DO management

src/ac.c

@@ -0,0 +1,69 @@
+/*
+ * ac.c -- Check access condition
+ */
+
+#include "ch.h"
+#include "gnuk.h"
+
+static uint8_t auth_status = AC_NONE_AUTHORIZED;
+
+int
+ac_check_status (uint8_t ac_flag)
+{
+  if (ac_flag == AC_ALWAYS)
+    return 1;
+  else if (ac_flag == AC_NEVER)
+    return 0;
+  else
+    return (ac_flag & auth_status)? 1 : 0;
+}
+
+/*
+ * XXX: should be implemented
+ *
+ * string --S2K(SHA1,SALT,ITERATE)--> key
+ * load params from flash with key (key,enc_params --decrypt--> params)
+ * check magic in params
+ */
+
+int
+verify_pso_cds (uint8_t *pw, int pw_len)
+{
+#if 0
+  compute_hash;
+  if (cmp_hash (pw1_hash, hash) == 0)
+    good;
+  else
+    return -1;
+#endif
+  auth_status |= AC_PSO_CDS_AUTHORIZED;
+  return 0;
+}
+
+int
+verify_pso_other (uint8_t *pw, int pw_len)
+{
+#if 0
+  compute_hash;
+  if (cmp_hash (pw1_hash, hash) == 0)
+    good;
+  else
+    return -1;
+#endif
+  auth_status |= AC_PSO_OTHER_AUTHORIZED;
+  return 0;
+}
+
+int
+verify_pso_admin (uint8_t *pw, int pw_len)
+{
+#if 0
+  compute_hash;
+  if (cmp_hash (pw3_hash, hash) == 0)
+    good;
+  else
+    return -1;
+#endif
+  auth_status |= AC_ADMIN_AUTHORIZED;
+  return 0;
+}