html_viewer: Move webcrypto to a place where html_viewer can use it.

content/child/webcrypto/test/ecdsa_unittest.cc

Index: content/child/webcrypto/test/ecdsa_unittest.cc
diff --git a/content/child/webcrypto/test/ecdsa_unittest.cc b/content/child/webcrypto/test/ecdsa_unittest.cc
deleted file mode 100644
index 3e948a27fa520a43f17351fc5758b7c623ead0d3..0000000000000000000000000000000000000000
--- a/content/child/webcrypto/test/ecdsa_unittest.cc
+++ /dev/null
@@ -1,379 +0,0 @@
-// 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 "base/stl_util.h"
-#include "content/child/webcrypto/algorithm_dispatch.h"
-#include "content/child/webcrypto/crypto_data.h"
-#include "content/child/webcrypto/jwk.h"
-#include "content/child/webcrypto/status.h"
-#include "content/child/webcrypto/test/test_helpers.h"
-#include "content/child/webcrypto/webcrypto_util.h"
-#include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h"
-#include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
-
-namespace content {
-
-namespace webcrypto {
-
-namespace {
-
-bool SupportsEcdsa() {
-#if defined(USE_OPENSSL)
-  return true;
-#else
-  LOG(ERROR) << "Skipping ECDSA test because unsupported";
-  return false;
-#endif
-}
-
-blink::WebCryptoAlgorithm CreateEcdsaKeyGenAlgorithm(
-    blink::WebCryptoNamedCurve named_curve) {
-  return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
-      blink::WebCryptoAlgorithmIdEcdsa,
-      new blink::WebCryptoEcKeyGenParams(named_curve));
-}
-
-blink::WebCryptoAlgorithm CreateEcdsaImportAlgorithm(
-    blink::WebCryptoNamedCurve named_curve) {
-  return CreateEcImportAlgorithm(blink::WebCryptoAlgorithmIdEcdsa, named_curve);
-}
-
-blink::WebCryptoAlgorithm CreateEcdsaAlgorithm(
-    blink::WebCryptoAlgorithmId hash_id) {
-  return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
-      blink::WebCryptoAlgorithmIdEcdsa,
-      new blink::WebCryptoEcdsaParams(CreateAlgorithm(hash_id)));
-}
-
-// Generates some ECDSA key pairs. Validates basic properties on the keys, and
-// ensures the serialized key (as JWK) is unique. This test does nothing to
-// ensure that the keys are otherwise usable (by trying to sign/verify with
-// them).
-TEST(WebCryptoEcdsaTest, GenerateKeyIsRandom) {
-  if (!SupportsEcdsa())
-    return;
-
-  blink::WebCryptoNamedCurve named_curve = blink::WebCryptoNamedCurveP256;
-
-  std::vector<std::vector<uint8_t>> serialized_keys;
-
-  // Generate a small sample of keys.
-  for (int j = 0; j < 4; ++j) {
-    blink::WebCryptoKey public_key;
-    blink::WebCryptoKey private_key;
-
-    ASSERT_EQ(Status::Success(),
-              GenerateKeyPair(CreateEcdsaKeyGenAlgorithm(named_curve), true,
-                              blink::WebCryptoKeyUsageSign, &public_key,
-                              &private_key));
-
-    // Basic sanity checks on the generated key pair.
-    EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key.type());
-    EXPECT_EQ(blink::WebCryptoKeyTypePrivate, private_key.type());
-    EXPECT_EQ(named_curve, public_key.algorithm().ecParams()->namedCurve());
-    EXPECT_EQ(named_curve, private_key.algorithm().ecParams()->namedCurve());
-
-    // Export the key pair to JWK.
-    std::vector<uint8_t> key_bytes;
-    ASSERT_EQ(Status::Success(),
-              ExportKey(blink::WebCryptoKeyFormatJwk, public_key, &key_bytes));
-    serialized_keys.push_back(key_bytes);
-
-    ASSERT_EQ(Status::Success(),
-              ExportKey(blink::WebCryptoKeyFormatJwk, private_key, &key_bytes));
-    serialized_keys.push_back(key_bytes);
-  }
-
-  // Ensure all entries in the key sample set are unique. This is a simplistic
-  // estimate of whether the generated keys appear random.
-  EXPECT_FALSE(CopiesExist(serialized_keys));
-}
-
-TEST(WebCryptoEcdsaTest, GenerateKeyEmptyUsage) {
-  if (!SupportsEcdsa())
-    return;
-
-  blink::WebCryptoNamedCurve named_curve = blink::WebCryptoNamedCurveP256;
-  blink::WebCryptoKey public_key;
-  blink::WebCryptoKey private_key;
-  ASSERT_EQ(Status::ErrorCreateKeyEmptyUsages(),
-            GenerateKeyPair(CreateEcdsaKeyGenAlgorithm(named_curve), true, 0,
-                            &public_key, &private_key));
-}
-
-// Verify that ECDSA signatures are probabilistic. Signing the same message two
-// times should yield different signatures. However both signatures should
-// verify correctly.
-TEST(WebCryptoEcdsaTest, SignatureIsRandom) {
-  if (!SupportsEcdsa())
-    return;
-
-  // Import a public and private keypair from "ec_private_keys.json". It doesn't
-  // really matter which one is used since they are all valid. In this case
-  // using the first one.
-  scoped_ptr<base::ListValue> private_keys;
-  ASSERT_TRUE(ReadJsonTestFileToList("ec_private_keys.json", &private_keys));
-  const base::DictionaryValue* key_dict;
-  ASSERT_TRUE(private_keys->GetDictionary(0, &key_dict));
-  blink::WebCryptoNamedCurve curve = GetCurveNameFromDictionary(key_dict);
-  const base::DictionaryValue* key_jwk;
-  ASSERT_TRUE(key_dict->GetDictionary("jwk", &key_jwk));
-
-  blink::WebCryptoKey private_key;
-  ASSERT_EQ(
-      Status::Success(),
-      ImportKeyJwkFromDict(*key_jwk, CreateEcdsaImportAlgorithm(curve), true,
-                           blink::WebCryptoKeyUsageSign, &private_key));
-
-  // Erase the "d" member so the private key JWK can be used to import the
-  // public key (WebCrypto doesn't provide a mechanism for importing a public
-  // key given a private key).
-  scoped_ptr<base::DictionaryValue> key_jwk_copy(key_jwk->DeepCopy());
-  key_jwk_copy->Remove("d", NULL);
-  blink::WebCryptoKey public_key;
-  ASSERT_EQ(Status::Success(),
-            ImportKeyJwkFromDict(*key_jwk_copy.get(),
-                                 CreateEcdsaImportAlgorithm(curve), true,
-                                 blink::WebCryptoKeyUsageVerify, &public_key));
-
-  // Sign twice
-  std::vector<uint8_t> message(10);
-  blink::WebCryptoAlgorithm algorithm =
-      CreateEcdsaAlgorithm(blink::WebCryptoAlgorithmIdSha1);
-
-  std::vector<uint8_t> signature1;
-  std::vector<uint8_t> signature2;
-  ASSERT_EQ(Status::Success(),
-            Sign(algorithm, private_key, CryptoData(message), &signature1));
-  ASSERT_EQ(Status::Success(),
-            Sign(algorithm, private_key, CryptoData(message), &signature2));
-
-  // The two signatures should be different.
-  EXPECT_NE(CryptoData(signature1), CryptoData(signature2));
-
-  // And both should be valid signatures which can be verified.
-  bool signature_matches;
-  ASSERT_EQ(Status::Success(),
-            Verify(algorithm, public_key, CryptoData(signature1),
-                   CryptoData(message), &signature_matches));
-  EXPECT_TRUE(signature_matches);
-  ASSERT_EQ(Status::Success(),
-            Verify(algorithm, public_key, CryptoData(signature2),
-                   CryptoData(message), &signature_matches));
-  EXPECT_TRUE(signature_matches);
-}
-
-// Tests verify() for ECDSA using an assortment of keys, curves and hashes.
-// These tests also include expected failures for bad signatures and keys.
-TEST(WebCryptoEcdsaTest, VerifyKnownAnswer) {
-  if (!SupportsEcdsa())
-    return;
-
-  scoped_ptr<base::ListValue> tests;
-  ASSERT_TRUE(ReadJsonTestFileToList("ecdsa.json", &tests));
-
-  for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) {
-    SCOPED_TRACE(test_index);
-
-    const base::DictionaryValue* test;
-    ASSERT_TRUE(tests->GetDictionary(test_index, &test));
-
-    blink::WebCryptoNamedCurve curve = GetCurveNameFromDictionary(test);
-    blink::WebCryptoKeyFormat key_format = GetKeyFormatFromJsonTestCase(test);
-    std::vector<uint8_t> key_data =
-        GetKeyDataFromJsonTestCase(test, key_format);
-
-    // If the test didn't specify an error, that implies it expects success.
-    std::string expected_error = "Success";
-    test->GetString("error", &expected_error);
-
-    // Import the public key.
-    blink::WebCryptoKey key;
-    Status status = ImportKey(key_format, CryptoData(key_data),
-                              CreateEcdsaImportAlgorithm(curve), true,
-                              blink::WebCryptoKeyUsageVerify, &key);
-    ASSERT_EQ(expected_error, StatusToString(status));
-    if (status.IsError())
-      continue;
-
-    // Basic sanity checks on the imported public key.
-    EXPECT_EQ(blink::WebCryptoKeyTypePublic, key.type());
-    EXPECT_EQ(blink::WebCryptoKeyUsageVerify, key.usages());
-    EXPECT_EQ(curve, key.algorithm().ecParams()->namedCurve());
-
-    // Now try to verify the given message and signature.
-    std::vector<uint8_t> message = GetBytesFromHexString(test, "msg");
-    std::vector<uint8_t> signature = GetBytesFromHexString(test, "sig");
-    blink::WebCryptoAlgorithm hash = GetDigestAlgorithm(test, "hash");
-
-    bool verify_result;
-    status = Verify(CreateEcdsaAlgorithm(hash.id()), key, CryptoData(signature),
-                    CryptoData(message), &verify_result);
-    ASSERT_EQ(expected_error, StatusToString(status));
-    if (status.IsError())
-      continue;
-
-    // If no error was expected, the verification's boolean must match
-    // "verify_result" for the test.
-    bool expected_result = false;
-    ASSERT_TRUE(test->GetBoolean("verify_result", &expected_result));
-    EXPECT_EQ(expected_result, verify_result);
-  }
-}
-
-// The test file may include either public or private keys. In order to import
-// them successfully, the correct usages need to be specified. This function
-// determines what usages to use for the key.
-blink::WebCryptoKeyUsageMask GetExpectedUsagesForKeyImport(
-    blink::WebCryptoKeyFormat key_format,
-    const base::DictionaryValue* test) {
-  blink::WebCryptoKeyUsageMask kPublicUsages = blink::WebCryptoKeyUsageVerify;
-  blink::WebCryptoKeyUsageMask kPrivateUsages = blink::WebCryptoKeyUsageSign;
-
-  switch (key_format) {
-    case blink::WebCryptoKeyFormatRaw:
-    case blink::WebCryptoKeyFormatSpki:
-      return kPublicUsages;
-    case blink::WebCryptoKeyFormatPkcs8:
-      return kPrivateUsages;
-      break;
-    case blink::WebCryptoKeyFormatJwk: {
-      const base::DictionaryValue* key = NULL;
-      if (!test->GetDictionary("key", &key))
-        ADD_FAILURE() << "Missing key property";
-      return key->HasKey("d") ? kPrivateUsages : kPublicUsages;
-    }
-  }
-
-  // Appease compiler.
-  return kPrivateUsages;
-}
-
-// Tests importing bad public/private keys in a variety of formats.
-TEST(WebCryptoEcdsaTest, ImportBadKeys) {
-  if (!SupportsEcdsa())
-    return;
-
-  scoped_ptr<base::ListValue> tests;
-  ASSERT_TRUE(ReadJsonTestFileToList("bad_ec_keys.json", &tests));
-
-  for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) {
-    SCOPED_TRACE(test_index);
-
-    const base::DictionaryValue* test;
-    ASSERT_TRUE(tests->GetDictionary(test_index, &test));
-
-    blink::WebCryptoNamedCurve curve = GetCurveNameFromDictionary(test);
-    blink::WebCryptoKeyFormat key_format = GetKeyFormatFromJsonTestCase(test);
-    std::vector<uint8_t> key_data =
-        GetKeyDataFromJsonTestCase(test, key_format);
-    std::string expected_error;
-    ASSERT_TRUE(test->GetString("error", &expected_error));
-
-    blink::WebCryptoKey key;
-    Status status = ImportKey(
-        key_format, CryptoData(key_data), CreateEcdsaImportAlgorithm(curve),
-        true, GetExpectedUsagesForKeyImport(key_format, test), &key);
-    ASSERT_EQ(expected_error, StatusToString(status));
-  }
-}
-
-// Tests importing and exporting of EC private keys, using both JWK and PKCS8
-// formats.
-//
-// The test imports a key first using JWK, and then exporting it to JWK and
-// PKCS8. It does the same thing using PKCS8 as the original source of truth.
-TEST(WebCryptoEcdsaTest, ImportExportPrivateKey) {
-  if (!SupportsEcdsa())
-    return;
-
-  scoped_ptr<base::ListValue> tests;
-  ASSERT_TRUE(ReadJsonTestFileToList("ec_private_keys.json", &tests));
-
-  for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) {
-    SCOPED_TRACE(test_index);
-
-    const base::DictionaryValue* test;
-    ASSERT_TRUE(tests->GetDictionary(test_index, &test));
-
-    blink::WebCryptoNamedCurve curve = GetCurveNameFromDictionary(test);
-    const base::DictionaryValue* jwk_dict;
-    EXPECT_TRUE(test->GetDictionary("jwk", &jwk_dict));
-    std::vector<uint8_t> jwk_bytes = MakeJsonVector(*jwk_dict);
-    std::vector<uint8_t> pkcs8_bytes = GetBytesFromHexString(
-        test, test->HasKey("exported_pkcs8") ? "exported_pkcs8" : "pkcs8");
-
-    // -------------------------------------------------
-    // Test from JWK, and then export to {JWK, PKCS8}
-    // -------------------------------------------------
-
-    // Import the key using JWK
-    blink::WebCryptoKey key;
-    ASSERT_EQ(Status::Success(),
-              ImportKey(blink::WebCryptoKeyFormatJwk, CryptoData(jwk_bytes),
-                        CreateEcdsaImportAlgorithm(curve), true,
-                        blink::WebCryptoKeyUsageSign, &key));
-
-    // Export the key as JWK
-    std::vector<uint8_t> exported_bytes;
-    ASSERT_EQ(Status::Success(),
-              ExportKey(blink::WebCryptoKeyFormatJwk, key, &exported_bytes));
-
-    // NOTE: The exported bytes can't be directly compared to jwk_bytes because
-    // the exported JWK differs from the imported one. In particular it contains
-    // extra properties for extractability and key_ops.
-    //
-    // Verification is instead done by using the first exported JWK bytes as the
-    // expectation.
-    jwk_bytes = exported_bytes;
-    ASSERT_EQ(Status::Success(),
-              ImportKey(blink::WebCryptoKeyFormatJwk, CryptoData(jwk_bytes),
-                        CreateEcdsaImportAlgorithm(curve), true,
-                        blink::WebCryptoKeyUsageSign, &key));
-
-    // Export the key as JWK (again)
-    ASSERT_EQ(Status::Success(),
-              ExportKey(blink::WebCryptoKeyFormatJwk, key, &exported_bytes));
-    EXPECT_EQ(CryptoData(jwk_bytes), CryptoData(exported_bytes));
-
-    // Export the key as PKCS8
-    ASSERT_EQ(Status::Success(),
-              ExportKey(blink::WebCryptoKeyFormatPkcs8, key, &exported_bytes));
-    EXPECT_EQ(CryptoData(pkcs8_bytes), CryptoData(exported_bytes));
-
-    // -------------------------------------------------
-    // Test from PKCS8, and then export to {JWK, PKCS8}
-    // -------------------------------------------------
-
-    // The imported PKCS8 bytes may differ from the exported bytes (in the case
-    // where the publicKey was missing, it will be synthesized and written back
-    // during export).
-    std::vector<uint8_t> pkcs8_input_bytes = GetBytesFromHexString(
-        test, test->HasKey("original_pkcs8") ? "original_pkcs8" : "pkcs8");
-    CryptoData pkcs8_input_data(pkcs8_input_bytes.empty() ? pkcs8_bytes
-                                                          : pkcs8_input_bytes);
-
-    // Import the key using PKCS8
-    ASSERT_EQ(Status::Success(),
-              ImportKey(blink::WebCryptoKeyFormatPkcs8, pkcs8_input_data,
-                        CreateEcdsaImportAlgorithm(curve), true,
-                        blink::WebCryptoKeyUsageSign, &key));
-
-    // Export the key as PKCS8
-    ASSERT_EQ(Status::Success(),
-              ExportKey(blink::WebCryptoKeyFormatPkcs8, key, &exported_bytes));
-    EXPECT_EQ(CryptoData(pkcs8_bytes), CryptoData(exported_bytes));
-
-    // Export the key as JWK
-    ASSERT_EQ(Status::Success(),
-              ExportKey(blink::WebCryptoKeyFormatJwk, key, &exported_bytes));
-    EXPECT_EQ(CryptoData(jwk_bytes), CryptoData(exported_bytes));
-  }
-}
-
-}  // namespace
-
-}  // namespace webcrypto
-
-}  // namespace content