GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: crypto/crypto_sig.h Lines: 3 7 42.9 %
Date: 2022-08-17 04:19:55 Branches: 0 0 - %

Line Branch Exec Source
1
#ifndef SRC_CRYPTO_CRYPTO_SIG_H_
2
#define SRC_CRYPTO_CRYPTO_SIG_H_
3
4
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
5
6
#include "base_object.h"
7
#include "crypto/crypto_keys.h"
8
#include "crypto/crypto_util.h"
9
#include "env.h"
10
#include "memory_tracker.h"
11
12
namespace node {
13
namespace crypto {
14
static const unsigned int kNoDsaSignature = static_cast<unsigned int>(-1);
15
16
enum DSASigEnc {
17
  kSigEncDER,
18
  kSigEncP1363
19
};
20
21
class SignBase : public BaseObject {
22
 public:
23
  enum Error {
24
    kSignOk,
25
    kSignUnknownDigest,
26
    kSignInit,
27
    kSignNotInitialised,
28
    kSignUpdate,
29
    kSignPrivateKey,
30
    kSignPublicKey,
31
    kSignMalformedSignature
32
  };
33
34
  SignBase(Environment* env, v8::Local<v8::Object> wrap);
35
36
  Error Init(const char* sign_type);
37
  Error Update(const char* data, size_t len);
38
39
  // TODO(joyeecheung): track the memory used by OpenSSL types
40
  void MemoryInfo(MemoryTracker* tracker) const override;
41
  SET_MEMORY_INFO_NAME(SignBase)
42
  SET_SELF_SIZE(SignBase)
43
44
 protected:
45
  EVPMDPointer mdctx_;
46
};
47
48
class Sign : public SignBase {
49
 public:
50
  static void Initialize(Environment* env, v8::Local<v8::Object> target);
51
  static void RegisterExternalReferences(ExternalReferenceRegistry* registry);
52
53
  struct SignResult {
54
    Error error;
55
    std::unique_ptr<v8::BackingStore> signature;
56
57
112
    explicit SignResult(
58
        Error err,
59
        std::unique_ptr<v8::BackingStore>&& sig = nullptr)
60
112
      : error(err), signature(std::move(sig)) {}
61
  };
62
63
  SignResult SignFinal(
64
      const ManagedEVPPKey& pkey,
65
      int padding,
66
      const v8::Maybe<int>& saltlen,
67
      DSASigEnc dsa_sig_enc);
68
69
  static void SignSync(const v8::FunctionCallbackInfo<v8::Value>& args);
70
71
 protected:
72
  static void New(const v8::FunctionCallbackInfo<v8::Value>& args);
73
  static void SignInit(const v8::FunctionCallbackInfo<v8::Value>& args);
74
  static void SignUpdate(const v8::FunctionCallbackInfo<v8::Value>& args);
75
  static void SignFinal(const v8::FunctionCallbackInfo<v8::Value>& args);
76
77
  Sign(Environment* env, v8::Local<v8::Object> wrap);
78
};
79
80
class Verify : public SignBase {
81
 public:
82
  static void Initialize(Environment* env, v8::Local<v8::Object> target);
83
  static void RegisterExternalReferences(ExternalReferenceRegistry* registry);
84
85
  Error VerifyFinal(const ManagedEVPPKey& key,
86
                    const ByteSource& sig,
87
                    int padding,
88
                    const v8::Maybe<int>& saltlen,
89
                    bool* verify_result);
90
91
  static void VerifySync(const v8::FunctionCallbackInfo<v8::Value>& args);
92
93
 protected:
94
  static void New(const v8::FunctionCallbackInfo<v8::Value>& args);
95
  static void VerifyInit(const v8::FunctionCallbackInfo<v8::Value>& args);
96
  static void VerifyUpdate(const v8::FunctionCallbackInfo<v8::Value>& args);
97
  static void VerifyFinal(const v8::FunctionCallbackInfo<v8::Value>& args);
98
99
  Verify(Environment* env, v8::Local<v8::Object> wrap);
100
};
101
102
struct SignConfiguration final : public MemoryRetainer {
103
  enum Mode {
104
    kSign,
105
    kVerify
106
  };
107
  enum Flags {
108
    kHasNone = 0,
109
    kHasSaltLength = 1,
110
    kHasPadding = 2
111
  };
112
113
  CryptoJobMode job_mode;
114
  Mode mode;
115
  ManagedEVPPKey key;
116
  ByteSource data;
117
  ByteSource signature;
118
  const EVP_MD* digest = nullptr;
119
  int flags = SignConfiguration::kHasNone;
120
  int padding = 0;
121
  int salt_length = 0;
122
  DSASigEnc dsa_encoding = kSigEncDER;
123
124
1496
  SignConfiguration() = default;
125
126
  explicit SignConfiguration(SignConfiguration&& other) noexcept;
127
128
  SignConfiguration& operator=(SignConfiguration&& other) noexcept;
129
130
  void MemoryInfo(MemoryTracker* tracker) const override;
131
  SET_MEMORY_INFO_NAME(SignConfiguration)
132
  SET_SELF_SIZE(SignConfiguration)
133
};
134
135
struct SignTraits final {
136
  using AdditionalParameters = SignConfiguration;
137
  static constexpr const char* JobName = "SignJob";
138
139
// TODO(@jasnell): Sign request vs. Verify request
140
141
  static constexpr AsyncWrap::ProviderType Provider =
142
      AsyncWrap::PROVIDER_SIGNREQUEST;
143
144
  static v8::Maybe<bool> AdditionalConfig(
145
      CryptoJobMode mode,
146
      const v8::FunctionCallbackInfo<v8::Value>& args,
147
      unsigned int offset,
148
      SignConfiguration* params);
149
150
  static bool DeriveBits(
151
      Environment* env,
152
      const SignConfiguration& params,
153
      ByteSource* out);
154
155
  static v8::Maybe<bool> EncodeOutput(
156
      Environment* env,
157
      const SignConfiguration& params,
158
      ByteSource* out,
159
      v8::Local<v8::Value>* result);
160
};
161
162
using SignJob = DeriveBitsJob<SignTraits>;
163
164
}  // namespace crypto
165
}  // namespace node
166
167
#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
168
#endif  // SRC_CRYPTO_CRYPTO_SIG_H_