add support for an incorrect KDF that snuck into Riot 1.0

1 files changed, 8 insertions, 0 deletions

diff --git a/include/olm/sas.h b/include/olm/sas.h
index 46d4176..ec90ae7 100644
--- a/include/olm/sas.h
+++ b/include/olm/sas.h
@@ -147,6 +147,14 @@ size_t olm_sas_calculate_mac(
     void * mac, size_t mac_length
 );
 
+// for compatibility with an old version of Riot
+size_t olm_sas_calculate_mac_long_kdf(
+    OlmSAS * sas,
+    void * input, size_t input_length,
+    const void * info, size_t info_length,
+    void * mac, size_t mac_length
+);
+
 /** @} */ // end of SAS group
 
 #ifdef __cplusplus