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Unexpected error 8198 (not a valid PKCS7 message)

Also by EldoS: MsgConnect
Cross-platform protocol-independent communication framework for building peer-to-peer and client-server applications and middleware components.
#32514
Posted: 03/05/2015 07:33:36
by Ako Dpeps (Basic support level)
Joined: 02/25/2015
Posts: 13

When loading an encrypted and signed email message file with the "MIME Viewer demo" application, it shows an "Can't decrypt: error 8198" (=The message passed to Decrypt/Verify routine is not valid PKCS7 message) when clicking on the Parthandler "SMIME" . The Header part shows MIME version 1.0. Content-type shows application/pkcs7-mime.

However when I double click the msg file in the explorer, Outlook opens the file and shows the email without any error (verified signature). So obviously the email IS valid.

What else could be a cause for the error ?
#32515
Posted: 03/05/2015 07:40:24
by Alexander Ionov (EldoS Corp.)

Thank you for contacting us.

Unfortunately we cannot say exactly what's wrong until we take a look at the message. The problem seems to be not in MIME structure (MIME-Version and Content-Type fields) but in the structure of the signature itself.


--
Best regards,
Alexander Ionov

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