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 is still a detached and quite
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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
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 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.
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
EC;
)
BIO_free(out);
if (tbio)
BIO_free(tbio);
return ret;
}
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and 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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View this message in context:
http://openssl.6102.n7.nabble.com/Data-and-Signature
://www.ietf.org/rfc/rfc5652.txt
https://en.wikipedia.org/wiki/Cryptographic_Message_Syntax
https://www.openssl.org/docs/apps/openssl.html
HTH,
Kris
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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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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
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
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