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Rfc2898DeriveBytes.Salt Property

Updated: December 2008

Gets or sets the key salt value for the operation.

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

public function get Salt () : byte[]
public function set Salt (value : byte[])

Property Value

Type: System.Byte[]
The key salt value for the operation.

ExceptionCondition
ArgumentException

The specified salt size is smaller than 8 bytes.

ArgumentNullException

The salt is a null reference (Nothing in Visual Basic).

Salt, a random set of bytes, is used to make unauthorized decrypting of a message more difficult. A dictionary attack is an attack in which the attacker attempts to decrypt an encrypted message by comparing the encrypted value with previously computed encrypted values for the most likely keys. This attack is made much more difficult by the introduction of salt, or random bytes, at the end of the password before the key derivation.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0

Date

History

Reason

December 2008

Removed incorrect sample.

Customer feedback.

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