Reference

Signature reference dictionary. This dictionary contains the object digest result, including information about how it was computed.

Properties

Name of the object used while computing the object digest. Only used for ReferenceTransformMethod.FIELDMDP or ReferenceTransformMethod.IDENTITY.

The location of the digest value in the PDF file in bytes, or null. Present when required by the transformation method.

The algorithm used for computing the digest. Valid values are "MD5" and "SHA1". May be null.

The result of the digest operation, or null if not required by the transformation method.

The transformation method that was used to generate the digest.