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System.Security.Policy Namespace

The System.Security.Policy namespace contains code groups, membership conditions, and evidence. These three types of classes are used to create the rules applied by the common language runtime security policy system. Evidence classes are the input to security policy and membership conditions are the switches; together these create policy statements and determine the granted permission set. Policy levels and code groups are the structure of the policy hierarchy. Code groups are the encapsulation of a rule and are arranged hierarchically in a policy level.

Namespace hierarchy

Classes

Class Description
AllMembershipCondition Represents a membership condition that matches all code. This class cannot be inherited.
ApplicationDirectory Provides the application directory as evidence for policy evaluation. This class cannot be inherited.
ApplicationDirectoryMembershipCondition Determines whether an assembly belongs to a code group by testing its application directory. This class cannot be inherited.
CodeGroup Represents the abstract base class from which all implementations of code groups must derive.
Evidence Defines the set of information that constitutes input to security policy decisions. This class cannot be inherited.
FileCodeGroup Grants permission to manipulate files located in the code assemblies to code assemblies that match the membership condition. This class cannot be inherited.
FirstMatchCodeGroup Allows security policy to be defined by the union of the policy statement of a code group and that of the first child code group that matches. This class cannot be inherited.
Hash Provides evidence about the hash value for an assembly. This class cannot be inherited.
HashMembershipCondition Determines whether an assembly belongs to a code group by testing its hash value. This class cannot be inherited.
NetCodeGroup Grants Web permission to the site from which the assembly was downloaded. This class cannot be inherited.
PermissionRequestEvidence Defines evidence that represents permission requests. This class cannot be inherited.
PolicyException The exception that is thrown when policy forbids code to run.
PolicyLevel Represents the security policy levels for the common language runtime. This class cannot be inherited.
PolicyStatement Represents the statement of a CodeGroup describing the permissions and other information that apply to code with a particular set of evidence. This class cannot be inherited.
Publisher Provides the Authenticode X.509v3 digital signature of a code assembly as evidence for policy evaluation. This class cannot be inherited.
PublisherMembershipCondition Determines whether an assembly belongs to a code group by testing its software publisher's Authenticode X.509v3 certificate. This class cannot be inherited.
Site Provides the Web site from which a code assembly originates as evidence for policy evaluation. This class cannot be inherited.
SiteMembershipCondition Determines whether an assembly belongs to a code group by testing the site from which it originated. This class cannot be inherited.
StrongName Provides the strong name of a code assembly as evidence for policy evaluation. This class cannot be inherited.
StrongNameMembershipCondition Determines whether an assembly belongs to a code group by testing its strong name. This class cannot be inherited.
UnionCodeGroup Represents a code group whose policy statement is the union of the current code group's policy statement and the policy statement of all its matching child code groups. This class cannot be inherited.
Url Provides the URL from which a code assembly originates as evidence for policy evaluation. This class cannot be inherited.
UrlMembershipCondition Determines whether an assembly belongs to a code group by testing its URL. This class cannot be inherited.
Zone Provides the security zone of a code assembly as evidence for policy evaluation. This class cannot be inherited.
ZoneMembershipCondition Determines whether an assembly belongs to a code group by testing its zone of origin. This class cannot be inherited.

Interfaces

Interface Description
IIdentityPermissionFactory Defines the method that creates a new identity permission.
IMembershipCondition Defines the test to determine whether a code assembly is a member of a code group.

Enumerations

Enumeration Description
PolicyStatementAttribute Defines special attribute flags for security policy on code groups.

See Also

.NET Framework Class Library

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