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_TRUE(signer.get());
  23   EXPECT_FALSE(signer->Sign(NULL, 0, NULL));
  24 }
  25 #else
  26 TEST(ECSignatureCreatorTest, BasicTest) {
  27   // Do a verify round trip.
  28   scoped_ptr<crypto::ECPrivateKey> key_original(
  29       crypto::ECPrivateKey::Create());
  30   ASSERT_TRUE(key_original.get());
  31
  32   std::vector<uint8> key_info;
  33   ASSERT_TRUE(
  34       key_original->ExportEncryptedPrivateKey(std::string(), 1000, &key_info));
  35   std::vector<uint8> pubkey_info;
  36   ASSERT_TRUE(key_original->ExportPublicKey(&pubkey_info));
  37
  38   scoped_ptr<crypto::ECPrivateKey> key(
  39       crypto::ECPrivateKey::CreateFromEncryptedPrivateKeyInfo(
  40           std::string(), key_info, pubkey_info));
  41   ASSERT_TRUE(key.get());
  42   ASSERT_TRUE(key->key() != NULL);
  43
  44   scoped_ptr<crypto::ECSignatureCreator> signer(
  45       crypto::ECSignatureCreator::Create(key.get()));
  46   ASSERT_TRUE(signer.get());
  47
  48   std::string data("Hello, World!");
  49   std::vector<uint8> signature;
  50   ASSERT_TRUE(signer->Sign(reinterpret_cast<const uint8*>(data.c_str()),
  51                            data.size(),
  52                            &signature));
  53
  54   std::vector<uint8> public_key_info;
  55   ASSERT_TRUE(key_original->ExportPublicKey(&public_key_info));
  56
  57   // This is the algorithm ID for SHA-256 with EC encryption.
  58   const uint8 kECDSAWithSHA256AlgorithmID[] = {
  59     0x30, 0x0c,
  60       0x06, 0x08,
  61         0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02,
  62       0x05, 0x00
  63   };
  64   crypto::SignatureVerifier verifier;
  65   ASSERT_TRUE(verifier.VerifyInit(
  66       kECDSAWithSHA256AlgorithmID, sizeof(kECDSAWithSHA256AlgorithmID),
  67       &signature[0], signature.size(),
  68       &public_key_info.front(), public_key_info.size()));
  69
  70   verifier.VerifyUpdate(reinterpret_cast<const uint8*>(data.c_str()),
  71                         data.size());
  72   ASSERT_TRUE(verifier.VerifyFinal());
  73 }
  74 #endif  // !defined(USE_OPENSSL)