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-rw-r--r--security/nss/gtests/ssl_gtest/selfencrypt_unittest.cc281
1 files changed, 281 insertions, 0 deletions
diff --git a/security/nss/gtests/ssl_gtest/selfencrypt_unittest.cc b/security/nss/gtests/ssl_gtest/selfencrypt_unittest.cc
new file mode 100644
index 0000000000..24f000454b
--- /dev/null
+++ b/security/nss/gtests/ssl_gtest/selfencrypt_unittest.cc
@@ -0,0 +1,281 @@
+/* -*- 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 <functional>
+#include <memory>
+#include "nss.h"
+#include "pk11pub.h"
+#include "prerror.h"
+#include "secerr.h"
+#include "ssl.h"
+#include "sslerr.h"
+extern "C" {
+#include "sslimpl.h"
+#include "selfencrypt.h"
+}
+
+#include "databuffer.h"
+#include "gtest_utils.h"
+#include "nss_scoped_ptrs.h"
+
+namespace nss_test {
+
+static const uint8_t kAesKey1Buf[] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
+ 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
+ 0x0c, 0x0d, 0x0e, 0x0f};
+static const DataBuffer kAesKey1(kAesKey1Buf, sizeof(kAesKey1Buf));
+
+static const uint8_t kAesKey2Buf[] = {0x10, 0x11, 0x12, 0x13, 0x14, 0x15,
+ 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b,
+ 0x1c, 0x1d, 0x1e, 0x1f};
+static const DataBuffer kAesKey2(kAesKey2Buf, sizeof(kAesKey2Buf));
+
+static const uint8_t kHmacKey1Buf[] = {
+ 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};
+static const DataBuffer kHmacKey1(kHmacKey1Buf, sizeof(kHmacKey1Buf));
+
+static const uint8_t kHmacKey2Buf[] = {
+ 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};
+static const DataBuffer kHmacKey2(kHmacKey2Buf, sizeof(kHmacKey2Buf));
+
+static const uint8_t* kKeyName1 =
+ reinterpret_cast<const unsigned char*>("KEY1KEY1KEY1KEY1");
+static const uint8_t* kKeyName2 =
+ reinterpret_cast<const uint8_t*>("KEY2KEY2KEY2KEY2");
+
+static void ImportKey(const DataBuffer& key, PK11SlotInfo* slot,
+ CK_MECHANISM_TYPE mech, CK_ATTRIBUTE_TYPE cka,
+ ScopedPK11SymKey* to) {
+ SECItem key_item = {siBuffer, const_cast<uint8_t*>(key.data()),
+ static_cast<unsigned int>(key.len())};
+
+ PK11SymKey* inner =
+ PK11_ImportSymKey(slot, mech, PK11_OriginUnwrap, cka, &key_item, nullptr);
+ ASSERT_NE(nullptr, inner);
+ to->reset(inner);
+}
+
+extern "C" {
+extern char ssl_trace;
+extern FILE* ssl_trace_iob;
+}
+
+class SelfEncryptTestBase : public ::testing::Test {
+ public:
+ SelfEncryptTestBase(size_t message_size)
+ : aes1_(),
+ aes2_(),
+ hmac1_(),
+ hmac2_(),
+ message_(),
+ slot_(PK11_GetInternalSlot()) {
+ EXPECT_NE(nullptr, slot_);
+ char* ev = getenv("SSLTRACE");
+ if (ev && ev[0]) {
+ ssl_trace = atoi(ev);
+ ssl_trace_iob = stderr;
+ }
+ message_.Allocate(message_size);
+ for (size_t i = 0; i < message_.len(); ++i) {
+ message_.data()[i] = i;
+ }
+ }
+
+ void SetUp() {
+ message_.Allocate(100);
+ for (size_t i = 0; i < 100; ++i) {
+ message_.data()[i] = i;
+ }
+ ImportKey(kAesKey1, slot_.get(), CKM_AES_CBC, CKA_ENCRYPT, &aes1_);
+ ImportKey(kAesKey2, slot_.get(), CKM_AES_CBC, CKA_ENCRYPT, &aes2_);
+ ImportKey(kHmacKey1, slot_.get(), CKM_SHA256_HMAC, CKA_SIGN, &hmac1_);
+ ImportKey(kHmacKey2, slot_.get(), CKM_SHA256_HMAC, CKA_SIGN, &hmac2_);
+ }
+
+ void SelfTest(
+ const uint8_t* writeKeyName, const ScopedPK11SymKey& writeAes,
+ const ScopedPK11SymKey& writeHmac, const uint8_t* readKeyName,
+ const ScopedPK11SymKey& readAes, const ScopedPK11SymKey& readHmac,
+ PRErrorCode protect_error_code = 0, PRErrorCode unprotect_error_code = 0,
+ std::function<void(uint8_t* ciphertext, unsigned int* ciphertext_len)>
+ mutate = nullptr) {
+ uint8_t ciphertext[1000];
+ unsigned int ciphertext_len;
+ uint8_t plaintext[1000];
+ unsigned int plaintext_len;
+
+ SECStatus rv = ssl_SelfEncryptProtectInt(
+ writeAes.get(), writeHmac.get(), writeKeyName, message_.data(),
+ message_.len(), ciphertext, &ciphertext_len, sizeof(ciphertext));
+ if (rv != SECSuccess) {
+ std::cerr << "Error: " << PORT_ErrorToName(PORT_GetError()) << std::endl;
+ }
+ if (protect_error_code) {
+ ASSERT_EQ(protect_error_code, PORT_GetError());
+ return;
+ }
+ ASSERT_EQ(SECSuccess, rv);
+
+ if (mutate) {
+ mutate(ciphertext, &ciphertext_len);
+ }
+ rv = ssl_SelfEncryptUnprotectInt(readAes.get(), readHmac.get(), readKeyName,
+ ciphertext, ciphertext_len, plaintext,
+ &plaintext_len, sizeof(plaintext));
+ if (rv != SECSuccess) {
+ std::cerr << "Error: " << PORT_ErrorToName(PORT_GetError()) << std::endl;
+ }
+ if (!unprotect_error_code) {
+ ASSERT_EQ(SECSuccess, rv);
+ EXPECT_EQ(message_.len(), plaintext_len);
+ EXPECT_EQ(0, memcmp(message_.data(), plaintext, message_.len()));
+ } else {
+ ASSERT_EQ(SECFailure, rv);
+ EXPECT_EQ(unprotect_error_code, PORT_GetError());
+ }
+ }
+
+ protected:
+ ScopedPK11SymKey aes1_;
+ ScopedPK11SymKey aes2_;
+ ScopedPK11SymKey hmac1_;
+ ScopedPK11SymKey hmac2_;
+ DataBuffer message_;
+
+ private:
+ ScopedPK11SlotInfo slot_;
+};
+
+class SelfEncryptTestVariable : public SelfEncryptTestBase,
+ public ::testing::WithParamInterface<size_t> {
+ public:
+ SelfEncryptTestVariable() : SelfEncryptTestBase(GetParam()) {}
+};
+
+class SelfEncryptTest128 : public SelfEncryptTestBase {
+ public:
+ SelfEncryptTest128() : SelfEncryptTestBase(128) {}
+};
+
+TEST_P(SelfEncryptTestVariable, SuccessCase) {
+ SelfTest(kKeyName1, aes1_, hmac1_, kKeyName1, aes1_, hmac1_);
+}
+
+TEST_P(SelfEncryptTestVariable, WrongMacKey) {
+ SelfTest(kKeyName1, aes1_, hmac1_, kKeyName1, aes1_, hmac2_, 0,
+ SEC_ERROR_BAD_DATA);
+}
+
+TEST_P(SelfEncryptTestVariable, WrongKeyName) {
+ SelfTest(kKeyName1, aes1_, hmac1_, kKeyName2, aes1_, hmac1_, 0,
+ SEC_ERROR_NOT_A_RECIPIENT);
+}
+
+TEST_P(SelfEncryptTestVariable, AddAByte) {
+ SelfTest(kKeyName1, aes1_, hmac1_, kKeyName1, aes1_, hmac1_, 0,
+ SEC_ERROR_BAD_DATA,
+ [](uint8_t* ciphertext, unsigned int* ciphertext_len) {
+ (*ciphertext_len)++;
+ });
+}
+
+TEST_P(SelfEncryptTestVariable, SubtractAByte) {
+ SelfTest(kKeyName1, aes1_, hmac1_, kKeyName1, aes1_, hmac1_, 0,
+ SEC_ERROR_BAD_DATA,
+ [](uint8_t* ciphertext, unsigned int* ciphertext_len) {
+ (*ciphertext_len)--;
+ });
+}
+
+TEST_P(SelfEncryptTestVariable, BogusIv) {
+ SelfTest(kKeyName1, aes1_, hmac1_, kKeyName1, aes1_, hmac1_, 0,
+ SEC_ERROR_BAD_DATA,
+ [](uint8_t* ciphertext, unsigned int* ciphertext_len) {
+ ciphertext[16]++;
+ });
+}
+
+TEST_P(SelfEncryptTestVariable, BogusCiphertext) {
+ SelfTest(kKeyName1, aes1_, hmac1_, kKeyName1, aes1_, hmac1_, 0,
+ SEC_ERROR_BAD_DATA,
+ [](uint8_t* ciphertext, unsigned int* ciphertext_len) {
+ ciphertext[32]++;
+ });
+}
+
+TEST_P(SelfEncryptTestVariable, BadMac) {
+ SelfTest(kKeyName1, aes1_, hmac1_, kKeyName1, aes1_, hmac1_, 0,
+ SEC_ERROR_BAD_DATA,
+ [](uint8_t* ciphertext, unsigned int* ciphertext_len) {
+ ciphertext[*ciphertext_len - 1]++;
+ });
+}
+
+TEST_F(SelfEncryptTest128, DISABLED_BadPadding) {
+ SelfTest(kKeyName1, aes1_, hmac1_, kKeyName1, aes2_, hmac1_, 0,
+ SEC_ERROR_BAD_DATA);
+}
+
+TEST_F(SelfEncryptTest128, ShortKeyName) {
+ SelfTest(kKeyName1, aes1_, hmac1_, kKeyName1, aes1_, hmac1_, 0,
+ SEC_ERROR_BAD_DATA,
+ [](uint8_t* ciphertext, unsigned int* ciphertext_len) {
+ *ciphertext_len = 15;
+ });
+}
+
+TEST_F(SelfEncryptTest128, ShortIv) {
+ SelfTest(kKeyName1, aes1_, hmac1_, kKeyName1, aes1_, hmac1_, 0,
+ SEC_ERROR_BAD_DATA,
+ [](uint8_t* ciphertext, unsigned int* ciphertext_len) {
+ *ciphertext_len = 31;
+ });
+}
+
+TEST_F(SelfEncryptTest128, ShortCiphertextLen) {
+ SelfTest(kKeyName1, aes1_, hmac1_, kKeyName1, aes1_, hmac1_, 0,
+ SEC_ERROR_BAD_DATA,
+ [](uint8_t* ciphertext, unsigned int* ciphertext_len) {
+ *ciphertext_len = 32;
+ });
+}
+
+TEST_F(SelfEncryptTest128, ShortCiphertext) {
+ SelfTest(kKeyName1, aes1_, hmac1_, kKeyName1, aes1_, hmac1_, 0,
+ SEC_ERROR_BAD_DATA,
+ [](uint8_t* ciphertext, unsigned int* ciphertext_len) {
+ *ciphertext_len -= 17;
+ });
+}
+
+TEST_F(SelfEncryptTest128, MacWithAESKeyEncrypt) {
+ SelfTest(kKeyName1, aes1_, aes1_, kKeyName1, aes1_, hmac1_,
+ SEC_ERROR_LIBRARY_FAILURE);
+}
+
+TEST_F(SelfEncryptTest128, AESWithMacKeyEncrypt) {
+ SelfTest(kKeyName1, hmac1_, hmac1_, kKeyName1, aes1_, hmac1_,
+ SEC_ERROR_INVALID_KEY);
+}
+
+TEST_F(SelfEncryptTest128, MacWithAESKeyDecrypt) {
+ SelfTest(kKeyName1, aes1_, hmac1_, kKeyName1, aes1_, aes1_, 0,
+ SEC_ERROR_LIBRARY_FAILURE);
+}
+
+TEST_F(SelfEncryptTest128, AESWithMacKeyDecrypt) {
+ SelfTest(kKeyName1, aes1_, hmac1_, kKeyName1, hmac1_, hmac1_, 0,
+ SEC_ERROR_INVALID_KEY);
+}
+
+INSTANTIATE_TEST_SUITE_P(VariousSizes, SelfEncryptTestVariable,
+ ::testing::Values(0, 15, 16, 31, 255, 256, 257));
+
+} // namespace nss_test
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-05 20:01:40 +0000