ocrypto_ecjpake_zkp_sign()

int ocrypto_ecjpake_zkp_sign	(	uint8_t	r[32],
		const uint8_t	x[32],
		const uint8_t	v[32],
		const uint8_t *	hash,
		size_t	hash_len )

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

EC-JPAKE-P256 zero knowledge proof generation.

Parameters

[out]	r	ZKP signature.
	x	Secret key. 0 < x < group order
	v	ZKP ephemeral secret key. 0 < v < group order
	hash	Identity of originator.
	hash_len	Identity length.

Return values

0	If inputs are valid.
-1	Otherwise.