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We construct distributed broadcast encryption and registered attribute-based encryption (ABE) that support an arbitrary polynomial of users from the succinct LWE assumption. Specifically, if we take \(\lambda \) to be the security parameter and N to be the number of users, we obtain the following:

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Unbounded Distributed Broadcast Encryption and Registered ABE from Succinct LWE

  • 会议论文

  • 发表日期：

    2025年

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  • Hoeteck Wee,
  • David J. Wu

摘要

We construct distributed broadcast encryption and registered attribute-based encryption (ABE) that support an arbitrary polynomial of users from the succinct LWE assumption. Specifically, if we take \(\lambda \) to be the security parameter and N to be the number of users, we obtain the following: