diff options
Diffstat (limited to 'security/nss/gtests/ssl_gtest/tls_hkdf_unittest.cc')
| -rw-r--r-- | security/nss/gtests/ssl_gtest/tls_hkdf_unittest.cc | 433 |
1 files changed, 433 insertions, 0 deletions
diff --git a/security/nss/gtests/ssl_gtest/tls_hkdf_unittest.cc b/security/nss/gtests/ssl_gtest/tls_hkdf_unittest.cc new file mode 100644 index 0000000000..3e1e30bb86 --- /dev/null +++ b/security/nss/gtests/ssl_gtest/tls_hkdf_unittest.cc @@ -0,0 +1,433 @@ +/* -*- 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 "secerr.h" +#include "sslproto.h" +#include "sslexp.h" +#include "tls13hkdf.h" + +#include "databuffer.h" +#include "gtest_utils.h" +#include "nss_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 */ +}; + +size_t GetHashLength(SSLHashType hash) { + size_t i = static_cast<size_t>(hash); + if (i < PR_ARRAY_SIZE(kHashLength)) { + return kHashLength[i]; + } + ADD_FAILURE() << "Unknown hash: " << hash; + return 0; +} + +PRUint16 GetSomeCipherSuiteForHash(SSLHashType hash) { + switch (hash) { + case ssl_hash_sha256: + return TLS_AES_128_GCM_SHA256; + case ssl_hash_sha384: + return TLS_AES_256_GCM_SHA384; + default: + ADD_FAILURE() << "Unknown hash: " << hash; + } + return 0; +} + +const std::string kHashName[] = {"None", "MD5", "SHA-1", "SHA-224", + "SHA-256", "SHA-384", "SHA-512"}; + +static void ImportKey(ScopedPK11SymKey* to, const DataBuffer& key, + SSLHashType hash_type, PK11SlotInfo* slot) { + ASSERT_LT(hash_type, sizeof(kHashLength)); + ASSERT_LE(kHashLength[hash_type], key.len()); + SECItem key_item = {siBuffer, const_cast<uint8_t*>(key.data()), + static_cast<unsigned int>(GetHashLength(hash_type))}; + + 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, hash_type_, slot_.get()); + ImportKey(&k2_, kKey2, hash_type_, slot_.get()); + } + + void VerifyKey(const ScopedPK11SymKey& key, CK_MECHANISM_TYPE expected_mech, + const DataBuffer& expected_value) { + EXPECT_EQ(expected_mech, PK11_GetMechanism(key.get())); + + 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_value.len(), key_data->len); + EXPECT_EQ( + 0, memcmp(expected_value.data(), key_data->data, expected_value.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, CKM_HKDF_DERIVE, expected); + + // Now test the public wrapper. + PRUint16 cs = GetSomeCipherSuiteForHash(base_hash); + rv = SSL_HkdfExtract(SSL_LIBRARY_VERSION_TLS_1_3, cs, ikmk1.get(), + ikmk2.get(), &prk); + ASSERT_EQ(SECSuccess, rv); + ASSERT_NE(nullptr, prk); + VerifyKey(ScopedPK11SymKey(prk), CKM_HKDF_DERIVE, 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) { + ASSERT_NE(nullptr, prk); + 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, + ssl_variant_stream, &output[0], output.size()); + ASSERT_EQ(SECSuccess, rv); + DumpData("Output", &output[0], output.size()); + EXPECT_EQ(0, memcmp(expected.data(), &output[0], expected.len())); + + // Verify that the public API produces the same result. + PRUint16 cs = GetSomeCipherSuiteForHash(base_hash); + PK11SymKey* secret; + rv = SSL_HkdfExpandLabel(SSL_LIBRARY_VERSION_TLS_1_3, cs, prk->get(), + session_hash, session_hash_len, label, label_len, + &secret); + EXPECT_EQ(SECSuccess, rv); + ASSERT_NE(nullptr, secret); + VerifyKey(ScopedPK11SymKey(secret), CKM_HKDF_DERIVE, expected); + + // Verify that a key can be created with a different key type and size. + rv = SSL_HkdfExpandLabelWithMech( + SSL_LIBRARY_VERSION_TLS_1_3, cs, prk->get(), session_hash, + session_hash_len, label, label_len, CKM_DES3_CBC_PAD, 24, &secret); + EXPECT_EQ(SECSuccess, rv); + ASSERT_NE(nullptr, secret); + ScopedPK11SymKey with_mech(secret); + EXPECT_EQ(static_cast<CK_MECHANISM_TYPE>(CKM_DES3_CBC_PAD), + PK11_GetMechanism(with_mech.get())); + // Just verify that the key is the right size. + rv = PK11_ExtractKeyValue(with_mech.get()); + ASSERT_EQ(SECSuccess, rv); + SECItem* key_data = PK11_GetKeyData(with_mech.get()); + ASSERT_NE(nullptr, key_data); + EXPECT_EQ(24U, key_data->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_], GetHashLength(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 */}, + {0x41, 0x6c, 0x53, 0x92, 0xb9, 0xf3, 0x6d, 0xf1, 0x88, 0xe9, 0x0e, + 0xb1, 0x4d, 0x17, 0xbf, 0x0d, 0xa1, 0x90, 0xbf, 0xdb, 0x7f, 0x1f, + 0x49, 0x56, 0xe6, 0xe5, 0x66, 0xa5, 0x69, 0xc8, 0xb1, 0x5c}, + {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_], GetHashLength(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 */}, + {0x16, 0xaf, 0x00, 0x54, 0x3a, 0x56, 0xc8, 0x26, 0xa2, 0xa7, 0xfc, + 0xb6, 0x34, 0x66, 0x8a, 0xfd, 0x36, 0xdc, 0x8e, 0xce, 0xc4, 0xd2, + 0x6c, 0x7a, 0xdc, 0xe3, 0x70, 0x36, 0x3d, 0x60, 0xfa, 0x0b}, + {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_], GetHashLength(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 */}, + {0xa5, 0x68, 0x02, 0x5a, 0x95, 0xc9, 0x7f, 0x55, 0x38, 0xbc, 0xf7, + 0x97, 0xcc, 0x0f, 0xd5, 0xf6, 0xa8, 0x8d, 0x15, 0xbc, 0x0e, 0x85, + 0x74, 0x70, 0x3c, 0xa3, 0x65, 0xbd, 0x76, 0xcf, 0x9f, 0xd3}, + {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_], GetHashLength(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 */}, + {0x3e, 0x4e, 0x6e, 0xd0, 0xbc, 0xc4, 0xf4, 0xff, 0xf0, 0xf5, 0x69, + 0xd0, 0x6c, 0x1e, 0x0e, 0x10, 0x32, 0xaa, 0xd7, 0xa3, 0xef, 0xf6, + 0xa8, 0x65, 0x8e, 0xbe, 0xee, 0xc7, 0x1f, 0x01, 0x6d, 0x3c}, + {0x41, 0xea, 0x77, 0x09, 0x8c, 0x90, 0x04, 0x10, 0xec, 0xbc, 0x37, 0xd8, + 0x5b, 0x54, 0xcd, 0x7b, 0x08, 0x15, 0x13, 0x20, 0xed, 0x1e, 0x3f, 0x54, + 0x74, 0xf7, 0x8b, 0x06, 0x38, 0x28, 0x06, 0x37, 0x75, 0x23, 0xa2, 0xb7, + 0x34, 0xb1, 0x72, 0x2e, 0x59, 0x6d, 0x5a, 0x31, 0xf5, 0x53, 0xab, 0x99}}; + + const DataBuffer expected_data(tv[hash_type_], GetHashLength(hash_type_)); + HkdfExpandLabel(&k1_, hash_type_, kSessionHash, GetHashLength(hash_type_), + kLabelMasterSecret, strlen(kLabelMasterSecret), + expected_data); +} + +TEST_P(TlsHkdfTest, HkdfExpandLabelNoHash) { + const uint8_t tv[][48] = { + {/* ssl_hash_none */}, + {/* ssl_hash_md5 */}, + {/* ssl_hash_sha1 */}, + {/* ssl_hash_sha224 */}, + {0xb7, 0x08, 0x00, 0xe3, 0x8e, 0x48, 0x68, 0x91, 0xb1, 0x0f, 0x5e, + 0x6f, 0x22, 0x53, 0x6b, 0x84, 0x69, 0x75, 0xaa, 0xa3, 0x2a, 0xe7, + 0xde, 0xaa, 0xc3, 0xd1, 0xb4, 0x05, 0x22, 0x5c, 0x68, 0xf5}, + {0x13, 0xd3, 0x36, 0x9f, 0x3c, 0x78, 0xa0, 0x32, 0x40, 0xee, 0x16, 0xe9, + 0x11, 0x12, 0x66, 0xc7, 0x51, 0xad, 0xd8, 0x3c, 0xa1, 0xa3, 0x97, 0x74, + 0xd7, 0x45, 0xff, 0xa7, 0x88, 0x9e, 0x52, 0x17, 0x2e, 0xaa, 0x3a, 0xd2, + 0x35, 0xd8, 0xd5, 0x35, 0xfd, 0x65, 0x70, 0x9f, 0xa9, 0xf9, 0xfa, 0x23}}; + + const DataBuffer expected_data(tv[hash_type_], GetHashLength(hash_type_)); + HkdfExpandLabel(&k1_, hash_type_, nullptr, 0, kLabelMasterSecret, + strlen(kLabelMasterSecret), expected_data); +} + +TEST_P(TlsHkdfTest, BadExtractWrapperInput) { + PK11SymKey* key = nullptr; + + // Bad version. + EXPECT_EQ(SECFailure, + SSL_HkdfExtract(SSL_LIBRARY_VERSION_TLS_1_2, TLS_AES_128_GCM_SHA256, + k1_.get(), k2_.get(), &key)); + EXPECT_EQ(SEC_ERROR_INVALID_ARGS, PORT_GetError()); + + // Bad ciphersuite. + EXPECT_EQ(SECFailure, + SSL_HkdfExtract(SSL_LIBRARY_VERSION_TLS_1_3, TLS_RSA_WITH_NULL_SHA, + k1_.get(), k2_.get(), &key)); + EXPECT_EQ(SEC_ERROR_INVALID_ARGS, PORT_GetError()); + + // Old ciphersuite. + EXPECT_EQ(SECFailure, SSL_HkdfExtract(SSL_LIBRARY_VERSION_TLS_1_3, + TLS_RSA_WITH_AES_128_CBC_SHA, k1_.get(), + k2_.get(), &key)); + EXPECT_EQ(SEC_ERROR_INVALID_ARGS, PORT_GetError()); + + // NULL outparam.. + EXPECT_EQ(SECFailure, SSL_HkdfExtract(SSL_LIBRARY_VERSION_TLS_1_3, + TLS_RSA_WITH_AES_128_CBC_SHA, k1_.get(), + k2_.get(), nullptr)); + EXPECT_EQ(SEC_ERROR_INVALID_ARGS, PORT_GetError()); + + EXPECT_EQ(nullptr, key); +} + +TEST_P(TlsHkdfTest, BadExpandLabelWrapperInput) { + PK11SymKey* key = nullptr; + static const char* kLabel = "label"; + + // Bad version. + EXPECT_EQ( + SECFailure, + SSL_HkdfExpandLabel(SSL_LIBRARY_VERSION_TLS_1_2, TLS_AES_128_GCM_SHA256, + k1_.get(), nullptr, 0, kLabel, strlen(kLabel), &key)); + EXPECT_EQ(SEC_ERROR_INVALID_ARGS, PORT_GetError()); + + // Bad ciphersuite. + EXPECT_EQ( + SECFailure, + SSL_HkdfExpandLabel(SSL_LIBRARY_VERSION_TLS_1_3, TLS_RSA_WITH_NULL_MD5, + k1_.get(), nullptr, 0, kLabel, strlen(kLabel), &key)); + EXPECT_EQ(SEC_ERROR_INVALID_ARGS, PORT_GetError()); + + // Old ciphersuite. + EXPECT_EQ(SECFailure, + SSL_HkdfExpandLabel(SSL_LIBRARY_VERSION_TLS_1_3, + TLS_RSA_WITH_AES_128_CBC_SHA, k1_.get(), + nullptr, 0, kLabel, strlen(kLabel), &key)); + EXPECT_EQ(SEC_ERROR_INVALID_ARGS, PORT_GetError()); + + // Null PRK. + EXPECT_EQ(SECFailure, SSL_HkdfExpandLabel( + SSL_LIBRARY_VERSION_TLS_1_2, TLS_AES_128_GCM_SHA256, + nullptr, nullptr, 0, kLabel, strlen(kLabel), &key)); + EXPECT_EQ(SEC_ERROR_INVALID_ARGS, PORT_GetError()); + + // Null, non-zero-length handshake hash. + EXPECT_EQ( + SECFailure, + SSL_HkdfExpandLabel(SSL_LIBRARY_VERSION_TLS_1_2, TLS_AES_128_GCM_SHA256, + k1_.get(), nullptr, 2, kLabel, strlen(kLabel), &key)); + + EXPECT_EQ(SEC_ERROR_INVALID_ARGS, PORT_GetError()); + // Null, non-zero-length label. + EXPECT_EQ(SECFailure, + SSL_HkdfExpandLabel(SSL_LIBRARY_VERSION_TLS_1_3, + TLS_AES_128_GCM_SHA256, k1_.get(), nullptr, 0, + nullptr, strlen(kLabel), &key)); + EXPECT_EQ(SEC_ERROR_INVALID_ARGS, PORT_GetError()); + + // Null, empty label. + EXPECT_EQ(SECFailure, SSL_HkdfExpandLabel(SSL_LIBRARY_VERSION_TLS_1_3, + TLS_AES_128_GCM_SHA256, k1_.get(), + nullptr, 0, nullptr, 0, &key)); + EXPECT_EQ(SEC_ERROR_INVALID_ARGS, PORT_GetError()); + + // Null key pointer.. + EXPECT_EQ(SECFailure, + SSL_HkdfExpandLabel(SSL_LIBRARY_VERSION_TLS_1_3, + TLS_AES_128_GCM_SHA256, k1_.get(), nullptr, 0, + kLabel, strlen(kLabel), nullptr)); + EXPECT_EQ(SEC_ERROR_INVALID_ARGS, PORT_GetError()); + + EXPECT_EQ(nullptr, key); +} + +static const SSLHashType kHashTypes[] = {ssl_hash_sha256, ssl_hash_sha384}; +INSTANTIATE_TEST_SUITE_P(AllHashFuncs, TlsHkdfTest, + ::testing::ValuesIn(kHashTypes)); + +} // namespace nss_test |