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Parallel signatures and Counter signatures

Posted: 07/14/2008 10:23:10
by Simone Ferrari (Basic support level)
Joined: 12/03/2007
Posts: 22

I am trying to make my application compliant with some regulations. The regulations mention 'parallel signatures' and 'counter signatures'.

While counter signatures are handled by PKIBlackBox how exactly do you handle 'parallel signatures'? The regulations in question state that 'parallel signatures' are multiple signatures applied to the same data being signed, and then everything is enclosed in pkcs7 format, while 'counter signatures' are signatures applied to the first 'standard' signature.

Can anyone shed some light on this?


Posted: 07/15/2008 00:43:49
by Ken Ivanov (Team)

Please consider using CMS classes (see the corresponding demo for the details). CMS classes allow to build or modify PKCS#7 tree as needed (including parallel signatures and countersignatures adding).



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