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Before performing an SSL data transfer, Both sides of the communication must first shake hands with SSL, The encryption algorithm has been negotiated to exchange the encryption key, Perform identity authentication, Normally, This SSl handshake process only needs to be performed once, But there is a Regegotiation option in the SSL protocol, It allows renegotiation of the secret key to create a new key, The attacker repeatedly carries out the key renegotiation process, and the key renegotiation process requires the server to invest 15 times more CPU computing resources than the client. In addition, even if the server does not support Renegotiation, the attacker can still create similar attack effects by opening a new SSL connection separately.之后项羽潇洒地带着大军返回彭城，衣锦还乡。杨宜乐呵呵逃走。他纵身跃起，希望避开刺客的长剑。2017-07-22 15:41:20抬头向王座上的汉王刘邦看去，只见他的脸色陡然间阴沉了许多，多了几分森森寒意。日本最大的资产家、同时也是政经界背地里的实权人物"金钱之神"在全无量将一群年轻人秘密聚集到正在建设中的"梦幻王国"游乐园中，让他们赌上1000亿日元的奖金，挑战一场考验智力、体力、时运的特别游戏。获胜即可获得1000亿日元。为了能一下子逆转人生而投身到"亡命游戏"的年轻人们相互帮助，分享欢乐，逐渐建立起真正的友情。有时是关键时刻的心理战，有时则是不得不淘汰伙伴的惨烈生存游戏。参加游戏的主人公宇海零，是小镇上升学辅导学校中的非正式中学教师。而其真正身份实则是在现代社会中拯救弱者们脱离苦难的"义贼"，也就是藏身暗中的匿名英雄。这位看似穷困潦倒，比起自己胜利更想要帮助别人获胜的天才赌徒，即将大展身手。