TripleDESCng Class

Reference

Definition

Namespace:: System.Security.Cryptography

Assembly:: System.Security.Cryptography.Cng.dll

Assembly:: System.Security.Cryptography.dll

Assembly:: System.Core.dll

Package:: System.Security.Cryptography.Cng v5.0.0

Source:: Cng.NotSupported.cs

Source:: Cng.NotSupported.cs

Source:: Cng.NotSupported.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Provides a Cryptography Next Generation (CNG) implementation of the Triple Data Encryption Standard (3DES) algorithm.

public ref class TripleDESCng sealed : System::Security::Cryptography::TripleDES

public sealed class TripleDESCng : System.Security.Cryptography.TripleDES

type TripleDESCng = class
    inherit TripleDES

Public NotInheritable Class TripleDESCng
Inherits TripleDES

Inheritance: Object

SymmetricAlgorithm

TripleDES
TripleDESCng

Remarks

Important

A newer symmetric encryption algorithm, Advanced Encryption Standard (AES), is available. Consider using the Aes class and its derived classes instead of the TripleDES class. Use TripleDES only for compatibility with legacy applications and data.

Constructors

TripleDESCng()	Initializes a new instance of the TripleDESCng class with an ephemeral key.
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.
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)	Initializes a new instance of the TripleDESCng class with the specified key name, which represents an existing persisted 3DES key.

Fields

BlockSizeValue	Represents the block size, in bits, of the cryptographic operation. (Inherited from SymmetricAlgorithm)
FeedbackSizeValue	Represents the feedback size, in bits, of the cryptographic operation. (Inherited from SymmetricAlgorithm)
IVValue	Represents the initialization vector (IV) for the symmetric algorithm. (Inherited from SymmetricAlgorithm)
KeySizeValue	Represents the size, in bits, of the secret key used by the symmetric algorithm. (Inherited from SymmetricAlgorithm)
KeyValue	Represents the secret key for the symmetric algorithm. (Inherited from SymmetricAlgorithm)
LegalBlockSizesValue	Specifies the block sizes, in bits, that are supported by the symmetric algorithm. (Inherited from SymmetricAlgorithm)
LegalKeySizesValue	Specifies the key sizes, in bits, that are supported by the symmetric algorithm. (Inherited from SymmetricAlgorithm)
ModeValue	Represents the cipher mode used in the symmetric algorithm. (Inherited from SymmetricAlgorithm)
PaddingValue	Represents the padding mode used in the symmetric algorithm. (Inherited from SymmetricAlgorithm)

Properties

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 for the Cipher Feedback (CFB) and Output Feedback (OFB) cipher modes. (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.
KeySize	Gets or sets the size, in bits, of the secret key used by the TripleDESCng algorithm.
LegalBlockSizes	Gets the block sizes, in bits, that are supported by the symmetric algorithm. (Inherited from TripleDES)
LegalKeySizes	Gets the key sizes, in bits, that are supported by the symmetric algorithm.
LegalKeySizes	Gets the key sizes, in bits, that are supported by the symmetric algorithm. (Inherited from TripleDES)
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)

Methods

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).
CreateDecryptor(Byte[], Byte[])	Creates a symmetric 3DES decryptor object with the specified key and initialization vector (IV).
CreateEncryptor()	Creates a symmetric 3DES encryptor object using the current key and initialization vector (IV).
CreateEncryptor(Byte[], Byte[])	Creates a symmetric 3DES encryptor object with the specified key and initialization vector (IV).
DecryptCbc(Byte[], Byte[], PaddingMode)	Decrypts data using CBC mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
DecryptCbc(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, PaddingMode)	Decrypts data using CBC mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
DecryptCbc(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, Span<Byte>, PaddingMode)	Decrypts data into the specified buffer, using CBC mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
DecryptCfb(Byte[], Byte[], PaddingMode, Int32)	Decrypts data using CFB mode with the specified padding mode and feedback size. (Inherited from SymmetricAlgorithm)
DecryptCfb(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, PaddingMode, Int32)	Decrypts data using CFB mode with the specified padding mode and feedback size. (Inherited from SymmetricAlgorithm)
DecryptCfb(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, Span<Byte>, PaddingMode, Int32)	Decrypts data into the specified buffer, using CFB mode with the specified padding mode and feedback size. (Inherited from SymmetricAlgorithm)
DecryptEcb(Byte[], PaddingMode)	Decrypts data using ECB mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
DecryptEcb(ReadOnlySpan<Byte>, PaddingMode)	Decrypts data using ECB mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
DecryptEcb(ReadOnlySpan<Byte>, Span<Byte>, PaddingMode)	Decrypts data into the specified buffer, using ECB mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
Dispose()	Releases all resources used by the current instance of the SymmetricAlgorithm class. (Inherited from SymmetricAlgorithm)
Dispose(Boolean)	Releases the unmanaged resources used by the SymmetricAlgorithm and optionally releases the managed resources. (Inherited from SymmetricAlgorithm)
EncryptCbc(Byte[], Byte[], PaddingMode)	Encrypts data using CBC mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
EncryptCbc(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, PaddingMode)	Encrypts data using CBC mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
EncryptCbc(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, Span<Byte>, PaddingMode)	Encrypts data into the specified buffer, using CBC mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
EncryptCfb(Byte[], Byte[], PaddingMode, Int32)	Encrypts data using CFB mode with the specified padding mode and feedback size. (Inherited from SymmetricAlgorithm)
EncryptCfb(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, PaddingMode, Int32)	Encrypts data using CFB mode with the specified padding mode and feedback size. (Inherited from SymmetricAlgorithm)
EncryptCfb(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, Span<Byte>, PaddingMode, Int32)	Encrypts data into the specified buffer, using CFB mode with the specified padding mode and feedback size. (Inherited from SymmetricAlgorithm)
EncryptEcb(Byte[], PaddingMode)	Encrypts data using ECB mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
EncryptEcb(ReadOnlySpan<Byte>, PaddingMode)	Encrypts data using ECB mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
EncryptEcb(ReadOnlySpan<Byte>, Span<Byte>, PaddingMode)	Encrypts data into the specified buffer, using ECB mode with the specified padding mode. (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.
GenerateKey()	Generates a random key to use for the 3DES algorithm.
GetCiphertextLengthCbc(Int32, PaddingMode)	Gets the length of a ciphertext with a given padding mode and plaintext length in CBC mode. (Inherited from SymmetricAlgorithm)
GetCiphertextLengthCfb(Int32, PaddingMode, Int32)	Gets the length of a ciphertext with a given padding mode and plaintext length in CFB mode. (Inherited from SymmetricAlgorithm)
GetCiphertextLengthEcb(Int32, PaddingMode)	Gets the length of a ciphertext with a given padding mode and plaintext length in ECB mode. (Inherited from SymmetricAlgorithm)
GetHashCode()	Serves as the default hash function. (Inherited from Object)
GetType()	Gets the Type of the current instance. (Inherited from Object)
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
ToString()	Returns a string that represents the current object. (Inherited from Object)
TryDecryptCbc(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, Span<Byte>, Int32, PaddingMode)	Attempts to decrypt data into the specified buffer, using CBC mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
TryDecryptCbcCore(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, Span<Byte>, PaddingMode, Int32)	When overridden in a derived class, attempts to decrypt data into the specified buffer, using CBC mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
TryDecryptCfb(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, Span<Byte>, Int32, PaddingMode, Int32)	Attempts to decrypt data into the specified buffer, using CFB mode with the specified padding mode and feedback size. (Inherited from SymmetricAlgorithm)
TryDecryptCfbCore(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, Span<Byte>, PaddingMode, Int32, Int32)	When overridden in a derived class, attempts to decrypt data into the specified buffer, using CFB mode with the specified padding mode and feedback size. (Inherited from SymmetricAlgorithm)
TryDecryptEcb(ReadOnlySpan<Byte>, Span<Byte>, PaddingMode, Int32)	Attempts to decrypt data into the specified buffer, using ECB mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
TryDecryptEcbCore(ReadOnlySpan<Byte>, Span<Byte>, PaddingMode, Int32)	When overridden in a derived class, attempts to decrypt data into the specified buffer, using ECB mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
TryEncryptCbc(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, Span<Byte>, Int32, PaddingMode)	Attempts to encrypt data into the specified buffer, using CBC mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
TryEncryptCbcCore(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, Span<Byte>, PaddingMode, Int32)	When overridden in a derived class, attempts to encrypt data into the specified buffer, using CBC mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
TryEncryptCfb(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, Span<Byte>, Int32, PaddingMode, Int32)	Attempts to encrypt data into the specified buffer, using CFB mode with the specified padding mode and feedback size. (Inherited from SymmetricAlgorithm)
TryEncryptCfbCore(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, Span<Byte>, PaddingMode, Int32, Int32)	When overridden in a derived class, attempts to encrypt data into the specified buffer, using CFB mode with the specified padding mode and feedback size. (Inherited from SymmetricAlgorithm)
TryEncryptEcb(ReadOnlySpan<Byte>, Span<Byte>, PaddingMode, Int32)	Attempts to encrypt data into the specified buffer, using ECB mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
TryEncryptEcbCore(ReadOnlySpan<Byte>, Span<Byte>, PaddingMode, Int32)	When overridden in a derived class, attempts to encrypt data into the specified buffer, using ECB mode with the specified padding mode. (Inherited from SymmetricAlgorithm)
ValidKeySize(Int32)	Determines whether the specified key size is valid for the current algorithm. (Inherited from SymmetricAlgorithm)

Applies to

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