Method for generating a digital signature

US10841099B2 · kind B2 · utility

Assignee

• BUNDESDRUCKEREI GMBH · DE

Inventor

• Frank Morgner · Espelkamp, DE

Key dates

• Filing date: Jul 17, 2015
• Grant date: Nov 17, 2020
• Expiry date: Aug 14, 2035

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04L2209/88
• WIPO field: Digital communication
• WIPO sector: Electrical engineering

Abstract

Method for generating a digital signature for a digital content using a computer and trustworthy signature hardware connected thereto for data exchange, includes generating a message digest from the digital content by an application executed on the computer; generating descriptive data relating to the electronic digital signature; transmitting the message digest and the descriptive data to the trustworthy signature hardware; outputting the descriptive data at an output device of the trustworthy signature hardware; carrying out a user interaction as precondition for the continuation of the method; generating signature data from the message digest and the descriptive data by the trustworthy signature hardware; and transmitting the signature data from the trustworthy signature hardware to the computer and in particular the application.