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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.