1. "Amazon S3," as in "Amazon S3." http://aws.amazon.com/s3/ http://aws.amazon.com/s3/"What's the best cloud choice?" "What's the best cloud choice?" "Google Drive, iCloud, Dropbox, and more are analysed."
2. A. Secretive, "What's the greatest cloud choice? Google Drive, iCloud, Dropbox, and more" [Online]. A website where you may learn more about it is http://gizmodo.com/5904739.
3. "Divertible conventions and nuclear intermediary cryptography," Springer, New York, NY, USA, 1998, pp. 127-144 in Advances in Cryptology-EUROCRYPT'98, M. Blast, G. Bleumer, and M. Strauss.
4. In Proc. ninth ACM Symp. Inf. Comput. Commun. Secur., 2012, pp. 1-10, "A certificateless intermediary re-encryption scheme for safe information sending to public cloud."
5. O. Blazy, X. Bultel, and P. Lafourcade, "Two safe strange intermediary based information storage," in Proc. SECRYPT, 2016, pp. 251-258.