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    • 4. 发明申请
    • USING DATA STORED IN A DESTRUCTIVE-READ MEMORY
    • 使用存储在破坏性读取存储器中的数据
    • WO03023578A2
    • 2003-03-20
    • PCT/US0225307
    • 2002-08-08
    • INTEL CORP
    • GARNEY JOHN
    • G06F21/00G06F1/00
    • G06F21/79G06F2221/0773G06F2221/0797G06F2221/2143
    • A destructive-read memory is one that the process of reading the memory causes the contents of the memory to be destroyed. Such a memory may be used in devices that are intended to acquire data that may have associated usage restrictions, such as an expiration data, usage count limit, or data access fee for the acquired data. Typically, to enforce usage restrictions, and protect against theft, complex and often costly security techniques are applied to acquired data. With destructive-read memory, complex and constly security is not required for stored data. In one embodiment, a write-back mechanism, which may employ security, is responsible for enforcing usage restrictions. If the write-back mechanism determines continued access to acquired data is allowed, then it writes back the data as it is destructively read from memory.
    • 破坏性读取存储器是读取存储器的过程导致存储器的内容被破坏的存储器。 这样的存储器可以用于旨在获取可能具有相关联的使用限制的数据的设备,例如所获取的数据的到期数据,使用次数限制或数据访问费用。 通常,为了实施使用限制,并防止盗用,复杂且经常昂贵的安全技术应用于所获取的数据。 使用破坏性内存,存储数据不需要复杂且常规的安全性。 在一个实施例中,可采用安全性的回写机制负责执行使用限制。 如果回写机制确定对获取的数据的持续访问是允许的,则它将从内存中破坏性地读取数据。