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You can use the SMIME Verify filter to check the integrity of a Secure/Multipurpose Internet Mail Extensions (SMIME) message. This filter enables you to verify the Public Key Cryptography Standards (PKCS) #7 signature over the message.
You can select the certificates that contain the public keys that you wish to use to verify the signature. Alternatively, you can specify a message attribute that contains the certificate with the public key that you wish to use.
Complete the following fields to configure this filter:
Name:
Enter an appropriate name for the filter.
Certificates from the following list:
Select the certificates that contain the public keys that you wish to use to verify the signature. This is the default option.
Certificate in attribute:
Alternatively, enter the message attribute that specifies the certificate that
contains the public key that you wish to use to verify the signature. Defaults to
${certificate}
.
Remove Outer Envelope if Verification is Successful:
Select this option if you want to remove the PKCS#7 signature and all its associated data from the message if it verifies successfully.