SecureRandom漏锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷猓–VE-2013-7372锟斤拷

锟斤拷源锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷|锟斤拷时锟戒：2015-03-12 16:08:10 |锟斤拷锟侥讹拷锟斤拷137锟斤拷|锟斤拷锟斤拷签锟斤拷漏锟斤拷远锟教癸拷锟斤拷锟斤拷锟界安全锟斤拷 |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斤拷锟斤拷锟节凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞憋拷婊籋XXP为HTTP锟斤拷锟斤拷锟斤拷锟斤拷全锟叫撅拷锟斤拷锟窖碉拷锟斤拷锟斤拷锟斤拷锟斤拷愿锟�!

0锟斤拷00 漏锟斤拷锟斤拷锟斤拷

Android 4.4之前锟芥本锟斤拷Java锟斤拷锟杰架癸拷(JCA)锟斤拷使锟矫碉拷Apache Harmony 6.0M3锟斤拷锟斤拷之前锟芥本锟斤拷SecureRandom实锟街达拷锟节帮拷全漏锟斤拷锟斤拷锟斤拷锟斤拷位锟斤拷classlib/modules/security/src/main/java/common/org/apache/harmony/security/provider/crypto/SHA1PRNG_SecureRandomImpl.java锟侥硷拷锟斤拷engineNextBytes锟斤拷锟斤拷锟斤。锟斤拷锟矫伙拷没锟斤拷锟结供锟斤拷锟节诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺凤拷锟斤拷锟狡拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(PRNG)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷械墓锟斤拷炭杀锟皆わ拷狻Ｂ╋拷锟斤拷募锟斤拷渭锟斤拷暮锟斤拷锟斤拷锟�1锟斤拷

0锟斤拷01 漏锟斤拷影锟斤拷

2013锟斤拷8锟铰份的憋拷锟截憋拷应锟矫憋拷锟斤拷锟斤拷也锟斤拷锟斤拷锟铰╋拷锟斤拷锟截★拷锟斤拷锟截憋拷应锟斤拷锟斤拷使锟斤拷锟斤拷ECDSA锟姐法锟斤拷锟斤拷锟斤拷惴拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷签锟斤拷锟斤拷然锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷惴拷锟斤拷诒锟斤拷锟斤拷岬斤拷陌锟饺╋拷锟斤拷锟酵憋拷锟斤拷ECDSA锟姐法锟斤拷锟斤拷也锟斤拷漏锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷录锟街帮拷锟斤拷锟斤拷PlayStation 3 master key锟铰硷拷也锟斤拷锟斤拷锟矫碉拷锟斤拷锟斤拷惴╋拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷SecureRandom漏锟斤拷锟斤拷锟斤拷锟斤拷ECDSA锟姐法漏锟斤拷锟斤拷锟竭匡拷锟斤拷锟斤拷锟斤拷锟侥讹拷锟斤拷锟斤拷锟斤拷锟斤拷希锟�

ECDSA锟姐法锟斤拷细锟斤拷:

hxxp://en.wikipedia.org/wiki/Elliptic_Curve_Digital_Signature_Algorithm#Security

锟斤拷锟斤拷锟斤拷施锟斤拷

hxxp://tools.ietf.org/html/rfc6979

Google group锟较癸拷锟斤拷PlayStation 3 master key锟铰硷拷锟斤拷锟斤拷锟斤拷锟紼CDSA锟姐法漏锟斤拷锟斤拷取私钥锟斤拷锟斤拷锟斤拷:

hxxps://groups.google.com/forum/?fromgroups=#!topic/sci.crypt/3isJl28Slrw

0锟斤拷02 SecureRandom锟斤拷锟斤拷实锟斤拷

锟斤拷java锟斤，锟斤拷锟斤拷锟斤拷锟酵拷锟揭伙拷锟斤拷锟绞硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷傻摹锟斤拷锟斤拷锟絇RNG实锟斤拷锟斤拷锟斤拷锟绞癸拷锟斤拷锟酵拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞硷拷锟斤拷锟斤拷突锟矫碉拷锟斤拷同锟斤拷锟斤拷锟斤拷锟斤拷小锟絁ava Cryptography Architecture锟斤拷锟结供锟剿硷拷锟斤拷锟斤拷锟斤拷强锟饺革拷锟斤拷锟絇RNGs锟斤拷锟斤拷些PRNGs锟斤拷锟斤拷通锟斤拷SecureRandom锟接匡拷实锟街的★拷

java.security.SecureRandom锟斤拷锟斤拷啾撅拷锟斤拷锟矫伙拷锟绞碉拷锟轿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使锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞碉拷帧锟斤拷锟斤拷SecureRandom锟斤拷锟缴碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆★拷锟斤拷全锟皆猴拷锟斤拷锟斤拷取锟斤拷锟斤拷锟姐法锟斤拷锟斤拷源锟斤拷选锟斤拷

小锟斤拷锟狡硷拷锟侥讹拷