#!/bin/sh

# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0.  If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.

prog=$0
args=""
quiet=0
dir=""
msg="cryptography"

if test -z "$KEYGEN"; then
  . ../conf.sh
  alg="-a $DEFAULT_ALGORITHM -b $DEFAULT_BITS"
else
  alg=""
  quiet=1
  args="-q"
fi

while test "$#" -gt 0; do
  case $1 in
    -q)
      if test $quiet -eq 0; then
        args="$args -q"
        quiet=1
      fi
      ;;
    rsa | RSA | rsasha1 | RSASHA1)
      alg="-a RSASHA1"
      msg="RSA cryptography"
      ;;
    rsasha256 | RSASHA256)
      alg="-a RSASHA256"
      msg="RSA cryptography"
      ;;
    rsasha512 | RSASHA512)
      alg="-a RSASHA512"
      msg="RSA cryptography"
      ;;
    ecdsa | ECDSA | ecdsap256sha256 | ECDSAP256SHA256)
      alg="-a ECDSAP256SHA256"
      msg="ECDSA cryptography"
      ;;
    ecdsap384sha384 | ECDSAP384SHA384)
      alg="-a ECDSAP384SHA384"
      msg="ECDSA cryptography"
      ;;
    eddsa | EDDSA | ed25519 | ED25519)
      alg="-a ED25519"
      msg="EDDSA cryptography"
      ;;
    ed448 | ED448)
      alg="-a ED448"
      msg="EDDSA cryptography"
      ;;
    *)
      echo "${prog}: unknown argument"
      exit 1
      ;;
  esac
  shift
done

if test -z "$alg"; then
  echo "${prog}: no algorithm selected"
  exit 1
fi

if test -n "$TMPDIR"; then
  dir=$(mktemp -d "$TMPDIR/XXXXXX")
  args="$args -K $dir"
fi

if $KEYGEN $args $alg foo >/dev/null 2>&1; then
  if test -z "$dir"; then
    rm -f Kfoo*
  else
    rm -rf "$dir"
  fi
else
  if test $quiet -eq 0; then
    echo_i "This test requires support for $msg" >&2
  fi
  exit 255
fi