diff --git a/quic/test_tools/test_certificates.h b/quic/test_tools/test_certificates.h
new file mode 100644
index 0000000..ec4a4d4
--- /dev/null
+++ b/quic/test_tools/test_certificates.h
@@ -0,0 +1,45 @@
+// Copyright 2020 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef QUICHE_QUIC_TEST_TOOLS_TEST_CERTIFICATES_H_
+#define QUICHE_QUIC_TEST_TOOLS_TEST_CERTIFICATES_H_
+
+#include "net/third_party/quiche/src/quic/platform/api/quic_macros.h"
+#include "net/third_party/quiche/src/common/platform/api/quiche_string_piece.h"
+
+namespace quic {
+namespace test {
+
+// A test certificate generated by //net/tools/quic/certs/generate-certs.sh.
+QUIC_CONST_INIT extern const quiche::QuicheStringPiece kTestCertificate;
+
+// PEM-encoded version of |kTestCertificate|.
+QUIC_CONST_INIT extern const char kTestCertificatePem[];
+
+// |kTestCertificatePem| with a PEM-encoded root appended to the end.
+QUIC_CONST_INIT extern const char kTestCertificateChainPem[];
+
+// DER-encoded private key for |kTestCertificate|.
+QUIC_CONST_INIT extern const quiche::QuicheStringPiece
+    kTestCertificatePrivateKey;
+
+// PEM-encoded version of |kTestCertificatePrivateKey|.
+QUIC_CONST_INIT extern const char kTestCertificatePrivateKeyPem[];
+
+// The legacy PEM-encoded version of |kTestCertificatePrivateKey| manually
+// generated from the one above using der2ascii.
+QUIC_CONST_INIT extern const char kTestCertificatePrivateKeyLegacyPem[];
+
+// Another DER-encoded test certificate, valid for foo.test, www.foo.test and
+// *.wildcard.test.
+QUIC_CONST_INIT extern const quiche::QuicheStringPiece kWildcardCertificate;
+
+// DER-encoded private key for |kWildcardCertificate|.
+QUIC_CONST_INIT extern const quiche::QuicheStringPiece
+    kWildcardCertificatePrivateKey;
+
+}  // namespace test
+}  // namespace quic
+
+#endif  // QUICHE_QUIC_TEST_TOOLS_TEST_CERTIFICATES_H_