A system (50) comprises a first operating environment (56) and a second operating environment (62). The first and second operating environments exchange information in encrypted form using a shared encryption key (K3). The first and second operating environments cooperate to change said encryption key K3 using another shared encryption key (K4). The encryption key K4 is changed upon the encryption key K3 being changed.
申请公布号
WO2008108819(A2)
申请公布日期
2008.09.12
申请号
WO2007US21075
申请日期
2007.09.27
申请人
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.;IBRAHIM, WAEL, MOHAMAD;WANG, LAN;RIOS, JENNIFER;ALI, VALIUDDIN, Y.;NOVOA, MANUEL
发明人
IBRAHIM, WAEL, MOHAMAD;WANG, LAN;RIOS, JENNIFER;ALI, VALIUDDIN, Y.;NOVOA, MANUEL