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#! /usr/bin/env perl
# Copyright 2017-2022 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
use strict;
use warnings;
use File::Spec;
use OpenSSL::Test qw/:DEFAULT with srctop_file data_file/;
use OpenSSL::Test::Utils;
setup("test_rsapss");
plan tests => 16;
#using test/testrsa.pem which happens to be a 512 bit RSA
ok(run(app(['openssl', 'dgst', '-sign', srctop_file('test', 'testrsa.pem'), '-sha1',
'-sigopt', 'rsa_padding_mode:pss',
'-sigopt', 'rsa_pss_saltlen:max',
'-sigopt', 'rsa_mgf1_md:sha512',
'-out', 'testrsapss-restricted.sig',
srctop_file('test', 'testrsa.pem')])),
"openssl dgst -sign [plain RSA key, PSS padding mode, PSS restrictions]");
ok(run(app(['openssl', 'dgst', '-sign', srctop_file('test', 'testrsa.pem'), '-sha1',
'-sigopt', 'rsa_padding_mode:pss',
'-out', 'testrsapss-unrestricted.sig',
srctop_file('test', 'testrsa.pem')])),
"openssl dgst -sign [plain RSA key, PSS padding mode, no PSS restrictions]");
ok(!run(app(['openssl', 'dgst', '-sign', srctop_file('test', 'testrsa.pem'), '-sha512',
'-sigopt', 'rsa_padding_mode:pss', '-sigopt', 'rsa_pss_saltlen:max',
'-sigopt', 'rsa_mgf1_md:sha512', srctop_file('test', 'testrsa.pem')])),
"openssl dgst -sign, expect to fail gracefully");
ok(!run(app(['openssl', 'dgst', '-sign', srctop_file('test', 'testrsa.pem'), '-sha512',
'-sigopt', 'rsa_padding_mode:pss', '-sigopt', 'rsa_pss_saltlen:2147483647',
'-sigopt', 'rsa_mgf1_md:sha1', srctop_file('test', 'testrsa.pem')])),
"openssl dgst -sign, expect to fail gracefully");
ok(!run(app(['openssl', 'dgst', '-prverify', srctop_file('test', 'testrsa.pem'), '-sha512',
'-sigopt', 'rsa_padding_mode:pss', '-sigopt', 'rsa_pss_saltlen:max',
'-sigopt', 'rsa_mgf1_md:sha512', '-signature', 'testrsapss.sig',
srctop_file('test', 'testrsa.pem')])),
"openssl dgst -prverify, expect to fail gracefully");
ok(run(app(['openssl', 'dgst', '-prverify', srctop_file('test', 'testrsa.pem'),
'-sha1',
'-sigopt', 'rsa_padding_mode:pss',
'-sigopt', 'rsa_pss_saltlen:max',
'-sigopt', 'rsa_mgf1_md:sha512',
'-signature', 'testrsapss-restricted.sig',
srctop_file('test', 'testrsa.pem')])),
"openssl dgst -prverify [plain RSA key, PSS padding mode, PSS restrictions]");
ok(run(app(['openssl', 'dgst', '-prverify', srctop_file('test', 'testrsa.pem'),
'-sha1',
'-sigopt', 'rsa_padding_mode:pss',
'-sigopt', 'rsa_pss_saltlen:42',
'-sigopt', 'rsa_mgf1_md:sha512',
'-signature', 'testrsapss-restricted.sig',
srctop_file('test', 'testrsa.pem')])),
"openssl dgst -sign rsa512bit.pem -sha1 -sigopt rsa_pss_saltlen:max produces 42 bits of PSS salt");
ok(run(app(['openssl', 'dgst', '-prverify', srctop_file('test', 'testrsa.pem'),
'-sha1',
'-sigopt', 'rsa_padding_mode:pss',
'-sigopt', 'rsa_pss_saltlen:auto-digestmax',
'-sigopt', 'rsa_mgf1_md:sha512',
'-signature', 'testrsapss-restricted.sig',
srctop_file('test', 'testrsa.pem')])),
"openssl dgst -prverify rsa512bit.pem -sha1 -sigopt rsa_pss_saltlen:auto-digestmax verifies signatures with saltlen > digestlen");
ok(run(app(['openssl', 'dgst', '-prverify', srctop_file('test', 'testrsa.pem'),
'-sha1',
'-sigopt', 'rsa_padding_mode:pss',
'-signature', 'testrsapss-unrestricted.sig',
srctop_file('test', 'testrsa.pem')])),
"openssl dgst -prverify [plain RSA key, PSS padding mode, no PSS restrictions]");
ok(run(app(['openssl', 'dgst', '-sign', srctop_file('test', 'testrsa.pem'), '-sha1',
'-sigopt', 'rsa_padding_mode:pss',
'-sigopt', 'rsa_pss_saltlen:auto-digestmax',
'-out', 'testrsapss-sha1-autodigestmax.sig',
srctop_file('test', 'testrsa.pem')])),
"openssl dgst -sign -sha1 -rsa_pss_saltlen:auto-digestmax");
ok(run(app(['openssl', 'dgst', '-prverify', srctop_file('test', 'testrsa.pem'), '-sha1',
'-sigopt', 'rsa_padding_mode:pss',
'-sigopt', 'rsa_pss_saltlen:20',
'-signature', 'testrsapss-sha1-autodigestmax.sig',
srctop_file('test', 'testrsa.pem')])),
"openssl dgst -sign -sha1 -rsa_padding_mode:auto-digestmax produces 20 (i.e., digestlen) bits of PSS salt");
ok(run(app(['openssl', 'dgst', '-sign', srctop_file('test', 'testrsa.pem'), '-sha256',
'-sigopt', 'rsa_padding_mode:pss',
'-sigopt', 'rsa_pss_saltlen:auto-digestmax',
'-out', 'testrsapss-sha256-autodigestmax.sig',
srctop_file('test', 'testrsa.pem')])),
"openssl dgst -sign -sha256 -rsa_pss_saltlen:auto-digestmax");
ok(run(app(['openssl', 'dgst', '-prverify', srctop_file('test', 'testrsa.pem'), '-sha256',
'-sigopt', 'rsa_padding_mode:pss',
'-sigopt', 'rsa_pss_saltlen:30',
'-signature', 'testrsapss-sha256-autodigestmax.sig',
srctop_file('test', 'testrsa.pem')])),
"openssl dgst -sign rsa512bit.pem -sha256 -rsa_padding_mode:auto-digestmax produces 30 bits of PSS salt (due to 512bit key)");
# Test that RSA-PSS keys are supported by genpkey and rsa commands.
{
my $rsapss = "rsapss.key";
ok(run(app(['openssl', 'genpkey', '-algorithm', 'RSA-PSS',
'-pkeyopt', 'rsa_keygen_bits:1024',
'--out', $rsapss])));
ok(run(app(['openssl', 'rsa', '-check',
'-in', $rsapss])));
}
ok(!run(app([ 'openssl', 'rsa',
'-in' => data_file('negativesaltlen.pem')],
'-out' => 'badout')));
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