Function EncryptStr(Str As String, Seed As Integer) As String ‘加密 Dim i As Long Dim l As Long Dim r As String Dim c As Integer Dim Ev As Variant Dim Tmp As String
Ev = Array(98, 156, 67, 2, 67, 271, 195, 50, 251, 58, 85) r = "" l = Len(Str) For i = 1 To l c = Asc(Mid(Str, i, 1)) Xor Ev(i Mod 10) Xor Seed Tmp = Hex(c) r = r & Tmp & Space(4 - Len(Tmp)) Next EncryptStr = r End FunctionFunction DecryptStr(Str As String, Seed As Integer) As String ’解密 Dim i As Long Dim l As Long Dim r As String Dim c As Integer Dim Ev As Variant Dim Tmp As String r = "" Ev = Array(98, 156, 67, 2, 67, 271, 195, 50, 251, 58, 85)
l = Len(Str) For i = 1 To l Step 4 r = r & Chr(Val("&H" & Mid(Str, i, 4)) Xor Ev(((i + 3) \ 4) Mod 10) Xor Seed) Next DecryptStr = r End Function
‘加密
Dim i As Long
Dim l As Long
Dim r As String
Dim c As Integer
Dim Ev As Variant
Dim Tmp As String
Ev = Array(98, 156, 67, 2, 67, 271, 195, 50, 251, 58, 85)
r = ""
l = Len(Str)
For i = 1 To l
c = Asc(Mid(Str, i, 1)) Xor Ev(i Mod 10) Xor Seed
Tmp = Hex(c)
r = r & Tmp & Space(4 - Len(Tmp))
Next
EncryptStr = r
End FunctionFunction DecryptStr(Str As String, Seed As Integer) As String
’解密
Dim i As Long
Dim l As Long
Dim r As String
Dim c As Integer
Dim Ev As Variant
Dim Tmp As String
r = ""
Ev = Array(98, 156, 67, 2, 67, 271, 195, 50, 251, 58, 85)
l = Len(Str)
For i = 1 To l Step 4
r = r & Chr(Val("&H" & Mid(Str, i, 4)) Xor Ev(((i + 3) \ 4) Mod 10) Xor Seed)
Next
DecryptStr = r
End Function