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Old 08-24-2019, 05:43 AM   #1
zvivered
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Registered: Sep 2007
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Verify a signed file with openssl console


Hello,

I have a binary file signed offline by another system.
The file is copied as it to my system.
Now I have to verify that it is signed.
How can I do it using: openssl verify ...

Thank you,
Zvika
 
Old 08-24-2019, 06:03 AM   #2
zvivered
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Registered: Sep 2007
Posts: 196

Original Poster
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Hello,

I found the following procedure:

Sign file
openssl rsautl -sign -in helloworld.txt -inkey key.pem -out siged.bin

Reconstruct original file
openssl rsautl -verify -in signed.bin -inkey key.pem > unsigned.txt

Thank you,
Zvika
 
  


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