三星的nandflash里面有个唯一的版权保护ID,怎么可以读取到吗

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 楼主| minmindede 发表于 2007-6-27 17:11 | 显示全部楼层 |阅读模式
Unique&nbsp;ID&nbsp;for&nbsp;Copyright&nbsp;Protection;<br /><br />在datasheet里面有上面这个话,我们想用作硬件id码用。不知道那位知道。&nbsp;上网找半天也没有什么资料!<br />toshiba有下面的一段话<br /><br />Product&nbsp;Features&nbsp;<br /><br />--&nbsp;A&nbsp;unique,&nbsp;permanent&nbsp;identification&nbsp;number&nbsp;is&nbsp;stored&nbsp;on&nbsp;each&nbsp;memory&nbsp;chip.&nbsp;<br /><br />--&nbsp;The&nbsp;identification&nbsp;number&nbsp;is&nbsp;recorded&nbsp;on&nbsp;the&nbsp;NAND&nbsp;as&nbsp;one-time&nbsp;programmable&nbsp;data&nbsp;that&nbsp;is&nbsp;tamper&nbsp;proof,&nbsp;and&nbsp;cannot&nbsp;be&nbsp;rewritten&nbsp;or&nbsp;altered&nbsp;after&nbsp;shipment.&nbsp;<br /><br />--&nbsp;The&nbsp;identification&nbsp;number&nbsp;is&nbsp;recorded&nbsp;on&nbsp;a&nbsp;128-bit&nbsp;basis,&nbsp;bit&nbsp;expansion&nbsp;is&nbsp;also&nbsp;provided.&nbsp;<br /><br />--&nbsp;A&nbsp;special&nbsp;command,&nbsp;not&nbsp;in&nbsp;the&nbsp;public&nbsp;domain,&nbsp;is&nbsp;necessary&nbsp;to&nbsp;read&nbsp;the&nbsp;number.&nbsp;<br /><br />--&nbsp;Development&nbsp;of&nbsp;a&nbsp;copyright&nbsp;protection&nbsp;system&nbsp;requires&nbsp;an&nbsp;architecture&nbsp;that&nbsp;supports&nbsp;the&nbsp;entire&nbsp;system,&nbsp;including&nbsp;use&nbsp;of&nbsp;an&nbsp;encryption&nbsp;key&nbsp;in&nbsp;combination&nbsp;with&nbsp;the&nbsp;ID&nbsp;number.&nbsp;<br /><br />Copyright&nbsp;Protection&nbsp;Information&nbsp;<br /><br />Progress&nbsp;in&nbsp;semiconductor&nbsp;technology,&nbsp;modem&nbsp;performance&nbsp;and&nbsp;other&nbsp;areas&nbsp;has&nbsp;reached&nbsp;a&nbsp;point&nbsp;where&nbsp;downloading&nbsp;CD-quality&nbsp;music&nbsp;from&nbsp;Web&nbsp;sites&nbsp;is&nbsp;set&nbsp;to&nbsp;become&nbsp;a&nbsp;high-growth&nbsp;market.&nbsp;Achieving&nbsp;the&nbsp;full&nbsp;potential&nbsp;of&nbsp;Internet&nbsp;delivery&nbsp;requires&nbsp;copyright&nbsp;protection,&nbsp;which&nbsp;Toshiba&nbsp;is&nbsp;supporting&nbsp;with&nbsp;the&nbsp;new&nbsp;copyright&nbsp;protection&nbsp;identification&nbsp;number&nbsp;feature&nbsp;on&nbsp;its&nbsp;NAND&nbsp;Flash&nbsp;EEPROMs.&nbsp;<br /><br />Toshiba's&nbsp;NAND&nbsp;Flash&nbsp;memory&nbsp;solutions&nbsp;are&nbsp;quickly&nbsp;becoming&nbsp;the&nbsp;file-storage&nbsp;device&nbsp;of&nbsp;choice&nbsp;for&nbsp;the&nbsp;digital&nbsp;age.&nbsp;Current&nbsp;applications&nbsp;range&nbsp;from&nbsp;digital&nbsp;cameras&nbsp;to&nbsp;semiconductor&nbsp;disks,&nbsp;while&nbsp;NANDs&nbsp;versatility&nbsp;and&nbsp;cost-performance&nbsp;position&nbsp;makes&nbsp;it&nbsp;the&nbsp;ideal&nbsp;memory&nbsp;for&nbsp;electronic&nbsp;books&nbsp;and&nbsp;digital&nbsp;music&nbsp;players&nbsp;(MP3).&nbsp;Toshiba&nbsp;continues&nbsp;to&nbsp;develop&nbsp;NAND&nbsp;to&nbsp;meet&nbsp;the&nbsp;high&nbsp;data&nbsp;capacities&nbsp;required&nbsp;by&nbsp;these&nbsp;emerging&nbsp;applications.&nbsp;<br /><br /><br />这个id应该是在出厂的时候就有了的,而且是写在一次性编程的块里面,不能再次写了。&nbsp;要用special&nbsp;command&nbsp;才能读出来,
 楼主| minmindede 发表于 2007-6-27 17:12 | 显示全部楼层

三星的datasheet里面没有提供这个command。

  
 楼主| minmindede 发表于 2007-6-28 08:43 | 显示全部楼层

看来大家没有用过。 我想用来加密程序,应该很好用

  
tpu 发表于 2007-6-28 10:03 | 显示全部楼层

我也没找到这个命令

召唤用过的高人!
 楼主| minmindede 发表于 2007-7-2 08:45 | 显示全部楼层

我现在用SST39VF1601里面的随机码,128bit 长度,应该也可以

  
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