Remove the non-RFC 7539 variants of ChaCha20Poly1305 crypters in QUIC

net/quic/crypto/chacha20_poly1305_encrypter_test.cc

-// Copyright 2014 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/quic/crypto/chacha20_poly1305_encrypter.h"
-
-#include "net/quic/test_tools/quic_test_utils.h"
-
-using base::StringPiece;
-using std::string;
-
-namespace {
-
-// The test vectors come from draft-agl-tls-chacha20poly1305-04 Section 7.
-
-// Each test vector consists of five strings of lowercase hexadecimal digits.
-// The strings may be empty (zero length). A test vector with a nullptr |key|
-// marks the end of an array of test vectors.
-struct TestVector {
-  const char* key;
-  const char* pt;
-  const char* iv;
-  const char* aad;
-  const char* ct;
-};
-
-const TestVector test_vectors[] = {
-    {
-        "4290bcb154173531f314af57f3be3b5006da371ece272afa1b5dbdd110"
-        "0a1007",
-        "86d09974840bded2a5ca", "cd7cf67be39c794a", "87e229d4500845a079c0",
-        "e3e446f7ede9a19b62a4677dabf4e3d24b876bb28475"  // "3896e1d6" truncated.
-    },
-    {nullptr}};
-
-}  // namespace
-
-namespace net {
-namespace test {
-
-// EncryptWithNonce wraps the |Encrypt| method of |encrypter| to allow passing
-// in an nonce and also to allocate the buffer needed for the ciphertext.
-QuicData* EncryptWithNonce(ChaCha20Poly1305Encrypter* encrypter,
-                           StringPiece nonce,
-                           StringPiece associated_data,
-                           StringPiece plaintext) {
-  size_t ciphertext_size = encrypter->GetCiphertextSize(plaintext.length());
-  scoped_ptr<char[]> ciphertext(new char[ciphertext_size]);
-
-  if (!encrypter->Encrypt(nonce, associated_data, plaintext,
-                          reinterpret_cast<unsigned char*>(ciphertext.get()))) {
-    return nullptr;
-  }
-
-  return new QuicData(ciphertext.release(), ciphertext_size, true);
-}
-
-TEST(ChaCha20Poly1305EncrypterTest, Encrypt) {
-  for (size_t i = 0; test_vectors[i].key != nullptr; i++) {
-    // Decode the test vector.
-    string key;
-    string pt;
-    string iv;
-    string aad;
-    string ct;
-    ASSERT_TRUE(DecodeHexString(test_vectors[i].key, &key));
-    ASSERT_TRUE(DecodeHexString(test_vectors[i].pt, &pt));
-    ASSERT_TRUE(DecodeHexString(test_vectors[i].iv, &iv));
-    ASSERT_TRUE(DecodeHexString(test_vectors[i].aad, &aad));
-    ASSERT_TRUE(DecodeHexString(test_vectors[i].ct, &ct));
-
-    ChaCha20Poly1305Encrypter encrypter;
-    ASSERT_TRUE(encrypter.SetKey(key));
-    scoped_ptr<QuicData> encrypted(EncryptWithNonce(
-        &encrypter, iv,
-        // This deliberately tests that the encrypter can handle an AAD that
-        // is set to nullptr, as opposed to a zero-length, non-nullptr pointer.
-        StringPiece(aad.length() ? aad.data() : nullptr, aad.length()), pt));
-    ASSERT_TRUE(encrypted.get());
-
-    test::CompareCharArraysWithHexError("ciphertext", encrypted->data(),
-                                        encrypted->length(), ct.data(),
-                                        ct.length());
-  }
-}
-
-TEST(ChaCha20Poly1305EncrypterTest, GetMaxPlaintextSize) {
-  ChaCha20Poly1305Encrypter encrypter;
-  EXPECT_EQ(1000u, encrypter.GetMaxPlaintextSize(1012));
-  EXPECT_EQ(100u, encrypter.GetMaxPlaintextSize(112));
-  EXPECT_EQ(10u, encrypter.GetMaxPlaintextSize(22));
-}
-
-TEST(ChaCha20Poly1305EncrypterTest, GetCiphertextSize) {
-  ChaCha20Poly1305Encrypter encrypter;
-  EXPECT_EQ(1012u, encrypter.GetCiphertextSize(1000));
-  EXPECT_EQ(112u, encrypter.GetCiphertextSize(100));
-  EXPECT_EQ(22u, encrypter.GetCiphertextSize(10));
-}
-
-}  // namespace test
-}  // namespace net