Pre-Grant Publication Number: 20080301712
Verification of loadable objects
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#443Policies for secure software execution
Applies to Claims 1,10,11,12,13,14,15,16,17,18,19,2,20,3,4,5,6,7,8,9
Submitted by: Conrad HerrmannLast updated: almost 4 years ago
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Summary / Description
Summary / DescriptionMicrosoft's patent on Windows XP software restriction policies
 
Basic Information
Type of Prior ArtIssued Patents - US
 
CountryUnited States of America
 
Patent/Application #7350204
 
Kind CodeUnited States (US) - United STATES Patent - A
 
Patentee NameMicrosoft
 
Relevant Pages, Columns, or Linespage 1, abstract
 
URL
 
Filing DateJune 8, 2001
 
Additional Information
 
Notes / To Do
Notes
 
Excerpt
Excerpt
A system and method that automatically, transparently and securely controls software execution by identifying and classifying software, and locating a rule and associated security level for executing executable software. The security level may disallow the software's execution, restrict the execution to some extent, or allow unrestricted execution... Software may be identified/classified by a hash of its content, by a digital signature, by its file system or network path, and/or by its URL zone.
 
Relevance
Claims
1
A method comprising:receiving a request from an application to load a first loadable object into memory;calculating a first signature value for the first loadable object; andloading the first loadable object into memory if the first signature value matches one of a plurality of signature values, each of the plurality of signature values being associated with a distinct loadable object.
Relevance
The Microsoft patent describes all the elements of the claim.
The Microsoft patent describes all the elements of the claim.
Claim Chart
All
2
The method of Claim 1, wherein the first signature value matches one of the plurality of signature values if the first loadable object is an unmodified one of the plurality of distinct loadable objects.
Relevance
The Microsoft patent describes all the elements of the claim.
The Microsoft patent describes all the elements of the claim.
Claim Chart
All
3
The method of Claim 1, further comprising:if the first signature value does not match one of the plurality of signature values, notifying a user that the first loadable object cannot be loaded.
Relevance
The Microsoft patent describes all the elements of the claim.
The Microsoft patent describes all the elements of the claim.
Claim Chart
All
4
The method of Claim 3, further comprising:generating a log of loadable objects that failed to load.
Relevance
The Microsoft patent describes all the elements of the claim.
The Microsoft patent describes all the elements of the claim.
Claim Chart
All
5
The method of Claim 1, wherein the first loadable object is at least one of a program, an application dynamic link library (dll), and a device driver.
Relevance
The Microsoft patent describes the loading of a DLL.
The Microsoft patent describes the loading of a DLL.
Claim Chart
All
6
The method of Claim 1, further comprising:calculating the plurality of signature values.
Relevance
The Microsoft patent describes all the elements of the claim.
The Microsoft patent describes all the elements of the claim.
Claim Chart
All
7
The method of Claim 1, further comprising:storing the plurality of signature values in a storage device.
Relevance
The Microsoft patent describes all the elements of the claim.
The Microsoft patent describes all the elements of the claim.
Claim Chart
All
8
The method of Claim 1, wherein each of the plurality of signature values is one of a cyclic redundancy check, a checksum, and a cryptographic hash of a loadable object.
Relevance
The Microsoft patent describes cryptographic hashes, "or the like".
The Microsoft patent describes cryptographic hashes, "or the like".
Claim Chart
All
9
A machine-accessible storage medium including instructions that, when executed by a machine, cause the machine to perform a method, comprising:receiving a request from an application to load a first loadable object into memory;calculating a first signature value for the first loadable object; andloading the first loadable object into memory if the first signature value matches one of a plurality of signature values, each of the plurality of signature values being associated with a distinct loadable object.
Relevance
The Microsoft patent describes all the elements of the claim.
The Microsoft patent describes all the elements of the claim.
Claim Chart
All
10
The machine-accessible storage medium of Claim 9, wherein the first signature value matches one of the plurality of signature values if the first loadable object is an unmodified one of the plurality of distinct loadable objects.
Relevance
The Microsoft patent describes all the elements of the claim.
The Microsoft patent describes all the elements of the claim.
Claim Chart
All
11
The machine-accessible storage medium of Claim 9, the method further comprising:if the first signature value does not match one of the plurality of signature values, notifying a user that the first loadable object cannot be loaded.
Relevance
The Microsoft patent describes all the elements of the claim.
The Microsoft patent describes all the elements of the claim.
Claim Chart
All
12
The machine-accessible storage medium of Claim 11, the method further comprising:generating a log of loadable objects that failed to load.
Relevance
The Microsoft patent describes all the elements of the claim.
The Microsoft patent describes all the elements of the claim.
Claim Chart
All
13
The machine-accessible storage medium of Claim 9, wherein the first loadable object is at least one of a program, an application dynamic link library (dll), and a device driver.
Relevance
The Microsoft patent describes the loading of a DLL.
The Microsoft patent describes the loading of a DLL.
Claim Chart
All
14
The machine-accessible storage medium of Claim 9, the method further comprising:storing the plurality of signature values in a storage device.
Relevance
The Microsoft patent describes all the elements of the claim.
The Microsoft patent describes all the elements of the claim.
Claim Chart
All
15
A computing apparatus comprising:a signature value generator to calculate a plurality of signature values, each of the plurality of signature values being calculated for one of a plurality of distinct loadable objects, and to store the plurality of signature values in a storage device;a comparator connected with the signature value generator, the comparator to compare a first signature value associated with a first loadable object to the plurality of signature values stored in the storage device; anda loader connected with a main memory and the comparator, the loader to receive a request to load the first loadable object into the main memory, and to load the first loadable object into the main memory if a first signature value associated with the first loadable object matches one of the plurality of signature values.
Relevance
The Microsoft patent describes all the elements of the claim.
The Microsoft patent describes all the elements of the claim.
Claim Chart
All
16
The computing apparatus of Claim 15, wherein the first signature value matches one of the plurality of signature values if the first loadable object is an unmodified one of the plurality of distinct loadable objects.
Relevance
The Microsoft patent describes all the elements of the claim.
The Microsoft patent describes all the elements of the claim.
Claim Chart
All
17
The computing apparatus of Claim 15, wherein the comparator is configured to notify a user that the first loadable object cannot be loaded if the first signature value does not match one of the plurality of signature values.
Relevance
The Microsoft patent describes all the elements of the claim.
The Microsoft patent describes all the elements of the claim.
Claim Chart
All
18
The computing apparatus of Claim 15, wherein the comparator is configured to generate a log of loadable objects that failed to load.
Relevance
The Microsoft patent describes all the elements of the claim.
The Microsoft patent describes all the elements of the claim.
Claim Chart
All
19
The computing apparatus of Claim 15, wherein the first loadable object is at least one of a program, an application dynamic link library (dll), and a device driver.
Relevance
The Microsoft patent describes the loading of a DLL.
The Microsoft patent describes the loading of a DLL.
Claim Chart
All
20
The computing apparatus of Claim 15, wherein the signature value generator to calculate the first signature value for the first loadable object.
Relevance
The Microsoft patent describes all the elements of the claim.
The Microsoft patent describes all the elements of the claim.
Claim Chart
All
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