ocrypto_ecdh_p256k1_public_key()

int ocrypto_ecdh_p256k1_public_key	(	uint8_t	r[64],
		const uint8_t	sk[32] )

#include <crypto/nrf_oberon/include/ocrypto_ecdh_p256k1.h>

ECDH secp256k1 public key generation r = n * p.

Given a secret key sk the corresponding public key is computed and put into r.

Parameters

[out]	r	Generated public key.
	sk	Secret key. Must be pre-filled with random data.

Return values

0	If sk is a valid secret key.
-1	Otherwise.

Remarks

r may be same as sk.