If the user provides a NULL ecc private key, the kernel will generate it and further use it for ecdh. Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx> --- crypto/ecdh.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/crypto/ecdh.c b/crypto/ecdh.c index 63ca337..f28f5b5 100644 --- a/crypto/ecdh.c +++ b/crypto/ecdh.c @@ -55,6 +55,10 @@ static int ecdh_set_secret(struct crypto_kpp *tfm, const void *buf, ctx->curve_id = params.curve_id; ctx->ndigits = ndigits; + if (!params.key || !params.key_size) + return ecc_gen_privkey(ctx->curve_id, ctx->ndigits, + ctx->private_key); + if (ecc_is_key_valid(ctx->curve_id, ctx->ndigits, (const u8 *)params.key, params.key_size) < 0) return -EINVAL; -- 2.7.4
