generate a signed object that for a CMS Signed Data
object using the given provider - if encapsulate is true a copy
of the message will be included in the signature.
generate a signed object that for a CMS Signed Data
object using the given provider - if encapsulate is true a copy
of the message will be included in the signature with the
default content type "data".
the KeyTransRecipientInformation class for a recipient who has been sent a secret
key encrypted using their public key that needs to be used to
extract the message.
generate a signed object that for a CMS Signed Data
object using the given provider - if encapsulate is true a copy
of the message will be included in the signature with the
default content type "data".
generate a signed object that for a CMS Signed Data
object using the given provider - if encapsulate is true a copy
of the message will be included in the signature.
verify that the given certificate succesfully handles and confirms
the signature associated with this signer and, if a signingTime
attribute is available, that the certificate was valid at the time the
signature was generated.