Squashed 'external/toxcore/c-toxcore/' content from commit 67badf69

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 67badf69416a74e74f6d7eb51dd96f37282b8455

other/fun/create_bootstrap_keys.c

@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ * Creates bootstrap keys data for a given secret key, if provided, or a random key otherwise.
+ * The data is written to stderr, human-readable key info is written to stdout.
+ *
+ * Build: gcc -o create_bootstrap_keys create_bootstrap_key.c -lsodium -std=c99
+ *
+ * Usage: ./create_bootstrap_key [secret-key] 2>data
+ */
+#include <stdio.h>
+
+#include "create_common.h"
+
+int main(const int argc, const char *const argv[])
+{
+    init_sodium();
+
+    unsigned char public_key[crypto_box_PUBLICKEYBYTES];
+    unsigned char secret_key[crypto_box_SECRETKEYBYTES];
+    handle_args(argc, argv, "Creates bootstrap keys data", public_key, secret_key);
+
+    print_keys(public_key, secret_key);
+
+    fwrite(public_key, sizeof(public_key), 1, stderr);
+    fwrite(secret_key, sizeof(secret_key), 1, stderr);
+
+    return 0;
+}