Title:
【発明の名称】デジタル署名を伴う審査書の伝送
Document Type and Number:
Japanese Patent JP2002533824
Kind Code:
A
Abstract:
A document is created and digitally signed using an author's private key. The signed document is provided to an electronic notary who notarizes (provides a time/date stamp and signs the time/date stamp using the notary's private key) the authors signed document. A reviewer requests and verifies the origin and integrity of the authors signed document using the author's public key. As the reviewer examines the documentary, a log is automatically created. The review log and reviewed document are digitally signed using the reviewer's private key and the signed reviewed document is provided to an electronic notary who notarizes the signed reviewed document. An auditor requests the reviewed document. The auditor verifies the origin and integrity of the document using the notary's public key. The auditor audits the signed review document.
More Like This:
| JP2001195442 | SYSTEM AND DEVICE FOR MODEL MANAGEMENT |
| WO/2004/027551 | COMPUTING APPARATUS WITH AUTOMATIC INTEGRITY REFERENCE GENERATION AND MAINTENANCE |
| WO/2001/099388 | DIGITAL SIGNATURE SYSTEM AND METHOD |
Inventors:
Pasica Michael S
Application Number:
JP2000591491A
Publication Date:
October 08, 2002
Filing Date:
December 17, 1999
Export Citation:
Assignee:
Konin Krekka Philips Electronics NV
International Classes:
G06F21/00; G09C1/00; G16H10/60; G16H15/00; G16H30/20; H04L9/32; (IPC1-7): G06F17/60; G09C1/00; H04L9/32
Domestic Patent References:
| JPH1097582A | 1998-04-14 | |||
| JPH08287147A | 1996-11-01 | |||
| JPH06259305A | 1994-09-16 | |||
| JPH10111855A | 1998-04-28 | |||
| JPH10508121A | 1998-08-04 | |||
| JPH10106149A | 1998-04-24 | |||
| JPH1079770A | 1998-03-24 |
Foreign References:
| US5606609A | 1997-02-25 | |||
| WO1999035785A2 | 1999-07-15 |
Attorney, Agent or Firm:
Susumu Tsugaru (1 person outside)