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Information processing apparatus, controller, key issuing authority, revocation list validity determination method, and key issuance method
Information processing apparatus, controller, key issuing authority, revocation list validity determination method, and key issuance method
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机译:信息处理设备,控制器,密钥发布权限,吊销列表有效性确定方法和密钥发布方法
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摘要
A memory card 30 includes a storage unit 302 storing key information and version information in association with the key information, the key information and the version information being issued by a key issuing authority, and the version information indicating a version of the latest revocation list that has been issued when the key information is generated; a revocation list receiving unit 304 that receives a revocation list having a version; a version verification unit 308 operable to compare the version of the revocation list received by the revocation list receiving unit 304 and the version information; and a revocation list writing unit 309. When the version of the revocation list is older than version information, processing by the revocation list writing unit 309 is prohibited.
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