ocrypto_ecdh_p521_secret_key_check()

int ocrypto_ecdh_p521_secret_key_check

(

const uint8_t

sk[66]

)

ECDH P-521 secret key check.

Parameters

sk	Secret key to check.

Return values

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

Remarks

To generate a valid secret key use the following code pattern:

do get_random(sk); while (ocrypto_ecdh_p521_secret_key_check(sk));