This work is about constructing methods for simultaneously broadcasting multimedia data
privately to a set of subscribers, and on various connections among important efficient …

Secured data transmission between one to many authorized users is achieved through
Broadcast Encryption (BE). In BE, the source transmits encrypted data to multiple registered …

基于离散对数困难问题, 利用随机序列提出一种公钥叛逆者追踪方案. 该方案采用多项式与过滤
函数来构建, 当缴获盗版解码器时, 只需通过一次输入输出即可确定叛逆者 …

In this thesis, we look at definitions and black-box constructions with efficient instantiations
for broadcast encryption and traitor tracing. We begin by looking at the security notions for …

A lot of encryption and watermarking schemes have been developed as countermeasures to
protect copyrights of broadcast or multicast content from malicious subscribers (traitors) that …

Traitor tracing encryption schemes are a type of broadcasting encryption and have been
developed for broadcasting services. There are multiple distinct decryption keys for each …

Je souhaite d'abord exprimer ma reconnaissance et ma profonde gratitude envers mon
directeur de thèse, David Pointcheval, qui m'a accompagné et soutenu pendant …

A lot of new broadcasting services using communication channels have been developed
and structures of conventional content distribution and broadcasting services have been …