Gets or sets a value that will be added to the beginning of the secret agreement when deriving key material.
Assembly: System.Core (in System.Core.dll)
This value is used for key derivation if the KeyDerivationFunction property is set to one of the following values:
The value is prepended to the secret agreement, and the combined value is passed to the key derivation function (KDF) to generate the key material. By default, the value is null.