https://devzone.nordicsemi.com/f/nordic-q-a/42641/key-pair-generation-with-edcsa-secp256k1Hi We have a generated a key pair using ECDSA secp256k1 ``` err_code = nrf_crypto_ecc_key_pair_generate ( NULL , &amp; g_nrf_crypto_ecc_secp256k1_curve_info , &amp; private_key , &amp; public_key ); size = sizeof ( raw_key_buffer ); err_code = nrf_crypto_ecc_public_key_to_rawen-USTelligent Community 13Thu, 17 Jan 2019 15:26:26 GMThttps://devzone.nordicsemi.com/thread/166307?ContentTypeID=1Thu, 17 Jan 2019 15:26:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d1d01fa0-99eb-40ae-b4f6-d2853c5b2e51ChrisMoss<p>Yes seems we had to set<br />define NRF_CRYPTO_BACKEND_MICRO_ECC_LITTLE_ENDIAN_ENABLED <ins>1</ins></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/166204?ContentTypeID=1Thu, 17 Jan 2019 11:55:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3f71e9fa-ba46-46e5-bb88-d6ef7f547979ChrisMoss<p>seems endian related will reverse and try again based on this issue<br /><a href="https://devzone.nordicsemi.com/f/nordic-q-a/17650/ecc-wrong-public-key-is-generated">devzone.nordicsemi.com/.../ecc-wrong-public-key-is-generated</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/166203?ContentTypeID=1Thu, 17 Jan 2019 11:51:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:12bffa4b-34e7-4649-bfd7-5f21d53097acChrisMoss<p>that should read &quot;<span>Is there anything incorrect in our generation of the key pair and conversion to hex?&quot;</span></p><div style="clear:both;"></div>