Mobile terminal, embedded SIM card, and embedded SIM card access method and device
An access method and access device technology, applied in security devices, electrical components, wireless communications, etc., can solve problems such as inability to access multiple configuration files at the same time, inability to support simultaneous access of multiple numbers, etc.
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[0024] refer to figure 1 , a structural schematic diagram of an existing embedded SIM card is given, and the embedded SIM card includes a hardware part and a software part. The hardware part of the embedded SIM card includes a processor, an encryption and decryption unit, etc., and usually exists in the form of a chip. The software part of the embedded SIM card runs on the hardware of the embedded SIM card, that is, when the hardware of the embedded SIM card is powered on, the software part of the embedded SIM card runs on it.
[0025] The software of the embedded SIM card includes an embedded SIM card operating system and a data security domain. The embedded SIM card operating system includes the most basic platform features and supports the features defined in the Global Platform Card Specification (GPCS). The data security domain includes the eUICC Certification Authorization Security Domain (eUICCCertificate Authority Security Domain, ECASD), certificate issuer root secu...
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