Private Sub Comman1_Click() 
Dim str1, str2, str3 As String 
str1 = "王宇虹" 
str2 = Encrypt(str1, 188, 24) 
MsgBox str2 
str3 = Encrypt(str2, 188, 24) 
MsgBox str3 
End Sub  
Private Function Encrypt(ByVal strSource As String, ByVal Key1 As Byte, _ 
ByVal Key2 As Integer) As String 
Dim bLowData As Byte 
Dim bHigData As Byte 
Dim i As Integer 
Dim strEncrypt As String 
Dim strChar As String 
For i = 1 To Len(strSource) 
'从待加(解)密字符串中取出一个字符
strChar = Mid(strSource, i, 1)
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