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Null deref check in Pkcs11ECDH

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This commit is contained in:
Eric Blankenhorn
2025-12-18 10:10:57 -06:00
parent b42e9a9410
commit d1a4677a8a
1 changed files with 2 additions and 1 deletions
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3
wolfcrypt/src/wc_pkcs11.c
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@@ -2764,7 +2764,8 @@ static int Pkcs11ECDH(Pkcs11Session* session, wc_CryptoInfo* info)
if (ret == 0) {
secSz = *info->pk.ecdh.outlen;
if (secSz > (CK_ULONG)info->pk.ecdh.private_key->dp->size)
if (info->pk.ecdh.private_key->dp != NULL &&
secSz > (CK_ULONG)info->pk.ecdh.private_key->dp->size)
secSz = info->pk.ecdh.private_key->dp->size;
params.kdf = CKD_NULL;