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crypto/ecc: fix static check in using uninitilized params

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1. p.x uninitialized in line 1643
2. l_public.y uninitialized in line 1579
3. l_public.y uninitialized in line 1533
Signed-off-by: makejian <makejian@xiaomi.com>
This commit is contained in:
makejian
2026-01-26 10:55:57 +08:00
committed by Xiang Xiao
parent e2a7656eee
commit 79863bb140
1 changed files with 7 additions and 0 deletions
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crypto/ecc.c
+7
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@@ -1505,6 +1505,8 @@ int ecc_make_key(uint8_t publickey[ECC_BYTES + 1],
eccpoint_t l_public;
unsigned l_tries = 0;
memset(&l_public, 0, sizeof(eccpoint_t));
do
{
if (l_tries++ >= MAX_TRIES)
@@ -1590,6 +1592,9 @@ int ecdh_shared_secret(const uint8_t publickey[ECC_BYTES + 1],
uint64_t l_private[NUM_ECC_DIGITS];
uint64_t l_random[NUM_ECC_DIGITS];
memset(&l_product, 0, sizeof(eccpoint_t));
memset(&l_public, 0, sizeof(eccpoint_t));
arc4random_buf(l_random, NUM_ECC_DIGITS);
ecc_point_decompress(&l_public, publickey);
ecc_bytes2native(l_private, privatekey);
@@ -1611,6 +1616,8 @@ int ecdsa_sign(const uint8_t privatekey[ECC_BYTES],
unsigned l_tries = 0;
eccpoint_t p;
memset(&p, 0, sizeof(eccpoint_t));
do
{
if (l_tries++ >= MAX_TRIES)