J Collett wrote:

>>You can scan a handsigned referral and sign that with a location
>>certificate and store it in a database and throw away the paper. For
>>documents that have never existed as paper a smartcard solution is
>>appropriate and you would be hard pressed to find anyone in the
>>security community to support using location certificates.
>>    
>>
>
>How do you sign the scanned doco with your HeSA Individual certificate?
>I've looked in various scanning s/w and also some of the EHRs that scan and
>can't see how.  Does this not need to be programmed in by the vendors?
>
>I asked this of the, then, HIC Manager for PKI and Information Standards in
>approximately 2002 and was told you have to then email the scanned doco to
>yourself, thereby being able to sign it with your key.
>
>  
>
>>Duncan needs to store a PKI signed version of the referral in his
>>database and then its fine. It needs to be signed with a smartcard, or
>>else receptionists could generate legal referrals at will.
>>    
>>
>
>If the EHR allowed you to sign a letter you produced (without having to
>email it) and sign incoming scanned docos, this would be quite beneficial in
>Duncan's circumstances (as I think I already pointed out in a previous
>post).
>  
>
I can't see how this is a solution to anything. Duncan can sign any old
crap and say it is a valid referral but there is no cryptographic or
even logical proof of anything except that he once signed it.

David


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