crypto/ec_signature_creator_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "crypto/ec_signature_creator.h"
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "crypto/ec_private_key.h"
  12 #include "crypto/signature_verifier.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14
  15 #if defined(USE_OPENSSL)
  16 // Once ECSignatureCreator is implemented for OpenSSL, remove this #if block.
  17 // TODO(rch): When that happens, also add some exported keys from each to
  18 // test interop between NSS and OpenSSL.
  19 TEST(ECSignatureCreatorTest, OpenSSLStub) {
  20   scoped_ptr<crypto::ECSignatureCreator> signer(
  21       crypto::ECSignatureCreator::Create(NULL));
  22   ASSERT_FALSE(signer.get());
  23 }
  24 #else
  25 TEST(ECSignatureCreatorTest, BasicTest) {
  26   // Do a verify round trip.
  27   scoped_ptr<crypto::ECPrivateKey> key_original(
  28       crypto::ECPrivateKey::Create());
  29   ASSERT_TRUE(key_original.get());
  30
  31   std::vector<uint8> key_info;
  32   ASSERT_TRUE(key_original->ExportEncryptedPrivateKey("", 1000, &key_info));
  33   std::vector<uint8> pubkey_info;
  34   ASSERT_TRUE(key_original->ExportPublicKey(&pubkey_info));
  35
  36   scoped_ptr<crypto::ECPrivateKey> key(
  37       crypto::ECPrivateKey::CreateFromEncryptedPrivateKeyInfo("", key_info,
  38                                                               pubkey_info));
  39   ASSERT_TRUE(key.get());
  40   ASSERT_TRUE(key->key() != NULL);
  41
  42   scoped_ptr<crypto::ECSignatureCreator> signer(
  43       crypto::ECSignatureCreator::Create(key.get()));
  44   ASSERT_TRUE(signer.get());
  45
  46   std::string data("Hello, World!");
  47   std::vector<uint8> signature;
  48   ASSERT_TRUE(signer->Sign(reinterpret_cast<const uint8*>(data.c_str()),
  49                            data.size(),
  50                            &signature));
  51
  52   std::vector<uint8> public_key_info;
  53   ASSERT_TRUE(key_original->ExportPublicKey(&public_key_info));
  54
  55   // This is the algorithm ID for SHA-1 with EC encryption.
  56   const uint8 kECDSAWithSHA1AlgorithmID[] = {
  57     0x30, 0x0b,
  58       0x06, 0x07,
  59         0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x01,
  60       0x05, 0x00
  61   };
  62   crypto::SignatureVerifier verifier;
  63   ASSERT_TRUE(verifier.VerifyInit(
  64       kECDSAWithSHA1AlgorithmID, sizeof(kECDSAWithSHA1AlgorithmID),
  65       &signature.front(), signature.size(),
  66       &public_key_info.front(), public_key_info.size()));
  67
  68   verifier.VerifyUpdate(reinterpret_cast<const uint8*>(data.c_str()),
  69                         data.size());
  70   ASSERT_TRUE(verifier.VerifyFinal());
  71 }
  72 #endif  // !defined(USE_OPENSSL)