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SecurityCriticalAttribute Class

Specifies that code or an assembly performs security-critical operations.

Namespace: System.Security
Assembly: mscorlib (in mscorlib.dll)

[AttributeUsageAttribute(AttributeTargets.Assembly|AttributeTargets.Module|AttributeTargets.Class|AttributeTargets.Struct|AttributeTargets.Enum|AttributeTargets.Constructor|AttributeTargets.Method|AttributeTargets.Property|AttributeTargets.Field|AttributeTargets.Event|AttributeTargets.Interface|AttributeTargets.Delegate, AllowMultiple=false, Inherited=false)] 
public sealed class SecurityCriticalAttribute : Attribute
/** @attribute AttributeUsageAttribute(AttributeTargets.Assembly|AttributeTargets.Module|AttributeTargets.Class|AttributeTargets.Struct|AttributeTargets.Enum|AttributeTargets.Constructor|AttributeTargets.Method|AttributeTargets.Property|AttributeTargets.Field|AttributeTargets.Event|AttributeTargets.Interface|AttributeTargets.Delegate, AllowMultiple=false, Inherited=false) */ 
public final class SecurityCriticalAttribute extends Attribute
AttributeUsageAttribute(AttributeTargets.Assembly|AttributeTargets.Module|AttributeTargets.Class|AttributeTargets.Struct|AttributeTargets.Enum|AttributeTargets.Constructor|AttributeTargets.Method|AttributeTargets.Property|AttributeTargets.Field|AttributeTargets.Event|AttributeTargets.Interface|AttributeTargets.Delegate, AllowMultiple=false, Inherited=false) 
public final class SecurityCriticalAttribute extends Attribute
Not applicable.

Security-critical operations are actions that affect code access security, such as elevation of privilege through suppression of code access security checks by using the Assert method, calling unsafe managed code, and so forth. The SecurityCriticalAttribute attribute must be applied to code for the code to perform security-critical operations. Security-critical code is accessible from partially trusted code and can expose access to protected resources or functionality. Code with the SecurityCriticalAttribute applied must be subject to a rigorous security audit to ensure that it can be used safely in a secure execution environment. Operations that are not security-critical are described as transparent.

Applying the SecurityCriticalAttribute at the assembly level identifies it as a security-critical assembly. The entire assembly can be identified as critical by setting the scope parameter Everything.

System.Object
   System.Attribute
    System.Security.SecurityCriticalAttribute

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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