Computer including at least one connector for a replaceable storage medium, and method for starting and operating a computer via a replaceable storage medium
First Claim
1. A computer configured to execute an operating system that is stored on a replaceable storage medium, comprising:
- at least one replaceable storage medium connector configured to receive the replaceable storage medium; and
a boot control apparatus configured to authenticate the replaceable storage medium and validate a user'"'"'s authorization to use the operating system, the boot control apparatus allowing execution of the operating system on the computer in response to successfully authenticating the replaceable storage medium and validating the user'"'"'s authorization.
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Accused Products
Abstract
A method starts and operates a computer with an operating system held on a replaceable storage medium. The method includes: checking the authenticity of the replaceable storage medium and/or checking a user'"'"'s authority for executing the operating system held on the replaceable storage medium. The operating system held on the replaceable storage medium is executed if the replaceable storage medium is authentic and/or the user is authorized to use the operating system. Checking the authenticity of the replaceable storage medium and the user'"'"'s use authority ensures the integrity of the operating system. Thereby, modifications to the operating system and to the computer are made more difficult. The invention also relates to a computer and a replaceable storage medium which are suitable for carrying out the method.
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Citations
36 Claims
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1. A computer configured to execute an operating system that is stored on a replaceable storage medium, comprising:
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at least one replaceable storage medium connector configured to receive the replaceable storage medium; and
a boot control apparatus configured to authenticate the replaceable storage medium and validate a user'"'"'s authorization to use the operating system, the boot control apparatus allowing execution of the operating system on the computer in response to successfully authenticating the replaceable storage medium and validating the user'"'"'s authorization. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A replaceable storage medium for use with a computer, comprising:
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at least first and second memory areas; and
a memory control unit configured to permit the computer to effect only read access to the first memory area in a first operating mode and read and write access to the first memory area in a second operating mode and to permit the computer to effect read and write access to the second memory area in both the first and second operating modes. - View Dependent Claims (25, 26, 27, 28, 29)
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30. A method for starting and operating a computer with an operating system stored on a replaceable storage medium, the method comprising:
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authenticating the replaceable storage medium;
validating a user'"'"'s use authority to execute the operating system stored on the replaceable storage medium; and
executing the operating system stored on the replaceable storage medium in response to authenticating the replaceable storage medium and validating the user'"'"'s authorization. - View Dependent Claims (31, 32, 33, 34, 35, 36)
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Specification