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Trusted TEE Implementation

I am currently working on a banking application in Android (my own development with Java, JNI, but not in PhoneGap, ionic, etc.). I searched a lot, but did not find a textbook for him.

trustonic : very very expensive

for Trusty TEE , but did not understand how to use it and where to use it?

Question:

  • How to contact a trusted application?
  • How to install a trusted application on a trustzone system with a client application?
  • what does he need to implement (e.g. libtee)?
  • Is there any example? if yes, indicate the same.
  • How to call trusted APIs , and if we need to change the code, how to do it?
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I used to work on developing TEE. But never used an SDK or development plugin. This is all AOSP. So, as you pointed out, it's hard to find a record openly accessible. There are many sample sources available that you can try with your foundation. Here's a link . You can also use system applications (along with your system builds) using the google APIs. Then you can just pull the application out of the system image and publish it (I know this is not a good idea!). If I can publish any blogs, I think this can help.
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Source: https://habr.com/ru/post/1270154/

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