Uploading data to public cloud storage using proxy and monitoring its integrity using MD5 Algorithm

Computer Engineering

In today’s technical world, use of internet has widely spread in all the fields of science. With that multiple techniques are invented to extract usefulness of internet. Cloud computing is one of these fields. It is the most popular concept nowadays which is widely used. The public cloud servers are used for data storage which makes rapid development in cloud. This is the cause for storing the data onto the cloud infrastructure. But for security purpose user needs to encrypt their important data while storing it in the cloud. Client data checking should be done no matter whether it is outsourced or done without downloading the data. As there are several threats and issues with data, we have proposed "Proxy-Oriented Data Uploading and Remote Data Integrity Checking in Public Cloud". Cryptographic Proxy Oriented Data uploading is used for avoiding data from fake source and algorithm for protecting user data from external as well as internal environment. Cloud services are very popular but because of security problem unauthorized user will be restricted from storing or uploading data on cloud. To solve this issue, the unauthorized user will then modify the proxy and get data uploaded to cloud. The existing systems do not provide the security mechanism for storing data and hence the proposed system will fulfill all issues caused by existing system. Data uploading with proxy alteration gives the advantage of data stealing and uploading malwares on cloud environment as well. Integrity of remote data is another issue in public cloud storage (PCS). The proposed system provides the provision of checking data integrity without actually downloading it and manually checking it. Proposed system is also efficient and flexible in all aspects.

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