Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Security kernel or utility
Reexamination Certificate
2006-08-10
2011-12-20
Pearson, David (Department: 2438)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Security kernel or utility
C717S100000, C717S101000, C717S120000, C717S121000, C717S174000, C726S001000, C726S006000, C726S026000
Reexamination Certificate
active
08082442
ABSTRACT:
In one embodiment of this invention, a computer system performs a method for securely sharing applications installed by unprivileged users. The method involves the computer system receiving a user associated command from a user of the computer system. A previous application installation included installing an application manifest and application data objects in a shared repository and installing a user manifest and user configuration data objects in a private repository for an initial installing user. The computer system verifies that a digital signature of the application manifest corresponds to a public key of a user manifest for the associated user. The computer system verifies that an application identifier of the application manifest matches an application identifier of the user manifest. The computer system verifies that the data objects belong to the software application by comparing the application data objects to one or more data object identifiers in the application manifest.
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Kaufman Charles William
Keljo Jonathan
Chang Kenneth
Microsoft Corporation
Pearson David
Workman Nydegger
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