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HashAlgorithm.ComputeHash Method (Byte[], Int32, Int32)

Computes the hash value for the specified region of the specified byte array.

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

public byte[] ComputeHash(
	byte[] buffer,
	int offset,
	int count
)

Parameters

buffer
Type: System.Byte[]

The input to compute the hash code for.

offset
Type: System.Int32

The offset into the byte array from which to begin using data.

count
Type: System.Int32

The number of bytes in the array to use as data.

Return Value

Type: System.Byte[]
The computed hash code.

ExceptionCondition
ArgumentException

count is an invalid value.

-or-

buffer length is invalid.

ArgumentNullException

buffer is null.

ArgumentOutOfRangeException

offset is out of range. This parameter requires a non-negative number.

ObjectDisposedException

The object has already been disposed.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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