公开(公告)号：EP2751732B1

公开(公告)日：2018-12-12

申请号：EP12720656.3

申请日：2012-03-19

申请人： TOSHIBA MEMORY CORPORATION

发明人： KATO, Taku ,  MATSUSHITA, Tatsuyuki ,  NAGAI, Yuji ,  ZHAO, Fangming

IPC分类号： G06F21/00 ,  G06F21/44 ,  G06F21/73 ,  G06F21/42

CPC分类号： G06F21/44 ,  G06F21/42 ,  G06F21/73 ,  G06F2221/2103 ,  G06F2221/2129 ,  H04L9/0861 ,  H04L9/3242 ,  H04L2209/605

摘要： According to one embodiment, an authenticator which authenticates an authenticatee, which stores first key information (NKey) that is hidden, includes a memory configured to store second key information (HKey) which is hidden, a random number generation module configured to generate random number information, and a data generation module configured to generate a session key (SKey) by using the second key information (HKey) and the random number information. The authenticator is configured such that the second key information (HKey) is generated from the first key information (NKey) but the first key information (NKey) is not generated from the second key information (HKey).