Verify the Signature

1. Verify the signature of decryptedsignedmessage.txt using the sender’s certificate

# openssl cms -engine pkcs11 -verify -in decryptedsignedmessage.txt - CAfile /localCA/newcerts/ca.cer -out originalmessage.txt/localCA/newcerts/sender/SenderSignCertificate.cert

Figure 37: Openssl verify command output

2. Open the originalmessage.txt and verify the message which you have typed in the message.txt

Figure 38: Content of original message file