公开(公告)号：US20150095662A1

公开(公告)日：2015-04-02

申请号：US14042675

申请日：2013-09-30

Applicant: QUALCOMM Incorporated

Inventor： Ravindra R. Jejurikar ,  Ivan McLean

IPC: G06F21/78

CPC classification number: G06F21/78 ,  G06F12/14 ,  H04L9/08

Abstract: A method operational within a memory controller is provided for securing content stored in memory. The memory controller may allocate logical memory regions within a memory device to different domains. A different domain-specific key is obtained for each of the different domains, where each domain-specific key is a function of at least a master key and domain-specific information. During write operations, content/data is encrypted, at the memory controller, as it is written into each logical memory region using a domain-specific key corresponding to a domain providing the content and to which the logical memory region is allocated. Similarly, during read operations, content/data is decrypted, at the memory controller, as it is read from each memory region using a domain-specific key corresponding to a domain requesting the content and to which the logical memory region, where the content is stored, is allocated.

Abstract translation: 提供了在存储器控制器内操作的方法，用于保护存储在存储器中的内容。 存储器控制器可以将存储器设备内的逻辑存储器区域分配给不同的域。 为每个不同的域获得不同的域专用密钥，其中每个域特定密钥是至少一个主密钥和特定于域的信息的函数。 在写入操作期间，内容/数据在存储器控制器处被加密，因为它被使用与提供内容的域对应的域专用密钥写入每个逻辑存储器区域，逻辑存储器区域被分配给该存储器区域。 类似地，在读取操作期间，在存储器控制器处，使用对应于请求内容的域的域专用密钥从存储器控制器解密内容/数据，并且其中内容是 存储，被分配。

公开(公告)号：US09607177B2

公开(公告)日：2017-03-28

申请号：US14042675

申请日：2013-09-30

Applicant: QUALCOMM Incorporated

Inventor： Ravindra R. Jejurikar ,  Ivan McLean

IPC: G06F21/78 ,  H04L9/08 ,  G06F12/14

CPC classification number: G06F21/78 ,  G06F12/14 ,  H04L9/08

Abstract: A method operational within a memory controller is provided for securing content stored in memory. The memory controller may allocate logical memory regions within a memory device to different domains. A different domain-specific key is obtained for each of the different domains, where each domain-specific key is a function of at least a master key and domain-specific information. During write operations, content/data is encrypted, at the memory controller, as it is written into each logical memory region using a domain-specific key corresponding to a domain providing the content and to which the logical memory region is allocated. Similarly, during read operations, content/data is decrypted, at the memory controller, as it is read from each memory region using a domain-specific key corresponding to a domain requesting the content and to which the logical memory region, where the content is stored, is allocated.