MA39536A1 - Statement sheets of unique proofs with hidden coding in the text - Google Patents

Statement sheets of unique proofs with hidden coding in the text

Info

Publication number
MA39536A1
MA39536A1 MA39536A MA39536A MA39536A1 MA 39536 A1 MA39536 A1 MA 39536A1 MA 39536 A MA39536 A MA 39536A MA 39536 A MA39536 A MA 39536A MA 39536 A1 MA39536 A1 MA 39536A1
Authority
MA
Morocco
Prior art keywords
text
unique
hidden coding
proofs
statement sheets
Prior art date
Application number
MA39536A
Other languages
French (fr)
Inventor
Abdellatif Benabdellah
Mohamed KASSOU
Mostafa Derraz
Abdellatif ZOUAK
Mohamed Boulmalf
Tayeb Sadiki
Ahmed Bouridane
Original Assignee
Univ Int Rabat
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 Univ Int Rabat filed Critical Univ Int Rabat
Priority to MA39536A priority Critical patent/MA39536A1/en
Priority to PCT/MA2017/000024 priority patent/WO2018117780A1/en
Publication of MA39536A1 publication Critical patent/MA39536A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution
    • H04L2209/605—Copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution
    • H04L2209/606—Traitor tracing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution
    • H04L2209/608—Watermarking

Abstract

Notre invention propose une solution au problème de fuite desénoncées desexamens. Il s'agit d'un procédé qui permet de cacher un code unique qui identifie le candidat qui reçoit la copie. Le code est caché dans le texte sous forme d'espaces dont lesemplacements et le compte permettent de le récupérer si un paramètrede base est connu d'avance.Our invention proposes a solution to the leakage problem of the examinations. This is a method of hiding a unique code that identifies the candidate who receives the copy. The code is hidden in the text as spaces whose locations and account can retrieve it if a basic parameter is known in advance.

MA39536A 2016-12-19 2016-12-19 Statement sheets of unique proofs with hidden coding in the text MA39536A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
MA39536A MA39536A1 (en) 2016-12-19 2016-12-19 Statement sheets of unique proofs with hidden coding in the text
PCT/MA2017/000024 WO2018117780A1 (en) 2016-12-19 2017-11-27 Papers for standardised tests with coding hidden in the text

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MA39536A MA39536A1 (en) 2016-12-19 2016-12-19 Statement sheets of unique proofs with hidden coding in the text

Publications (1)

Publication Number Publication Date
MA39536A1 true MA39536A1 (en) 2018-06-29

Family

ID=61157258

Family Applications (1)

Application Number Title Priority Date Filing Date
MA39536A MA39536A1 (en) 2016-12-19 2016-12-19 Statement sheets of unique proofs with hidden coding in the text

Country Status (2)

Country Link
MA (1) MA39536A1 (en)
WO (1) WO2018117780A1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8014557B2 (en) * 2003-06-23 2011-09-06 Digimarc Corporation Watermarking electronic text documents

Also Published As

Publication number Publication date
WO2018117780A1 (en) 2018-06-28

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