TripleDESCryptoServiceProvider Class

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Defines a wrapper object to access the cryptographic service provider (CSP) version of the TripleDES algorithm. This class cannot be inherited.

Inheritance Hierarchy

System. . :: . .Object
  Microsoft.SPOT.Cryptoki. . :: . .SessionContainer
    System.Security.Cryptography. . :: . .SymmetricAlgorithm
      System.Security.Cryptography..::..TripleDESCryptoServiceProvider

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

Syntax

'Declaration
Public NotInheritable Class TripleDESCryptoServiceProvider _
    Inherits SymmetricAlgorithm

public sealed class TripleDESCryptoServiceProvider : SymmetricAlgorithm

public ref class TripleDESCryptoServiceProvider sealed : public SymmetricAlgorithm

[<Sealed>]
type TripleDESCryptoServiceProvider =  
    class
        inherit SymmetricAlgorithm
    end

public final class TripleDESCryptoServiceProvider extends SymmetricAlgorithm

The TripleDESCryptoServiceProvider type exposes the following members.

Constructors

  Name Description
Public method TripleDESCryptoServiceProvider(CryptoKey) Initializes a new instance of the TripleDESCryptoServiceProvider class with the specified key.
Public method TripleDESCryptoServiceProvider(Int32) Initializes a new instance of the TripleDESCryptoServiceProvider class with the specified key size.
Public method TripleDESCryptoServiceProvider(Session, Int32) Initializes a new instance of the TripleDESCryptoServiceProvider class with the specified session context and key size.
Public method TripleDESCryptoServiceProvider(String, Int32) Initializes a new instance of the TripleDESCryptoServiceProvider class with the specified service provider and key size.

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Properties

  Name Description
Public property BlockSize Gets or sets the block size, in bits, of the cryptographic operation. (Inherited from SymmetricAlgorithm.)
Public property FeedbackSize Gets or sets the feedback size, in bits, of the cryptographic operation. (Inherited from SymmetricAlgorithm.)
Public property IsDisposed (Inherited from SessionContainer.)
Public property IV Gets or sets the initialization vector (IV) for the symmetric algorithm. (Inherited from SymmetricAlgorithm.)
Public property Key Gets or sets the secret key for the symmetric algorithm. (Inherited from SymmetricAlgorithm.)
Public property KeySize Gets or sets the size, in bits, of the secret key used by the symmetric algorithm. (Inherited from SymmetricAlgorithm.)
Public property LegalBlockSizes Gets the block sizes, in bits, that are supported by the symmetric algorithm. (Inherited from SymmetricAlgorithm.)
Public property LegalKeySizes Gets the key sizes, in bits, that are supported by the symmetric algorithm. (Inherited from SymmetricAlgorithm.)
Public property Mode Gets or sets the mode for operation of the symmetric algorithm. (Inherited from SymmetricAlgorithm.)
Public property Padding Gets or sets the padding mode used in the symmetric algorithm. (Inherited from SymmetricAlgorithm.)
Public property Session (Inherited from SessionContainer.)

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Methods

  Name Description
Public method Clear Releases all resources used by the SymmetricAlgorithm class. (Inherited from SymmetricAlgorithm.)
Public method CreateDecryptor() () () () Creates a symmetric decryptor object with the current Key property and initialization vector (IV). (Inherited from SymmetricAlgorithm.)
Public method CreateDecryptor(CryptoKey, array<Byte> [] () [] []) Creates a symmetric TripleDES decryptor object with the specified key and initialization vector (IV). (Overrides SymmetricAlgorithm. . :: . .CreateDecryptor(CryptoKey, array<Byte> [] () [] []).)
Public method CreateEncryptor() () () () Creates a symmetric encryptor object with the current Key property and initialization vector (IV). (Inherited from SymmetricAlgorithm.)
Public method CreateEncryptor(CryptoKey, array<Byte> [] () [] []) Creates a symmetric TripleDES encryptor object with the specified key and initialization vector (IV). (Overrides SymmetricAlgorithm. . :: . .CreateEncryptor(CryptoKey, array<Byte> [] () [] []).)
Public method Dispose() () () () (Inherited from SessionContainer.)
Public method Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Public method GenerateIV Generates a random initialization vector (IV) to use for the algorithm. (Overrides SymmetricAlgorithm. . :: . .GenerateIV() () () ().)
Public method GenerateKey Generates a random Key to be used for the algorithm. (Overrides SymmetricAlgorithm. . :: . .GenerateKey() () () ().)
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.)
Public method ToString Returns a string that represents the current object. (Inherited from Object.)
Public method ValidKeySize Determines whether the specified key size is valid for the current algorithm. (Inherited from SymmetricAlgorithm.)

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Fields

  Name Description
Public fieldStatic member DefaultKeySize Represents the key size to use if one is not provided. This field contains a value of 192.

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Remarks

This algorithm supports key lengths from 128 bits to 192 bits in increments of 64 bits.

Thread Safety

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

See Also

Reference

System.Security.Cryptography Namespace