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HashAlgorithm.HashCore Method

.NET Framework 4.5

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)

protected abstract void HashCore(
	byte[] array,
	int ibStart,
	int cbSize
)

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.

Remarks

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.

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

Reference

HashAlgorithm Class

System.Security.Cryptography Namespace

Other Resources

Cryptographic Services

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