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secure
Most importantly, the proposed scheme has been proven to be tightly semantically secure under adaptive chosen ciphertext attacks (IND-CCA2) and to provide integrity of ciphertext (INT-CTXT) as well as non-repudiation in the random oracle model.
      
Design of secure operating systems with high security levels
      
Numerous Internet security incidents have shown that support from secure operating systems is paramount to fighting threats posed by modern computing environments.
      
Cover channel analysis (CCA) is a well-known hard problem in the design of secure operating systems with high security levels since to date it lacks a sound theoretical basis and systematic analysis approach.
      
In addition to having forward secrecy and improved efficiency, new protocols are proved secure.
      
We also prove that our scheme is chosen message and ID secure in the random oracle model, assuming the hardness of factoring.
      
Quasi-secure quantum dialogue using single photons
      
A quasi-secure quantum dialogue protocol using single photons was proposed.
      
Threshold quantum secure direct communication without entanglement
      
For the first time, a threshold quantum secure direct communication (TQSDC) scheme is presented.
      
Secure communication by small time continuous feedback
      
Secure communication through chaos synchronization using small time continuous feedback is investigated.
      
Theory and experiment demonstrate that the secure communication by small time continuous feedback method does not require the system to be divided into subsystems, and has no limitation of signal to noise ratio.
      
The real polynomial type public-key cryptosystems are broken up by computing the equivalent secure keys, then some computational problems related to securities of cryptosystems are discussed.
      
They are provably secure based on pseudo-random synthesizers.
      
The advantage of these schemes is that the secure parameter may be small.
      
Secure group communications for large dynamic multicast group
      
In this paper, a secure threshold group signature scheme is proposed.
      
This letter proposes an Secure Active Tracing System (SATS) to implementing security for active networking in Internet.
      
Analysis and experimental results show that the new watermarking method is novel, secure and robust.
      
 

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