问Capicom与.Net System.Security.Cryptography不同的3 3DES标准？

EN

Dim m_des As New TripleDESCryptoServiceProvider

...

Private ReadOnly str_key As String = "MyPwd1234567890p"
Private ReadOnly iv() As Byte = {8, 7, 6, 5, 4, 3, 2, 1}
Private m_utf8 As New UTF8Encoding
Private m_key() As Byte
Private m_iv() As Byte

Public Sub New(ByVal key() As Byte, ByVal iv() As Byte)
        Me.m_key = key
        Me.m_iv = iv
End Sub

' VB.NET to convert a string to a byte array
Public Shared Function StrToByteArray(ByVal str As String) As Byte()
  Dim encoding As New System.Text.UTF8Encoding()
  Return encoding.GetBytes(str)
End Function

Public Function Encrypt(ByVal input() As Byte) As Byte()        
        Return Transform(input, m_des.CreateEncryptor(StrToByteArray(str_key), m_iv))
End Function

Dim DecryptData
Set DecryptData = CreateObject("CAPICOM.EncryptedData")

Dim sDAta
sData = "Hello World"

DecryptData.Algorithm.KeyLength = CAPICOM_ENCRYPTION_KEY_LENGTH_128_BITS
DecryptData.Algorithm.Name = CAPICOM_ENCRYPTION_ALGORITHM_3DES
DecryptData.SetSecret("MyPwd1234567890p")

result = DecryptData.Decrypt(sData)