ocrypto_ecjpake_get_premaster_secret_key()

int ocrypto_ecjpake_get_premaster_secret_key	(	uint8_t	secret[64],
		const uint8_t	Xr[64],
		const uint8_t	X2[64],
		const uint8_t	xs[32],
		const uint8_t	x2[32] )

#include <crypto/nrf_oberon/include/ocrypto_ecjpake_p256.h>

EC-JPAKE-P256 premaster secret key generation.

Parameters

[out]	secret	Resulting premaster secret key (curve point).
	Xr	Remote client/server public key.
	X2	Remote public key 2.
	xs	Client/server secret key.
	x2	Secret key 2.

Return values

0	If the premaster secret key is valid.
-1	Otherwise.