diff options
Diffstat (limited to 'providers/implementations/keymgmt')
| -rw-r--r-- | providers/implementations/keymgmt/mac_legacy_kmgmt.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/providers/implementations/keymgmt/mac_legacy_kmgmt.c b/providers/implementations/keymgmt/mac_legacy_kmgmt.c index 3b378d38ff..e1e2609dfa 100644 --- a/providers/implementations/keymgmt/mac_legacy_kmgmt.c +++ b/providers/implementations/keymgmt/mac_legacy_kmgmt.c @@ -190,7 +190,8 @@ static int mac_key_fromdata(MAC_KEY *key, const OSSL_PARAM params[]) return 0; } OPENSSL_secure_clear_free(key->priv_key, key->priv_key_len); - key->priv_key = OPENSSL_secure_malloc(p->data_size); + /* allocate at least one byte to distinguish empty key from no key set */ + key->priv_key = OPENSSL_secure_malloc(p->data_size > 0 ? p->data_size : 1); if (key->priv_key == NULL) { ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); return 0; |