cmsVerifySigData

Verify the signature and content of a signed-data CMS object file.

Syntax

Public Function cmsVerifySigData ( _
    szFileIn As String, _
    Optional szCertFile As String = "", _
    Optional szHexDigest As String = "", _
    Optional nOptions As Long = 0 _
) As Long

Parameters

szFileIn

Name of file containing CMS signed-data object (binary or base64-encoded) or the data as a base64 or PEM string.

szCertFile

(optional) X.509 certificate file of the signer.

szHexDigest

(optional) digest of eContent to be verified (use for "detached-signature" form)

nOptions

Add to speed up the processing of large files (binary input only).

PKI_CMS_BIGFILE

Return Value