Cloud computing suffers from a number of problems in terms of security *** and integrity play an important role in the security field and numerous concerns have been raised to recognizeor protect any tampering with ex...
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Cloud computing suffers from a number of problems in terms of security *** and integrity play an important role in the security field and numerous concerns have been raised to recognizeor protect any tampering with exchanges of text between two entities(sender and receiver)within the cloud *** schemes in this area can be vulnerable to well known methods of attack such as replay attack,forgery attack,dictionary,insider,and modification attacks.A robust scheme is therefore required to detect or prevent any modification or manipulation of a message during *** this paper,we propose a new messageauthenticationcode(MAC)based on feature extraction of the user's iris in order to assure the integrity of the user's *** are extracted from the user's iris to generate a messagecode for each user's login and to prohibit malicious attacks such as replay,forgery and insider *** proposed scheme enjoysseveral important security attributes such as a user's onetime bio-key,robust message anonymity,data integrity for a user's message,phase key agreement,bio-key management,and onetime messagecode for each user's ***,our security analysis and experimental results demonstrate and prove the invulnerability and efficiency of our proposed scheme.
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