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SymmetricAlgorithm.BlockSize Property

Microsoft Silverlight will reach end of support after October 2021. Learn more.

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

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

Syntax

'Declaration
Public Overridable Property BlockSize As Integer

public virtual int BlockSize { get; set; }

Property Value

Type: System.Int32
The block size, in bits.

Exceptions

Exception Condition
CryptographicException

The block size is invalid.

Remarks

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.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.