#!/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
