Abstract: A system for controlling distribution of protected content to portable mass storage media devices (10), the system comprising: a host application (200) for a host device (20) including: collection module (202) to collect predetermined identifiers of a portable mass storage media device (10) connected to the host device (20); a first key generation module (201) to generate an encryption key using a secret key and the collected identifiers; and an encryption module (203) to encrypt protected content using the encryption key when protected content is copied to the media device (10); and a client application (100) for the portable mass storage media device (10) including: a second key generation module (101) to generate the encryption key using a secret key and predetermined identifiers of the portable mass storage media device (10); and a decryption module (102) to decrypt data relating to encrypted protected content in sector buffer memory (12) of the media device (10) using the encryption key after each read o

Abstract: A portable data storage device (100) for connection with an electronic device (51), the device (100) comprising: a first data connector (110) for connecting to a host port (50) of the electronic device (51), a second data connector (120) for connecting to a second portable data storage device (200), wherein the first and second data connectors (110, 120) comply with a common connector standard.

Abstract: A portable data storage device (100) for connection with an electronic device (51), the device (100) comprising: a first data connector (110) for connecting to a host port (50) of the electronic device (51), a second data connector (120) for connecting to a second portable data storage device (200), wherein the first and second data connectors (110, 120) comply with a common connector standard.