summaryrefslogtreecommitdiff
path: root/nss/gtests/ssl_gtest/tls_hkdf_unittest.cc
diff options
context:
space:
mode:
Diffstat (limited to 'nss/gtests/ssl_gtest/tls_hkdf_unittest.cc')
-rw-r--r--nss/gtests/ssl_gtest/tls_hkdf_unittest.cc262
1 files changed, 262 insertions, 0 deletions
diff --git a/nss/gtests/ssl_gtest/tls_hkdf_unittest.cc b/nss/gtests/ssl_gtest/tls_hkdf_unittest.cc
new file mode 100644
index 0000000..51ff938
--- /dev/null
+++ b/nss/gtests/ssl_gtest/tls_hkdf_unittest.cc
@@ -0,0 +1,262 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <memory>
+#include "nss.h"
+#include "pk11pub.h"
+#include "tls13hkdf.h"
+
+#include "databuffer.h"
+#include "gtest_utils.h"
+#include "scoped_ptrs.h"
+
+namespace nss_test {
+
+const uint8_t kKey1Data[] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
+ 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
+ 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f};
+const DataBuffer kKey1(kKey1Data, sizeof(kKey1Data));
+
+// The same as key1 but with the first byte
+// 0x01.
+const uint8_t kKey2Data[] = {
+ 0x01, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
+ 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
+ 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f};
+const DataBuffer kKey2(kKey2Data, sizeof(kKey2Data));
+
+const char kLabelMasterSecret[] = "master secret";
+
+const uint8_t kSessionHash[] = {
+ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb,
+ 0xfc, 0xfd, 0xfe, 0xff, 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
+ 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xd0, 0xd1, 0xd2, 0xd3,
+ 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
+ 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb,
+ 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
+ 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0xe0, 0xe1, 0xe2, 0xe3,
+ 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
+ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb,
+ 0xfc, 0xfd, 0xfe, 0xff,
+};
+
+const size_t kHashLength[] = {
+ 0, /* ssl_hash_none */
+ 16, /* ssl_hash_md5 */
+ 20, /* ssl_hash_sha1 */
+ 28, /* ssl_hash_sha224 */
+ 32, /* ssl_hash_sha256 */
+ 48, /* ssl_hash_sha384 */
+ 64, /* ssl_hash_sha512 */
+};
+
+const std::string kHashName[] = {"None", "MD5", "SHA-1", "SHA-224",
+ "SHA-256", "SHA-384", "SHA-512"};
+
+static void ImportKey(ScopedPK11SymKey* to, const DataBuffer& key,
+ PK11SlotInfo* slot) {
+ SECItem key_item = {siBuffer, const_cast<uint8_t*>(key.data()),
+ static_cast<unsigned int>(key.len())};
+
+ PK11SymKey* inner =
+ PK11_ImportSymKey(slot, CKM_SSL3_MASTER_KEY_DERIVE, PK11_OriginUnwrap,
+ CKA_DERIVE, &key_item, NULL);
+ ASSERT_NE(nullptr, inner);
+ to->reset(inner);
+}
+
+static void DumpData(const std::string& label, const uint8_t* buf, size_t len) {
+ DataBuffer d(buf, len);
+
+ std::cerr << label << ": " << d << std::endl;
+}
+
+void DumpKey(const std::string& label, ScopedPK11SymKey& key) {
+ SECStatus rv = PK11_ExtractKeyValue(key.get());
+ ASSERT_EQ(SECSuccess, rv);
+
+ SECItem* key_data = PK11_GetKeyData(key.get());
+ ASSERT_NE(nullptr, key_data);
+
+ DumpData(label, key_data->data, key_data->len);
+}
+
+extern "C" {
+extern char ssl_trace;
+extern FILE* ssl_trace_iob;
+}
+
+class TlsHkdfTest : public ::testing::Test,
+ public ::testing::WithParamInterface<SSLHashType> {
+ public:
+ TlsHkdfTest()
+ : k1_(), k2_(), hash_type_(GetParam()), slot_(PK11_GetInternalSlot()) {
+ EXPECT_NE(nullptr, slot_);
+ char* ev = getenv("SSLTRACE");
+ if (ev && ev[0]) {
+ ssl_trace = atoi(ev);
+ ssl_trace_iob = stderr;
+ }
+ }
+
+ void SetUp() {
+ ImportKey(&k1_, kKey1, slot_.get());
+ ImportKey(&k2_, kKey2, slot_.get());
+ }
+
+ void VerifyKey(const ScopedPK11SymKey& key, const DataBuffer& expected) {
+ SECStatus rv = PK11_ExtractKeyValue(key.get());
+ ASSERT_EQ(SECSuccess, rv);
+
+ SECItem* key_data = PK11_GetKeyData(key.get());
+ ASSERT_NE(nullptr, key_data);
+
+ EXPECT_EQ(expected.len(), key_data->len);
+ EXPECT_EQ(0, memcmp(expected.data(), key_data->data, expected.len()));
+ }
+
+ void HkdfExtract(const ScopedPK11SymKey& ikmk1, const ScopedPK11SymKey& ikmk2,
+ SSLHashType base_hash, const DataBuffer& expected) {
+ std::cerr << "Hash = " << kHashName[base_hash] << std::endl;
+
+ PK11SymKey* prk = nullptr;
+ SECStatus rv = tls13_HkdfExtract(ikmk1.get(), ikmk2.get(), base_hash, &prk);
+ ASSERT_EQ(SECSuccess, rv);
+ ScopedPK11SymKey prkk(prk);
+
+ DumpKey("Output", prkk);
+ VerifyKey(prkk, expected);
+ }
+
+ void HkdfExpandLabel(ScopedPK11SymKey* prk, SSLHashType base_hash,
+ const uint8_t* session_hash, size_t session_hash_len,
+ const char* label, size_t label_len,
+ const DataBuffer& expected) {
+ std::cerr << "Hash = " << kHashName[base_hash] << std::endl;
+
+ std::vector<uint8_t> output(expected.len());
+
+ SECStatus rv = tls13_HkdfExpandLabelRaw(prk->get(), base_hash, session_hash,
+ session_hash_len, label, label_len,
+ &output[0], output.size());
+ ASSERT_EQ(SECSuccess, rv);
+ DumpData("Output", &output[0], output.size());
+ EXPECT_EQ(0, memcmp(expected.data(), &output[0], expected.len()));
+ }
+
+ protected:
+ ScopedPK11SymKey k1_;
+ ScopedPK11SymKey k2_;
+ SSLHashType hash_type_;
+
+ private:
+ ScopedPK11SlotInfo slot_;
+};
+
+TEST_P(TlsHkdfTest, HkdfNullNull) {
+ const uint8_t tv[][48] = {
+ {/* ssl_hash_none */},
+ {/* ssl_hash_md5 */},
+ {/* ssl_hash_sha1 */},
+ {/* ssl_hash_sha224 */},
+ {0x33, 0xad, 0x0a, 0x1c, 0x60, 0x7e, 0xc0, 0x3b, 0x09, 0xe6, 0xcd,
+ 0x98, 0x93, 0x68, 0x0c, 0xe2, 0x10, 0xad, 0xf3, 0x00, 0xaa, 0x1f,
+ 0x26, 0x60, 0xe1, 0xb2, 0x2e, 0x10, 0xf1, 0x70, 0xf9, 0x2a},
+ {0x7e, 0xe8, 0x20, 0x6f, 0x55, 0x70, 0x02, 0x3e, 0x6d, 0xc7, 0x51, 0x9e,
+ 0xb1, 0x07, 0x3b, 0xc4, 0xe7, 0x91, 0xad, 0x37, 0xb5, 0xc3, 0x82, 0xaa,
+ 0x10, 0xba, 0x18, 0xe2, 0x35, 0x7e, 0x71, 0x69, 0x71, 0xf9, 0x36, 0x2f,
+ 0x2c, 0x2f, 0xe2, 0xa7, 0x6b, 0xfd, 0x78, 0xdf, 0xec, 0x4e, 0xa9, 0xb5}};
+
+ const DataBuffer expected_data(tv[hash_type_], kHashLength[hash_type_]);
+ HkdfExtract(nullptr, nullptr, hash_type_, expected_data);
+}
+
+TEST_P(TlsHkdfTest, HkdfKey1Only) {
+ const uint8_t tv[][48] = {
+ {/* ssl_hash_none */},
+ {/* ssl_hash_md5 */},
+ {/* ssl_hash_sha1 */},
+ {/* ssl_hash_sha224 */},
+ {0x11, 0x87, 0x38, 0x28, 0xa9, 0x19, 0x78, 0x11, 0x33, 0x91, 0x24,
+ 0xb5, 0x8a, 0x1b, 0xb0, 0x9f, 0x7f, 0x0d, 0x8d, 0xbb, 0x10, 0xf4,
+ 0x9c, 0x54, 0xbd, 0x1f, 0xd8, 0x85, 0xcd, 0x15, 0x30, 0x33},
+ {0x51, 0xb1, 0xd5, 0xb4, 0x59, 0x79, 0x79, 0x08, 0x4a, 0x15, 0xb2, 0xdb,
+ 0x84, 0xd3, 0xd6, 0xbc, 0xfc, 0x93, 0x45, 0xd9, 0xdc, 0x74, 0xda, 0x1a,
+ 0x57, 0xc2, 0x76, 0x9f, 0x3f, 0x83, 0x45, 0x2f, 0xf6, 0xf3, 0x56, 0x1f,
+ 0x58, 0x63, 0xdb, 0x88, 0xda, 0x40, 0xce, 0x63, 0x7d, 0x24, 0x37, 0xf3}};
+
+ const DataBuffer expected_data(tv[hash_type_], kHashLength[hash_type_]);
+ HkdfExtract(k1_, nullptr, hash_type_, expected_data);
+}
+
+TEST_P(TlsHkdfTest, HkdfKey2Only) {
+ const uint8_t tv[][48] = {
+ {/* ssl_hash_none */},
+ {/* ssl_hash_md5 */},
+ {/* ssl_hash_sha1 */},
+ {/* ssl_hash_sha224 */},
+ {
+ 0x2f, 0x5f, 0x78, 0xd0, 0xa4, 0xc4, 0x36, 0xee, 0x6c, 0x8a, 0x4e,
+ 0xf9, 0xd0, 0x43, 0x81, 0x02, 0x13, 0xfd, 0x47, 0x83, 0x63, 0x3a,
+ 0xd2, 0xe1, 0x40, 0x6d, 0x2d, 0x98, 0x00, 0xfd, 0xc1, 0x87,
+ },
+ {0x7b, 0x40, 0xf9, 0xef, 0x91, 0xff, 0xc9, 0xd1, 0x29, 0x24, 0x5c, 0xbf,
+ 0xf8, 0x82, 0x76, 0x68, 0xae, 0x4b, 0x63, 0xe8, 0x03, 0xdd, 0x39, 0xa8,
+ 0xd4, 0x6a, 0xf6, 0xe5, 0xec, 0xea, 0xf8, 0x7d, 0x91, 0x71, 0x81, 0xf1,
+ 0xdb, 0x3b, 0xaf, 0xbf, 0xde, 0x71, 0x61, 0x15, 0xeb, 0xb5, 0x5f, 0x68}};
+
+ const DataBuffer expected_data(tv[hash_type_], kHashLength[hash_type_]);
+ HkdfExtract(nullptr, k2_, hash_type_, expected_data);
+}
+
+TEST_P(TlsHkdfTest, HkdfKey1Key2) {
+ const uint8_t tv[][48] = {
+ {/* ssl_hash_none */},
+ {/* ssl_hash_md5 */},
+ {/* ssl_hash_sha1 */},
+ {/* ssl_hash_sha224 */},
+ {
+ 0x79, 0x53, 0xb8, 0xdd, 0x6b, 0x98, 0xce, 0x00, 0xb7, 0xdc, 0xe8,
+ 0x03, 0x70, 0x8c, 0xe3, 0xac, 0x06, 0x8b, 0x22, 0xfd, 0x0e, 0x34,
+ 0x48, 0xe6, 0xe5, 0xe0, 0x8a, 0xd6, 0x16, 0x18, 0xe5, 0x48,
+ },
+ {0x01, 0x93, 0xc0, 0x07, 0x3f, 0x6a, 0x83, 0x0e, 0x2e, 0x4f, 0xb2, 0x58,
+ 0xe4, 0x00, 0x08, 0x5c, 0x68, 0x9c, 0x37, 0x32, 0x00, 0x37, 0xff, 0xc3,
+ 0x1c, 0x5b, 0x98, 0x0b, 0x02, 0x92, 0x3f, 0xfd, 0x73, 0x5a, 0x6f, 0x2a,
+ 0x95, 0xa3, 0xee, 0xf6, 0xd6, 0x8e, 0x6f, 0x86, 0xea, 0x63, 0xf8, 0x33}};
+
+ const DataBuffer expected_data(tv[hash_type_], kHashLength[hash_type_]);
+ HkdfExtract(k1_, k2_, hash_type_, expected_data);
+}
+
+TEST_P(TlsHkdfTest, HkdfExpandLabel) {
+ const uint8_t tv[][48] = {
+ {/* ssl_hash_none */},
+ {/* ssl_hash_md5 */},
+ {/* ssl_hash_sha1 */},
+ {/* ssl_hash_sha224 */},
+ {0x34, 0x7c, 0x67, 0x80, 0xff, 0x0b, 0xba, 0xd7, 0x1c, 0x28, 0x3b,
+ 0x16, 0xeb, 0x2f, 0x9c, 0xf6, 0x2d, 0x24, 0xe6, 0xcd, 0xb6, 0x13,
+ 0xd5, 0x17, 0x76, 0x54, 0x8c, 0xb0, 0x7d, 0xcd, 0xe7, 0x4c},
+ {0x4b, 0x1e, 0x5e, 0xc1, 0x49, 0x30, 0x78, 0xea, 0x35, 0xbd, 0x3f, 0x01,
+ 0x04, 0xe6, 0x1a, 0xea, 0x14, 0xcc, 0x18, 0x2a, 0xd1, 0xc4, 0x76, 0x21,
+ 0xc4, 0x64, 0xc0, 0x4e, 0x4b, 0x36, 0x16, 0x05, 0x6f, 0x04, 0xab, 0xe9,
+ 0x43, 0xb1, 0x2d, 0xa8, 0xa7, 0x17, 0x9a, 0x5f, 0x09, 0x91, 0x7d, 0x1f}};
+
+ const DataBuffer expected_data(tv[hash_type_], kHashLength[hash_type_]);
+ HkdfExpandLabel(&k1_, hash_type_, kSessionHash, kHashLength[hash_type_],
+ kLabelMasterSecret, strlen(kLabelMasterSecret),
+ expected_data);
+}
+
+static const SSLHashType kHashTypes[] = {ssl_hash_sha256, ssl_hash_sha384};
+INSTANTIATE_TEST_CASE_P(AllHashFuncs, TlsHkdfTest,
+ ::testing::ValuesIn(kHashTypes));
+
+} // namespace nss_test