public LtvVerifier(PdfReader reader)
: base(null)
{
this.reader = reader;
fields = reader.AcroFields;
List<String> names = fields.GetSignatureNames();
signatureName = names[names.Count - 1];
signDate = DateTime.Now;
pkcs7 = CoversWholeDocument();
LOGGER.Info(String.Format("Checking {0}signature {1}", pkcs7.IsTsp ? "document-level timestamp " : "", signatureName));
}