crypto/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 <vector>
   6
   7 #include "base/memory/scoped_ptr.h"
   8 #include "crypto/rsa_private_key.h"
   9 #include "crypto/signature_creator.h"
  10 #include "crypto/signature_verifier.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12
  13 TEST(SignatureCreatorTest, BasicTest) {
  14   // Do a verify round trip.
  15   scoped_ptr<crypto::RSAPrivateKey> key_original(
  16       crypto::RSAPrivateKey::Create(1024));
  17   ASSERT_TRUE(key_original.get());
  18
  19   std::vector<uint8> key_info;
  20   key_original->ExportPrivateKey(&key_info);
  21   scoped_ptr<crypto::RSAPrivateKey> key(
  22       crypto::RSAPrivateKey::CreateFromPrivateKeyInfo(key_info));
  23   ASSERT_TRUE(key.get());
  24
  25   scoped_ptr<crypto::SignatureCreator> signer(
  26       crypto::SignatureCreator::Create(key.get()));
  27   ASSERT_TRUE(signer.get());
  28
  29   std::string data("Hello, World!");
  30   ASSERT_TRUE(signer->Update(reinterpret_cast<const uint8*>(data.c_str()),
  31                              data.size()));
  32
  33   std::vector<uint8> signature;
  34   ASSERT_TRUE(signer->Final(&signature));
  35
  36   std::vector<uint8> public_key_info;
  37   ASSERT_TRUE(key_original->ExportPublicKey(&public_key_info));
  38
  39   // This is the algorithm ID for SHA-1 with RSA encryption.
  40   // TODO(aa): Factor this out into some shared location.
  41   const uint8 kSHA1WithRSAAlgorithmID[] = {
  42     0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
  43     0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05, 0x00
  44   };
  45   crypto::SignatureVerifier verifier;
  46   ASSERT_TRUE(verifier.VerifyInit(
  47       kSHA1WithRSAAlgorithmID, sizeof(kSHA1WithRSAAlgorithmID),
  48       &signature.front(), signature.size(),
  49       &public_key_info.front(), public_key_info.size()));
  50
  51   verifier.VerifyUpdate(reinterpret_cast<const uint8*>(data.c_str()),
  52                         data.size());
  53   ASSERT_TRUE(verifier.VerifyFinal());
  54 }