Computer system and method for encrypted remote storage

摘要

A method for remotely storing data is provided. The method comprises providing a first data file on a client computer; splitting, on the client computer, the first data file into at least two partial files; encrypting the at least two partial files with an encryption algorithm; distributing the at least two encrypted partial files in at least two remote storage locations; storing information about the at least two storage locations of the at least two encrypted partial files for a later retrieval of the at least two encrypted partial files; and storing decryption information for the decryption of the at least two encrypted partial files on the client computer. Further, a computer software product adapted for executing, when run on a computer, a method for remotely storing data is provided, and a client computer for executing the method for remotely storing data.

主权项

1. A method for remotely storing data, comprising:
splitting, on a client computer, a first data file, stored on the client computer, into at least two partial files; encrypting the at least two partial files with at least one encryption algorithm; distributing the at least two encrypted partial files to at least two remote storage locations, wherein at least one of the at least two remote storage locations is an internet-based cloud storage service; storing information, on the client computer, about the at least two storage locations of the at least two encrypted partial files for a later retrieval of the at least two encrypted partial files; storing decryption information for the decryption of the at least two encrypted partial files on the client computer; redistributing partial files between the at least two remote storage locations when an amount of available storage space is changed on at least one of the remote storage locations, or when a new remote storage location is added; generating at least one dummy file; and obfuscating, before the encrypting, the at least two partial files with the at least one dummy file, wherein the number of the at least one dummy file makes up a percentage from 5 percent to 95 percent of the number of the at least two partial files, or wherein a combined size of the at least one dummy file makes up a percentage from 5 percent to 95 percent of the size of the at least two partial files, and wherein the percentage used is determined and received as input before the encryption of the partial files.