EP1328905B1 - Verfahren zur überprüfung von auf postsendungen aufgebrachten frankiervermerken - Google Patents

Verfahren zur überprüfung von auf postsendungen aufgebrachten frankiervermerken Download PDF

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Publication number
EP1328905B1
EP1328905B1 EP01987933A EP01987933A EP1328905B1 EP 1328905 B1 EP1328905 B1 EP 1328905B1 EP 01987933 A EP01987933 A EP 01987933A EP 01987933 A EP01987933 A EP 01987933A EP 1328905 B1 EP1328905 B1 EP 1328905B1
Authority
EP
European Patent Office
Prior art keywords
key
decryption
checking
probability
keys
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01987933A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1328905A1 (de
Inventor
Jürgen Lang
Bernd Meyer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deutsche Post AG
Original Assignee
Deutsche Post AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Deutsche Post AG filed Critical Deutsche Post AG
Publication of EP1328905A1 publication Critical patent/EP1328905A1/de
Application granted granted Critical
Publication of EP1328905B1 publication Critical patent/EP1328905B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
    • G07B17/00435—Details specific to central, non-customer apparatus, e.g. servers at post office or vendor
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
    • G07B17/00435—Details specific to central, non-customer apparatus, e.g. servers at post office or vendor
    • G07B2017/00443—Verification of mailpieces, e.g. by checking databases
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00733—Cryptography or similar special procedures in a franking system
    • G07B2017/0079—Time-dependency
    • G07B2017/00806—Limited validity time
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00733—Cryptography or similar special procedures in a franking system
    • G07B2017/00846—Key management
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00733—Cryptography or similar special procedures in a franking system
    • G07B2017/00846—Key management
    • G07B2017/0087—Key distribution
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00733—Cryptography or similar special procedures in a franking system
    • G07B2017/00846—Key management
    • G07B2017/00895—Key verification, e.g. by using trusted party
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00733—Cryptography or similar special procedures in a franking system
    • G07B2017/00911—Trusted party

Definitions

  • the invention relates to a method for checking for Postage paid franking marks in one Review body, with the review body Decryption from out of a trusted one Certification body originating cryptographic Security elements the identity and authenticity of a generating the franking indicia Customer system deciphered.
  • the keys are provided at the Encryption methods have a key length, which makes a decryption impossible, must in addition the danger of being a member of one over the shape of the key informed narrow circle of people uses this information about the key without authorization or passes.
  • the invention has for its object to provide a method for Checking for postal items Franking marks to create, which is a high Tamper-proof with a fast Verification possibility of franking marks in the Verification Station connects.
  • this object is achieved in that by an agent included in the review body Key is selected for which the probability that with him the encryption of data in the Certification body was carried out, is particularly high.
  • the invention makes it possible, without the use of a pointer a cryptographic message contained in a postage indicium To decipher information quickly and securely.
  • This procedure is particularly safe when all Data of the postage indicium are such that they contain no information about a key to be inserted.
  • Verification Board included means to check if a Decryption with the most probable key succeeded.
  • a discovery of counterfeit franking marks happens in a particularly simple and functional Implementation of the method in that a Franking mark, in which a decryption with Keys fail, their correctness together one given probability achieved as fake is marked.
  • Fig. 1 is the principle of a key verification method shown.
  • a key change can be between the certification body and the review body become.
  • this key change takes place independent of other cryptographic security elements, between the certification body and the Customer system to be exchanged.
  • these postage indicia must contain cryptographic security elements that are at least partially from a trusted source .
  • a trusted source from the point of view of the review body is the certification body.
  • the certification office sends the cryptographic security elements in such a way encrypted in advance of the generation of postage indicia in the customer system that only the review body can decrypt them.
  • the certification body and the verification body require corresponding keys for encryption and decryption.
  • Fig. 2 is a preferred vote of periods for Key phase indicators and periods of use represented by keys. It should be noted that by the Introduction of key-phase indicators in particular also the overlap periods for key changes (which in the Figure are exaggerated) can.
  • a postage stamp indicating the key phase indicator KPI3 as accompanying information includes or this Key phase indicator due to missing Accompanying information assigned by the review body gets, is first decrypted with key S4, since this key next to key S5 with high Probability was used in this period and the Key S4 used chronologically before the key S5 has been. If decryption fails with the key S4, then so the key S5 is used. Also fails the Decryption with the key S5, the less probable key S3 used for decryption. If this also fails, then a decoding with the still less probable key S6 tries. Subsequently the decryption is too low probability the use of other keys finally canceled and the franking mark is considered invalid and the Franking mark possibly marked as forged.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Storage Device Security (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
EP01987933A 2000-10-18 2001-10-16 Verfahren zur überprüfung von auf postsendungen aufgebrachten frankiervermerken Expired - Lifetime EP1328905B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10051818 2000-10-18
DE10051818A DE10051818A1 (de) 2000-10-18 2000-10-18 Verfahren zur Überprüfung von auf Postsendungen aufgebrachten Frankiervermerken
PCT/DE2001/003893 WO2002033663A1 (de) 2000-10-18 2001-10-16 Verfahren zur überprüfung von auf postsendungen aufgebrachten frankiervermerken

Publications (2)

Publication Number Publication Date
EP1328905A1 EP1328905A1 (de) 2003-07-23
EP1328905B1 true EP1328905B1 (de) 2005-11-16

Family

ID=7660322

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01987933A Expired - Lifetime EP1328905B1 (de) 2000-10-18 2001-10-16 Verfahren zur überprüfung von auf postsendungen aufgebrachten frankiervermerken

Country Status (10)

Country Link
US (1) US20040054631A1 (ja)
EP (1) EP1328905B1 (ja)
JP (1) JP4133321B2 (ja)
AT (1) ATE310291T1 (ja)
AU (2) AU2049502A (ja)
CA (1) CA2426520A1 (ja)
DE (2) DE10051818A1 (ja)
HK (1) HK1058095A1 (ja)
NZ (1) NZ525220A (ja)
WO (1) WO2002033663A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1263091B1 (de) 2001-05-25 2005-12-21 Erni Elektroapparate Gmbh Neunzig-Grad-drehbarer Steckverbinder
US7941378B2 (en) 2008-05-16 2011-05-10 Siemens Industry, Inc. Stamp testing and monitoring

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9226813D0 (en) * 1992-12-23 1993-02-17 Neopost Ltd Franking machine and method of franking
US5390251A (en) * 1993-10-08 1995-02-14 Pitney Bowes Inc. Mail processing system including data center verification for mailpieces
US5878136A (en) * 1993-10-08 1999-03-02 Pitney Bowes Inc. Encryption key control system for mail processing system having data center verification
US5606613A (en) * 1994-12-22 1997-02-25 Pitney Bowes Inc. Method for identifying a metering accounting vault to digital printer
US5812666A (en) * 1995-03-31 1998-09-22 Pitney Bowes Inc. Cryptographic key management and validation system
US6397328B1 (en) * 1996-11-21 2002-05-28 Pitney Bowes Inc. Method for verifying the expected postage security device and an authorized host system
US5982896A (en) * 1996-12-23 1999-11-09 Pitney Bowes Inc. System and method of verifying cryptographic postage evidencing using a fixed key set
US6005945A (en) * 1997-03-20 1999-12-21 Psi Systems, Inc. System and method for dispensing postage based on telephonic or web milli-transactions
DE19882328B3 (de) * 1997-04-21 2014-05-08 Mytec Technologies Inc. Verfahren zur Sicherheitsschlüsselhandhabung unter Verwendung einer Biometrik
WO1998048938A1 (en) * 1997-04-25 1998-11-05 Washington State University Research Foundation Semi-continuous, small volume centrifugal blood separator
US6357004B1 (en) * 1997-09-30 2002-03-12 Intel Corporation System and method for ensuring integrity throughout post-processing
DE19812903A1 (de) * 1998-03-18 1999-09-23 Francotyp Postalia Gmbh Frankiereinrichtung und ein Verfahren zur Erzeugung gültiger Daten für Frankierabdrucke
US6938023B1 (en) * 1998-12-24 2005-08-30 Pitney Bowes Inc. Method of limiting key usage in a postage metering system that produces cryptographically secured indicium
US6269164B1 (en) * 1999-05-17 2001-07-31 Paul Pires Method of and system for encrypting messages
DE19928058B4 (de) * 1999-06-15 2005-10-20 Francotyp Postalia Ag Anordnung und Verfahren zur Generierung eines Sicherheitsabdruckes

Also Published As

Publication number Publication date
CA2426520A1 (en) 2003-04-17
AU2049502A (en) 2002-04-29
ATE310291T1 (de) 2005-12-15
JP2004512606A (ja) 2004-04-22
HK1058095A1 (en) 2004-04-30
DE10051818A1 (de) 2002-06-20
EP1328905A1 (de) 2003-07-23
DE50108108D1 (de) 2005-12-22
NZ525220A (en) 2006-01-27
AU2002220495B2 (en) 2006-12-07
US20040054631A1 (en) 2004-03-18
WO2002033663A1 (de) 2002-04-25
JP4133321B2 (ja) 2008-08-13

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