 AM, Massimiliano Pala wrote:
Hello Peter, all,
thanks for the hint.. but I was actually looking more at a way to check if
a certificate has been signed with one of the curves you listed. Maybe it is
not possible, but it would be nice to be able to say "this certificate has
be
On Tue, Mar 22, 2011, Massimiliano Pala wrote:
> Hello Peter, all,
>
> thanks for the hint.. but I was actually looking more at a way to check if
> a certificate has been signed with one of the curves you listed. Maybe it is
> not possible, but it would be nice to be able to say "this certificate
Hello Peter, all,
thanks for the hint.. but I was actually looking more at a way to check if
a certificate has been signed with one of the curves you listed. Maybe it is
not possible, but it would be nice to be able to say "this certificate has
been signed with P-256" - since this can be a requir
On 3/21/2011 7:01 PM, Massimiliano Pala wrote:
Hi all,
I was wondering: how do I verify if a pkey used in an ECDSA certificate is
on one specific curve ?
The certificate should have as part of the Public Key Info the OID
of the curve used, (or the parameters of the curve)
Or, better, how t
Date: 22/03/2011 10:08 AM
Subject:EC curve names
Hi all,
I was wondering: how do I verify if a pkey used in an ECDSA certificate is
on one specific curve ? Or, better, how to easily print out the txt identifier
of the curve used in a certificate ? That would be a useful addition to the
output in a ECDSA certificate. Something like:
...
C
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