Add initial crypto functionality

[libcontrac.git] / include / contrac / dtk.h

diff --git a/include/contrac/dtk.h b/include/contrac/dtk.h
new file mode 100644 (file)
index 0000000..1525ebb
--- /dev/null
+++ b/include/contrac/dtk.h
@@ -0,0 +1,45 @@
+/** \ingroup contrac
+ * @file
+ * @author     David Llewellyn-Jones
+ * @version    $(VERSION)
+ *
+ * @section LICENSE
+ *
+ *
+ *
+ * @brief
+ * @section DESCRIPTION
+ *
+ *
+ *
+ */
+
+#ifndef __DTK_H
+#define __DTK_H
+
+// Includes
+
+// Defines
+
+#define DTK_SIZE (16)
+#define DTK_SIZE_BASE64 (24)
+
+// Structures
+
+typedef struct _Dtk Dtk;
+
+// Function prototypes
+
+Dtk * dtk_new();
+void dtk_delete(Dtk * data);
+
+bool contrac_generate_daily_key(Dtk * data, Contrac const * contrac, uint32_t day_number);
+const unsigned char * dtk_get_daily_key(Dtk const * data);
+uint32_t dtk_get_day_number(Dtk const * data);
+void dtk_assign(Dtk * data, unsigned char const * dtk_bytes, uint32_t day_number);
+
+// Function definitions
+
+#endif // __DTK_H
+
+