curl -sS -X POST http://127.0.0.1:8000/encrypt \
  -H "Content-Type: application/json" \
  --data-binary @encrypt.json \
| tee decrypt.json \
| jq -n --arg u "alice" --arg p "correct horse battery staple" --argfile ciphertext /dev/stdin \
     '{username:$u, password:$p, ciphertext:$ciphertext}' \
| curl -sS -X POST http://127.0.0.1:8000/decrypt -H "Content-Type: application/json" --data-binary @-