*/
OCStackResult RemoveCredential(const OicUuid_t* credId);
+/**
+ * Remove all credential data on credential resource and persistent storage
+ *
+ * @retval
+ * OC_STACK_OK - no errors
+ * OC_STACK_ERROR - stack process error
+ */
+OCStackResult RemoveAllCredentials(void);
+
#if defined(__WITH_DTLS__)
/**
* This internal callback is used by lower stack (i.e. CA layer) to