AesCryptoServiceProvider Class
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AesCryptoServiceProvider Class

 

Performs symmetric encryption and decryption using the Cryptographic Application Programming Interfaces (CAPI) implementation of the Advanced Encryption Standard (AES) algorithm.

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

System.Object
  System.Security.Cryptography.SymmetricAlgorithm
    System.Security.Cryptography.Aes
      System.Security.Cryptography.AesCryptoServiceProvider

[<Sealed>]
[<HostProtectionAttribute(SecurityAction.LinkDemand, MayLeakOnAbort = true)>]
type AesCryptoServiceProvider = 
    class
        inherit Aes
    end

NameDescription
System_CAPS_pubmethodAesCryptoServiceProvider()

Initializes a new instance of the AesCryptoServiceProvider class.

NameDescription
System_CAPS_pubpropertyBlockSize

Gets or sets the block size, in bits, of the cryptographic operation.(Inherited from SymmetricAlgorithm.)

System_CAPS_pubpropertyFeedbackSize

Gets or sets the feedback size, in bits, of the cryptographic operation.(Inherited from SymmetricAlgorithm.)

System_CAPS_pubpropertyIV

Gets or sets the initialization vector (IV) for the symmetric algorithm.(Inherited from SymmetricAlgorithm.)

System_CAPS_pubpropertyKey

Gets or sets the symmetric key that is used for encryption and decryption.(Overrides SymmetricAlgorithm.Key.)

System_CAPS_pubpropertyKeySize

Gets or sets the size, in bits, of the secret key. (Overrides SymmetricAlgorithm.KeySize.)

System_CAPS_pubpropertyLegalBlockSizes

Gets the block sizes, in bits, that are supported by the symmetric algorithm.(Inherited from SymmetricAlgorithm.)

System_CAPS_pubpropertyLegalKeySizes

Gets the key sizes, in bits, that are supported by the symmetric algorithm.(Inherited from SymmetricAlgorithm.)

System_CAPS_pubpropertyMode

Gets or sets the mode for operation of the symmetric algorithm.(Inherited from SymmetricAlgorithm.)

System_CAPS_pubpropertyPadding

Gets or sets the padding mode used in the symmetric algorithm.(Inherited from SymmetricAlgorithm.)

NameDescription
System_CAPS_pubmethodClear()

Releases all resources used by the SymmetricAlgorithm class.(Inherited from SymmetricAlgorithm.)

System_CAPS_pubmethodCreateDecryptor()

Creates a symmetric AES decryptor object using the current key and initialization vector (IV).(Overrides SymmetricAlgorithm.CreateDecryptor().)

System_CAPS_pubmethodCreateDecryptor(Byte[], Byte[])

Creates a symmetric AES decryptor object using the specified key and initialization vector (IV).(Overrides SymmetricAlgorithm.CreateDecryptor(Byte[], Byte[]).)

System_CAPS_pubmethodCreateEncryptor()

Creates a symmetric AES encryptor object using the current key and initialization vector (IV).(Overrides SymmetricAlgorithm.CreateEncryptor().)

System_CAPS_pubmethodCreateEncryptor(Byte[], Byte[])

Creates a symmetric encryptor object using the specified key and initialization vector (IV).(Overrides SymmetricAlgorithm.CreateEncryptor(Byte[], Byte[]).)

System_CAPS_pubmethodDispose()

Releases all resources used by the current instance of the SymmetricAlgorithm class.(Inherited from SymmetricAlgorithm.)

System_CAPS_pubmethodEquals(Object)

Determines whether the specified object is equal to the current object.(Inherited from Object.)

System_CAPS_pubmethodGenerateIV()

Generates a random initialization vector (IV) to use for the algorithm.(Overrides SymmetricAlgorithm.GenerateIV().)

System_CAPS_pubmethodGenerateKey()

Generates a random key to use for the algorithm. (Overrides SymmetricAlgorithm.GenerateKey().)

System_CAPS_pubmethodGetHashCode()

Serves as the default hash function. (Inherited from Object.)

System_CAPS_pubmethodGetType()

Gets the Type of the current instance.(Inherited from Object.)

System_CAPS_pubmethodToString()

Returns a string that represents the current object.(Inherited from Object.)

System_CAPS_pubmethodValidKeySize(Int32)

Determines whether the specified key size is valid for the current algorithm.(Inherited from SymmetricAlgorithm.)

The following example demonstrates how to encrypt and decrypt sample data using the AesCryptoServiceProvider class.

No code example is currently available or this language may not be supported.

.NET Framework
Available since 3.5

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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