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Add another digital signature to executable file

Is it possible to add more than one digital signature to an executable file?
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nuberun
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nuberun
2 Solutions
 
thetmanvnCommented:
No. When you sign an executable that is already signed, the existing signature is overwritten.
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ParanormasticCryptographic EngineerCommented:
You would need a program that specifically supported adding multiple signatures at once.  Normally with most products agree with the above post - once signed the act of signing modifies the file, so would in effect destroy the old signature while adding the new one.

One product you could look at is Meganet VME Sign - here's a powerpoint:
http://www.meganet.com/Products/VMESign/VMESign2004PPT.ppt
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