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SSL锟斤拷锟斤拷锟斤拷细说锟斤拷
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Secure socket layer(SSL)协锟斤拷锟斤拷锟斤拷锟�Netscape锟斤拷业锟斤拷展锟斤拷锟斤拷锟窖筹拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷站
锟斤拷锟斤拷页锟斤拷锟斤拷锟斤拷锟捷ｏ拷锟皆硷拷锟斤拷锟斤拷锟斤拷锟绞癸拷锟斤拷呒锟斤拷锟揭筹拷锟斤拷锟斤拷锟街拷锟斤拷锟叫硷拷锟斤拷通讯锟斤拷全锟津化憋拷准 锟斤拷锟斤拷锟斤拷SSL锟斤拷锟斤拷锟窖斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟絎EB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫ｏ拷锟斤拷耍锟斤拷锟斤拷璋沧帮拷锟斤拷锟街わ拷椋拷锟斤拷锟斤拷锟斤拷证锟斤拷涂锟斤拷约锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿★拷锟斤拷锟斤拷Web锟斤拷息锟斤拷锟斤拷通锟斤拷锟侥伙拷锟斤拷锟皆硷拷锟斤拷锟斤拷锟皆ｏ拷SSL锟斤拷锟斤拷训慕锟斤拷锟斤拷锟斤拷锟斤拷目前锟斤拷锟叫碉拷锟斤拷锟斤拷锟斤拷锟�Web锟斤拷锟斤拷锟斤拷锟斤拷支锟斤拷SSL锟斤拷锟斤拷锟斤拷SSL锟节硷拷锟斤拷锟斤拷锟窖撅拷锟杰筹拷锟届，锟斤拷锟斤拷锟斤拷锟侥帮拷全锟斤拷锟斤拷锟斤拷锟捷硷拷锟斤拷锟斤拷锟斤拷锟斤拷SSL通锟斤拷锟斤拷锟斤拷摹锟�
锟斤拷锟斤拷SSL锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷签锟斤拷锟斤拷锟斤拷锟斤拷证锟绞硷拷锟侥帮拷全锟皆ｏ拷为锟斤拷锟斤拷锟斤拷锟斤拷业锟矫伙拷锟斤拷锟斤拷锟斤拷业锟斤拷锟杰碉拷锟斤拷锟斤拷
锟斤拷锟结供锟斤拷锟斤拷锟斤拷锟绞硷拷锟斤拷锟杰猴拷锟斤拷证锟斤拷锟杰ｏ拷锟斤拷锟斤拷SSL锟斤拷锟斤拷锟斤拷锟绞硷拷锟侥存储锟酵达拷锟斤拷实施锟斤拷锟杰ｏ拷锟斤拷证锟绞硷拷锟斤拷锟斤拷锟斤拷取锟酵篡改ｏ拷锟斤拷锟斤拷锟结供锟斤拷锟斤拷签锟斤拷锟斤拷锟斤拷锟斤拷锟皆憋拷证锟绞硷拷锟斤拷锟斤拷实锟皆★拷系统锟结供锟剿达拷锟斤拷通锟斤拷锟斤拷锟斤拷锟杰硷拷锟饺讹拷锟街憋拷锟杰等硷拷锟斤拷锟斤拷锟斤拷锟姐不同锟斤拷锟斤拷锟铰的憋拷锟斤拷锟斤拷锟斤拷SSL协锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷通锟脚憋拷准锟斤拷锟斤拷锟斤拷锟结供锟斤拷锟斤拷应锟斤拷之锟斤拷通锟脚的憋拷锟杰ｏ拷锟斤拷锟脚猴拷锟斤拷锟斤拷锟街わ拷锟�SSL锟斤拷锟斤拷一锟斤拷锟斤拷霉锟斤拷锟斤拷锟皆匡拷锟斤拷锟斤拷锟斤拷芄锟斤拷峁╋拷锟斤拷锟较拷锟斤拷芊锟斤拷锟斤拷锟较拷锟斤拷锟斤拷苑锟斤拷锟斤拷嗷ワ拷锟街わ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟芥，锟斤拷锟角斤拷锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟截放癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷毓锟斤拷锟斤拷锟斤拷约锟斤拷屑锟斤拷斯锟斤拷锟斤拷锟斤拷锟斤拷殖锟斤拷锟斤拷陌锟饺拷锟斤拷锟斤拷锟斤拷郑锟斤拷锟斤拷锟斤拷锟斤拷锟�SSL锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
- 通锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟侥癸拷锟斤拷失锟杰ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷专锟揭伙拷转锟斤拷使锟矫革拷锟斤拷锟接的癸拷锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟街憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角讹拷锟解攻锟斤拷锟斤拷锟斤拷锟街碉拷锟揭伙拷帷Ｍ拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥匡拷锟斤拷锟斤拷冢锟酵拷锟斤拷锟斤拷锟斤拷锟轿达拷锟斤拷艿锟斤拷锟斤拷锟斤拷裕锟斤拷曰锟斤拷锟杰憋拷锟斤拷锟结话锟侥伙拷锟斤拷锟斤拷息锟斤拷锟斤拷锟界，通锟斤拷锟斤拷锟轿达拷锟斤拷艿锟皆达拷锟侥匡拷锟斤拷IP锟斤拷址锟斤拷锟斤拷锟斤拷TCP锟剿口号ｏ拷锟斤拷锟斤拷锟竭硷拷锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷锟揭伙拷锟酵拷锟斤拷锟斤拷锟斤拷锟阶拷铱锟斤拷锟饺凤拷锟酵拷鸥锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷荩锟绞癸拷玫姆锟斤拷锟斤拷锟斤拷停锟斤拷锟绞憋拷锟斤拷锟斤拷锟斤拷锟斤拷曰锟斤拷锟叫癸拷锟斤拷业锟斤拷锟斤拷锟斤拷锟较碉拷锟斤拷锟较拷锟绞碉拷锟斤拷希锟斤拷没锟斤拷锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫诧拷锟斤拷锟斤拷说锟斤拷锟睫猴拷锟侥ｏ拷锟斤拷锟�SSL锟斤拷锟斤拷锟斤拷图锟斤拷止锟斤拷锟街癸拷锟斤拷锟斤拷锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟街匡拷锟叫碉拷锟斤拷品锟斤拷锟斤拷锟�
然锟斤拷锟斤拷SSL锟斤拷系锟结构锟叫ｏ拷通锟斤拷锟斤拷锟斤拷锟斤拷锟皆伙拷锟斤拷锟揭恍╋拷锟斤拷锟斤拷锟斤拷胁锟斤拷Bennet
Yee锟窖撅拷指锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷牡某锟斤拷然岜┞讹拷锟斤拷泄锟�SSL锟斤拷SSL锟斤拷锟杰碉拷锟斤拷站通锟斤拷锟斤拷锟矫碉拷锟斤拷URL锟斤拷锟斤拷锟斤拷锟较拷锟�Yee96锟斤拷锟斤拷锟斤拷一锟斤拷Web锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷艽锟斤拷洌拷锟�SSL锟斤拷锟斤拷锟接碉拷一台Web锟斤拷锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷URL锟斤拷息锟斤拷GET锟斤拷锟斤拷锟斤拷约锟斤拷芊锟绞斤拷锟斤拷写锟斤拷洹ｏ拷细锟斤拷锟剿碉拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷一锟斤拷页锟芥，锟斤拷锟斤拷锟斤拷息锟角憋拷锟杰的★拷锟斤拷锟斤拷然锟斤拷锟斤拷锟斤拷URL锟斤拷锟斤拷锟街讹拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟秸撅拷锟斤拷锟斤拷锟剿碉拷锟斤拷锟斤拷丫锟斤拷愎伙拷恕锟斤拷锟斤拷锟斤拷遥锟酵拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷曰锟斤拷Web锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟较拷锟斤拷锟斤拷锟斤拷URL锟斤拷锟饺ｏ拷锟皆硷拷锟斤拷Web锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟截碉拷html锟斤拷锟捷的筹拷锟饺★拷锟斤拷锟铰╋拷锟斤拷锟斤拷锟绞癸拷锟斤拷锟斤拷锟斤拷锟斤拷芄锟斤拷锟斤拷锟斤拷没锟斤拷锟斤拷锟斤拷锟斤拷锟叫�Web页锟芥。
锟斤拷锟斤拷锟斤拷锟斤拷之锟斤拷锟皆筹拷锟街ｏ拷锟斤拷锟斤拷为锟斤拷锟侥筹拷锟饺憋拷露锟斤拷锟斤拷锟侥的筹拷锟饺★拷SSL锟节匡拷锟斤拷锟侥Ｊ斤拷锟街э拷锟斤拷锟斤拷锟斤拷洌拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥Ｊ斤拷锟饺达拷锟街э拷帧锟斤拷锟斤拷锟斤拷锟斤拷牛锟斤拷锟斤拷锟斤拷锟斤拷械募锟斤拷锟侥Ｊ斤拷锟�SSL锟斤拷锟斤拷锟斤拷锟斤拷小锟教讹拷锟斤拷支锟斤拷锟斤拷锟解长锟斤拷锟斤拷锟斤拷使锟矫ｏ拷锟斤拷锟揭伙拷锟斤拷细锟截匡拷锟斤拷锟斤拷锟斤拷锟截讹拷应锟矫筹拷锟斤拷锟叫碉拷锟斤拷锟斤拷
- 锟斤拷锟斤拷锟斤拷锟斤拷
SSL锟杰碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆帮拷全锟截憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟捷ｏ拷锟斤拷一锟斤拷浅锟斤拷锟揭拷锟斤拷锟饺伙拷锟斤拷锟绞癸拷玫募锟斤拷锟斤拷惴ㄓ︼拷锟斤拷诒锟窖★拷锟斤拷锟斤拷抹M锟斤拷选锟斤拷锟斤拷锟侥癸拷锟斤拷锟斤拷锟角帮拷全锟侥ｏ拷锟斤拷锟斤拷锟斤拷诩锟斤拷锟斤拷惴拷锟剿碉拷锟斤拷锟斤拷锟斤拷锟�IETF锟斤拷IPSEC锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫撅拷锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷使锟矫碉拷锟斤拷锟斤拷强锟斤拷锟姐够锟斤拷锟节硷拷录锟斤拷锟较撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟杰达拷锟斤拷系统锟侥憋拷锟斤拷锟皆★拷SSL
3.0 锟侥硷拷录锟斤拷锟杰碉拷锟斤拷锟斤拷些强锟斤拷锟斤拷锟侥癸拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷为锟斤拷锟斤拷些锟斤拷锟斤拷锟结被锟斤拷止锟斤拷值锟斤拷锟斤拷锟斤拷锟斤拷锟桔★拷
IPSEC锟叫碉拷一锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷Bellovin锟侥硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷帽锟斤拷锟斤拷裕锟斤拷锟斤拷锟斤拷锟接斤拷锟叫硷拷锟斤拷锟角诧拷锟斤拷锟侥★拷锟斤拷锟斤拷锟秸讹拷也锟斤拷锟斤拷锟街癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷斜锟叫孤讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷墓锟斤拷锟斤拷锟绞斤拷锟斤拷锟侥憋拷锟斤拷锟秸端碉拷锟斤拷锟轿ｏ拷使之锟斤拷锟斤拷锟斤拷锟斤拷锟捷斤拷锟叫斤拷锟杰诧拷锟斤拷锟斤拷些锟斤拷锟斤拷泄露锟斤拷锟斤拷锟角★拷
SSL 3.0锟杰癸拷锟斤拷止锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷止锟斤拷锟街癸拷锟斤拷锟斤拷一锟街局诧拷锟皆凤拷锟斤拷锟斤拷锟斤拷锟斤拷为每一锟斤拷锟斤拷同锟斤拷锟斤拷锟斤拷锟斤拷使锟矫讹拷锟斤拷锟侥会话锟斤拷钥锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节诧拷同锟斤拷锟斤拷锟斤拷之锟戒，锟皆硷拷锟斤拷锟接的诧拷同锟斤拷锟斤拷之锟斤拷锟斤拷止锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷SSL锟窖撅拷为每锟斤拷锟斤拷锟接凤拷锟斤拷使锟斤拷锟剿讹拷锟斤拷锟斤拷锟斤拷钥锟斤拷锟斤拷锟角ｏ拷锟斤拷锟街伙拷锟斤拷锟睫凤拷锟斤拷止锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟较的硷拷锟斤拷锟斤拷锟斤拷锟斤拷应锟斤拷锟斤拷惴猴拷姆锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷屑锟斤拷馨锟斤拷锟绞癸拷锟角匡拷锟斤拷锟斤拷证锟斤拷锟狡ｏ拷锟斤拷锟斤拷止锟叫凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟捷碉拷锟睫改★拷SSL锟斤拷录锟斤拷确实锟斤拷锟斤拷锟斤拷锟斤拷锟街凤拷锟斤拷锟斤拷锟皆ｏ拷锟斤拷思锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺拷锟街棺★拷恕锟�
锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角短块攻锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟絀PSEC锟斤拷锟斤拷锟街癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥憋拷锟侥匡拷锟斤拷锟揭伙拷锟揭伙拷纸诔锟斤拷锟斤拷锟斤拷牟锟斤拷冶锟斤拷目锟绞ｏ拷嗖匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�SSL锟较诧拷没锟斤拷锟斤拷锟皆的短块攻锟斤拷锟斤拷SSL锟斤拷录锟斤拷锟绞斤拷锟斤拷锟角帮拷锟�IPSEC锟斤拷式锟洁当锟斤拷锟狡ｏ拷锟斤拷锟街革拷式锟斤拷锟斤拷锟解到锟斤拷锟斤拷锟斤拷锟斤拷丝锟斤拷锟斤拷锟斤拷锟斤拷薷锟斤拷怨锟斤拷锟斤拷锟斤拷SSL锟斤拷锟斤拷锟斤拷胁锟斤拷锟斤拷锟角ｏ拷锟斤拷锟斤拷锟斤拷危锟斤拷杀锟阶�SSL锟斤拷锟杰碉拷Web锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟较诧拷锟斤拷锟杰碉拷锟教块攻锟斤拷锟斤拷锟斤拷胁锟斤拷锟斤拷为锟斤拷些锟斤拷锟斤拷锟斤拷锟斤拷锟结经锟斤拷锟皆短匡拷锟斤拷屑锟斤拷堋锟斤拷锟斤拷锟揭拷猓拷锟�SSL锟斤拷锟杰碉拷telnet锟酵伙拷锟剿憋拷锟斤拷玫锟斤拷锟斤拷锟侥憋拷锟斤拷锟斤拷锟皆凤拷止锟教块攻锟斤拷锟斤拷锟斤拷为每一锟轿帮拷锟斤拷锟节达拷锟斤拷时锟斤拷锟斤拷一锟街节筹拷锟斤拷锟斤拷锟捷帮拷锟斤拷锟斤拷
- 锟截放癸拷锟斤拷
锟解靠使锟矫憋拷锟侥硷拷锟斤拷锟诫（MAC锟斤拷锟斤拷锟杰凤拷止锟皆凤拷锟截革拷锟斤拷锟酵癸拷时锟斤拷锟斤拷息锟斤拷锟斤拷SSL通锟斤拷锟斤拷锟斤拷锟斤拷MAC锟斤拷锟斤拷锟斤拷锟叫硷拷锟斤拷锟斤拷锟截碉拷锟斤拷锟叫号ｏ拷锟斤拷锟斤拷止锟截放癸拷锟斤拷锟斤拷锟斤拷锟街伙拷锟斤拷也锟斤拷锟皆凤拷止锟斤拷锟斤拷锟斤拷模锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥ｏ拷锟斤拷锟斤拷锟角憋拷删锟斤拷锟斤拷锟捷的革拷锟脚★拷锟斤拷锟叫号的筹拷锟斤拷锟斤拷64bit锟斤拷锟斤拷舜锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟解。锟斤拷锟解，锟斤拷锟叫猴拷锟斤拷每锟斤拷锟斤拷锟接凤拷锟斤拷直锟轿拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫恳伙拷锟斤拷碌锟斤拷锟皆匡拷锟斤拷锟绞憋拷锟斤拷懈锟斤拷拢锟斤拷锟斤拷圆锟斤拷锟斤拷锟斤拷锟斤拷缘锟斤拷锟斤拷恪�
- 锟斤拷锟斤拷锟斤拷毓锟斤拷锟斤拷锟斤拷锟�CipherSuite
Rollback attack锟斤拷
SSL 2.0锟斤拷钥锟斤拷锟斤拷协锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟截碉拷缺锟捷ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟杰癸拷锟节帮拷锟斤拷锟斤拷锟斤拷使一锟斤拷锟斤拷庭锟矫伙拷使锟矫癸拷锟杰憋拷锟斤拷锟斤拷锟侥筹拷锟节硷拷锟斤拷锟姐法锟斤拷锟斤拷使通锟斤拷双锟斤拷锟斤拷支锟街诧拷锟斤拷选锟剿较高等硷拷锟斤拷锟姐法锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿碉拷锟斤拷锟斤拷锟斤拷锟截癸拷锟斤拷锟斤拷锟斤拷CipherSuite
Rollback attack锟斤拷锟斤拷锟斤拷通锟斤拷锟洁辑锟斤拷hello锟斤拷锟斤拷锟叫凤拷锟酵碉拷锟斤拷支锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷斜锟斤拷锟斤拷锏斤拷锟斤拷锟斤拷目锟侥★拷SSL
3.0 锟斤拷锟斤拷锟斤拷锟斤拷锟饺憋拷荩锟斤拷锟绞癸拷锟揭伙拷锟�master_secret锟斤拷锟斤拷锟斤拷锟叫碉拷锟斤拷锟斤拷协锟介报锟侥斤拷锟叫硷拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷纸锟斤拷锟绞憋拷锟斤拷锟斤拷蟹锟斤拷锟斤拷锟斤拷锟斤拷锟轿拷锟斤拷锟斤拷锟叫憋拷要锟斤拷锟斤拷锟缴斤拷锟斤拷锟结话锟斤拷
锟斤拷锟脚ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷细锟斤拷锟斤拷一锟斤拷SSL 3.0锟叫凤拷止锟睫革拷锟斤拷锟斤拷协锟介报锟侥的伙拷锟狡★拷锟斤拷锟斤拷前SSL锟斤拷锟斤拷协锟斤拷锟叫ｏ拷锟叫硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟姐，锟斤拷锟角斤拷锟斤拷锟轿斤拷锟叫斤拷锟杰★拷
锟斤拷锟叫筹拷始锟斤拷锟斤拷锟斤拷协锟介报锟斤拷锟节达拷锟斤拷时锟斤拷锟斤拷未锟斤拷锟斤拷锟侥ｏ拷锟斤拷时锟斤拷钥锟斤拷锟斤拷协锟斤拷峤拷锟角帮拷峄白刺拷锟轿达拷锟斤拷幕峄白刺拷锟斤拷锟斤拷锟斤拷锟斤拷薷牡锟角笆癸拷锟斤拷械母锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫拷锟斤拷锟斤拷之锟斤拷通锟脚碉拷每一锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟教的革拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥ｏ拷change
cipher spec message锟斤拷锟斤拷锟矫憋拷锟侥斤拷锟斤拷锟角撅拷锟斤拷苑锟斤拷锟斤拷锟角白刺拷锟斤拷锟轿达拷锟斤拷幕峄白刺拷锟斤拷锟饺�change_cipher_spec锟斤拷锟斤拷未锟杰憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟铰的会话状态锟斤拷锟角斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷为锟斤拷始锟斤拷锟斤拷锟斤拷锟斤拷change_cipher_spec锟斤拷锟斤拷之锟斤拷锟斤拷墙锟斤拷锟斤拷锟�finished锟斤拷锟斤拷锟侥ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟侥硷拷锟斤拷锟诫（MAC锟斤拷锟斤拷锟斤拷MAC锟缴憋拷master_secret锟斤拷锟杰癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷协锟介报锟侥硷拷锟斤拷贸锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥非帮拷全锟斤拷锟斤拷锟截ｏ拷change_cipher_spec锟斤拷锟侥猴拷alert锟斤拷锟斤拷锟斤拷finished锟斤拷锟斤拷锟斤拷没锟叫斤拷锟叫硷拷锟金。ｏ拷48锟街节筹拷锟斤拷master_secret锟斤拷未锟斤拷泄露锟斤拷去锟斤拷锟斤拷锟揭会话锟斤拷钥锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷捅锟街わ拷思锟绞癸拷峄帮拷锟皆匡拷锟斤拷私鼗锟�master_secret锟皆可帮拷然锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷协锟介报锟斤拷锟杰癸拷锟斤拷全锟侥得碉拷锟斤拷锟斤拷Finished锟斤拷锟斤拷使锟斤拷锟铰斤拷锟斤拷锟斤拷锟斤拷锟介（ciphersuite锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷斜锟斤拷锟斤拷锟酵拷鸥锟斤拷锟街伙拷锟斤拷锟斤拷盏锟斤拷苑锟斤拷锟�finished锟斤拷锟侥诧拷锟斤拷锟斤拷锟斤拷泻锟绞碉拷螅呕锟斤拷锟斤拷应锟矫诧拷锟斤拷锟斤拷荨锟�
- 锟叫硷拷锟剿癸拷锟斤拷锟斤拷man_in_the_middle
attack锟斤拷
SSL 3.0锟叫帮拷锟斤拷锟剿讹拷Diffie-Hellman锟斤拷钥锟斤拷锟斤拷锟斤拷锟叫讹拷锟捷硷拷锟杰碉拷支锟街★拷Diffie-Hellman锟斤拷一锟街癸拷锟斤拷锟斤拷钥锟姐法锟斤拷锟斤拷锟斤拷锟斤拷效锟斤拷锟结供锟斤拷锟狡的憋拷锟杰癸拷锟杰ｏ拷锟斤拷锟斤拷SSL锟斤拷说锟斤拷一锟斤拷锟斤拷锟斤拷牟锟斤拷洹ｏ拷锟�SSL
3.0 Diffie-Hellman锟斤拷钥锟斤拷锟斤拷系统锟叫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷模锟斤拷锟斤拷原始锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟皆硷拷Diffie-Hellman锟斤拷指锟斤拷锟斤拷为锟剿凤拷止锟斤拷锟斤拷锟斤拷锟剿诧拷锟斤拷锟斤拷锟斤拷锟脚ｏ拷锟酵伙拷锟斤拷应锟矫讹拷模锟斤拷锟斤拷原始锟斤拷锟斤拷锟斤拷锟斤拷细锟侥硷拷椋拷锟斤拷锟斤拷锟斤拷欠锟轿拷潭锟斤拷锟斤拷锟斤拷斜锟斤拷系目煽锟斤拷锟街碉拷锟斤拷锟�SSL
3.0锟叫ｏ拷通锟斤拷锟皆凤拷锟斤拷锟斤拷锟剿碉拷Diffie-Hellman指锟斤拷锟侥硷拷锟金，匡拷锟皆碉拷锟斤拷锟斤拷锟斤拷锟斤拷知锟斤拷锟叫硷拷锟剿ｏ拷man-in-the-middle锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵伙拷锟斤拷锟斤拷拥锟斤拷证锟介。锟斤拷锟斤拷锟解，锟斤拷SSL
3.0锟叫诧拷锟斤拷支锟街撅拷锟叫较革拷锟斤拷锟杰碉拷Diffie-Hellman锟斤拷锟斤拷锟斤拷锟斤拷锟叫★拷锟街革拷锟斤拷锟斤拷锟斤拷锟�160bit锟斤拷锟斤拷锟斤拷圆锟斤拷锟竭憋拷锟斤拷锟斤拷
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