[PATCH v2 2/2] tls-suites: use exact length on l_ecc_point_from_data

[James Prestwood <prestwoj at gmail.com>]

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This was passing the remaining length in but prior this length was
only checked if less than point_bytes. If it was greater the
recent update to l_ecc_point_from_data will cause an error return.

Instead use point_bytes directly.
---
 ell/tls-suites.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ell/tls-suites.c b/ell/tls-suites.c
index 055ee80..1c1ca07 100644
--- a/ell/tls-suites.c
+++ b/ell/tls-suites.c
@@ -534,7 +534,7 @@ static void tls_handle_ecdhe_server_key_xchg(struct l_tls *tls,
 	params->curve = l_ecc_curve_from_tls_group(tls->negotiated_curve->id);
 	params->public = l_ecc_point_from_data(params->curve,
 						L_ECC_POINT_TYPE_FULL,
-						buf, len);
+						buf, point_bytes);
 	tls->pending.key_xchg_params = params;
 	buf += point_bytes;
 	len -= point_bytes;
-- 
2.31.1