TripleDESCng Class
Provides a Cryptography Next Generation (CNG) implementation of the Triple Data Encryption Standard (3DES) algorithm.
Assembly: System.Core (in System.Core.dll)
System.Security.Cryptography.SymmetricAlgorithm
System.Security.Cryptography.TripleDES
System.Security.Cryptography.TripleDESCng
| Name | Description | |
|---|---|---|
![]() | TripleDESCng() | Initializes a new instance of the TripleDESCng class with an ephemeral key. |
![]() | TripleDESCng(String) | Initializes a new instance of the TripleDESCng class with the specified key name, which represents an existing persisted 3DES key. |
![]() | TripleDESCng(String, CngProvider) | Initializes a new instance of the TripleDESCng class with the specified key name, which represents an existing persisted 3DES key, and the specified key storage provider (KSP). |
![]() | TripleDESCng(String, CngProvider, CngKeyOpenOptions) | Initializes a new instance of the TripleDESCng class with the specified key name, which represents an existing persisted 3DES key, the specified key storage provider (KSP) and key open options. |
| Name | Description | |
|---|---|---|
![]() | BlockSize | Gets or sets the block size, in bits, of the cryptographic operation.(Inherited from SymmetricAlgorithm.) |
![]() | FeedbackSize | Gets or sets the feedback size, in bits, of the cryptographic operation.(Inherited from SymmetricAlgorithm.) |
![]() | IV | Gets or sets the initialization vector (IV) for the symmetric algorithm.(Inherited from SymmetricAlgorithm.) |
![]() | Key | Gets or sets the key for the TripleDESCng algorithm.(Overrides TripleDES.Key.) |
![]() | KeySize | Gets or sets the size, in bits, of the secret key used by the TripleDESCng algorithm.(Overrides SymmetricAlgorithm.KeySize.) |
![]() | LegalBlockSizes | Gets the block sizes, in bits, that are supported by the symmetric algorithm.(Inherited from SymmetricAlgorithm.) |
![]() | LegalKeySizes | Gets the key sizes, in bits, that are supported by the symmetric algorithm.(Inherited from SymmetricAlgorithm.) |
![]() | Mode | Gets or sets the mode for operation of the symmetric algorithm.(Inherited from SymmetricAlgorithm.) |
![]() | Padding | Gets or sets the padding mode used in the symmetric algorithm.(Inherited from SymmetricAlgorithm.) |
| Name | Description | |
|---|---|---|
![]() | Clear() | Releases all resources used by the SymmetricAlgorithm class.(Inherited from SymmetricAlgorithm.) |
![]() | CreateDecryptor() | Creates a symmetric 3DES decryptor object with the current key and initialization vector (IV).(Overrides SymmetricAlgorithm.CreateDecryptor().) |
![]() | CreateDecryptor(Byte(), Byte()) | Creates a symmetric 3DES decryptor object with the specified key and initialization vector (IV).(Overrides SymmetricAlgorithm.CreateDecryptor(Byte(), Byte()).) |
![]() | CreateEncryptor() | Creates a symmetric 3DES encryptor object using the current key and initialization vector (IV).(Overrides SymmetricAlgorithm.CreateEncryptor().) |
![]() | CreateEncryptor(Byte(), Byte()) | Creates a symmetric 3DES encryptor object with the specified key and initialization vector (IV).(Overrides SymmetricAlgorithm.CreateEncryptor(Byte(), Byte()).) |
![]() | Dispose() | Releases all resources used by the current instance of the SymmetricAlgorithm class.(Inherited from SymmetricAlgorithm.) |
![]() | Equals(Object) | Determines whether the specified object is equal to the current object.(Inherited from Object.) |
![]() | GenerateIV() | Generates a random initialization vector (IV) to use for the 3DES algorithm.(Overrides SymmetricAlgorithm.GenerateIV().) |
![]() | GenerateKey() | Generates a random key to use for the 3DES algorithm.(Overrides SymmetricAlgorithm.GenerateKey().) |
![]() | GetHashCode() | Serves as the default hash function. (Inherited from Object.) |
![]() | GetType() | |
![]() | ToString() | Returns a string that represents the current object.(Inherited from Object.) |
![]() | ValidKeySize(Int32) | Determines whether the specified key size is valid for the current algorithm.(Inherited from SymmetricAlgorithm.) |
Available since 4.6.2
Any public static ( Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

