> From: owner-openssl-us...@openssl.org On Behalf Of redpath
> Sent: Thursday, 25 April, 2013 09:40
> To: openssl-users@openssl.org
> Subject: Re: Data and Signature (envelope)
>
> I looked at the latest smsign.c shown below modified with a
> large data item.
> The result
free(in);
if (out)
BIO_free(out);
if (tbio)
BIO_free(tbio);
return ret;
}
--
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On Thu, Apr 25, 2013, Viktor Dukhovni wrote:
> On Wed, Apr 24, 2013 at 10:35:04PM -0400, Dave Thompson wrote:
>
> > > I am assuming RSA though I would like to do ECDSA.
> >
> > These APIs will use any privatekey for which a signature
> > scheme is available; that's RSA DSA ECDSA (or pedantically
On Thu, Apr 25, 2013, redpath wrote:
> I took the sign.c example and modified it slightly to use artifacts I have,
> but it seems the result just produces a PKCS7 that has a signature?
> I want to have the data (PDF or JPG) in there as I need to use it after
> validating
> that it is trusted.
>
Exactly a non-detached, I see the constant detached and thought thats what it
meant but that road lead nowhere, so if anyone has pointers how to make a
non-detacched or modify below that would be
great.
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On 4/25/2013 1:13 PM, redpath wrote:
I took the sign.c example and modified it slightly to use artifacts I have,
but it seems the result just produces a PKCS7 that has a signature?
I want to have the data (PDF or JPG) in there as I need to use it after
validating
that it is trusted.
Basically I
quot;%d \n",BIO_write(p7bio,buf,i) );
}
if (!PKCS7_dataFinal(p7,p7bio)) goto err;
BIO_free(p7bio);
PEM_write_PKCS7(stdout,p7);
PKCS7_free(p7);
exit(0);
err:
ERR_load_crypto_strings();
ERR_print_errors_fp(stderr);
ex
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__
OpenSSL Project http
On Wed, Apr 24, 2013 at 10:35:04PM -0400, Dave Thompson wrote:
> > I am assuming RSA though I would like to do ECDSA.
>
> These APIs will use any privatekey for which a signature
> scheme is available; that's RSA DSA ECDSA (or pedantically
> EC; openssl uses the same EC_KEY struct for ECDSA and
> From: owner-openssl-us...@openssl.org On Behalf Of redpath
> Sent: Wednesday, 24 April, 2013 18:10
> I saw the CMS but I did not see how to store raw data which I need to
> extract?
> Lets assume the data was a JPG and I created signature from
> the MD (SHA1)
> how can I get the JPG use it and
data (JPG) derived MD from it for a signature and I have a private key.
I am assuming RSA though I would like to do ECDSA.
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envelope; any suggestions?
>
Have a look at CMS:
http://www.ietf.org/rfc/rfc5652.txt
https://en.wikipedia.org/wiki/Cryptographic_Message_Syntax
https://www.openssl.org/docs/apps/openssl.html
HTH,
Kris
>
>
>
> --
> View this message in context:
> http://openssl.6102.n7.nabble.com/Dat
the signature
and that would be?
x.509 (that does not make sense or does it)
pkcs12 (maybe)
so what would it be? Of course I have to figure out how to extract the info
out of the
new envelope; any suggestions?
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