Abstract
The paper considers the problem of documents identification in electronic document management systems. The relevance of this topic is justified by the widespread use of electronic document management systems which require reliable identification of transferred documents. The main problems for identifying documents in electronic document management systems are authorship confirmation, confirmation of the document immutability and determining the signing time. A review of the main methods of identification is given, their advantages and disadvantages are identified. After possible identification methods analyzing, it was found that the method based on the electronic keys allows to reliably identify the document, determine the signing time, guaranty the fact of signing and does not require significant amount of resources for sign formation and verification. This distinguishes the method of identification based on electronic keys fundamentally among others. The method is based on the elliptic curve digital signature algorithm. The reliability of the chosen algorithm is based on the problem of the discrete logarithm in the group of points of the elliptic curve. To implement the algorithm public and private keys are used. After generating a key pair, the private key is kept in secret by the user and used to sign documents, the public key is used to identify the user and should be known to all users of the system. The information support of the identification subsystem is provided. A three-level architectural model in which the client level role is performed by the application programming interface is proposed. The technologies for implementing signature algorithms are considered. Identification subsystem software has been developed. This software allows users to create both individual and built-in document signatures, as well as to verify it. The developed identification subsystem was tested using files of different formats and sizes.
Highlights
В роботі розглянуто проблему ідентифікації документів в системах електронного документообігу
The paper considers the problem of documents identification in electronic document management systems
The relevance of this topic is justified by the widespread use of electronic document management systems which require reliable identification of transferred documents
Summary
Ключові слова: підсистема ідентифікації, електронні ключі, документообіг, електронний підпис, алгоритм цифрового підпису еліптичної кривої, ідентифікація документа. Також в роботах описані основні вимоги до підсистем ідентифікації, які мають бути задоволені для забезпечення всіх потреб інформаційної безпеки систем електронного документообігу. Модуль формування електронного цифрового підпису повинен надавати функціональність, що дозволятиме, отримавши в якості вихідних даних документ та приватний ключ, зберегти підписаний документ або підпис окремо від документа. Для формування електронного цифрового підпису в статті пропонується використання алгоритму Elliptic Curve Digital Signature Algorithm [1]. 1. Концептуальна модель підсистеми ідентифікації а також ціле число α, двійковим представленням якого є вектор h, та обчислюється e = α(mod q), де q – велике просте число що представляє порядок підгрупи групи точок еліптичної кривої для якого виконуються наступні умови:.
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