Electronic digital file for electronic signature of original content, has unsigned attribute set with transaction token related in unique manner to signatory, and signed attribute set with impressions of signatory who signs token

摘要

The file has a content zone, a signature field zone, and a third zone including a description of a signatory associated with a signature. The signature field has a SigningTranCertificate signed attribute set, the signature, and an unsigned attribute set. The unsigned attribute set has a transaction token associated in a unique manner to another signatory. The signed attribute set has impressions associated to contents and impressions of the description of the latter signatory who signs the token.