HR2000 BLA-08
HR2000 BLA-08HR2000 BLA-08對付它們就用第二種方法了,暴力破解: 同樣運(yùn)行串口監(jiān)控軟件,打開編程軟件聯(lián)機(jī),點(diǎn)程序讀取,再輸入密碼1234,如果讀出了程序,那就不用解了。如果顯示密碼錯誤,那就看看監(jiān)控軟件里的數(shù)據(jù).查找1234這個字符串,在含有1234的字符后會有一行PLC返回的表示密碼錯誤的信息,把這行錯誤信息記錄下來。然后打開VB,做個小工程:讓電腦發(fā)那行含有1234的字符串到串口,當(dāng)然,要有個循環(huán)語句,就是把1234改成從0000到FFFF,讓電腦不停的嘗試。用IF語句把返回的信息和剛才記錄下來的那條錯誤信息比較,如果信息不同則停止嘗試,試到的密碼就是PLC的密碼了。
【公 司】: 廈門泰尼電氣有限公司
【主 營】: AB、GE、施耐德等各類PLC產(chǎn)品
【價 格】: 電議
【發(fā)布人】: 張亮
【電 話】: 18030028083
【所在地】: 福建 - 廈門
【座 機(jī)】: 0592-6809819
【來 源】: 供應(yīng)信息 > 電工、電氣 > PLC
【Q Q】: 2314094943
看到這您是否已經(jīng)感覺到PLC加密技術(shù)也不過如此。海闊天空的感覺。恭喜你,說明你已經(jīng)領(lǐng)會了加密和解密的真理。具體的實(shí)現(xiàn)方法很多種。但領(lǐng)會真理是最重要也是最難的。俗話說:大道無術(shù),中到有形,小道若巧。呵呵,先說到這吧,一些細(xì)節(jié)一時半會也不能介紹的太清楚。大家自己動手多嘗試,多動腦,多領(lǐng)悟定有收獲。有什么疑問也可在論壇給我留言!
記住,我們掌握加解密技術(shù)只是為了更好的學(xué)習(xí),切勿用于其它非法用途哦。
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