Wenderoth, Lind & Ponack, L.L.P.
Virtual machine system, confidential information protection method, and confidential information protection program
A virtual machine system that restricts use of confidential information only to the case where an authentication has resulted in success. The virtual machine system includes first virtual machine, second virtual machine, and hypervisor. The first virtual machine includes: storage unit storing confidential information; and authentication unit configured to perform authentication and notify the hypervisor of result of the authentication. The second virtual machine uses virtual device that is virtualized storage device. When having received authentication result indicating authentication success from the authentication unit, the hypervisor enables the second virtual machine to access, as substance of the virtual device, storage area storing the confidential information, and when not having received the authentication result indicating the authentication success from the authentication unit, the hypervisor disables the second virtual machine from accessing the storage area storing the confidential information.
PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
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G06F G06F G06F G06F
inventional inventional inventional inventional
Tadao Masahiko Toshiaki Katsushige
Tanikawa Saito Takeuchi Amano