Allow the function to support DER buffers than what it is nominally
required by the provided coordinates. In other words let's ignore
padding zeros in the raw number.
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
A new test function is added, ecdsa_raw_to_der_incremental, that tests
incremental output DER buffer sizes checking that only the correct one
(tested at last) works correctly.
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This is mandatory to have support for the error codes defined
in the asn1write.h header file.
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>