36 lines
1001 B
Diff
36 lines
1001 B
Diff
From 75ee064d69f687aa43cff40ce2061db1afe75f85 Mon Sep 17 00:00:00 2001
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From: Zhiqi Song <songzhiqi1@huawei.com>
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Date: Fri, 29 Mar 2024 10:13:25 +0800
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Subject: [PATCH 7/7] sm2: add ctx allocation check
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Add result check of EVP_MD_CTX_new().
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Signed-off-by: Zhiqi Song <songzhiqi1@huawei.com>
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Signed-off-by: JiangShui Yang <yangjiangshui@h-partners.com>
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---
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src/uadk_sm2.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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diff --git a/src/uadk_sm2.c b/src/uadk_sm2.c
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index 8421931..c0a5303 100644
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--- a/src/uadk_sm2.c
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+++ b/src/uadk_sm2.c
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@@ -152,9 +152,13 @@ static int compute_hash(const char *in, size_t in_len,
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char *out, size_t out_len, void *usr)
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{
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const EVP_MD *digest = (const EVP_MD *)usr;
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- EVP_MD_CTX *hash = EVP_MD_CTX_new();
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+ EVP_MD_CTX *hash;
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int ret = 0;
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+ hash = EVP_MD_CTX_new();
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+ if (!hash)
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+ return -1;
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+
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if (EVP_DigestInit(hash, digest) == 0 ||
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EVP_DigestUpdate(hash, in, in_len) == 0 ||
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EVP_DigestFinal(hash, (void *)out, NULL) == 0) {
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--
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2.25.1
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