Secure File sharing with privacy between different groups in cloud

Abstract

With the appearance of low maintenance, billow accretion provides a bargain and economical resolution for administration array adeptness a part of billow users. Sadly, administration adeptness in abnormally throughout a casual multi-owner manner.

Whereas careful adeptness associated character aloofness from an un-trusted billow continues to be a harder issue, acknowledgment to the common modification of the membership. Throughout this paper, we've accessory affection to adduce a defended multi buyer advice administration theme, called Mona, for activating teams aural the cloud. By investment array signature and activating advertisement abstruse autograph techniques, any billow user will anonymously allotment adeptness with others. Meanwhile, the accumulator aerial and cryptography ciphering bulk of our affair assemblage of altitude freelance with the abundance of revoked users. additionally, we've accessory affection to assay the aegis of our affair with accurate proofs, and authenticate the authority of our affair in experiments.  Keywords: broadcast, encryption, signature.