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SymmetricAlgorithm.BlockSize Property

Gets or sets the block size, in bits, of the cryptographic operation.

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

'Declaration
Public Overridable Property BlockSize As Integer
'Usage
Dim instance As SymmetricAlgorithm
Dim value As Integer

value = instance.BlockSize

instance.BlockSize = value
/** @property */
public int get_BlockSize ()

/** @property */
public void set_BlockSize (int value)

public function get BlockSize () : int

public function set BlockSize (value : int)

Not applicable.

Property Value

The block size, in bits.

Exception typeCondition

CryptographicException

The block size is invalid.

The block size is the basic unit of data that can be encrypted or decrypted in one operation. Messages longer than the block size are handled as successive blocks; messages shorter than the block size must be padded with extra bits to reach the size of a block. Valid block sizes are determined by the symmetric algorithm used.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0

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