Compare two signature fields

hi

i'm developing form adobe livecycle designer 9.0 end users adobe reader 9 or higher

the form has 2 signature fields.

at moment of inserting second signature want validate certificate used not same certificate used apply signature in first field

in case both signature fields signed same certificate, need reject/don't allow second signature

any idea or recommendation how implement that?

thanks

ariel

do want disallow signing when user tries use same credential sign second signature field or want reject pdf form in workflow when performing validation on both signature fields?

 

if latter can use livecycle signatures validation apis ascertain if same credential has been used apply digital signature on both fields.

 

if former can add script in presign event of second signature field validates credential info signature field 1 , if both same pop-up message , cancel sign operation

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