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Unified Diff: base/crypto/encryptor_unittest.cc

Issue 6805019: Move crypto files out of base, to a top level directory. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Fixes comments by eroman Created 9 years, 8 months ago
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Index: base/crypto/encryptor_unittest.cc
===================================================================
--- base/crypto/encryptor_unittest.cc (revision 81350)
+++ base/crypto/encryptor_unittest.cc (working copy)
@@ -1,232 +0,0 @@
-// Copyright (c) 2011 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 "base/crypto/encryptor.h"
-
-#include <string>
-
-#include "base/crypto/symmetric_key.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/string_number_conversions.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-TEST(EncryptorTest, EncryptDecrypt) {
- scoped_ptr<base::SymmetricKey> key(base::SymmetricKey::DeriveKeyFromPassword(
- base::SymmetricKey::AES, "password", "saltiest", 1000, 256));
- EXPECT_TRUE(NULL != key.get());
-
- base::Encryptor encryptor;
- // The IV must be exactly as long as the cipher block size.
- std::string iv("the iv: 16 bytes");
- EXPECT_EQ(16U, iv.size());
- EXPECT_TRUE(encryptor.Init(key.get(), base::Encryptor::CBC, iv));
-
- std::string plaintext("this is the plaintext");
- std::string ciphertext;
- EXPECT_TRUE(encryptor.Encrypt(plaintext, &ciphertext));
-
- EXPECT_LT(0U, ciphertext.size());
-
- std::string decypted;
- EXPECT_TRUE(encryptor.Decrypt(ciphertext, &decypted));
-
- EXPECT_EQ(plaintext, decypted);
-}
-
-// TODO(wtc): add more known-answer tests. Test vectors are available from
-// http://www.ietf.org/rfc/rfc3602
-// http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf
-// http://gladman.plushost.co.uk/oldsite/AES/index.php
-// http://csrc.nist.gov/groups/STM/cavp/documents/aes/KAT_AES.zip
-
-// NIST SP 800-38A test vector F.2.5 CBC-AES256.Encrypt.
-TEST(EncryptorTest, EncryptAES256CBC) {
- // From NIST SP 800-38a test cast F.2.5 CBC-AES256.Encrypt.
- static const unsigned char raw_key[] = {
- 0x60, 0x3d, 0xeb, 0x10, 0x15, 0xca, 0x71, 0xbe,
- 0x2b, 0x73, 0xae, 0xf0, 0x85, 0x7d, 0x77, 0x81,
- 0x1f, 0x35, 0x2c, 0x07, 0x3b, 0x61, 0x08, 0xd7,
- 0x2d, 0x98, 0x10, 0xa3, 0x09, 0x14, 0xdf, 0xf4
- };
- static const unsigned char raw_iv[] = {
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
- };
- static const unsigned char raw_plaintext[] = {
- // Block #1
- 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
- 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
- // Block #2
- 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
- 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
- // Block #3
- 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
- 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
- // Block #4
- 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
- 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10,
- };
- static const unsigned char raw_ciphertext[] = {
- // Block #1
- 0xf5, 0x8c, 0x4c, 0x04, 0xd6, 0xe5, 0xf1, 0xba,
- 0x77, 0x9e, 0xab, 0xfb, 0x5f, 0x7b, 0xfb, 0xd6,
- // Block #2
- 0x9c, 0xfc, 0x4e, 0x96, 0x7e, 0xdb, 0x80, 0x8d,
- 0x67, 0x9f, 0x77, 0x7b, 0xc6, 0x70, 0x2c, 0x7d,
- // Block #3
- 0x39, 0xf2, 0x33, 0x69, 0xa9, 0xd9, 0xba, 0xcf,
- 0xa5, 0x30, 0xe2, 0x63, 0x04, 0x23, 0x14, 0x61,
- // Block #4
- 0xb2, 0xeb, 0x05, 0xe2, 0xc3, 0x9b, 0xe9, 0xfc,
- 0xda, 0x6c, 0x19, 0x07, 0x8c, 0x6a, 0x9d, 0x1b,
- // PKCS #5 padding, encrypted.
- 0x3f, 0x46, 0x17, 0x96, 0xd6, 0xb0, 0xd6, 0xb2,
- 0xe0, 0xc2, 0xa7, 0x2b, 0x4d, 0x80, 0xe6, 0x44
- };
-
- std::string key(reinterpret_cast<const char*>(raw_key), sizeof(raw_key));
- scoped_ptr<base::SymmetricKey> sym_key(base::SymmetricKey::Import(
- base::SymmetricKey::AES, key));
- ASSERT_TRUE(NULL != sym_key.get());
-
- base::Encryptor encryptor;
- // The IV must be exactly as long a the cipher block size.
- std::string iv(reinterpret_cast<const char*>(raw_iv), sizeof(raw_iv));
- EXPECT_EQ(16U, iv.size());
- EXPECT_TRUE(encryptor.Init(sym_key.get(), base::Encryptor::CBC, iv));
-
- std::string plaintext(reinterpret_cast<const char*>(raw_plaintext),
- sizeof(raw_plaintext));
- std::string ciphertext;
- EXPECT_TRUE(encryptor.Encrypt(plaintext, &ciphertext));
-
- EXPECT_EQ(sizeof(raw_ciphertext), ciphertext.size());
- EXPECT_EQ(0, memcmp(ciphertext.data(), raw_ciphertext, ciphertext.size()));
-
- std::string decypted;
- EXPECT_TRUE(encryptor.Decrypt(ciphertext, &decypted));
-
- EXPECT_EQ(plaintext, decypted);
-}
-
-// Expected output derived from the NSS implementation.
-TEST(EncryptorTest, EncryptAES128CBCRegression) {
- std::string key = "128=SixteenBytes";
- std::string iv = "Sweet Sixteen IV";
- std::string plaintext = "Plain text with a g-clef U+1D11E \360\235\204\236";
- std::string expected_ciphertext_hex =
- "D4A67A0BA33C30F207344D81D1E944BBE65587C3D7D9939A"
- "C070C62B9C15A3EA312EA4AD1BC7929F4D3C16B03AD5ADA8";
-
- scoped_ptr<base::SymmetricKey> sym_key(base::SymmetricKey::Import(
- base::SymmetricKey::AES, key));
- ASSERT_TRUE(NULL != sym_key.get());
-
- base::Encryptor encryptor;
- // The IV must be exactly as long a the cipher block size.
- EXPECT_EQ(16U, iv.size());
- EXPECT_TRUE(encryptor.Init(sym_key.get(), base::Encryptor::CBC, iv));
-
- std::string ciphertext;
- EXPECT_TRUE(encryptor.Encrypt(plaintext, &ciphertext));
- EXPECT_EQ(expected_ciphertext_hex, base::HexEncode(ciphertext.data(),
- ciphertext.size()));
-
- std::string decypted;
- EXPECT_TRUE(encryptor.Decrypt(ciphertext, &decypted));
- EXPECT_EQ(plaintext, decypted);
-}
-
-// Expected output derived from the NSS implementation.
-TEST(EncryptorTest, EncryptAES192CBCRegression) {
- std::string key = "192bitsIsTwentyFourByte!";
- std::string iv = "Sweet Sixteen IV";
- std::string plaintext = "Small text";
- std::string expected_ciphertext_hex = "78DE5D7C2714FC5C61346C5416F6C89A";
-
- scoped_ptr<base::SymmetricKey> sym_key(base::SymmetricKey::Import(
- base::SymmetricKey::AES, key));
- ASSERT_TRUE(NULL != sym_key.get());
-
- base::Encryptor encryptor;
- // The IV must be exactly as long a the cipher block size.
- EXPECT_EQ(16U, iv.size());
- EXPECT_TRUE(encryptor.Init(sym_key.get(), base::Encryptor::CBC, iv));
-
- std::string ciphertext;
- EXPECT_TRUE(encryptor.Encrypt(plaintext, &ciphertext));
- EXPECT_EQ(expected_ciphertext_hex, base::HexEncode(ciphertext.data(),
- ciphertext.size()));
-
- std::string decypted;
- EXPECT_TRUE(encryptor.Decrypt(ciphertext, &decypted));
- EXPECT_EQ(plaintext, decypted);
-}
-
-// Not all platforms allow import/generation of symmetric keys with an
-// unsupported size.
-#if !defined(OS_WIN) && !defined(USE_NSS)
-TEST(EncryptorTest, UnsupportedKeySize) {
- std::string key = "7 = bad";
- std::string iv = "Sweet Sixteen IV";
- scoped_ptr<base::SymmetricKey> sym_key(base::SymmetricKey::Import(
- base::SymmetricKey::AES, key));
- ASSERT_TRUE(NULL != sym_key.get());
-
- base::Encryptor encryptor;
- // The IV must be exactly as long a the cipher block size.
- EXPECT_EQ(16U, iv.size());
- EXPECT_FALSE(encryptor.Init(sym_key.get(), base::Encryptor::CBC, iv));
-}
-#endif // unsupported platforms.
-
-TEST(EncryptorTest, UnsupportedIV) {
- std::string key = "128=SixteenBytes";
- std::string iv = "OnlyForteen :(";
- scoped_ptr<base::SymmetricKey> sym_key(base::SymmetricKey::Import(
- base::SymmetricKey::AES, key));
- ASSERT_TRUE(NULL != sym_key.get());
-
- base::Encryptor encryptor;
- EXPECT_FALSE(encryptor.Init(sym_key.get(), base::Encryptor::CBC, iv));
-}
-
-TEST(EncryptorTest, EmptyEncrypt) {
- std::string key = "128=SixteenBytes";
- std::string iv = "Sweet Sixteen IV";
- std::string plaintext;
- std::string expected_ciphertext_hex = "8518B8878D34E7185E300D0FCC426396";
-
- scoped_ptr<base::SymmetricKey> sym_key(base::SymmetricKey::Import(
- base::SymmetricKey::AES, key));
- ASSERT_TRUE(NULL != sym_key.get());
-
- base::Encryptor encryptor;
- // The IV must be exactly as long a the cipher block size.
- EXPECT_EQ(16U, iv.size());
- EXPECT_TRUE(encryptor.Init(sym_key.get(), base::Encryptor::CBC, iv));
-
- std::string ciphertext;
- EXPECT_TRUE(encryptor.Encrypt(plaintext, &ciphertext));
- EXPECT_EQ(expected_ciphertext_hex, base::HexEncode(ciphertext.data(),
- ciphertext.size()));
-}
-
-TEST(EncryptorTest, EmptyDecrypt) {
- std::string key = "128=SixteenBytes";
- std::string iv = "Sweet Sixteen IV";
-
- scoped_ptr<base::SymmetricKey> sym_key(base::SymmetricKey::Import(
- base::SymmetricKey::AES, key));
- ASSERT_TRUE(NULL != sym_key.get());
-
- base::Encryptor encryptor;
- // The IV must be exactly as long a the cipher block size.
- EXPECT_EQ(16U, iv.size());
- EXPECT_TRUE(encryptor.Init(sym_key.get(), base::Encryptor::CBC, iv));
-
- std::string decrypted;
- EXPECT_FALSE(encryptor.Decrypt("", &decrypted));
- EXPECT_EQ("", decrypted);
-}
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