US 2010/0169672 A1Published application

Encryption program operation management system and program

AssigneeKabushiki Kaisha Toshiba

InventorJun Takeda

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Abstract

According to one embodiment, an encryption program operation management system includes an encryption key table creation module which creates encryption keys and creates an encryption key table including encrypted versions of the encryption keys and items of plaintext index information for recognizing the encryption keys, and an installation package creation module which creates an installation package including an encryption program, the encryption key table, and an installation program for installing the encryption program into a computer. The installation program causes the computer to carry out an operation of selecting one of the encrypted versions of encryption keys and an operation of creating and storing encryption key information including the selected one of the encrypted versions of encryption key and one of the items of plaintext index information associated with the selected one of the encrypted versions of encryption keys.

Claims6

Dependent claims

An encryption program operation management system comprising:

a computer system comprising computer hardware, the computer system programmed to implement:
an encryption key table generator configured to generate encryption keys and to generate an encryption key table comprising encrypted versions of the encryption keys and items of plain-text index information, the encrypted versions of the encryption keys being associated with the items of index information;
and
an installation package comprising an encryption program, the encryption key table, and an installation program configured to cause the computer system to install the encryption program into the computer system;
wherein the installation program is configured to cause the computer system to select one of the encrypted versions of encryption keys in the encryption key table used by the encryption program, and to generate and store encryption key information comprising the selected one of the encrypted versions of encryption keys and one of the items of index information associated with the selected one of the encrypted versions of encryption keys, when the installation program installs the encryption program into the computer.

2 more elements

A computer-readable storage medium comprising computer-executable instructions configured to cause a computer to implement a method of distributing an encryption program to a computer of a user, the method comprising:

generating encryption keys and an encryption key table comprising encrypted versions of the encryption keys and items of plain-text index information, such that the encrypted versions of the encryption keys are associated with the items of index information;
and
providing an installation package comprising an encryption program, the encryption key table, and an installation program configured to cause the user computer to install the encryption program into the user computer,
wherein the installation program is configured to cause the user computer to select one of the encrypted versions of encryption keys in the encryption key table used by the encryption program, and to generate and store encryption key information comprising the selected one of the encrypted versions of encryption keys and one of the items of index information associated with the selected one of the encrypted versions of encryption keys, responsive to the installation program installing the encryption program into the user computer.

1 more element

Dependencies are inferred from the claim text.

Facts

Application: 12/610,139Filed 30 Oct 2009
Priority: JP 2008-33084725 Dec 2008
Published: 1 Jul 2010
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

G06F 21/6218
Protecting access to data via a platform, e.g. using keys or access control rules: to a system of files or objects, e.g. local or distributed file…
G06F 21/80
To assure secure storage of data: in storage media based on magnetic or optical technology, e.g. disks with sectors
H04L 9/0822
Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely…: using…
H04L 9/0894
Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords: escrow, recovery or storing of secret…

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