用vb实现DES加解密算法(三)--解密

用vb实现DES加解密算法(三)--解密(3)     Dim C12(27) As Byte: Dim D12(27) As Byte:
    Dim C13(27) As Byte: Dim D13(27) As Byte:
    Dim C14(27) As Byte: Dim D14(27) As Byte:
    Dim C15(27) As Byte: Dim D15(27) As Byte:
    Dim C16(27) As Byte: Dim D16(27) As Byte:
   
    Dim C_D(55) As Byte     'Cn,Dn合并后的存放处
   
    Dim K1(47) As Byte: Dim K2(47) As Byte: Dim K3(47) As Byte: Dim K4(47) As Byte:
    Dim K5(47) As Byte: Dim K6(47) As Byte: Dim K7(47) As Byte: Dim K8(47) As Byte:
    Dim K9(47) As Byte: Dim K10(47) As Byte: Dim K11(47) As Byte: Dim K12(47) As Byte:
    Dim K13(47) As Byte: Dim K14(47) As Byte: Dim K15(47) As Byte: Dim K16(47) As Byte:
   
    Dim i As Integer
    Dim j As Integer
    '取密钥的前8字节
    tempKey = StrConv(sKey, vbFromUnicode)
    ReDim Preserve tempKey(7)
   
    For i = 0 To 7
        BinKey(i * 8 + 0) = (tempKey(i) And &H80) \ &H80
        BinKey(i * 8 + 1) = (tempKey(i) And &H40) \ &H40
        BinKey(i * 8 + 2) = (tempKey(i) And &H20) \ &H20
        BinKey(i * 8 + 3) = (tempKey(i) And &H10) \ &H10
        BinKey(i * 8 + 4) = (tempKey(i) And &H8) \ &H8
        BinKey(i * 8 + 5) = (tempKey(i) And &H4) \ &H4
        BinKey(i * 8 + 6) = (tempKey(i) And &H2) \ &H2
        BinKey(i * 8 + 7) = (tempKey(i) And &H1) \ &H1
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