]> WPIA git - cassiopeia.git/blobdiff - lib/openssl/test/recipes/80-test_cms.t
upd: openssl to 1.1.0
[cassiopeia.git] / lib / openssl / test / recipes / 80-test_cms.t
diff --git a/lib/openssl/test/recipes/80-test_cms.t b/lib/openssl/test/recipes/80-test_cms.t
new file mode 100644 (file)
index 0000000..40fcf7c
--- /dev/null
@@ -0,0 +1,494 @@
+#! /usr/bin/env perl
+# Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the OpenSSL license (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 POSIX;
+use File::Spec::Functions qw/catfile/;
+use File::Compare qw/compare_text/;
+use OpenSSL::Test qw/:DEFAULT srctop_dir srctop_file/;
+use OpenSSL::Test::Utils;
+
+setup("test_cms");
+
+plan skip_all => "CMS is not supported by this OpenSSL build"
+    if disabled("cms");
+
+my $smdir    = srctop_dir("test", "smime-certs");
+my $smcont   = srctop_file("test", "smcont.txt");
+my ($no_des, $no_dh, $no_dsa, $no_ec, $no_ec2m, $no_rc2, $no_zlib)
+    = disabled qw/des dh dsa ec ec2m rc2 zlib/;
+
+plan tests => 4;
+
+my @smime_pkcs7_tests = (
+
+    [ "signed content DER format, RSA key",
+      [ "-sign", "-in", $smcont, "-outform", "DER", "-nodetach",
+       "-certfile", catfile($smdir, "smroot.pem"),
+       "-signer", catfile($smdir, "smrsa1.pem"), "-out", "test.cms" ],
+      [ "-verify", "-in", "test.cms", "-inform", "DER",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt" ]
+    ],
+
+    [ "signed detached content DER format, RSA key",
+      [ "-sign", "-in", $smcont, "-outform", "DER",
+       "-signer", catfile($smdir, "smrsa1.pem"), "-out", "test.cms" ],
+      [ "-verify", "-in", "test.cms", "-inform", "DER",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt",
+       "-content", $smcont ]
+    ],
+
+    [ "signed content test streaming BER format, RSA",
+      [ "-sign", "-in", $smcont, "-outform", "DER", "-nodetach",
+       "-stream",
+       "-signer", catfile($smdir, "smrsa1.pem"), "-out", "test.cms" ],
+      [ "-verify", "-in", "test.cms", "-inform", "DER",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt" ]
+    ],
+
+    [ "signed content DER format, DSA key",
+      [ "-sign", "-in", $smcont, "-outform", "DER", "-nodetach",
+       "-signer", catfile($smdir, "smdsa1.pem"), "-out", "test.cms" ],
+      [ "-verify", "-in", "test.cms", "-inform", "DER",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt" ]
+    ],
+
+    [ "signed detached content DER format, DSA key",
+      [ "-sign", "-in", $smcont, "-outform", "DER",
+       "-signer", catfile($smdir, "smdsa1.pem"), "-out", "test.cms" ],
+      [ "-verify", "-in", "test.cms", "-inform", "DER",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt",
+       "-content", $smcont ]
+    ],
+
+    [ "signed detached content DER format, add RSA signer (with DSA existing)",
+      [ "-resign", "-inform", "DER", "-in", "test.cms", "-outform", "DER",
+       "-signer", catfile($smdir, "smrsa1.pem"), "-out", "test2.cms" ],
+      [ "-verify", "-in", "test2.cms", "-inform", "DER",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt",
+       "-content", $smcont ]
+    ],
+
+    [ "signed content test streaming BER format, DSA key",
+      [ "-sign", "-in", $smcont, "-outform", "DER", "-nodetach",
+       "-stream",
+       "-signer", catfile($smdir, "smdsa1.pem"), "-out", "test.cms" ],
+      [ "-verify", "-in", "test.cms", "-inform", "DER",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt" ]
+    ],
+
+    [ "signed content test streaming BER format, 2 DSA and 2 RSA keys",
+      [ "-sign", "-in", $smcont, "-outform", "DER", "-nodetach",
+       "-signer", catfile($smdir, "smrsa1.pem"),
+       "-signer", catfile($smdir, "smrsa2.pem"),
+       "-signer", catfile($smdir, "smdsa1.pem"),
+       "-signer", catfile($smdir, "smdsa2.pem"),
+       "-stream", "-out", "test.cms" ],
+      [ "-verify", "-in", "test.cms", "-inform", "DER",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt" ]
+    ],
+
+    [ "signed content test streaming BER format, 2 DSA and 2 RSA keys, no attributes",
+      [ "-sign", "-in", $smcont, "-outform", "DER", "-noattr", "-nodetach",
+       "-signer", catfile($smdir, "smrsa1.pem"),
+       "-signer", catfile($smdir, "smrsa2.pem"),
+       "-signer", catfile($smdir, "smdsa1.pem"),
+       "-signer", catfile($smdir, "smdsa2.pem"),
+       "-stream", "-out", "test.cms" ],
+      [ "-verify", "-in", "test.cms", "-inform", "DER",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt" ]
+    ],
+
+    [ "signed content test streaming S/MIME format, 2 DSA and 2 RSA keys",
+      [ "-sign", "-in", $smcont, "-nodetach",
+       "-signer", catfile($smdir, "smrsa1.pem"),
+       "-signer", catfile($smdir, "smrsa2.pem"),
+       "-signer", catfile($smdir, "smdsa1.pem"),
+       "-signer", catfile($smdir, "smdsa2.pem"),
+       "-stream", "-out", "test.cms" ],
+      [ "-verify", "-in", "test.cms",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt" ]
+    ],
+
+    [ "signed content test streaming multipart S/MIME format, 2 DSA and 2 RSA keys",
+      [ "-sign", "-in", $smcont,
+       "-signer", catfile($smdir, "smrsa1.pem"),
+       "-signer", catfile($smdir, "smrsa2.pem"),
+       "-signer", catfile($smdir, "smdsa1.pem"),
+       "-signer", catfile($smdir, "smdsa2.pem"),
+       "-stream", "-out", "test.cms" ],
+      [ "-verify", "-in", "test.cms",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt" ]
+    ],
+
+    [ "enveloped content test streaming S/MIME format, DES, 3 recipients",
+      [ "-encrypt", "-in", $smcont,
+       "-stream", "-out", "test.cms",
+       catfile($smdir, "smrsa1.pem"),
+       catfile($smdir, "smrsa2.pem"),
+       catfile($smdir, "smrsa3.pem") ],
+      [ "-decrypt", "-recip", catfile($smdir, "smrsa1.pem"),
+       "-in", "test.cms", "-out", "smtst.txt" ]
+    ],
+
+    [ "enveloped content test streaming S/MIME format, DES, 3 recipients, 3rd used",
+      [ "-encrypt", "-in", $smcont,
+       "-stream", "-out", "test.cms",
+       catfile($smdir, "smrsa1.pem"),
+       catfile($smdir, "smrsa2.pem"),
+       catfile($smdir, "smrsa3.pem") ],
+      [ "-decrypt", "-recip", catfile($smdir, "smrsa3.pem"),
+       "-in", "test.cms", "-out", "smtst.txt" ]
+    ],
+
+    [ "enveloped content test streaming S/MIME format, DES, 3 recipients, key only used",
+      [ "-encrypt", "-in", $smcont,
+       "-stream", "-out", "test.cms",
+       catfile($smdir, "smrsa1.pem"),
+       catfile($smdir, "smrsa2.pem"),
+       catfile($smdir, "smrsa3.pem") ],
+      [ "-decrypt", "-inkey", catfile($smdir, "smrsa3.pem"),
+       "-in", "test.cms", "-out", "smtst.txt" ]
+    ],
+
+    [ "enveloped content test streaming S/MIME format, AES-256 cipher, 3 recipients",
+      [ "-encrypt", "-in", $smcont,
+       "-aes256", "-stream", "-out", "test.cms",
+       catfile($smdir, "smrsa1.pem"),
+       catfile($smdir, "smrsa2.pem"),
+       catfile($smdir, "smrsa3.pem") ],
+      [ "-decrypt", "-recip", catfile($smdir, "smrsa1.pem"),
+       "-in", "test.cms", "-out", "smtst.txt" ]
+    ],
+
+);
+
+my @smime_cms_tests = (
+
+    [ "signed content test streaming BER format, 2 DSA and 2 RSA keys, keyid",
+      [ "-sign", "-in", $smcont, "-outform", "DER", "-nodetach", "-keyid",
+       "-signer", catfile($smdir, "smrsa1.pem"),
+       "-signer", catfile($smdir, "smrsa2.pem"),
+       "-signer", catfile($smdir, "smdsa1.pem"),
+       "-signer", catfile($smdir, "smdsa2.pem"),
+       "-stream", "-out", "test.cms" ],
+      [ "-verify", "-in", "test.cms", "-inform", "DER",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt" ]
+    ],
+
+    [ "signed content test streaming PEM format, 2 DSA and 2 RSA keys",
+      [ "-sign", "-in", $smcont, "-outform", "PEM", "-nodetach",
+       "-signer", catfile($smdir, "smrsa1.pem"),
+       "-signer", catfile($smdir, "smrsa2.pem"),
+       "-signer", catfile($smdir, "smdsa1.pem"),
+       "-signer", catfile($smdir, "smdsa2.pem"),
+       "-stream", "-out", "test.cms" ],
+      [ "-verify", "-in", "test.cms", "-inform", "PEM",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt" ]
+    ],
+
+    [ "signed content MIME format, RSA key, signed receipt request",
+      [ "-sign", "-in", $smcont, "-signer", catfile($smdir, "smrsa1.pem"), "-nodetach",
+       "-receipt_request_to", "test\@openssl.org", "-receipt_request_all",
+       "-out", "test.cms" ],
+      [ "-verify", "-in", "test.cms",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt" ]
+    ],
+
+    [ "signed receipt MIME format, RSA key",
+      [ "-sign_receipt", "-in", "test.cms",
+       "-signer", catfile($smdir, "smrsa2.pem"),
+       "-out", "test2.cms" ],
+      [ "-verify_receipt", "test2.cms", "-in", "test.cms",
+       "-CAfile", catfile($smdir, "smroot.pem") ]
+    ],
+
+    [ "enveloped content test streaming S/MIME format, DES, 3 recipients, keyid",
+      [ "-encrypt", "-in", $smcont,
+       "-stream", "-out", "test.cms", "-keyid",
+       catfile($smdir, "smrsa1.pem"),
+       catfile($smdir, "smrsa2.pem"),
+       catfile($smdir, "smrsa3.pem") ],
+      [ "-decrypt", "-recip", catfile($smdir, "smrsa1.pem"),
+       "-in", "test.cms", "-out", "smtst.txt" ]
+    ],
+
+    [ "enveloped content test streaming PEM format, KEK",
+      [ "-encrypt", "-in", $smcont, "-outform", "PEM", "-aes128",
+       "-stream", "-out", "test.cms",
+       "-secretkey", "000102030405060708090A0B0C0D0E0F",
+       "-secretkeyid", "C0FEE0" ],
+      [ "-decrypt", "-in", "test.cms", "-out", "smtst.txt", "-inform", "PEM",
+       "-secretkey", "000102030405060708090A0B0C0D0E0F",
+       "-secretkeyid", "C0FEE0" ]
+    ],
+
+    [ "enveloped content test streaming PEM format, KEK, key only",
+      [ "-encrypt", "-in", $smcont, "-outform", "PEM", "-aes128",
+       "-stream", "-out", "test.cms",
+       "-secretkey", "000102030405060708090A0B0C0D0E0F",
+       "-secretkeyid", "C0FEE0" ],
+      [ "-decrypt", "-in", "test.cms", "-out", "smtst.txt", "-inform", "PEM",
+       "-secretkey", "000102030405060708090A0B0C0D0E0F" ]
+    ],
+
+    [ "data content test streaming PEM format",
+      [ "-data_create", "-in", $smcont, "-outform", "PEM", "-nodetach",
+       "-stream", "-out", "test.cms" ],
+      [ "-data_out", "-in", "test.cms", "-inform", "PEM", "-out", "smtst.txt" ]
+    ],
+
+    [ "encrypted content test streaming PEM format, 128 bit RC2 key",
+      [ "-EncryptedData_encrypt", "-in", $smcont, "-outform", "PEM",
+       "-rc2", "-secretkey", "000102030405060708090A0B0C0D0E0F",
+       "-stream", "-out", "test.cms" ],
+      [ "-EncryptedData_decrypt", "-in", "test.cms", "-inform", "PEM",
+       "-secretkey", "000102030405060708090A0B0C0D0E0F", "-out", "smtst.txt" ]
+    ],
+
+    [ "encrypted content test streaming PEM format, 40 bit RC2 key",
+      [ "-EncryptedData_encrypt", "-in", $smcont, "-outform", "PEM",
+       "-rc2", "-secretkey", "0001020304",
+       "-stream", "-out", "test.cms" ],
+      [ "-EncryptedData_decrypt", "-in", "test.cms", "-inform", "PEM",
+       "-secretkey", "0001020304", "-out", "smtst.txt" ]
+    ],
+
+    [ "encrypted content test streaming PEM format, triple DES key",
+      [ "-EncryptedData_encrypt", "-in", $smcont, "-outform", "PEM",
+       "-des3", "-secretkey", "000102030405060708090A0B0C0D0E0F1011121314151617",
+       "-stream", "-out", "test.cms" ],
+      [ "-EncryptedData_decrypt", "-in", "test.cms", "-inform", "PEM",
+       "-secretkey", "000102030405060708090A0B0C0D0E0F1011121314151617",
+       "-out", "smtst.txt" ]
+    ],
+
+    [ "encrypted content test streaming PEM format, 128 bit AES key",
+      [ "-EncryptedData_encrypt", "-in", $smcont, "-outform", "PEM",
+       "-aes128", "-secretkey", "000102030405060708090A0B0C0D0E0F",
+       "-stream", "-out", "test.cms" ],
+      [ "-EncryptedData_decrypt", "-in", "test.cms", "-inform", "PEM",
+       "-secretkey", "000102030405060708090A0B0C0D0E0F", "-out", "smtst.txt" ]
+    ],
+
+);
+
+my @smime_cms_comp_tests = (
+
+    [ "compressed content test streaming PEM format",
+      [ "-compress", "-in", $smcont, "-outform", "PEM", "-nodetach",
+       "-stream", "-out", "test.cms" ],
+      [ "-uncompress", "-in", "test.cms", "-inform", "PEM", "-out", "smtst.txt" ]
+    ]
+
+);
+
+my @smime_cms_param_tests = (
+    [ "signed content test streaming PEM format, RSA keys, PSS signature",
+      [ "-sign", "-in", $smcont, "-outform", "PEM", "-nodetach",
+       "-signer", catfile($smdir, "smrsa1.pem"), "-keyopt", "rsa_padding_mode:pss",
+       "-out", "test.cms" ],
+      [ "-verify", "-in", "test.cms", "-inform", "PEM",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt" ]
+    ],
+
+    [ "signed content test streaming PEM format, RSA keys, PSS signature, no attributes",
+      [ "-sign", "-in", $smcont, "-outform", "PEM", "-nodetach", "-noattr",
+       "-signer", catfile($smdir, "smrsa1.pem"), "-keyopt", "rsa_padding_mode:pss",
+       "-out", "test.cms" ],
+      [ "-verify", "-in", "test.cms", "-inform", "PEM",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt" ]
+    ],
+
+    [ "signed content test streaming PEM format, RSA keys, PSS signature, SHA384 MGF1",
+      [ "-sign", "-in", $smcont, "-outform", "PEM", "-nodetach",
+       "-signer", catfile($smdir, "smrsa1.pem"), "-keyopt", "rsa_padding_mode:pss",
+       "-keyopt", "rsa_mgf1_md:sha384", "-out", "test.cms" ],
+      [ "-verify", "-in", "test.cms", "-inform", "PEM",
+       "-CAfile", catfile($smdir, "smroot.pem"), "-out", "smtst.txt" ]
+    ],
+
+    [ "enveloped content test streaming S/MIME format, DES, OAEP default parameters",
+      [ "-encrypt", "-in", $smcont,
+       "-stream", "-out", "test.cms",
+       "-recip", catfile($smdir, "smrsa1.pem"), "-keyopt", "rsa_padding_mode:oaep" ],
+      [ "-decrypt", "-recip", catfile($smdir, "smrsa1.pem"),
+       "-in", "test.cms", "-out", "smtst.txt" ]
+    ],
+
+    [ "enveloped content test streaming S/MIME format, DES, OAEP SHA256",
+      [ "-encrypt", "-in", $smcont,
+       "-stream", "-out", "test.cms",
+       "-recip", catfile($smdir, "smrsa1.pem"), "-keyopt", "rsa_padding_mode:oaep",
+       "-keyopt", "rsa_oaep_md:sha256" ],
+      [ "-decrypt", "-recip", catfile($smdir, "smrsa1.pem"),
+       "-in", "test.cms", "-out", "smtst.txt" ]
+    ],
+
+    [ "enveloped content test streaming S/MIME format, DES, ECDH",
+      [ "-encrypt", "-in", $smcont,
+       "-stream", "-out", "test.cms",
+       "-recip", catfile($smdir, "smec1.pem") ],
+      [ "-decrypt", "-recip", catfile($smdir, "smec1.pem"),
+       "-in", "test.cms", "-out", "smtst.txt" ]
+    ],
+
+    [ "enveloped content test streaming S/MIME format, ECDH, DES, key identifier",
+      [ "-encrypt", "-keyid", "-in", $smcont,
+       "-stream", "-out", "test.cms",
+       "-recip", catfile($smdir, "smec1.pem") ],
+      [ "-decrypt", "-recip", catfile($smdir, "smec1.pem"),
+       "-in", "test.cms", "-out", "smtst.txt" ]
+    ],
+
+    [ "enveloped content test streaming S/MIME format, ECDH, AES128, SHA256 KDF",
+      [ "-encrypt", "-in", $smcont,
+       "-stream", "-out", "test.cms",
+       "-recip", catfile($smdir, "smec1.pem"), "-aes128", "-keyopt", "ecdh_kdf_md:sha256" ],
+      [ "-decrypt", "-recip", catfile($smdir, "smec1.pem"),
+       "-in", "test.cms", "-out", "smtst.txt" ]
+    ],
+
+    [ "enveloped content test streaming S/MIME format, ECDH, K-283, cofactor DH",
+      [ "-encrypt", "-in", $smcont,
+       "-stream", "-out", "test.cms",
+       "-recip", catfile($smdir, "smec2.pem"), "-aes128",
+       "-keyopt", "ecdh_kdf_md:sha256", "-keyopt", "ecdh_cofactor_mode:1" ],
+      [ "-decrypt", "-recip", catfile($smdir, "smec2.pem"),
+       "-in", "test.cms", "-out", "smtst.txt" ]
+    ],
+
+    [ "enveloped content test streaming S/MIME format, X9.42 DH",
+      [ "-encrypt", "-in", $smcont,
+       "-stream", "-out", "test.cms",
+       "-recip", catfile($smdir, "smdh.pem"), "-aes128" ],
+      [ "-decrypt", "-recip", catfile($smdir, "smdh.pem"),
+       "-in", "test.cms", "-out", "smtst.txt" ]
+    ]
+    );
+
+subtest "CMS => PKCS#7 compatibility tests\n" => sub {
+    plan tests => scalar @smime_pkcs7_tests;
+
+    foreach (@smime_pkcs7_tests) {
+      SKIP: {
+         my $skip_reason = check_availability($$_[0]);
+         skip $skip_reason, 1 if $skip_reason;
+
+         ok(run(app(["openssl", "cms", @{$$_[1]}]))
+            && run(app(["openssl", "smime", @{$$_[2]}]))
+            && compare_text($smcont, "smtst.txt") == 0,
+            $$_[0]);
+       }
+    }
+};
+subtest "CMS <= PKCS#7 compatibility tests\n" => sub {
+    plan tests => scalar @smime_pkcs7_tests;
+
+    foreach (@smime_pkcs7_tests) {
+      SKIP: {
+         my $skip_reason = check_availability($$_[0]);
+         skip $skip_reason, 1 if $skip_reason;
+
+         ok(run(app(["openssl", "smime", @{$$_[1]}]))
+            && run(app(["openssl", "cms", @{$$_[2]}]))
+            && compare_text($smcont, "smtst.txt") == 0,
+            $$_[0]);
+       }
+    }
+};
+
+subtest "CMS <=> CMS consistency tests\n" => sub {
+    plan tests => (scalar @smime_pkcs7_tests) + (scalar @smime_cms_tests);
+
+    foreach (@smime_pkcs7_tests) {
+      SKIP: {
+         my $skip_reason = check_availability($$_[0]);
+         skip $skip_reason, 1 if $skip_reason;
+
+         ok(run(app(["openssl", "cms", @{$$_[1]}]))
+            && run(app(["openssl", "cms", @{$$_[2]}]))
+            && compare_text($smcont, "smtst.txt") == 0,
+            $$_[0]);
+       }
+    }
+    foreach (@smime_cms_tests) {
+      SKIP: {
+         my $skip_reason = check_availability($$_[0]);
+         skip $skip_reason, 1 if $skip_reason;
+
+         ok(run(app(["openssl", "cms", @{$$_[1]}]))
+            && run(app(["openssl", "cms", @{$$_[2]}]))
+            && compare_text($smcont, "smtst.txt") == 0,
+            $$_[0]);
+       }
+    }
+};
+
+subtest "CMS <=> CMS consistency tests, modified key parameters\n" => sub {
+    plan tests =>
+       (scalar @smime_cms_param_tests) + (scalar @smime_cms_comp_tests);
+
+    foreach (@smime_cms_param_tests) {
+      SKIP: {
+         my $skip_reason = check_availability($$_[0]);
+         skip $skip_reason, 1 if $skip_reason;
+
+         ok(run(app(["openssl", "cms", @{$$_[1]}]))
+            && run(app(["openssl", "cms", @{$$_[2]}]))
+            && compare_text($smcont, "smtst.txt") == 0,
+            $$_[0]);
+       }
+    }
+
+  SKIP: {
+      skip("Zlib not supported: compression tests skipped",
+          scalar @smime_cms_comp_tests)
+         if $no_zlib;
+
+      foreach (@smime_cms_comp_tests) {
+       SKIP: {
+           my $skip_reason = check_availability($$_[0]);
+           skip $skip_reason, 1 if $skip_reason;
+
+           ok(run(app(["openssl", "cms", @{$$_[1]}]))
+              && run(app(["openssl", "cms", @{$$_[2]}]))
+              && compare_text($smcont, "smtst.txt") == 0,
+              $$_[0]);
+         }
+      }
+    }
+};
+
+unlink "test.cms";
+unlink "test2.cms";
+unlink "smtst.txt";
+
+sub check_availability {
+    my $tnam = shift;
+
+    return "$tnam: skipped, EC disabled\n"
+        if ($no_ec && $tnam =~ /ECDH/);
+    return "$tnam: skipped, ECDH disabled\n"
+        if ($no_ec && $tnam =~ /ECDH/);
+    return "$tnam: skipped, EC2M disabled\n"
+        if ($no_ec2m && $tnam =~ /K-283/);
+    return "$tnam: skipped, DH disabled\n"
+        if ($no_dh && $tnam =~ /X9\.42/);
+    return "$tnam: skipped, RC2 disabled\n"
+        if ($no_rc2 && $tnam =~ /RC2/);
+    return "$tnam: skipped, DES disabled\n"
+        if ($no_des && $tnam =~ /DES/);
+    return "$tnam: skipped, DSA disabled\n"
+        if ($no_dsa && $tnam =~ / DSA/);
+
+    return "";
+}