'異或加密 Function EnCrypt(strCryptThis) Dim strChar, iKeyChar, iStringChar, i for i = 1 to Len(strCryptThis) iKeyChar = Asc(mid(strFullKey,i,1)) iStringChar = Asc(mid(strCryptThis,i,1)) iCryptChar = iKeyChar Xor iStringChar strEncrypted = strEncrypted & Chr(iCryptChar) next EnCrypt = strEncrypted End Function
'異或解密 Function DeCrypt(strEncrypted) Dim strChar, iKeyChar, iStringChar, i for i = 1 to Len(strEncrypted) iKeyChar = (Asc(mid(strFullKey,i,1))) iStringChar = Asc(mid(strEncrypted,i,1)) iDeCryptChar = iKeyChar Xor iStringChar strDecrypted = strDecrypted & Chr(iDeCryptChar) next DeCrypt = strDecrypted End Function
'產生指定長度的隨機密鑰 Function KeyGen(strlength) Dim i,UB Dim Temp Dim Poss Poss = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" Temp = ""
UB = Len(Poss) For i = 1 To strlength Randomize Temp = Temp & Mid(Poss,Int((UB - 0 + 1) * Rnd + 1),1) Next KeyGen = Temp End Function %>
