EP2743893A1 - Verfahren zum Sichern eines Dokuments mit gedruckter Information und entsprechendes Dokument - Google Patents

Verfahren zum Sichern eines Dokuments mit gedruckter Information und entsprechendes Dokument Download PDF

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Publication number
EP2743893A1
EP2743893A1 EP12306575.7A EP12306575A EP2743893A1 EP 2743893 A1 EP2743893 A1 EP 2743893A1 EP 12306575 A EP12306575 A EP 12306575A EP 2743893 A1 EP2743893 A1 EP 2743893A1
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EP
European Patent Office
Prior art keywords
document
information
code
reference information
key
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.)
Withdrawn
Application number
EP12306575.7A
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English (en)
French (fr)
Inventor
Olivier Akli
Yolanda Varuhaki
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.)
Thales DIS France SA
Original Assignee
Gemalto SA
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 Gemalto SA filed Critical Gemalto SA
Priority to EP12306575.7A priority Critical patent/EP2743893A1/de
Priority to PCT/EP2013/076088 priority patent/WO2014090804A1/fr
Publication of EP2743893A1 publication Critical patent/EP2743893A1/de
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/004—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using digital security elements, e.g. information coded on a magnetic thread or strip
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/004—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using digital security elements, e.g. information coded on a magnetic thread or strip
    • G07D7/0047—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using digital security elements, e.g. information coded on a magnetic thread or strip using checkcodes, e.g. coded numbers derived from serial number and denomination

Definitions

  • the field of the invention is that of the securing of documents comprising printed information, this security having the purpose of combating the falsification of printed information.
  • a medical receipt (such as a medical prescription or certificate), an electricity receipt, includes printed information, subsequently referred to as "reference information", which may be more or less easily forged by a malicious person.
  • This reference information is for example a name, a first name, a date, a number, an address, a photograph or the name of a medicine.
  • the falsification of one or more of these reference information may in particular allow an identity theft.
  • changing the name of a drug or the amount of prescription drugs can also have serious health consequences.
  • Falsification of the information printed on a diploma can also lead to illegal access to a job.
  • the means used by the falsifiers are numerous and include the solvent-type chemical agents, the scraping and scrubbing means, which are intended to delete or erase certain information printed on a document in order to replace them by others, such as, for example , for a check, a sum and / or the beneficiary.
  • special inks such as magnetic inks
  • CMC7 7-stick Coded Magnetic Characters
  • a falsifier may obtain this special ink and, after having removed by scratching or scrubbing the old information, may print another code on the check.
  • the present invention is intended to overcome these disadvantages.
  • one of the objectives of the invention is to provide a method of securing a document containing reference information, very inexpensive and secure, allowing anyone to verify the authenticity of this document.
  • the reference information is preferably letters, figures, a photograph or a handwritten signature.
  • the cryptographic key is a secret key.
  • the cryptographic key is a private key.
  • the document is preferably a passport, an identity card or a printed document.
  • the method according to the invention also consists in printing on the document a second code readable by a machine corresponding to the reference information.
  • the invention also proposes to print on the document a third machine readable code comprising at least one identifier of the cryptographic key.
  • the third code comprises the public key for decrypting the first code.
  • the invention also relates to a document comprising printed information, called reference information, this document comprising a first code readable by a machine, the first code comprising the reference information signed by a cryptographic key.
  • the figure 1 represents a model of a driving license comprising printed reference information as well as a code according to the present invention.
  • a model driving license for example in the form of a plastic card 10, typically includes the photo 11 of the holder, his name (in point 1), his first name (in point 2), his date and place of birth (in point 3), its date of obtaining the permit (in point 4a), the date of validity of the permit (in point 4b), the name of the city which issued the permit (in point 4c), the permit number (point 5) and the signature of the holder (point 6).
  • the information from points 1 to 5 are printed characters, the signature being printed information. At least some of these characters or printed information, generically referred to as reference information, are information that the invention proposes to secure against modification, for example following a theft of the driving license.
  • the invention proposes to secure this reference information by signing (actually in signing their digital representation) by a cryptographic key K (key only in possession of the issuer of the driving license 10) to obtain information signed IS.
  • the information signed IS is, in a first embodiment, converted into a first code readable by a machine.
  • This code is here a QR code referenced 12.
  • the QR code is simply printed on the license 10 during its manufacture.
  • the verification of the integrity of the permit 10 can for example be carried out during a roadside check by a police officer: he scans, with the help of a terminal (for example using a mobile phone, a PDA or a smartphone) the QR code 12.
  • a dedicated application installed in its terminal includes (or downloads, for example via the Internet, in a signature scheme by shared key - PKI) the paired decryption key Kd with the key K used to sign the reference information.
  • the police officer can visually compare the reference information printed on the allowed 10 with those from decryption. Thus, if a malicious person had to change the name, first name or license number, there would be no identity between the printed reference information and those derived from the decryption.
  • the malicious person can not modify the QR code 12 since it does not have the key of the body that manufactured the permit 10, this key being confidential.
  • the reference information may be letters and / or numbers and / or a photograph.
  • the signature keys K and Kd decryption can be identical (in a secret key scheme) but they are preferably different (public key scheme). Indeed, a secret key signature scheme is only safe if the secret key is not revealed. This can not be guaranteed if the secret key is present in the terminals of the persons authorized to carry out authenticity checks of documents. On the other hand, if the signature key is a private key, anyone can decrypt the QR code 12 using the associated public key. Key diversification schemes are also possible.
  • the invention also proposes, on an ancillary basis, printing on the document 10 a second code 13 readable by a machine corresponding to the reference information. In this case, there is no signature of the reference information which is simply converted into the code 13.
  • the invention proposes to print on the document 10 a third code 14 readable by a machine comprising at least one identifier of the cryptographic key used to sign this reference information.
  • the identifier is for example the version of the key, or why not, in a PKI scheme, the decryption key Kd.
  • the person wishing to verify that the document 10 has not been forged can then simply scan the code 14 (to reconstitute the public key) before scanning the code 12 to verify the authenticity of the reference information.
  • the code 14 may comprise the decryption key or a link to this decryption key.
  • the code 14 When a secret key scheme is used, it is possible to send to the issuer of the license 10 the signed information for it to decipher and retransmitted to the person who checks the document 10.
  • the code 14 then includes a simple link (Internet address) to a site of the issuer of the document 10.
  • the printed code is obtained from information including the signed information.
  • the signed information is concatenated with other information, for example with the data to identify the signature key used or a link to this signature key (that to obtain the code 14 in the figure 1 ) and / or printed information (reference information or all printed information).
  • a handwritten signature and a photograph can therefore also constitute reference information, the essential being that they are in a digital format (for example jpeg or gif) when editing the document.
  • a digital format for example jpeg or gif
  • QR codes any type of code can be used (Aztec, Maxicode, Datamatrix, Code One, ...), preferably two-dimensional, the important thing is that the information we want to protect integrity are signed by a key only in the possession of the issuer of the document on which this information is printed.
  • the document is not necessarily a driver's license and may be a passport, an identity card or any printed document, for example a diploma, a medical prescription, etc.
  • the invention also makes it possible to verify the integrity of a document transmitted by e-mail or by fax, as long as the printed code or codes are not altered.
  • the invention also relates to a document comprising reference information, this document also comprising a first code readable by a machine, the first code comprising the reference information signed by a cryptographic key, this first code being obtained according to the method of the invention.
  • the figure 2 schematically shows an implementation of the method according to the invention.
  • the reference information to be protected against forgery, denoted 20, is converted by an algorithm 21 into a code 13 (previously called second code) printed on the document 10.
  • a code 13 previously called second code
  • the integrity of the holder's handwritten signature 22 is also guaranteed. of the document 10 by signing this handwritten signature by the cryptographic key (secret or preferentially private) of the authority from which the document 10 emanates.
  • the resulting code is referenced 23 and also printed on the document 10.
  • the authority signature 24 is also used to sign the reference information and the handwritten signature of the holder of the document 10. This signed set is converted to obtain the first code 12 which is printed on the document 10.
  • the identifier 25 of the authority signature is converted by the algorithm 21 to obtain the third code 14 which is printed on the document 10.
  • the invention makes it possible to guarantee the integrity of the information printed on a document, by encrypting this information and coding it in the form of a machine-readable code.
  • the method is very simple to implement and the verification of the printed information (name, date, photograph, signature, ...) can be performed from any mobile terminal including an application dedicated to the recognition of codes ( QR for example) and decryption of a cryptographic signature key.
EP12306575.7A 2012-12-12 2012-12-12 Verfahren zum Sichern eines Dokuments mit gedruckter Information und entsprechendes Dokument Withdrawn EP2743893A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12306575.7A EP2743893A1 (de) 2012-12-12 2012-12-12 Verfahren zum Sichern eines Dokuments mit gedruckter Information und entsprechendes Dokument
PCT/EP2013/076088 WO2014090804A1 (fr) 2012-12-12 2013-12-10 Procede de securisation d'un document comprenant des informations imprimees et document correspondant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12306575.7A EP2743893A1 (de) 2012-12-12 2012-12-12 Verfahren zum Sichern eines Dokuments mit gedruckter Information und entsprechendes Dokument

Publications (1)

Publication Number Publication Date
EP2743893A1 true EP2743893A1 (de) 2014-06-18

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EP12306575.7A Withdrawn EP2743893A1 (de) 2012-12-12 2012-12-12 Verfahren zum Sichern eines Dokuments mit gedruckter Information und entsprechendes Dokument

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EP (1) EP2743893A1 (de)
WO (1) WO2014090804A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017148704A1 (de) * 2016-03-02 2017-09-08 Ovd Kinegram Ag Sicherheitsdokument und verfahren zu dessen authentifizierung
FR3058543A1 (fr) * 2016-11-09 2018-05-11 Surys Procede pour l'authentification d'une illustration.
DE102019129490A1 (de) * 2019-10-31 2021-05-06 Bundesdruckerei Gmbh Verfahren und System zur Herstellung und zur Überprüfung eines Sicherheitsdokuments
US11042792B2 (en) 2017-07-24 2021-06-22 Surys Methods for encoding a source color illustration, for authenticating an illustration, and related computer media

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990558A (en) * 1973-10-08 1976-11-09 Gretag Aktiengesellschaft Method and apparatus for preparing and assessing payment documents
EP0154972A2 (de) * 1984-03-12 1985-09-18 Pitney Bowes Inc. Verfahren und Vorrichtung zum Verifizieren von Postgebühren
WO1995002512A1 (en) 1993-07-16 1995-01-26 Francesco Bosisio Process for incorporating and protecting writing on paper documents, especially on bank cheques
US5426700A (en) * 1993-08-23 1995-06-20 Pitney Bowes Inc. Method and apparatus for verification of classes of documents
EP0889448A2 (de) * 1997-07-01 1999-01-07 Pitney Bowes Inc. Verfahren zum Verhindern von Fälschungen an hergestellten Gegenständen
EP0727316B1 (de) 1995-02-17 2000-06-14 Ahlstrom Industries SA Druckbares Dokument enthaltend Mittel zum Aufdecken von Fälschungen
US6212504B1 (en) * 1998-01-12 2001-04-03 Unisys Corporation Self-authentication of value documents using encoded indices

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990558A (en) * 1973-10-08 1976-11-09 Gretag Aktiengesellschaft Method and apparatus for preparing and assessing payment documents
EP0154972A2 (de) * 1984-03-12 1985-09-18 Pitney Bowes Inc. Verfahren und Vorrichtung zum Verifizieren von Postgebühren
WO1995002512A1 (en) 1993-07-16 1995-01-26 Francesco Bosisio Process for incorporating and protecting writing on paper documents, especially on bank cheques
US5426700A (en) * 1993-08-23 1995-06-20 Pitney Bowes Inc. Method and apparatus for verification of classes of documents
EP0727316B1 (de) 1995-02-17 2000-06-14 Ahlstrom Industries SA Druckbares Dokument enthaltend Mittel zum Aufdecken von Fälschungen
EP0889448A2 (de) * 1997-07-01 1999-01-07 Pitney Bowes Inc. Verfahren zum Verhindern von Fälschungen an hergestellten Gegenständen
US6212504B1 (en) * 1998-01-12 2001-04-03 Unisys Corporation Self-authentication of value documents using encoded indices

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017148704A1 (de) * 2016-03-02 2017-09-08 Ovd Kinegram Ag Sicherheitsdokument und verfahren zu dessen authentifizierung
US11077697B2 (en) 2016-03-02 2021-08-03 Ovd Kinegram Ag Security document and method for the authentication thereof
AU2017225458B2 (en) * 2016-03-02 2021-12-16 Ovd Kinegram Ag Security document and method for the authentication thereof
US11840110B2 (en) 2016-03-02 2023-12-12 Ovd Kinegram Ag Security document and method for the authentication thereof
FR3058543A1 (fr) * 2016-11-09 2018-05-11 Surys Procede pour l'authentification d'une illustration.
FR3058541A1 (fr) * 2016-11-09 2018-05-11 Surys Procede pour l’authentification d’une illustration.
WO2018087465A1 (fr) * 2016-11-09 2018-05-17 Surys Procede pour l'authentification d'une illustration
WO2019020893A1 (fr) * 2016-11-09 2019-01-31 Surys Procede pour l'authentification d'une illustration.
US11055589B2 (en) 2016-11-09 2021-07-06 Surys Method for authenticating an illustration
US11042792B2 (en) 2017-07-24 2021-06-22 Surys Methods for encoding a source color illustration, for authenticating an illustration, and related computer media
DE102019129490A1 (de) * 2019-10-31 2021-05-06 Bundesdruckerei Gmbh Verfahren und System zur Herstellung und zur Überprüfung eines Sicherheitsdokuments

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