crypto/ec_signature_creator_unittest.cc

   1 // Copyright 2012 The Chromium Authors
   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 <stdint.h>
   8
   9 #include <memory>
  10 #include <string>
  11 #include <vector>
  12
  13 #include "crypto/ec_private_key.h"
  14 #include "crypto/signature_verifier.h"
  15 #include "testing/gtest/include/gtest/gtest.h"
  16
  17 // TODO(rch): Add some exported keys from each to
  18 // test interop between NSS and OpenSSL.
  19
  20 TEST(ECSignatureCreatorTest, BasicTest) {
  21   // Do a verify round trip.
  22   std::unique_ptr<crypto::ECPrivateKey> key_original(
  23       crypto::ECPrivateKey::Create());
  24   ASSERT_TRUE(key_original);
  25
  26   std::vector<uint8_t> key_info;
  27   ASSERT_TRUE(key_original->ExportPrivateKey(&key_info));
  28
  29   std::unique_ptr<crypto::ECPrivateKey> key(
  30       crypto::ECPrivateKey::CreateFromPrivateKeyInfo(key_info));
  31   ASSERT_TRUE(key);
  32   ASSERT_TRUE(key->key());
  33
  34   std::unique_ptr<crypto::ECSignatureCreator> signer(
  35       crypto::ECSignatureCreator::Create(key.get()));
  36   ASSERT_TRUE(signer);
  37
  38   std::string data("Hello, World!");
  39   std::vector<uint8_t> signature;
  40   ASSERT_TRUE(signer->Sign(base::as_bytes(base::make_span(data)), &signature));
  41
  42   std::vector<uint8_t> public_key_info;
  43   ASSERT_TRUE(key_original->ExportPublicKey(&public_key_info));
  44
  45   crypto::SignatureVerifier verifier;
  46   ASSERT_TRUE(verifier.VerifyInit(crypto::SignatureVerifier::ECDSA_SHA256,
  47                                   signature, public_key_info));
  48
  49   verifier.VerifyUpdate(base::as_bytes(base::make_span(data)));
  50   ASSERT_TRUE(verifier.VerifyFinal());
  51 }