1 files changed, 16 insertions, 0 deletions
diff --git a/src/shared/recovery-key.h b/src/shared/recovery-key.h
new file mode 100644
index 0000000..68e8051
--- /dev/null
+++ b/src/shared/recovery-key.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+/* 256 bit keys = 32 bytes */
+#define RECOVERY_KEY_MODHEX_RAW_LENGTH 32
+
+/* Formatted as sequences of 64 modhex characters, with dashes inserted after multiples of 8 chars (incl. trailing NUL) */
+#define RECOVERY_KEY_MODHEX_FORMATTED_LENGTH (RECOVERY_KEY_MODHEX_RAW_LENGTH*2/8*9)
+
+int make_recovery_key(char **ret);
+
+extern const char modhex_alphabet[16];
+
+int decode_modhex_char(char x);
+
+int normalize_recovery_key(const char *password, char **ret);