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ECDsa Class

Provides an abstract base class that encapsulates the Elliptic Curve Digital Signature Algorithm (ECDSA).

Namespace:  System.Security.Cryptography
Assembly:  System.Core (in System.Core.dll)
[HostProtectionAttribute(SecurityAction.LinkDemand, MayLeakOnAbort = true)]
public abstract class ECDsa : AsymmetricAlgorithm

The ECDsa type exposes the following members.

  Name Description
Protected method ECDsa Initializes a new instance of the ECDsa class.
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  Name Description
Public property KeyExchangeAlgorithm Gets the name of the key exchange algorithm. (Overrides AsymmetricAlgorithm.KeyExchangeAlgorithm.)
Public property KeySize Gets or sets the size, in bits, of the key modulus used by the asymmetric algorithm. (Inherited from AsymmetricAlgorithm.)
Public property LegalKeySizes Gets the key sizes that are supported by the asymmetric algorithm. (Inherited from AsymmetricAlgorithm.)
Public property SignatureAlgorithm Gets the name of the signature algorithm. (Overrides AsymmetricAlgorithm.SignatureAlgorithm.)
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  Name Description
Public method Clear Releases all resources used by the AsymmetricAlgorithm class. (Inherited from AsymmetricAlgorithm.)
Public method Static member Create() Creates a new instance of the default implementation of the Elliptic Curve Digital Signature Algorithm (ECDSA).
Public method Static member Create(String) Creates a new instance of the specified implementation of the Elliptic Curve Digital Signature Algorithm (ECDSA).
Public method Dispose() Releases all resources used by the current instance of the AsymmetricAlgorithm class. (Inherited from AsymmetricAlgorithm.)
Protected method Dispose(Boolean) Releases the unmanaged resources used by the AsymmetricAlgorithm class and optionally releases the managed resources. (Inherited from AsymmetricAlgorithm.)
Public method Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected method Finalize Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public method FromXmlString When overridden in a derived class, reconstructs an AsymmetricAlgorithm object from an XML string. (Inherited from AsymmetricAlgorithm.)
Public method GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
Public method GetType Gets the Type of the current instance. (Inherited from Object.)
Protected method MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Public method SignHash Generates a digital signature for the specified hash value.
Public method ToString Returns a string that represents the current object. (Inherited from Object.)
Public method ToXmlString When overridden in a derived class, creates and returns an XML string representation of the current AsymmetricAlgorithm object. (Inherited from AsymmetricAlgorithm.)
Public method VerifyHash Verifies a digital signature against the specified hash value.
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  Name Description
Protected field KeySizeValue Represents the size, in bits, of the key modulus used by the asymmetric algorithm. (Inherited from AsymmetricAlgorithm.)
Protected field LegalKeySizesValue Specifies the key sizes that are supported by the asymmetric algorithm. (Inherited from AsymmetricAlgorithm.)
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This class serves as the abstract base class for ECDsaCng derivations.

Note Note

The HostProtectionAttribute attribute applied to this type or member has the following Resources property value: MayLeakOnAbort. The HostProtectionAttribute does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). For more information, see the HostProtectionAttribute class or SQL Server Programming and Host Protection Attributes.

.NET Framework

Supported in: 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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