Visual Basic 6.0
Visual Basic 6.0
Check if a MIME Entity is Encrypted (S/MIME)
See more MIME Examples
Demonstrates the Chilkat Mime.IsEncrypted method, which returns whether the entity is a CMS/PKCS #7 encrypted S/MIME wrapper. It takes no arguments.
Note: The file path is relative to the application's current working directory. Absolute paths may also be used. Supply the path to your own file.
Background: This tells you a message is encrypted and must be decrypted before its real content is available — the trigger for supplying a recipient certificate and private key to
Decrypt. Reading the body without decrypting first would just yield the opaque PKCS #7 blob.Chilkat Visual Basic 6.0 Downloads
Dim success As Long
success = 0
' Demonstrates the Mime.IsEncrypted method, which returns whether the entity is a CMS/PKCS #7 encrypted S/MIME wrapper. It takes no arguments.
Dim mime As New ChilkatMime
success = mime.LoadMimeFile("qa_data/encrypted.eml")
If (success = 0) Then
Debug.Print mime.LastErrorText
Exit Sub
End If
If (mime.IsEncrypted()) Then
Debug.Print "This is an encrypted S/MIME message."
Else
Debug.Print "This is not an encrypted S/MIME message."
End If