A Comparison on Broadcast Encryption Schemes: A New Broadcast Encryption Scheme

Year 2019, , 861 - 871, 31.01.2019

Hüseyin Bodur , Resul Kara

https://doi.org/10.29130/dubited.509102

Cited By: 1

Abstract

In a broadcast communication method,the schemes in which encryption methods are used are often used to
transmit messages from a source to multiple users. These schemes are divided into central and de-central in
terms of key server operations. In this work, two central methods which are widely used nowadays are
mentioned: Logical Key Hierarchy (LKH) and One Way Function Tree (OFT) schemes. A scheme for broadcast
communication is proposed and compared with the existing schemes in terms of numbers-sizes of key
transmissions in user joining/removing and numbers-sizes of keys in the user. 

Keywords

Broadcast Communication, Logical Key Hierarchy, One Way Function Tree

Yayın Şifreleme Şemaları Üzerinde Bir Karşılaştırma: Bir Yeni Yayın Şifreleme Şeması

Abstract

Bir yayın haberleşme yönteminde bir kaynaktan çoklu kullanıcılara mesaj iletimi için genellikle içerisinde
şifreleme yöntemlerinin kullanıldığı şemalardan yararlanılır. Bu şema yapıları anahtar sunucu işlemleri açısından
merkezi ve de-merkezi olmak üzere ikiye ayrılır. Bu çalışmada günümüzde yaygın olarak kullanılan iki merkezi
yöntem olan Mantıksal Anahtar Hiyerarşisi (MAH) ve Tek Yönlü Fonksiyon Ağacı (TFA) şemalarına
değinilmiştir. Yayın haberleşme için bir şema önerilmiş ve kullanıcı ekleme/çıkarma işlemlerinde anahtar iletim
sayıları-boyutları ve kullanıcılarda bulunan anahtar sayıları-boyutları açılarından mevcut şemalar ile
karşılaştırılmıştır.

Keywords

Yayın Haberleşme, Mantıksal Anahtar Hiyerarşisi, Tek Yönlü Fonksiyon Ağacı

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