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    Wyświetlanie 1-3 z 3
    Tytuł:
    Projective and Affine Transformations in the Modification of RSA Algorithm for Detached Classes of Images
    Autorzy:
    Rashkevych, Y. Y.
    Peleshko, D. D.
    Kovalchuk, A. M.
    Szymanski, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/108658.pdf
    Data publikacji:
    2011
    Wydawca:
    Społeczna Akademia Nauk w Łodzi
    Tematy:
    RSA algorithm
    encryption, decryption
    affine transformation
    projective transformation
    Opis:
    Based on the RSA algorithm, as the most common industrial standard of data encryption, modifications with projective and affine transformations for encryption of images that allow to strictly allocate outlines are proposed.
    Źródło:
    Journal of Applied Computer Science Methods; 2011, 3 No. 1; 67-75
    1689-9636
    Pojawia się w:
    Journal of Applied Computer Science Methods
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reversible data-hiding-through-encryption scheme using rotated stream cipher
    Autorzy:
    Manikandan, V. M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2097957.pdf
    Data publikacji:
    2021
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    reversible data-hiding
    image encryption
    image decryption
    secure message transmission
    Opis:
    Research into the domain of reversible data-hiding has received a great deal of attention in recent years due to its wide applications in medical image transmission and cloud computing. Reversible data-hiding during image encryption is a recently emerged framework for hiding secret data in an image during the image-encryption process. In this manuscript, we propose a new reversible data-hiding-through-encryption scheme that will ensure a high embedding rate without bringing any additional overhead of key handling. The proposed algorithm can use any secure symmetric encryption scheme, and the encryption and/or decryption key should be shared with the receiver for data extraction and image recovery. As per the proposed scheme, the data hider can hide threebits of a secret message in an image block of a size of B × B pixels. The data extraction and image recovery will be carried out by analyzing the closeness between adjacent pixels. The simulation of the new scheme carried out on the USC-SIPI dataset shows that the proposed scheme outperforms the well-known existing schemes in terms of embedding rates and bit error rates.
    Źródło:
    Computer Science; 2021, 22 (2); 267-291
    1508-2806
    2300-7036
    Pojawia się w:
    Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Program for Simulation and Testing of Apply Cryptography of Advance Encryption Standard (AES) Algorithm with Rivest-Shamir-Adleman (RSA) Algorithm for Good Performance
    Autorzy:
    Pattanavichai, Santi
    Powiązania:
    https://bibliotekanauki.pl/articles/2124746.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    information security management systems
    ISMS
    cryptography
    encryption
    decryption
    advanced encryption standard
    AES
    Rivest-Shamir-Adleman
    RSA
    Opis:
    Nowadays, information security management systems are important parts of managing a system for better handling of the information security. In scenarios and situations where safety management is done by managing protection of malwares, it is important to manage security issues properly. Cryptography is an approach which makes possible for a recipient to encrypt and decrypt the information. A combination of two different strategies for encryption and decryption in the text encoding will be transformed into the used all content. The encryption and decryption key of the content decryption key is used. There are different types of information. A number, such as finding two large prime numbers with that product. The number, the size of the RSA key is large enough to make, it's hard to pinpoint these numbers. The key, known as the RSA public key, is the most prominent open encryption. Calculations were used for information exchange. In this paper, we created a program for simulation and testing of apply cryptography of Advance Encryption Standard (AES) algorithm with Rivest-Shamir-Adleman (RSA) algorithm for better performance. In this study, this program is an application of a new algorithm to be the AES&RSA principle of using a public key instead of a private key for cryptography, and the testing of encryption and decryption for the AES&RSA algorithm resulted in time is no different on the AES algorithm and more secure encryption and decryption. The results indicated that the time needed for encoding and decoding of AES&RSA algorithm has been reduced (i.e., efficiency has been improved).
    Źródło:
    International Journal of Electronics and Telecommunications; 2022, 68, 3; 475--481
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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