deltachat::receive_imf

Function has_verified_encryption

source 
async fn has_verified_encryption(
    context: &Context,
    mimeparser: &MimeMessage,
    from_id: ContactId,
    to_ids: &[ContactId],
) -> Result<VerifiedEncryption>
Expand description

Checks whether the message is allowed to appear in a protected chat.

This means that it is encrypted and signed with a verified key.

Also propagates gossiped keys to verified if needed.