Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Zhi-Qiang Yao"'
Publikováno v:
Tongxin xuebao, Vol 38, Pp 18-27 (2017)
In order to solve the problems of secure access and deduplication to the shared file in the cloud environment,a novel notion called proof of shared ownership (PoSW) was formalized,and a formal definition of the PoSW was given.Furthermore,a PoSW schem
Externí odkaz:
https://doaj.org/article/875d1ba68e1e45f09b510d8fddc6cbef
Publikováno v:
网络与信息安全学报, Vol 3, Pp 38-46 (2017)
In cloud computing environment,adversary may use data deduplication as a side channel to eavesdrop users’ privacy.In order to tackle this serious issue,a secure copy number control scheme was proposed.The highlights of the proposed scheme lie in co
Externí odkaz:
https://doaj.org/article/39fe3ce12e2e452591c488ee91784a80
Publikováno v:
Tongxin xuebao, Vol 37, Pp 169-180 (2016)
In order to improve the efficiency of cloud storage and save the communication bandwidth, a deduplication mechanism for multi-duplicate of the same data in cloud environment was needed. However, the implement of the secure data deduplication was seri
Externí odkaz:
https://doaj.org/article/5b1f4cd3923e40d8ad3e637aded7d067
Publikováno v:
Tongxin xuebao, Vol 37, Pp 167-184 (2016)
The major challenges faced by the data assured deletion in cloud computing was analyzed,it was observed the main reasons of performing cloud data assured deletion were the characteristics of cloud virtualization and multi-tenancy,as well as the busin
Externí odkaz:
https://doaj.org/article/fa677bd337634e048eb1d99203d994ae
Publikováno v:
Tongxin xuebao, Vol 36, Pp 136-140 (2015)
In order to protect the privacy of data stored in public cloud environment,a security sharing and associated deleting scheme for multi-replica was proposed,which was based on symmetric encryption algorithm,attribute encryption algorithm and replica l
Externí odkaz:
https://doaj.org/article/23df64cf63ee4ce2a66b832655c83a9a
Publikováno v:
Tongxin xuebao, Vol 34, Pp 1-9 (2013)
Context-aware interaction and cooperation among agents provids digital community services.However,it also brings new problems of secure access.A novel community field-centric trust-based access control model (referred to as the CTBAC) was developed b
Externí odkaz:
https://doaj.org/article/06a83c52b29d4c4fa0f9d20b44cbe9d9
Publikováno v:
Tongxin xuebao, Vol 33, Pp 147-154 (2012)
In regards to the critical issues of classification protecting sensitive information of the data stored in video database,a multilevel access control model for the video database was proposed.A series of algorithms was designed and developed in the m
Externí odkaz:
https://doaj.org/article/db0a9fb4088f42809cf6a556f288ac6c
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 9, Pp o2260-o2260 (2009)
The asymmetric unit of the title compound, C11H9N3O2, contains two independent molecules: the dihedral angles between the pyridine ring and the furyl ring are 17.00 (16) and 34.12 (15)°. The crystal structure involves intermolecular C—H...O, N—H
Externí odkaz:
https://doaj.org/article/53e58de587f9447caf8a56051eaf5f47
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 9, Pp o2155-o2155 (2009)
Crystals of the title compound, C10H13N3O2, were obtained from a condensation reaction of butan-2-one and 1-(2-nitrophenyl)hydrazine. The molecule exhibits a nearly coplanar structure, except for the methyl and methylene H atoms, the largest deviatio
Externí odkaz:
https://doaj.org/article/905603d693654147ae57e44541232e1b
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 9, Pp o2162-o2162 (2009)
In the title Schiff base compound, C14H13N3O3, the furan and benzene rings are oriented at a dihedral angle of 10.24 (13)°. Intramolecular N—H...O hydrogen bonding is observed between the imino and nitro groups.
Externí odkaz:
https://doaj.org/article/e9178d2f04194baeb02dd7b7be1d7daf