1 files changed, 87 insertions, 0 deletions
diff --git a/src/m_paper_key/paperkey.cpp b/src/m_paper_key/paperkey.cpp
new file mode 100644
index 0000000..41cc33b
--- /dev/null
+++ b/src/m_paper_key/paperkey.cpp
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2007, 2008, 2009, 2012, 2016 David Shaw <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <errno.h>
+#include <getopt.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "extract.h"
+#include "output.h"
+
+int verbose = 0, ignore_crc_error = 0;
+unsigned int output_width = 78;
+char *comment = nullptr;
+
+enum options {
+  OPT_HELP = 256,
+  OPT_VERSION,
+  OPT_VERBOSE,
+  OPT_OUTPUT,
+  OPT_INPUT_TYPE,
+  OPT_OUTPUT_TYPE,
+  OPT_OUTPUT_WIDTH,
+  OPT_SECRET_KEY,
+  OPT_PUBRING,
+  OPT_SECRETS,
+  OPT_IGNORE_CRC_ERROR,
+  OPT_FILE_FORMAT,
+  OPT_COMMENT
+};
+
+static struct option long_options[] = {
+    {"help", no_argument, NULL, OPT_HELP},
+    {"version", no_argument, NULL, OPT_VERSION},
+    {"verbose", no_argument, NULL, OPT_VERBOSE},
+    {"output", required_argument, NULL, OPT_OUTPUT},
+    {"input-type", required_argument, NULL, OPT_INPUT_TYPE},
+    {"output-type", required_argument, NULL, OPT_OUTPUT_TYPE},
+    {"output-width", required_argument, NULL, OPT_OUTPUT_WIDTH},
+    {"secret-key", required_argument, NULL, OPT_SECRET_KEY},
+    {"pubring", required_argument, NULL, OPT_PUBRING},
+    {"secrets", required_argument, NULL, OPT_SECRETS},
+    {"ignore-crc-error", no_argument, NULL, OPT_IGNORE_CRC_ERROR},
+    {"file-format", no_argument, NULL, OPT_FILE_FORMAT},
+    {"comment", required_argument, NULL, OPT_COMMENT},
+    {NULL, 0, NULL, 0}};
+
+static void usage(void) {
+  printf("Usage: paperkey [OPTIONS]\n");
+  printf("  --help (-h)\n");
+  printf("  --version (-V)\n");
+  printf("  --verbose (-v)  be more verbose\n");
+  printf("  --output (-o)   write output to this file\n");
+  printf("  --input-type    auto, base16 or raw (binary)\n");
+  printf("  --output-type   base16 or raw (binary)\n");
+  printf("  --output-width  maximum width of base16 output\n");
+  printf(
+      "  --secret-key"
+      "    extract secret data from this secret key\n");
+  printf(
+      "  --pubring"
+      "       public keyring to find non-secret data\n");
+  printf(
+      "  --secrets       file containing secret"
+      " data to join with the public key\n");
+  printf("  --ignore-crc-error  don't reject corrupted input\n");
+  printf("  --file-format   show the paperkey file format\n");
+  printf("  --comment       add a comment to the base16 output\n");
+}