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Check the return of EVP_KDF_fetch()

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Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18096)
This commit is contained in:
tangyiqun 2022-04-12 16:07:17 +08:00 committed by Tomas Mraz
parent 801c638c50
commit 02119faee3
1 changed files with 2 additions and 0 deletions
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2
crypto/dh/dh_kdf.c
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@ -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;