Commit 9e6a3202 authored by Matt Caswell's avatar Matt Caswell
Browse files

Add a test for mismatch between key OID and sig alg

parent 11d2641f
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+43 −17
Original line number Diff line number Diff line
@@ -53,12 +53,12 @@ use constant {

#Test 1: Default sig algs should succeed
$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
plan tests => 21;
plan tests => 22;
ok(TLSProxy::Message->success, "Default sigalgs");
my $testtype;

SKIP: {
    skip "TLSv1.3 disabled", 5 if disabled("tls1_3");
    skip "TLSv1.3 disabled", 6 if disabled("tls1_3");

    $proxy->filter(\&sigalgs_filter);

@@ -94,12 +94,21 @@ SKIP: {
    $testtype = PSS_ONLY_SIG_ALGS;
    $proxy->start();
    ok(TLSProxy::Message->success, "PSS only sigalgs in TLSv1.3");

    #Test 7: Modify the CertificateVerify sigalg from rsa_pss_rsae_sha256 to
    #        rsa_pss_pss_sha256. This should fail because the public key OID
    #        in the certificate is rsaEncryption and not rsassaPss
    $proxy->filter(\&modify_cert_verify_sigalg);
    $proxy->clear();
    $proxy->start();
    ok(TLSProxy::Message->fail,
       "Mismatch between CertVerify sigalg and public key OID");
}

SKIP: {
    skip "EC or TLSv1.3 disabled", 1
        if disabled("tls1_3") || disabled("ec");
    #Test 7: Sending a valid sig algs list but not including a sig type that
    #Test 8: Sending a valid sig algs list but not including a sig type that
    #        matches the certificate should fail in TLSv1.3.
    $proxy->clear();
    $proxy->clientflags("-sigalgs ECDSA+SHA256");
@@ -112,7 +121,7 @@ SKIP: {
    skip "EC, TLSv1.3 or TLSv1.2 disabled", 1
        if disabled("tls1_2") || disabled("tls1_3") || disabled("ec");

    #Test 8: Sending a full list of TLSv1.3 sig algs but negotiating TLSv1.2
    #Test 9: Sending a full list of TLSv1.3 sig algs but negotiating TLSv1.2
    #        should succeed
    $proxy->clear();
    $proxy->serverflags("-no_tls1_3");
@@ -127,7 +136,7 @@ SKIP: {

    $proxy->filter(\&sigalgs_filter);

    #Test 9: Sending no sig algs extension in TLSv1.2 should succeed
    #Test 10: Sending no sig algs extension in TLSv1.2 should succeed
    $proxy->clear();
    $testtype = NO_SIG_ALGS_EXT;
    $proxy->clientflags("-no_tls1_3");
@@ -135,7 +144,7 @@ SKIP: {
    $proxy->start();
    ok(TLSProxy::Message->success, "No TLSv1.2 sigalgs");

    #Test 10: Sending an empty sig algs extension in TLSv1.2 should fail
    #Test 11: Sending an empty sig algs extension in TLSv1.2 should fail
    $proxy->clear();
    $testtype = EMPTY_SIG_ALGS_EXT;
    $proxy->clientflags("-no_tls1_3");
@@ -143,7 +152,7 @@ SKIP: {
    $proxy->start();
    ok(TLSProxy::Message->fail, "Empty TLSv1.2 sigalgs");

    #Test 11: Sending a list with no recognised sig algs in TLSv1.2 should fail
    #Test 12: Sending a list with no recognised sig algs in TLSv1.2 should fail
    $proxy->clear();
    $testtype = NO_KNOWN_SIG_ALGS;
    $proxy->clientflags("-no_tls1_3");
@@ -151,7 +160,7 @@ SKIP: {
    $proxy->start();
    ok(TLSProxy::Message->fail, "No known TLSv1.3 sigalgs");

    #Test 12: Sending a sig algs list without pss for an RSA cert in TLSv1.2
    #Test 13: Sending a sig algs list without pss for an RSA cert in TLSv1.2
    #         should succeed
    $proxy->clear();
    $testtype = NO_PSS_SIG_ALGS;
@@ -160,7 +169,7 @@ SKIP: {
    $proxy->start();
    ok(TLSProxy::Message->success, "No PSS TLSv1.2 sigalgs");

    #Test 13: Sending only TLSv1.3 PSS sig algs in TLSv1.2 should succeed
    #Test 14: Sending only TLSv1.3 PSS sig algs in TLSv1.2 should succeed
    $proxy->clear();
    $testtype = PSS_ONLY_SIG_ALGS;
    $proxy->serverflags("-no_tls1_3");
@@ -168,7 +177,7 @@ SKIP: {
    $proxy->start();
    ok(TLSProxy::Message->success, "PSS only sigalgs in TLSv1.2");

    #Test 14: Responding with a sig alg we did not send in TLSv1.2 should fail
    #Test 15: Responding with a sig alg we did not send in TLSv1.2 should fail
    #         We send rsa_pkcs1_sha256 and respond with rsa_pss_rsae_sha256
    #         TODO(TLS1.3): Add a similar test to the TLSv1.3 section above
    #         when we have an API capable of configuring the TLSv1.3 sig algs
@@ -179,7 +188,7 @@ SKIP: {
    $proxy->start();
    ok(TLSProxy::Message->fail, "Sigalg we did not send in TLSv1.2");

    #Test 15: Sending a valid sig algs list but not including a sig type that
    #Test 16: Sending a valid sig algs list but not including a sig type that
    #         matches the certificate should fail in TLSv1.2
    $proxy->clear();
    $proxy->clientflags("-no_tls1_3 -sigalgs ECDSA+SHA256");
@@ -189,7 +198,7 @@ SKIP: {
    ok(TLSProxy::Message->fail, "No matching TLSv1.2 sigalgs");
    $proxy->filter(\&sigalgs_filter);

    #Test 16: No sig algs extension, ECDSA cert, TLSv1.2 should succeed
    #Test 17: No sig algs extension, ECDSA cert, TLSv1.2 should succeed
    $proxy->clear();
    $testtype = NO_SIG_ALGS_EXT;
    $proxy->clientflags("-no_tls1_3");
@@ -205,7 +214,7 @@ SKIP: {
my ($dsa_status, $sha1_status, $sha224_status);
SKIP: {
    skip "TLSv1.3 disabled", 2 if disabled("tls1_3") || disabled("dsa");
    #Test 17: signature_algorithms with 1.3-only ClientHello
    #Test 18: signature_algorithms with 1.3-only ClientHello
    $testtype = PURE_SIGALGS;
    $dsa_status = $sha1_status = $sha224_status = 0;
    $proxy->clear();
@@ -215,7 +224,7 @@ SKIP: {
    ok($dsa_status && $sha1_status && $sha224_status,
       "DSA/SHA2 sigalg sent for 1.3-only ClientHello");

    #Test 18: signature_algorithms with backwards compatible ClientHello
    #Test 19: signature_algorithms with backwards compatible ClientHello
    SKIP: {
        skip "TLSv1.2 disabled", 1 if disabled("tls1_2");
        $testtype = COMPAT_SIGALGS;
@@ -230,21 +239,21 @@ SKIP: {

SKIP: {
    skip "TLSv1.3 disabled", 3 if disabled("tls1_3");
    #Test 19: Insert signature_algorithms_cert that match normal sigalgs
    #Test 20: Insert signature_algorithms_cert that match normal sigalgs
    $testtype = SIGALGS_CERT_ALL;
    $proxy->clear();
    $proxy->filter(\&modify_sigalgs_cert_filter);
    $proxy->start();
    ok(TLSProxy::Message->success, "sigalgs_cert in TLSv1.3");

    #Test 19: Insert signature_algorithms_cert that forces PKCS#1 cert
    #Test 21: Insert signature_algorithms_cert that forces PKCS#1 cert
    $testtype = SIGALGS_CERT_PKCS;
    $proxy->clear();
    $proxy->filter(\&modify_sigalgs_cert_filter);
    $proxy->start();
    ok(TLSProxy::Message->success, "sigalgs_cert in TLSv1.3 with PKCS#1 cert");

    #Test 19: Insert signature_algorithms_cert that fails
    #Test 22: Insert signature_algorithms_cert that fails
    $testtype = SIGALGS_CERT_INVALID;
    $proxy->clear();
    $proxy->filter(\&modify_sigalgs_cert_filter);
@@ -380,3 +389,20 @@ sub modify_sigalgs_cert_filter
        }
    }
}

sub modify_cert_verify_sigalg
{
    my $proxy = shift;

    # We're only interested in the CertificateVerify
    if ($proxy->flight != 1) {
        return;
    }

    foreach my $message (@{$proxy->message_list}) {
        if ($message->mt == TLSProxy::Message::MT_CERTIFICATE_VERIFY) {
            $message->sigalg(TLSProxy::Message::SIG_ALG_RSA_PSS_PSS_SHA256);
            $message->repack();
        }
    }
}
+6 −3
Original line number Diff line number Diff line
@@ -103,11 +103,14 @@ use constant {
    SIG_ALG_ECDSA_SECP256R1_SHA256 => 0x0403,
    SIG_ALG_ECDSA_SECP384R1_SHA384 => 0x0503,
    SIG_ALG_ECDSA_SECP521R1_SHA512 => 0x0603,
    SIG_ALG_RSA_PSS_SHA256 => 0x0804,
    SIG_ALG_RSA_PSS_SHA384 => 0x0805,
    SIG_ALG_RSA_PSS_SHA512 => 0x0806,
    SIG_ALG_RSA_PSS_RSAE_SHA256 => 0x0804,
    SIG_ALG_RSA_PSS_RSAE_SHA384 => 0x0805,
    SIG_ALG_RSA_PSS_RSAE_SHA512 => 0x0806,
    SIG_ALG_ED25519 => 0x0807,
    SIG_ALG_ED448 => 0x0808,
    SIG_ALG_RSA_PSS_PSS_SHA256 => 0x0809,
    SIG_ALG_RSA_PSS_PSS_SHA384 => 0x080a,
    SIG_ALG_RSA_PSS_PSS_SHA512 => 0x080b,
    SIG_ALG_RSA_PKCS1_SHA1 => 0x0201,
    SIG_ALG_ECDSA_SHA1 => 0x0203,
    SIG_ALG_DSA_SHA1 => 0x0202,