pub fn open_pubsec(
encrypt_dict: &PdfDictionary,
credential: &PubSecCredential<'_>,
) -> PdfResult<StandardSecurityHandler>Expand description
Authenticates against the /Encrypt dictionary of an Adobe.PubSec
PDF and returns a configured decryption handler. Returns
PdfError::InvalidPassword when no recipient blob unwraps with the
supplied private key (matches the Standard handler’s “credential did
not authenticate” error semantics).