An array that is a copy of the part of the input that is hashed.
You must call the HashAlgorithm.TransformFinalBlock(Byte[], int, int) method after calling the HashAlgorithm.TransformBlock(Byte[], int, int, Byte[], int) method but before you retrieve the final hash value.
Note that the return value of this method is not the hash value, but only a copy of the hashed part of the input data. To retrieve the final hashed value after calling the HashAlgorithm.TransformFinalBlock(Byte[], int, int) method, get the byte array contained in the HashAlgorithm.Hash property.