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Articles by Yong Zhao
Total Records ( 4 ) for Yong Zhao
  Yong Chen , Yong Zhao , Zhu-Yan Fu , Zhao-Wei Ma , Fa-Chen Qian , Anwaier Aibibuli , Bin Yang , Reyanggu Abula , Xiao-Li Xu and Azimaitijiang Aniwaer
  The aim of this study was to investigate nutritive value of tetraploid black locust (Robinia pseudoacacia). Chemical composition and in vitro fermentation characteristics by using in vitro gas production technique were stated for tetraploid black locust, birdsfoot trefoil (Lotus corniculatus L.), alfalfa (Medicago sativa cv.) and galega (Galega orientalis Lam.). Tetraploid black locust showed high crude protein (16.02%), ether extract (2.85%), crude ash (13.16%) and Ca (3.85%) content and low neutral detergent fibre (21.63%), acid detergent fibre (19.91%) and acid detergent lignin (6.52%) content. However, fermentation characteristics, such as cumulative gas production of 48 h, dry matter degradability, neutral detergent fibre digestibility, total volatile fatty acid of tetraploid black locust, were lower than that of birds foot trefoil and alfalfa (p<0.05). Tetraploid black locust fermentation resulted in reducing the molar proportions of acetate and butyrate and increasing that of propionate (p<0.05). In conclusion, according to the chemical composition, tetraploid black locust was a high-quality feed resources. However, utilization of tetraploid black locust by ruminal microorganisms in vitro was limited. Further in vivo studies could be required to expand the knowledge of the nutritive value of tetraploid black locust.
  Yong Zhao , Fei Xue and Yanxue Zhang
  Remote attestation is the key technology of trusted cloud computing. The existed remote attestation schemes are not sufficient to consider the trusted measurement of the running virtual computing node. In this study, by the analysis and comparison of existing remote attestation schemes, we propose a trusted measurement of the running virtual computing node and a threshold remote attestation scheme based on the trusted measurement results. By RO security analysis and a simulation, we verify the security and efficiency of the scheme. The trusted measurement of the running platform is mainly based on the trusted measurement of the programs running on the platform and a total trust value of the platform by an algorithm. The Threshold remote attestation for trusted measurement of the running platform is based on K-CCA problem.
  Yong Zhao and Pei-Yong Cong
  Current studies on remote attestation for cloud computing neither consider the computational nodes as a group nor support dynamic trusted verification. To overcome these shortcomings, we put forward an attestation based on Identity and State. This new scheme can prevent jointly attack so as to have better security than existing ones. We concluded that effective rate of our scheme ascends as the threshold value increases.
  Yong Zhao , Junxi Zhuang and Yanxue Zhang
  Remote attestation and CP-ABE (ciphertext policy-attribute based encryption) algorithm are Independent of each other. In this study, by the analysis and comparison of existing remote attestation technology and CP-ABE algorithm, we propose a remote attestation scheme based on the CP-ABE algorithm. Remote attestation scheme based on the CP-ABE algorithm includes both remote attestation with a virtual computing node and remote attestation with a group of virtual computing nodes. By a analysis, we verify the security and efficiency of the program.
 
 
 
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