1 files changed, 6 insertions, 0 deletions

diff --git a/src/lib/libcrypto/pkcs12/p12_mutl.c b/src/lib/libcrypto/pkcs12/p12_mutl.c
index 4886b9b289..140d21155e 100644
--- a/src/lib/libcrypto/pkcs12/p12_mutl.c
+++ b/src/lib/libcrypto/pkcs12/p12_mutl.c
@@ -72,6 +72,12 @@ int PKCS12_gen_mac (PKCS12 *p12, const char *pass, int passlen,
         unsigned char key[PKCS12_MAC_KEY_LENGTH], *salt;
         int saltlen, iter;
 
+        if (!PKCS7_type_is_data(p12->authsafes))
+                {
+                PKCS12err(PKCS12_F_PKCS12_GEN_MAC,PKCS12_R_CONTENT_TYPE_NOT_DATA);
+                return 0;
+                }
+
         salt = p12->mac->salt->data;
         saltlen = p12->mac->salt->length;
         if (!p12->mac->iter) iter = 1;