Mohammadshareefuddin Salash-arong
ABSTRACT
SaaS applications such as Google Documents have been increasingly widely-used to handle user documents stored in cloud storage. To ensure secured access in untrustworthy cloud environment, all documents in cloud storage must be encrypted and protected from unauthorized stakeholders. There are several automated solutions available. However, most solutions are straight-forward encryption without providing the protection from the system administrators of the cloud storage providers. In this paper, we propose TrustDocs, a new client side cryptography Google Docs Add-on application. Our proposed solution ciphers and deciphers user documents in Google Drive. Using multiple cloud service providers and key-distribution-like methodology, our proposed solution provide secured mechanism for protecting the risk of user data even from brute-force attack by system administrators of the cloud storage providers. Our method supports both real-time standalone and version control collaborative edition for ensuring the security, privacy and usability of user document and can protect user secret information in untrustworthy cloud-based environment.
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Index Terms
- TrustDocs: Google Docs add-on securing document in untrusted cloud-based environment
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