diff -uNr a/lamport-parachute/lamport_decode.sh b/lamport-parachute/lamport_decode.sh
--- a/lamport-parachute/lamport_decode.sh false
+++ b/lamport-parachute/lamport_decode.sh bdc0823644f0620b45ceac7a95b369dc7fce43d73fb5478bb1ff452c2140b8890511971b1f945e71c98f3b3e4a0f5f2c1769e1382608e49ded0e5716e66c425f
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+if [ $# -lt 2 ]
+then
+  echo "Usage: ./`basename $0` HASHUTIL PUBKEY.TXT < ENCODED.TXT > HEXPAYLOAD"
+  exit 1
+fi
+
+bits=""
+while read -u 3 pkl; do
+    if ! read el
+    then
+        break
+    fi
+    bits="$bits$(
+        case $(echo -n $el | xxd -r -p | $1 | cut -d ' ' -f1) in
+            $(echo $pkl | cut -d ' ' -f1)) echo "0" ;;
+            $(echo $pkl | cut -d ' ' -f2)) echo "1" ;;
+            *) exit 1; break ;;
+            esac)"
+    if [[ $? == 1 ]]
+    then
+        echo False >&2;
+        exit 1
+    fi
+done 3<$2
+
+echo "ibase=2;obase=10000;$bits" | bc  | tr -d '\\\n' | tr '[:upper:]' '[:lower:]'
+echo
diff -uNr a/lamport-parachute/lamport_encode.sh b/lamport-parachute/lamport_encode.sh
--- a/lamport-parachute/lamport_encode.sh false
+++ b/lamport-parachute/lamport_encode.sh d5e68bebabf4a0b018d7bcad1461b079624bbca9cb0597c95062d08ef60b2f25448c53a7f16c2634ed1e438c354386a9f52183c0accc79cc948cda6f2a760433
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+if [ $# -lt 1 ]
+then
+  echo "Usage: ./`basename $0` PRIVKEY.TXT < HEXPAYLOAD > ENCODED.TXT"
+  exit 1
+fi
+
+payload=$(cat | tr '[:lower:]' '[:upper:]')
+len=$((${#payload} * 4))
+bits=$(printf "%*s" $len $(echo "ibase=16;obase=2;$payload" | bc | tr -d '\\\n') | tr ' ' 0)
+
+while IFS= read -r p; do
+    bit=${bits:0:1};
+    bits=${bits:1};
+    echo $p | cut -d ' ' -f$(($bit + 1));
+done < "$1"
diff -uNr a/lamport-parachute/lamport_mkpriv.sh b/lamport-parachute/lamport_mkpriv.sh
--- a/lamport-parachute/lamport_mkpriv.sh false
+++ b/lamport-parachute/lamport_mkpriv.sh 9f627f6096e3bdf48d14b851885c1a25a97d8de5bcc857f7dbccce559fd729672e421035cd01d3c6b862cd1acdc210fd93f5cae84d0b0d93ceabd99a78a01017
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+if [ $# -lt 2 ]
+then
+  echo "Usage: ./`basename $0` PAYLOADBITS STRENGTHBITS"
+  exit 1
+fi
+
+for i in $(seq 1 $(($1 * 2))) ; do
+    echo `od -N $(($2 / 8)) -An -t x1 /dev/random | tr -d " \n"` ;
+done | xargs -n 2
diff -uNr a/lamport-parachute/lamport_priv2pub.sh b/lamport-parachute/lamport_priv2pub.sh
--- a/lamport-parachute/lamport_priv2pub.sh false
+++ b/lamport-parachute/lamport_priv2pub.sh 09817d1f5bcdde408061a06d9a55f4c1d38976f629834ea7904229c7db50006f5f31c0e19753b9f89ca30b465475a66ef39113dc376a79efa65f392b1ab54f49
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+if [ $# -lt 1 ]
+then
+  echo "Usage: ./`basename $0` HASHUTIL < PRIVKEY.TXT > PUBKEY.TXT"
+  exit 1
+fi
+
+for x in $(cat) ; do
+    echo -n $x | xxd -r -p | $1 | cut -d ' ' -f1 ;
+done | xargs -n 2