CA2345148C - Method for the separate authentication of a template and user data - Google Patents

Method for the separate authentication of a template and user data Download PDF

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Publication number
CA2345148C
CA2345148C CA 2345148 CA2345148A CA2345148C CA 2345148 C CA2345148 C CA 2345148C CA 2345148 CA2345148 CA 2345148 CA 2345148 A CA2345148 A CA 2345148A CA 2345148 C CA2345148 C CA 2345148C
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CA
Canada
Prior art keywords
dac
template
document
user data
document template
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.)
Active
Application number
CA 2345148
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French (fr)
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CA2345148A1 (en
Inventor
Ed Milczarek
Tommy Petrogiannis
Joseph Silvester
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.)
Silanis Tech Inc
Original Assignee
Silanis Tech Inc
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
Priority to CA2,246,006 priority Critical
Priority to CA002246006A priority patent/CA2246006A1/en
Application filed by Silanis Tech Inc filed Critical Silanis Tech Inc
Priority to PCT/CA1999/000891 priority patent/WO2000019296A1/en
Priority to CA 2345148 priority patent/CA2345148C/en
Publication of CA2345148A1 publication Critical patent/CA2345148A1/en
Application granted granted Critical
Publication of CA2345148C publication Critical patent/CA2345148C/en
Application status is Active legal-status Critical
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60Protecting data
    • G06F21/62Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6209Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2147Locking files

Abstract

A method for the separate authentication of a template and of data inserted therein. A template is provided with a template ID and a template Data Authentication Code (DAC(t)). User data is inserted in the template, and then extracted to be handled separately. A DAC(d) is generated on the user data by itself, and stored in an Approval Data packet with the template ID, DAC(t) and the user data. The complete document with the template and the user data can later be reconstructed. The method may be useful for many industries that rely on templates as a means for collecting data.

Claims (25)

1. A method for the separate authentication of a document template and of user data inserted therein, comprising the steps of:
a) providing the document template, said document template being adapted to receive said user data therein, said document template having a corresponding template ID and template Document Authentication Code based on said template, hereinafter referred to as DAC(t), linked thereto, said DAC(t) providing for the authentication of the document template by itself;
b) inserting the user data in the document template;
c) extracting the user data from the document template;
d) generating a user data Document Authentication Code, hereinafter referred to as DAC(d), based on the user data, said DAC(d) providing for the authentication of the user data separately from the document template; and e) storing the template ID, the DAC(t), the user data and the DAC(d) in an Approval Data Packet, hereinafter referred to as ADP.
2. The method according to claim 1, wherein step a) comprises the substeps of:

i) generating the document template;
ii) creating the template ID;
iii) creating the DAC(t); and iv) storing the template ID and the DAC(t) in a location linked to the document template.
3. The method according to claim 2, wherein substep a)iii) comprises generating the DAC(t) from a one-way hash function.
4. The method according to claim 2, wherein, in substep a) iv), the location linked to the document template is inside said template.
5. The method according to claim 2, wherein, in substep a) iv), the location linked to the document template is a linked storage system.
6. The method according to claim 1, wherein step e) further comprises encrypting the ADP.
7. The method according to claim 1, further comprising an additional step f) of reconstructing an authenticated complete document, said complete document including the document template and the user data.
8. The method according to claim 7, wherein step f) comprises the substeps of:

i) retrieving the template ID and the DAC(t) from the ADP;
ii) opening the document template corresponding to said template ID;
iii) generating for said template a new template Document Authentication Code, hereinafter referred to as DAC(nt);
iv) comparing the DAC(nt) with the DAC(t), and proceeding only if the DAC(nt) is equal to the DAC(t);
v) retrieving the user data and the DAC(d) from the ADP;
vi) generating for said user data a new user data Document Authentication Code, hereinafter referred to as DAC(nd);
vii) comparing the DAC(nd) with the DAC(d), and proceeding only if the DAC(nd) is equal to the DAC(d); and viii) inserting the user data in the document template.
9. A method for the separate authentication of a document template having entry fields and user data inserted into said fields, comprising the steps of:
a) selecting a template ID and a corresponding template Document Authentication Code based on said document template, hereinafter referred to as DAC(t), linked to the document template, said DAC(t) providing for the authentication of the document template by itself;
b) entering the user data;
c) linking the user data to the fields of the document template;
d) generating a user data Document Authentication Code, hereinafter referred to as DAC(d), based on the user data, said DAC(d) providing for the authentication of the user data separately from said document template; and e) storing the template ID, the DAC(t), the user data and the DAC(d) in an Approval Data Packet, hereinafter referred to as ADP.
10. The method according to claim 9, wherein step b) further comprises prompting the user for the user data.
11. The method according to claim 9, wherein step e) further comprises encrypting the ADP.
12. The method according to claim 9, further comprising an additional step f) of reconstructing an authenticated complete document, said complete document including the document template and the user data.
13. The method according to claim 12, wherein step f) comprises the substeps of:
i) retrieving the template ID and the DAC(t) from the ADP;
ii) opening the document template corresponding to said template ID;
iii) generating for said document template a new template Document Authentication Code, hereinafter referred to as DAC(nt);
iv) comparing the DAC(nt) with the DAC(t), and proceeding only if the DAC(nt) is equal to the DAC(t);
v) retrieving the user data and the DAC(d) from the ADP;

vi) generating for said user data a new user data Document Authentication Code, hereinafter referred to as DAC(nd);
vii) comparing the DAC(nd) with the DAC(d), and proceeding only if the DAC(nd) is equal to the DAC(d); and viii) inserting the user data in the document template.
14. A method for the separate authentication of a document template and of user data inserted therein, comprising the steps of:
a) providing the document template, said document template being adapted to receive said user data therein, said document template having a corresponding template ID and template Document Authentication Code based on said template, hereinafter referred to as DAC(t), linked thereto, said DAC(t) providing for the authentication of the document template by itself;
b) inserting the user data in the document template;
c) generating a complete document Document Authentication Code, hereinafter referred to as DAC(c), based on the document template with the user data therein, said DAC(c) providing for the authentication of said template with the user data inserted therein;
d) extracting the user data from the document template;
e) generating a user data Document Authentication Code, hereinafter referred to as DAC(d), based on the user data, said DAC(d) providing for the authentication of the user data separately from said document template; and f) storing the template ID, the DAC(t), the user data, the DAC(c) and the DAC(d) in an Approval Data Packet, hereinafter referred to as ADP.
15. The method according to claim 14, wherein step a) comprises the substeps of:
i) generating the document template;
ii) creating the template ID, iii) creating the DAC(t); and
16 iv) storing the template ID and the DAC(t) in a location linked to the template.

16. The method according to claim 15, wherein substep a)iii) comprises generating the DAC(t) from a one-way hash function.
17. The method according to claim 15, wherein, in substep a) iv), the location linked to the document template is inside said template.
18. The method according to claim 15, wherein, in substep a) iv), the location linked to the document template is a linked storage system.
19. The method according to claim 14, wherein step f) further comprises encrypting the ADP.
20. The method according to claim 14, further comprising an additional step g) of reconstructing an authenticated complete document, said complete document including the document template and the user data.
21. The method according to claim 20, wherein step g) comprises the substeps of:
i) retrieving the template ID, the DAC(t) and the DAC(c) from the ADP;
ii) opening the document template corresponding to said template ID;
iii) generating for said document template a new template Document Authentication Code, hereinafter referred to as DAC(nt);
iv) comparing the DAC(nt) with the DAC(t), and proceeding only if the DAC(nt) is equal to the DAC(t);
v) retrieving the user data and the DAC(d) from the ADP;
vi) generating for said user data a new user data Document Authentication Code, hereinafter referred to as DAC(nd);

vii) comparing the DAC(nd) with the DAC(d), and proceeding only if the DAC(nd) is equal to the DAC(d);
viii) inserting the user data in the document template;
ix) generating for the document template with the user data therein a new complete document Document Authentication Code, hereinafter referred to as DAC

(nc); and x) comparing the DAC(nc) with the DAC(c), and proceeding only if the DAC(nc) is equal to the DAC(c).
22. The method according to claim 20, wherein step g) comprises the substeps of:
i) retrieving the template ID, the user data and the DAC(c) from the ADP;
ii) opening the document template corresponding to said template ID;
iii) inserting the user data in the template;
iv) generating for the document template with the user data therein a new complete document Document Authentication Code, hereinafter referred to as DAC(nc); and v) comparing the DAC(nc) with the DAC(c), and proceeding only if the DAC(nc) is equal to the DAC(c).
23. A method for the separate authentication of a document template and of user data inserted therein by multiple users, comprising the steps of:
a) authenticating a document template and user data from a first user according to the method of claim 14; and b) for each subsequent user of the multiple users, performing the substeps of:
i) retrieving the document template and the DAC(c);
ii) inserting user data from previous users in the document template;

iii) generating for the document template with the user data from previous users therein a new complete document Document Authentication Code, hereinafter referred to as DAC(nc);
iv) comparing the DAC(nc) with the DAC(c), and proceeding only if the DAC(nc) is equal to the DAC(c);
v) inserting data from the current user in the document template;
vi) generating a DAC(c), based on the document template with the user data from the previous users and current user therein;
vii) extracting the user data from the previous users and current user from the document template;
viii) generating a DAC(d), based on the user data extracted in step vii); and ix) storing the user data, the DAC(c) and the DAC(d) in the ADP.
24. The method according to claim 23, further comprising an additional step c) of reconstructing an authenticated complete document, said complete document including the document template and the user data from all of the multiple users.
25. The method according to claim 24, wherein step c) comprises the substeps of:
i) retrieving the template ID, the DAC(t) and the DAC(c) from the ADP;
ii) opening the document template corresponding to said template ID;
iii) generating for said document template a new template Document Authentication Code, hereinafter referred to as DAC(nt);
iv) comparing the DAC(nt) with the DAC(t), and proceeding only if the DAC(nt) is equal to the DAC(t);
v) retrieving the user data and the DAC(d) from the ADP;
vi) generating for said user data a new user data Document Authentication Code, hereinafter referred to as DAC(nd);
vii) comparing the DAC(nd) with the DAC(d), and proceeding only if the DAC(nd) is equal to the DAC(d);

viii) inserting the user data in the document template;
ix) generating for the template with the user data therein a new complete document Document Authentication Code, hereinafter referred to as DAC(nc); and x) comparing the DAC(nc) with the DAC(c), and proceeding only if the DAC(nc) is equal to the DAC(c).
CA 2345148 1998-09-25 1999-09-24 Method for the separate authentication of a template and user data Active CA2345148C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA2,246,006 1998-09-25
CA002246006A CA2246006A1 (en) 1998-09-25 1998-09-25 Remote template approvals in a distributed network environment
PCT/CA1999/000891 WO2000019296A1 (en) 1998-09-25 1999-09-24 Method for the separate authentication of a template and user data
CA 2345148 CA2345148C (en) 1998-09-25 1999-09-24 Method for the separate authentication of a template and user data

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2345148 CA2345148C (en) 1998-09-25 1999-09-24 Method for the separate authentication of a template and user data

Publications (2)

Publication Number Publication Date
CA2345148A1 CA2345148A1 (en) 2000-04-06
CA2345148C true CA2345148C (en) 2010-12-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2345148 Active CA2345148C (en) 1998-09-25 1999-09-24 Method for the separate authentication of a template and user data

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CA (1) CA2345148C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7191252B2 (en) * 2000-11-13 2007-03-13 Digital Doors, Inc. Data security system and method adjunct to e-mail, browser or telecom program
US7103915B2 (en) 2000-11-13 2006-09-05 Digital Doors, Inc. Data security system and method
US8677505B2 (en) 2000-11-13 2014-03-18 Digital Doors, Inc. Security system with extraction, reconstruction and secure recovery and storage of data
US7669051B2 (en) 2000-11-13 2010-02-23 DigitalDoors, Inc. Data security system and method with multiple independent levels of security
US7546334B2 (en) 2000-11-13 2009-06-09 Digital Doors, Inc. Data security system and method with adaptive filter
US8176563B2 (en) 2000-11-13 2012-05-08 DigitalDoors, Inc. Data security system and method with editor
US8423565B2 (en) 2006-12-21 2013-04-16 Digital Doors, Inc. Information life cycle search engine and method
US8468244B2 (en) 2007-01-05 2013-06-18 Digital Doors, Inc. Digital information infrastructure and method for security designated data and with granular data stores
US9015301B2 (en) 2007-01-05 2015-04-21 Digital Doors, Inc. Information infrastructure management tools with extractor, secure storage, content analysis and classification and method therefor

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Publication number Publication date
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