External data security memory architecture based on system on chip (SoC) and access control method
A technology for external data and secure access, applied in digital data protection, electrical digital data processing, computer security devices, etc.
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[0035] Embodiment: The present invention discloses a secure storage architecture and access control method for external data based on SoC chips. The method includes a hardware platform for storage management architecture, a secure static access control method for external data storage, and a secure dynamic access control method. Three basic parts of the realization mechanism. The memory management architecture referred to in the present invention is a chip based on the MCS-52 series of Harvard memory architecture. SoC chips of this type of structure are widely used in the field of smart cards and have extremely wide applications in my country, such as bank IC cards and social security cards , SIM card, citizen card, ID card and other chips.
[0036] 1. External data storage security access control architecture
[0037] External data storage security access control architecture such as figure 1 Shown. It is composed of internal buffer memory RAM, external data storage area security...
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