1 files changed, 17 insertions, 0 deletions
diff --git a/include/axolotl/error.hh b/include/axolotl/error.hh
new file mode 100644
index 0000000..712b9eb
--- /dev/null
+++ b/include/axolotl/error.hh
@@ -0,0 +1,17 @@
+#ifndef ERROR_HH_
+#define ERROR_HH_
+
+namespace axolotl {
+
+enum struct ErrorCode {
+    SUCCESS = 0, /*!< There wasn't an error */
+    NOT_ENOUGH_RANDOM = 1,  /*!< Not enough entropy was supplied */
+    OUTPUT_BUFFER_TOO_SMALL = 2, /*!< Supplied output buffer is too small */
+    BAD_MESSAGE_VERSION = 3,  /*!< The message version is unsupported */
+    BAD_MESSAGE_FORMAT = 4, /*!< The message couldn't be decoded */
+    BAD_MESSAGE_MAC = 5, /*!< The message couldn't be decrypted */
+};
+
+} // namespace axolotl
+
+#endif /* ERROR_HH_ */