diff --git a/ssl_certificate.t b/ssl_certificate.t
new file mode 100644
index 0000000..077b5ec
--- /dev/null
+++ b/ssl_certificate.t
@@ -0,0 +1,219 @@
+#!/usr/bin/perl
+
+# (C) Sergey Kandaurov
+# (C) Nginx, Inc.
+
+# Tests for http ssl module with dynamic certificates.
+
+###############################################################################
+
+use warnings;
+use strict;
+
+use Test::More;
+
+use Socket qw/ :DEFAULT CRLF /;
+
+BEGIN { use FindBin; chdir($FindBin::Bin); }
+
+use lib 'lib';
+use Test::Nginx;
+
+###############################################################################
+
+select STDERR; $| = 1;
+select STDOUT; $| = 1;
+
+eval {
+	require Net::SSLeay;
+	Net::SSLeay::load_error_strings();
+	Net::SSLeay::SSLeay_add_ssl_algorithms();
+	Net::SSLeay::randomize();
+};
+plan(skip_all => 'Net::SSLeay not installed') if $@;
+
+eval {
+	my $ctx = Net::SSLeay::CTX_new() or die;
+	my $ssl = Net::SSLeay::new($ctx) or die;
+	Net::SSLeay::set_tlsext_host_name($ssl, 'example.org') == 1 or die;
+};
+plan(skip_all => 'Net::SSLeay with OpenSSL SNI support required') if $@;
+
+my $t = Test::Nginx->new()->has(qw/http http_ssl geo/)
+	->has_daemon('openssl');
+
+$t->{_configure_args} =~ /OpenSSL ([\d\.]+)/;
+plan(skip_all => 'OpenSSL too old') unless defined $1 and $1 ge '1.0.2';
+
+$t->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+
+events {
+}
+
+http {
+    %%TEST_GLOBALS_HTTP%%
+
+    geo $one {
+        default one;
+    }
+
+    geo $two {
+        default two;
+    }
+
+    geo $pass {
+        default pass;
+    }
+
+    add_header X-SSL $ssl_server_name:$ssl_session_reused;
+    ssl_session_cache shared:SSL:1m;
+    ssl_session_tickets off;
+
+    server {
+        listen       127.0.0.1:8080 ssl;
+        server_name  default;
+
+        ssl_certificate $one.crt;
+        ssl_certificate_key $one.key;
+    }
+
+    server {
+        listen       127.0.0.1:8080 ssl;
+        server_name  virtual;
+
+        # found in key
+        ssl_certificate $two.crt;
+        ssl_certificate_key $two.key;
+    }
+
+    server {
+        listen       127.0.0.1:8080 ssl;
+        server_name  no_ctx;
+    }
+
+    server {
+        listen       127.0.0.1:8083 ssl;
+        server_name  password;
+
+        # found in key
+        ssl_certificate pass.crt;
+        ssl_certificate_key $pass.key;
+        ssl_password_file password_file;
+    }
+
+    server {
+        listen       127.0.0.1:8081 ssl;
+        server_name  default;
+
+        ssl_certificate $one.crt;
+        ssl_certificate_key $one.key;
+    }
+
+    server {
+        listen       127.0.0.1:8082 ssl;
+        server_name  default;
+
+        ssl_certificate $two.crt;
+        ssl_certificate_key $two.key;
+    }
+}
+
+EOF
+
+$t->write_file('openssl.conf', <<EOF);
+[ req ]
+default_bits = 1024
+encrypt_key = no
+distinguished_name = req_distinguished_name
+[ req_distinguished_name ]
+EOF
+
+my $d = $t->testdir();
+
+foreach my $name ('one', 'two') {
+	system('openssl req -x509 -new '
+		. "-config $d/openssl.conf -subj /CN=$name/ "
+		. "-out $d/$name.crt -keyout $d/$name.key "
+		. ">>$d/openssl.out 2>&1") == 0
+		or die "Can't create certificate for $name: $!\n";
+}
+
+foreach my $name ('pass') {
+	system("openssl genrsa -out $d/$name.key -passout pass:pass "
+		. "-aes128 1024 >>$d/openssl.out 2>&1") == 0
+		or die "Can't create $name key: $!\n";
+	system("openssl req -x509 -new -config $d/openssl.conf "
+		. "-subj /CN=$name/ -out $d/$name.crt -key $d/$name.key "
+		. "-passin pass:pass >>$d/openssl.out 2>&1") == 0
+		or die "Can't create $name certificate: $!\n";
+}
+
+$t->write_file('password_file', 'pass');
+$t->write_file('index.html', '');
+
+$t->try_run('no ssl_certificate variables')->plan(10);
+
+###############################################################################
+
+like(cert('default', 8080), qr/CN=one/, 'default certificate');
+like(get('default', 8080), qr/default/, 'default context');
+
+like(cert('virtual', 8080), qr/CN=two/, 'virtual server certificate');
+like(get('virtual', 8080), qr/virtual/, 'virtual server context');
+
+like(cert('no_ctx', 8080), qr/CN=one/, 'certificate - no context');
+like(get('no_ctx', 8080), qr/no_ctx/, 'virtual server - no context');
+
+like(get('password', 8083), qr/password/, 'ssl_password_file');
+
+# session reuse
+
+my ($s, $ssl) = get_ssl_socket('default', 8080);
+my $ses = Net::SSLeay::get_session($ssl);
+
+like(get('default', 8080, $ses), qr/default:r/, 'session reused');
+like(get('default', 8081, $ses), qr/default:r/, 'session id context match');
+like(get('default', 8082, $ses), qr/default:\./, 'session id context distinct');
+
+###############################################################################
+
+sub get {
+	my ($host, $port, $ctx) = @_;
+	my ($s, $ssl) = get_ssl_socket($host, $port, $ctx) or return;
+	Net::SSLeay::write($ssl, 'GET / HTTP/1.0' . CRLF . CRLF);
+	my $r = Net::SSLeay::read($ssl);
+	$s->close();
+	return $r;
+}
+
+sub cert {
+	my ($host, $port, $ctx) = @_;
+	my ($s, $ssl) = get_ssl_socket($host, $port, $ctx) or return;
+	Net::SSLeay::dump_peer_certificate($ssl);
+}
+
+sub get_ssl_socket {
+	my ($host, $port, $ses) = @_;
+	my $s;
+
+	my $dest_ip = inet_aton('127.0.0.1');
+	$port = port($port);
+	my $dest_serv_params = sockaddr_in($port, $dest_ip);
+
+	socket($s, &AF_INET, &SOCK_STREAM, 0) or die "socket: $!";
+	connect($s, $dest_serv_params) or die "connect: $!";
+
+	my $ctx = Net::SSLeay::CTX_new() or die("Failed to create SSL_CTX $!");
+	my $ssl = Net::SSLeay::new($ctx) or die("Failed to create SSL $!");
+	Net::SSLeay::set_tlsext_host_name($ssl, $host);
+	Net::SSLeay::set_session($ssl, $ses) if defined $ses;
+	Net::SSLeay::set_fd($ssl, fileno($s));
+	Net::SSLeay::connect($ssl) or die("ssl connect");
+	return ($s, $ssl);
+}
+
+###############################################################################
diff --git a/stream_ssl_certificate.t b/stream_ssl_certificate.t
new file mode 100644
index 0000000..8b3b8ee
--- /dev/null
+++ b/stream_ssl_certificate.t
@@ -0,0 +1,199 @@
+#!/usr/bin/perl
+
+# (C) Sergey Kandaurov
+# (C) Nginx, Inc.
+
+# Tests for stream ssl module with dynamic certificates.
+
+###############################################################################
+
+use warnings;
+use strict;
+
+use Test::More;
+
+use Socket qw/ :DEFAULT CRLF /;
+
+BEGIN { use FindBin; chdir($FindBin::Bin); }
+
+use lib 'lib';
+use Test::Nginx;
+
+###############################################################################
+
+select STDERR; $| = 1;
+select STDOUT; $| = 1;
+
+eval {
+	require Net::SSLeay;
+	Net::SSLeay::load_error_strings();
+	Net::SSLeay::SSLeay_add_ssl_algorithms();
+	Net::SSLeay::randomize();
+};
+plan(skip_all => 'Net::SSLeay not installed') if $@;
+
+eval {
+	my $ctx = Net::SSLeay::CTX_new() or die;
+	my $ssl = Net::SSLeay::new($ctx) or die;
+	Net::SSLeay::set_tlsext_host_name($ssl, 'example.org') == 1 or die;
+};
+plan(skip_all => 'Net::SSLeay with OpenSSL SNI support required') if $@;
+
+my $t = Test::Nginx->new()->has(qw/stream stream_ssl stream_geo stream_return/)
+	->has_daemon('openssl');
+
+$t->{_configure_args} =~ /OpenSSL ([\d\.]+)/;
+plan(skip_all => 'OpenSSL too old') unless defined $1 and $1 ge '1.0.2';
+
+$t->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+
+events {
+}
+
+stream {
+    geo $one {
+        default one;
+    }
+
+    geo $two {
+        default two;
+    }
+
+    geo $pass {
+        default pass;
+    }
+
+    ssl_session_cache shared:SSL:1m;
+    ssl_session_tickets off;
+
+    server {
+        listen       127.0.0.1:8080 ssl;
+        return       $ssl_server_name:$ssl_session_reused;
+
+        ssl_certificate $one.crt;
+        ssl_certificate_key $one.key;
+    }
+
+    server {
+        listen       127.0.0.1:8083 ssl;
+        return       $ssl_server_name:$ssl_session_reused;
+
+        # found in key
+        ssl_certificate pass.crt;
+        ssl_certificate_key $pass.key;
+        ssl_password_file password_file;
+    }
+
+    server {
+        listen       127.0.0.1:8081 ssl;
+        return       $ssl_server_name:$ssl_session_reused;
+
+        ssl_certificate $one.crt;
+        ssl_certificate_key $one.key;
+    }
+
+    server {
+        listen       127.0.0.1:8082 ssl;
+        return       $ssl_server_name:$ssl_session_reused;
+
+        ssl_certificate $two.crt;
+        ssl_certificate_key $two.key;
+    }
+}
+
+EOF
+
+$t->write_file('openssl.conf', <<EOF);
+[ req ]
+default_bits = 1024
+encrypt_key = no
+distinguished_name = req_distinguished_name
+[ req_distinguished_name ]
+EOF
+
+my $d = $t->testdir();
+
+foreach my $name ('one', 'two') {
+	system('openssl req -x509 -new '
+		. "-config $d/openssl.conf -subj /CN=$name/ "
+		. "-out $d/$name.crt -keyout $d/$name.key "
+		. ">>$d/openssl.out 2>&1") == 0
+		or die "Can't create certificate for $name: $!\n";
+}
+
+foreach my $name ('pass') {
+	system("openssl genrsa -out $d/$name.key -passout pass:pass "
+		. "-aes128 1024 >>$d/openssl.out 2>&1") == 0
+		or die "Can't create $name key: $!\n";
+	system("openssl req -x509 -new -config $d/openssl.conf "
+		. "-subj /CN=$name/ -out $d/$name.crt -key $d/$name.key "
+		. "-passin pass:pass >>$d/openssl.out 2>&1") == 0
+		or die "Can't create $name certificate: $!\n";
+}
+
+$t->write_file('password_file', 'pass');
+$t->write_file('index.html', '');
+
+$t->try_run('no ssl_certificate variables')->plan(6);
+
+###############################################################################
+
+like(cert('default', 8080), qr/CN=one/, 'default certificate');
+like(get('default', 8080), qr/default/, 'default context');
+
+like(get('password', 8083), qr/password/, 'ssl_password_file');
+
+# session reuse
+
+my ($s, $ssl) = get_ssl_socket('default', 8080);
+my $ses = Net::SSLeay::get_session($ssl);
+
+like(get('default', 8080, $ses), qr/:r/, 'session reused');
+
+# do not check $ssl_server_name, since stream doesn't install SNI callback
+# see for more details: https://github.com/openssl/openssl/issues/7014
+
+like(get('default', 8081, $ses), qr/:r/, 'session id context match');
+like(get('default', 8082, $ses), qr/:\./, 'session id context distinct');
+
+###############################################################################
+
+sub get {
+	my ($host, $port, $ctx) = @_;
+	my ($s, $ssl) = get_ssl_socket($host, $port, $ctx) or return;
+	my $r = Net::SSLeay::read($ssl);
+	$s->close();
+	return $r;
+}
+
+sub cert {
+	my ($host, $port, $ctx) = @_;
+	my ($s, $ssl) = get_ssl_socket($host, $port, $ctx) or return;
+	Net::SSLeay::dump_peer_certificate($ssl);
+}
+
+sub get_ssl_socket {
+	my ($host, $port, $ses) = @_;
+	my $s;
+
+	my $dest_ip = inet_aton('127.0.0.1');
+	$port = port($port);
+	my $dest_serv_params = sockaddr_in($port, $dest_ip);
+
+	socket($s, &AF_INET, &SOCK_STREAM, 0) or die "socket: $!";
+	connect($s, $dest_serv_params) or die "connect: $!";
+
+	my $ctx = Net::SSLeay::CTX_new() or die("Failed to create SSL_CTX $!");
+	my $ssl = Net::SSLeay::new($ctx) or die("Failed to create SSL $!");
+	Net::SSLeay::set_tlsext_host_name($ssl, $host);
+	Net::SSLeay::set_session($ssl, $ses) if defined $ses;
+	Net::SSLeay::set_fd($ssl, fileno($s));
+	Net::SSLeay::connect($ssl) or die("ssl connect");
+	return ($s, $ssl);
+}
+
+###############################################################################