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README.md 601c1de110 update 2 rokov pred
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README.md

General

All projects built with the nrf5x PAL need to set DL_MAX_FRAME_SIZE=250 via a global define, because the nrf5x doesn't support the default frame size.

To use the PAL together with other I2C devices and be able to run it also on a BLE Shield2Go make a global define IFX_2GO_SUPPORT.

Nordic SDK nrf_crypto backend

To use the OPTIGA with the nrf_crypto API the Nordic SDK needs to be modified according to the following steps.

Locate the folder /components/libraries/crypto/. In each file listed in the following table locate the include statement section starting with the comment // Include all backends.

Append the corresponding OPTIGA backend header file include statement at the end of each respective include block.

File Include statement to append
nrf_crypto_ecc_backend.h #include "optiga_backend_ecc.h"
nrf_crypto_ecdh_backend.h #include "optiga_backend_ecdh.h"
nrf_crypto_ecdsa_backend.h #include "optiga_backend_ecdsa.h"
nrf_crypto_rng_backend.h #include "optiga_backend_rng.h"

Memory Allocation

The library allocates memory on the heap. To ensure correct operation the heap must be sufficiently large, e.g. 8,192 Bytes.