Shulou(Shulou.com)06/01 Report--

Business processes:

1 the user starts the Internet Bank APP

2 enter transaction information

3 APP calls NDK interface ClientAPI.so to send transaction information

4 ClientAPI sends information to Driver through open/ioctl/close system call

5 Driver enters TEE through the SMC instruction of TrustZone

6 TEE starts TA and sends transaction information

7 TA completes the display of transaction information, and the user confirms

8 the result of the transaction is returned to Driver by TEE through SMC instruction

9 Driver returns the transaction information to APP

10 complete

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