Visual Basic 6.0
Visual Basic 6.0
Get the Certificate an Email Was Encrypted By
See more Email Object Examples
Demonstrates the read-only Chilkat Email.EncryptedBy property. If the email was received encrypted, this property contains descriptive details of the certificate used for encryption. It is meaningful only when ReceivedEncrypted is true. To obtain a certificate object rather than descriptive text, use GetEncryptedByCert or LastDecryptCert. This example loads a received email and prints the encryption certificate details.
Background: In S/MIME encryption, the sender encrypts the message using the recipient's public-key certificate — a signed document that binds an identity (name and email) to a public key.
EncryptedBy reports which certificate was used, letting the recipient confirm the message was encrypted specifically for them. To work with the certificate programmatically (inspecting its subject, issuer, expiration, etc.), request the Cert object via GetEncryptedByCert.Chilkat Visual Basic 6.0 Downloads
Dim success As Long
success = 0
' Demonstrates the Email.EncryptedBy property.
' If the email was received encrypted, EncryptedBy contains the details of
' the certificate used for encryption. It is only meaningful when
' ReceivedEncrypted is true.
Dim email As New ChilkatEmail
success = email.LoadEml("qa_data/eml/encrypted.eml")
If (success = 0) Then
Debug.Print email.LastErrorText
Exit Sub
End If
If (email.ReceivedEncrypted = 1) Then
Debug.Print "Encrypted by: " & email.EncryptedBy
Else
Debug.Print "This email was not received encrypted."
End If