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authortangyiqun <tangyiqun@uniontech.com>2022-04-12 16:07:17 +0800
committerTomas Mraz <tomas@openssl.org>2022-04-13 12:14:06 +0200
commit02119faee397565525151eb2ce39c424d129d287 (patch)
tree3d4ca8cef01df46abe749b72a26a417e302194ba /crypto/dh
parent801c638c50406c93d683c1ab8bd1d430cff4b6d0 (diff)
downloadopenssl-new-02119faee397565525151eb2ce39c424d129d287.tar.gz
Check the return of EVP_KDF_fetch()
Reviewed-by: Paul Dale <pauli@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/18096)
Diffstat (limited to 'crypto/dh')
-rw-r--r--crypto/dh/dh_kdf.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/dh/dh_kdf.c b/crypto/dh/dh_kdf.c
index eda3d3998a..045936b730 100644
--- a/crypto/dh/dh_kdf.c
+++ b/crypto/dh/dh_kdf.c
@@ -39,6 +39,8 @@ int ossl_dh_kdf_X9_42_asn1(unsigned char *out, size_t outlen,
const char *mdname = EVP_MD_get0_name(md);
kdf = EVP_KDF_fetch(libctx, OSSL_KDF_NAME_X942KDF_ASN1, propq);
+ if (kdf == NULL)
+ return 0;
kctx = EVP_KDF_CTX_new(kdf);
if (kctx == NULL)
goto err;