A digital envelope scheme for document sharing in a private cloud storage

Author(s):  
Jedidiah Yanez-Sierra ◽  
Arturo Diaz-Perez ◽  
Victor Sosa-Sosa ◽  
J. L. Gonzalez
Keyword(s):  
2017 ◽  
Vol 10 (2) ◽  
Author(s):  
Irfan Santiko ◽  
Rahman Rosidi ◽  
Seta Agung Wibawa

2014 ◽  
Vol 556-562 ◽  
pp. 6241-6245 ◽  
Author(s):  
Kai Guo ◽  
Peng Yan Shen ◽  
Ming Zhong Xiao

In this paper, we present UBackup, which describes an easy way to build a private cloud storage system with high-efficient and high-disaster-tolerance. UBackup client enables file-level de-duplication by using a file fingerprint check. The utilization of compressed erasure code algorithm ensures data security and cuts down the cost. A space utilization rate variance minimizing algorithm is used on index server to balance system load. We present the system architecture of UBackup and its components, and we have implemented a proof-of-concept prototype of UBackup. By conducting performance evaluation in a public Internet, experimental results demonstrate the efficiency of the system.


2019 ◽  
Vol 2 (1) ◽  
pp. 16
Author(s):  
Dedy Hariyadi ◽  
Imam Puji Santoso ◽  
Ramadhana Saputra

Saat ini hampir setiap perangkat terhubung dengan teknologi komputasi awan. Teknologi komputasi awan yang menawarkan layanan menarik adalah Cloud Storage seperti Google Drive, Dropbox, One Drive, Mega, dan lain-lain. Teknologi Cloud Storage semacam itu dapat diterapkan di lingkungan private atau on-premise. Peranti lunak Cloud Storage yang dapat diinstall di lingkungan private diantaranya, OwnCloud, Nextcloud, SeaFile, dan lain-lain. Implementasi Cloud Storage perlu diwaspadai karena memiliki celah keamanan saat transmisi data dari client ke server atau sebaliknya dan tidak terproteksinya berkas yang tersimpan pada Cloud Storage server. Pada penelitian ini menunjukkan hasil pengujian kerentanan menyimpan berkas dan direktori di penyedia Cloud Storage berserta memberikan solusi mengatasi keamanan tersebut.


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