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    • 3. 发明申请
    • METHOD AND SYSTEM FOR ENCRYPTION OF INFORMATION STORED IN AN EXTERNAL NONVOLATILE MEMORY
    • 用于加密存储在外部非易失性存储器中的信息的方法和系统
    • WO2008127408A2
    • 2008-10-23
    • PCT/US2007083763
    • 2007-11-06
    • MICRON TECHNOLOGY INCASNAASHARI MEHDI
    • ASNAASHARI MEHDI
    • G06F21/80G06F21/79
    • A nonvolatile storage system is described that includes a controller for transferring information between a host and nonvolatile memory. The controller includes an encryption/decryption engine for transferring information to and from a nonvolatile memory device, located externally to the controller, using a first key to encrypt information being stored into the nonvolatile memory device prior to storage thereof and further using the first key to decrypt the stored encrypted information after retrieval of thereof. Alternatively, a second key is used in conjunction with the first key to add further security to the information stored within the nonvolatile memory.
    • 描述了一种非易失性存储系统,其包括用于在主机和非易失性存储器之间传送信息的控制器。 该控制器包括一个加密/解密引擎,用于使用第一密钥在存储之前将存储在非易失性存储器件中的信息加密,并且进一步使用第一密钥将信息传送到来自位于控制器外部的非易失性存储器件的信息 在检索之后对存储的加密信息进行解密。 或者,第二密钥与第一密钥结合使用,以便为存储在非易失性存储器中的信息增加进一步的安全性。
    • 6. 发明申请
    • MEMORY BLOCK MANAGEMENT
    • 存储器块管理
    • WO2010101609A3
    • 2010-11-25
    • PCT/US2010000540
    • 2010-02-24
    • MICRON TECHNOLOGY INCASNAASHARI MEHDICHEN ALANNEMAZIE SIAMACK
    • ASNAASHARI MEHDICHEN ALANNEMAZIE SIAMACK
    • G06F12/02G06F12/06G06F12/08
    • G06F12/0246G06F2212/7202G06F2212/7209G11C29/76
    • Various embodiments include one or more memory devices having at least two planes of physical blocks organized into super blocks, with each super block including a physical block from each of the at least two planes. Embodiments include determining defective blocks within the planes. If none of the blocks at a particular block position are determined to be defective, embodiments include assigning the blocks at the particular block position to a super block, and if one or more of the blocks at a particular block position are determined to be defective, embodiments include: assigning the blocks at the particular block position determined to be defective to a super block; and assigning a respective replacement block to the super block for each of the one or more blocks at the particular block position determined to be defective. The respective replacement block is selected from a number of blocks within a respective one of the planes that includes the respective block determined to be defective.
    • 各种实施例包括一个或多个具有被组织成超级块的物理块的至少两个平面的存储器设备,每个超级块包括来自至少两个平面中的每一个的物理块。 实施例包括确定平面内的缺陷块。 如果确定特定块位置处的块都不存在缺陷,则实施例包括将特定块位置处的块分配给超级块,并且如果特定块位置处的一个或多个块被确定为有缺陷, 实施例包括:将被确定为有缺陷的特定块位置处的块分配给超级块; 以及针对被确定为有缺陷的特定块位置处的一个或多个块中的每一个块,将相应的替换块分配给超块。 相应的替换块从包括被确定为有缺陷的相应块的相应的一个平面内的多个块中选择。