not working transfer script idea

transfer/recv-file

@@ -0,0 +1,17 @@
+#!/bin/bash
+# Usage: recv-file <server> <port> <file>
+
+SERVER=$1
+PORT=${2:-4443}
+FILE=$3
+
+# Recv the key and IV
+$KEY_IV=$(nc -w 3 $SERVER $PORT | gpg --decrypt || exit 1)
+
+echo "Received key and iv: $KEY_IV"
+
+echo "Reading file"
+
+nc -w 3 $SERVER $PORT | chacha20 d $KEY_IV | gunzip > $FILE || exit 2
+
+echo "Read"

transfer/send-file

@@ -0,0 +1,19 @@
+#!/bin/bash
+# Usage: send-file <port> <key> <file>
+
+PORT=${1:-4443}
+KEY="$2"
+FILE=$3
+
+IV=$(chacha20 keygen $KEY)
+
+# Send the key and IV
+KEY_IV=$( (echo $KEY && echo $IV) | gpg --encrypt --armour)
+nc -l -p $PORT || exit 1 <<< $KEY_IV
+
+echo "Sending file"
+
+# Send the file
+cat $FILE | gzip | chacha20 e $KEY $IV | nc -l -p $PORT || exit 2
+
+echo "Sent"

transfer/test.txt

@@ -0,0 +1 @@
+Hello world!