optee_rsa_example

This is an example of RSA encrypt/decrypt methods running on OP-TEE.

Below, you find the steps to setup the environment to run OPTEE on QEMU. These steps are available in the build page of the OPTEE github (https://github.com/OP-TEE/build).

To get and build OPTEE on QEMU, you have to follow the steps below:

1. Install the following packages:

   sudo apt-get install android-tools-adb android-tools-fastboot autoconf
   automake bc bison build-essential cscope curl device-tree-compiler
   expect flex ftp-upload gdisk iasl libattr1-dev libc6:i386 libcap-dev
   libfdt-dev libftdi-dev libglib2.0-dev libhidapi-dev libncurses5-dev
   libpixman-1-dev libssl-dev libstdc++6:i386 libtool libz1:i386 make
   mtools netcat python-crypto python-serial python-wand unzip uuid-dev
   xdg-utils xterm xz-utils zlib1g-dev

2. Get the repo tool and make it executable:

   wget https://storage.googleapis.com/git-repo-downloads/repo chmod a+x repo

3. Create a directory for optee and enter inside it:

   mkdir optee cd optee

4. Get the source code:

   ./../repo init -u https://github.com/OP-TEE/manifest.git -m qemu_v8.xml ./../repo sync

5. Get the toolchains:

   cd build make toolchains

6. Build the solution:

   make

7. Run OPTEE on QEMU:

   make run

8. When the process stops, the QEMU console will be waiting. Just type c to continue. Two terminals will open: one with the "Rich OS" (Normal World) and another with the "Trusted OS" (Trusted World - OPTEE).

9. In the Rich OS (Normal World), enter "root" to login. You now can test the examples, running one of the following:

   hello_world aes hotp random

10. To run this RSA example, clone this GitHub repository in the optee/optee_examples folder, update the needed references according to the organization in your system and make runagain. When this process finishes and you login in the normal world, you can run also the rsa application, just typing rsa.