From 09667692cd0b5bc3219b7e35ea7636ccae4b11bd Mon Sep 17 00:00:00 2001
From: Sun Knudsen <hello@sunknudsen.com>
Date: Sat, 6 Mar 2021 14:37:53 -0500
Subject: [PATCH] Implemented create-seed feature

---
 .../qr-backup.sh                                |  16 ++++++++++++++--
 .../qr-backup.sh.sig                            | Bin 566 -> 566 bytes
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/how-to-create-encrypted-paper-backup/qr-backup.sh b/how-to-create-encrypted-paper-backup/qr-backup.sh
index b274202..9d488a4 100755
--- a/how-to-create-encrypted-paper-backup/qr-backup.sh
+++ b/how-to-create-encrypted-paper-backup/qr-backup.sh
@@ -11,10 +11,15 @@ while [[ $# -gt 0 ]]; do
     "Usage: qr-backup.sh [options]" \
     "" \
     "Options:" \
-    "  --bip39      test secret against BIP39 word list" \
-    "  -h, --help   display help for command"
+    "  --create-seed  create random 24-word BIP39 seed phrase" \
+    "  --bip39        test secret against BIP39 word list" \
+    "  -h, --help     display help for command"
     exit 0
     ;;
+    --create-seed)
+    create_seed=true
+    shift
+    ;;
     --bip39)
     bip39=true
     shift
@@ -65,6 +70,13 @@ if ! mount | grep $usb > /dev/null; then
   sudo mount $dev $usb -o uid=pi,gid=pi
 fi
 
+if [ "$create_seed" = true ]; then
+  printf "%s\n" "Creating random 24-word BIP39 seed phrase…"
+  secret=$(cat "$basedir/bip39.txt" | shuf --head-count 24 --random-source=/dev/urandom --repeat | tr "\n" " ")
+  echo $secret
+  sleep 1
+fi
+
 if [ -z "$secret" ]; then
   tput sc
   printf "%s\n" "Type secret and press enter"
diff --git a/how-to-create-encrypted-paper-backup/qr-backup.sh.sig b/how-to-create-encrypted-paper-backup/qr-backup.sh.sig
index acbaf0fd9d7bb167a10a15ad141b8b53098df468..ffdadad374305a9f34313e16e48952f883f88cee 100644
GIT binary patch
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