DATA PROCESSING METHOD, PROGRAM THEREOF, AND DEVICE THEREOF
摘要
<p>By using inter-authentication key data correlated to a process allowed for a user card (73) among processes relating to SAM units (9a, 9b), degenerate key data is generated from which it is difficult to restore the inter-authentication key data. The degenerate key data and the key specification data specifying the inter-authentication key data used for its generation are written onto the user card (73).</p>
申请公布号
WO2004028080(A1)
申请公布日期
2004.04.01
申请号
WO2003JP11803
申请日期
2003.09.17
申请人
SONY CORPORATION;OMORI, KAZUO;HONJO, AKIRA;SUEYOSHI, MASAHIRO;HANAKI, NAOFUMI;TATENO, KEI
