Padding Property

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Gets or sets the padding mode used in the symmetric algorithm.

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

public virtual PaddingMode Padding { get; set; }

Property Value

Type: System.Security.Cryptography..::..PaddingMode
The padding mode used in the symmetric algorithm. The default is PaddingMode..::..PKCS7.

Most plain text messages do not consist of a number of bytes that completely fill blocks. Often, there are not enough bytes to fill the last block. When this happens, a padding string is added to the text. For example, if the block length is 64 bits and the last block contains only 40 bits, 24 bits of padding are added.