本文整理匯總了VB.NET中System.Security.Cryptography.HashAlgorithm.TransformBlock方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET HashAlgorithm.TransformBlock方法的具體用法？VB.NET HashAlgorithm.TransformBlock怎麽用？VB.NET HashAlgorithm.TransformBlock使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。
在下文中一共展示了HashAlgorithm.TransformBlock方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: Program
' 導入命名空間
Imports System.Text
Imports System.Security.Cryptography
Class Program
Public Shared Sub Main()
Dim rnd As RandomNumberGenerator = RandomNumberGenerator.Create
Dim input() As Byte = New Byte((20) - 1) {}
rnd.GetBytes(input)
Console.WriteLine("Input : {0}"& vbLf, BytesToStr(input))
PrintHash(input)
PrintHashOneBlock(input)
PrintHashMultiBlock(input, 1)
PrintHashMultiBlock(input, 2)
PrintHashMultiBlock(input, 3)
PrintHashMultiBlock(input, 5)
PrintHashMultiBlock(input, 10)
PrintHashMultiBlock(input, 11)
PrintHashMultiBlock(input, 19)
PrintHashMultiBlock(input, 20)
PrintHashMultiBlock(input, 21)
End Sub
Public Shared Function BytesToStr(ByVal bytes() As Byte) As String
Dim str As StringBuilder = New StringBuilder
Dim i As Integer = 0
Do While (i < bytes.Length)
str.AppendFormat("{0:X2}", bytes(i))
i = (i + 1)
Loop
Return str.ToString
End Function
Public Shared Sub PrintHash(ByVal input() As Byte)
Dim sha As SHA256Managed = New SHA256Managed
Console.WriteLine("ComputeHash : {0}", BytesToStr(sha.ComputeHash(input)))
End Sub
Public Shared Sub PrintHashOneBlock(ByVal input() As Byte)
Dim sha As SHA256Managed = New SHA256Managed
sha.TransformFinalBlock(input, 0, input.Length)
Console.WriteLine("FinalBlock : {0}", BytesToStr(sha.Hash))
End Sub
Public Shared Sub PrintHashMultiBlock(ByVal input() As Byte, ByVal size As Integer)
Dim sha As SHA256Managed = New SHA256Managed
Dim offset As Integer = 0
While ((input.Length - offset) _
>= size)
offset = (offset + sha.TransformBlock(input, offset, size, input, offset))
End While
sha.TransformFinalBlock(input, offset, (input.Length - offset))
Console.WriteLine("MultiBlock {0:00}: {1}", size, BytesToStr(sha.Hash))
End Sub
End Class