Project import generated by Copybara.
PiperOrigin-RevId: 237361882
Change-Id: I109a68f44db867b20f8c6a7732b0ce657133e52a
diff --git a/quic/core/crypto/quic_hkdf_test.cc b/quic/core/crypto/quic_hkdf_test.cc
new file mode 100644
index 0000000..f8c53c6
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+++ b/quic/core/crypto/quic_hkdf_test.cc
@@ -0,0 +1,90 @@
+// Copyright 2018 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.
+
+#include "net/third_party/quiche/src/quic/core/crypto/quic_hkdf.h"
+
+#include "net/third_party/quiche/src/quic/platform/api/quic_arraysize.h"
+#include "net/third_party/quiche/src/quic/platform/api/quic_string.h"
+#include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
+#include "net/third_party/quiche/src/quic/platform/api/quic_text_utils.h"
+
+namespace quic {
+namespace test {
+namespace {
+
+struct HKDFInput {
+ const char* key_hex;
+ const char* salt_hex;
+ const char* info_hex;
+ const char* output_hex;
+};
+
+// These test cases are taken from
+// https://tools.ietf.org/html/rfc5869#appendix-A.
+static const HKDFInput kHKDFInputs[] = {
+ {
+ "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
+ "000102030405060708090a0b0c",
+ "f0f1f2f3f4f5f6f7f8f9",
+ "3cb25f25faacd57a90434f64d0362f2a2d2d0a90cf1a5a4c5db02d56ecc4c5bf340072"
+ "08d5"
+ "b887185865",
+ },
+ {
+ "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122"
+ "2324"
+ "25262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f4041424344454647"
+ "4849"
+ "4a4b4c4d4e4f",
+ "606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f808182"
+ "8384"
+ "85868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7"
+ "a8a9"
+ "aaabacadaeaf",
+ "b0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2"
+ "d3d4"
+ "d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7"
+ "f8f9"
+ "fafbfcfdfeff",
+ "b11e398dc80327a1c8e7f78c596a49344f012eda2d4efad8a050cc4c19afa97c59045a"
+ "99ca"
+ "c7827271cb41c65e590e09da3275600c2f09b8367793a9aca3db71cc30c58179ec3e87"
+ "c14c"
+ "01d5c1f3434f1d87",
+ },
+ {
+ "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
+ "",
+ "",
+ "8da4e775a563c18f715f802a063c5a31b8a11f5c5ee1879ec3454e5f3c738d2d9d2013"
+ "95fa"
+ "a4b61a96c8",
+ },
+};
+
+class QuicHKDFTest : public QuicTest {};
+
+TEST_F(QuicHKDFTest, HKDF) {
+ for (size_t i = 0; i < QUIC_ARRAYSIZE(kHKDFInputs); i++) {
+ const HKDFInput& test(kHKDFInputs[i]);
+ SCOPED_TRACE(i);
+
+ const QuicString key = QuicTextUtils::HexDecode(test.key_hex);
+ const QuicString salt = QuicTextUtils::HexDecode(test.salt_hex);
+ const QuicString info = QuicTextUtils::HexDecode(test.info_hex);
+ const QuicString expected = QuicTextUtils::HexDecode(test.output_hex);
+
+ // We set the key_length to the length of the expected output and then take
+ // the result from the first key, which is the client write key.
+ QuicHKDF hkdf(key, salt, info, expected.size(), 0, 0);
+
+ ASSERT_EQ(expected.size(), hkdf.client_write_key().size());
+ EXPECT_EQ(0, memcmp(expected.data(), hkdf.client_write_key().data(),
+ expected.size()));
+ }
+}
+
+} // namespace
+} // namespace test
+} // namespace quic
