Patent ID: 8364955
Filing Date: 2013-01-29
Classification: G06F,H04L

Abstract:
1. A computer-implemented method for effectively removing access to individual files on magnetic tape media, at least a portion of the method being performed by a computing device comprising at least one processor, the method comprising: encrypting both a file and at least one additional file; storing both the encrypted file and the additional encrypted file on a tape medium, wherein the additional encrypted file is stored in a physical location on the tape medium that immediately follows a physical location of the encrypted file on the tape medium; storing both a cryptographic key for accessing the encrypted file and an additional cryptographic key for accessing the additional encrypted file within a cryptographic key block located at the end of the tape medium; at a subsequent point in time, removing access to the encrypted file stored on the tape medium without also removing access to the additional encrypted file that is stored in the physical location on the tape medium that immediately follows the physical location of the encrypted file on the tape medium by: