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HashAlgorithm.HashCore Method

When overridden in a derived class, routes data written to the object into the hash algorithm for computing the hash.

Namespace:  System.Security.Cryptography
Assembly:  mscorlib (in mscorlib.dll)
'Declaration
Protected MustOverride Sub HashCore ( _
	array As Byte(), _
	ibStart As Integer, _
	cbSize As Integer _
)

Parameters

array
Type: System.Byte()
The input to compute the hash code for.
ibStart
Type: System.Int32
The offset into the byte array from which to begin using data.
cbSize
Type: System.Int32
The number of bytes in the byte array to use as data.

This method is not called by application code.

This abstract method performs the hash computation. Every write to the cryptographic stream object passes the data through this method. For each block of data, this method updates the state of the hash object so a correct hash value is returned at the end of the data stream.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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