* [PATCH v2 2/2] tls-suites: use exact length on l_ecc_point_from_data
@ 2022-01-21 19:36 James Prestwood
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From: James Prestwood @ 2022-01-21 19:36 UTC (permalink / raw)
To: ell
[-- Attachment #1: Type: text/plain, Size: 839 bytes --]
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
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2022-01-21 19:36 [PATCH v2 2/2] tls-suites: use exact length on l_ecc_point_from_data James Prestwood
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