【文件属性】：
文件名称：Public Class weixin
文件大小：23KB
文件格式：TXT
更新时间：2022-05-28 10:33:59
vb
Public Function CheckSignature() As Boolean
Dim signature As String = System.Web.HttpContext.Current.Request.QueryString("signature")
Dim timestamp As String = System.Web.HttpContext.Current.Request.QueryString("timestamp")
Dim nonce As String = System.Web.HttpContext.Current.Request.QueryString("nonce")
Dim ArrTmp() As String = {Token, timestamp, nonce}
Array.Sort(ArrTmp)
' WriteLog("signature" & ":" & signature)
' WriteLog("timestamp" & ":" & timestamp)
' WriteLog("nonce" & ":" & nonce)
Dim tmpStr As String = String.Join("", ArrTmp)
' WriteLog("tmpStr" & ":" & tmpStr)
'//是加密模式，开启以下代码 '
tmpStr = FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr, "SHA1")
tmpStr = tmpStr.ToLower
'WriteLog("tmpStr" & ":" & tmpStr)
'//
If tmpStr = signature Then
CheckSignature = True
WriteLog("CheckSignature" & ":" & "true")
Else
CheckSignature = False
WriteLog("CheckSignature" & ":" & "False")
End If