1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
#ifndef SRC_CRYPTO_CRYPTO_SIG_H_
#define SRC_CRYPTO_CRYPTO_SIG_H_
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#include "crypto/crypto_keys.h"
#include "crypto/crypto_util.h"
#include "allocated_buffer.h"
#include "base_object.h"
#include "env.h"
#include "memory_tracker.h"
namespace node {
namespace crypto {
static const unsigned int kNoDsaSignature = static_cast<unsigned int>(-1);
enum DSASigEnc {
kSigEncDER,
kSigEncP1363
};
class SignBase : public BaseObject {
public:
typedef enum {
kSignOk,
kSignUnknownDigest,
kSignInit,
kSignNotInitialised,
kSignUpdate,
kSignPrivateKey,
kSignPublicKey,
kSignMalformedSignature
} Error;
SignBase(Environment* env, v8::Local<v8::Object> wrap);
Error Init(const char* sign_type);
Error Update(const char* data, size_t len);
// TODO(joyeecheung): track the memory used by OpenSSL types
void MemoryInfo(MemoryTracker* tracker) const override;
SET_MEMORY_INFO_NAME(SignBase)
SET_SELF_SIZE(SignBase)
protected:
EVPMDPointer mdctx_;
};
class Sign : public SignBase {
public:
static void Initialize(Environment* env, v8::Local<v8::Object> target);
static void RegisterExternalReferences(ExternalReferenceRegistry* registry);
struct SignResult {
Error error;
std::unique_ptr<v8::BackingStore> signature;
explicit SignResult(
Error err,
std::unique_ptr<v8::BackingStore>&& sig = nullptr)
: error(err), signature(std::move(sig)) {}
};
SignResult SignFinal(
const ManagedEVPPKey& pkey,
int padding,
const v8::Maybe<int>& saltlen,
DSASigEnc dsa_sig_enc);
static void SignSync(const v8::FunctionCallbackInfo<v8::Value>& args);
protected:
static void New(const v8::FunctionCallbackInfo<v8::Value>& args);
static void SignInit(const v8::FunctionCallbackInfo<v8::Value>& args);
static void SignUpdate(const v8::FunctionCallbackInfo<v8::Value>& args);
static void SignFinal(const v8::FunctionCallbackInfo<v8::Value>& args);
Sign(Environment* env, v8::Local<v8::Object> wrap);
};
class Verify : public SignBase {
public:
static void Initialize(Environment* env, v8::Local<v8::Object> target);
static void RegisterExternalReferences(ExternalReferenceRegistry* registry);
Error VerifyFinal(const ManagedEVPPKey& key,
const ByteSource& sig,
int padding,
const v8::Maybe<int>& saltlen,
bool* verify_result);
static void VerifySync(const v8::FunctionCallbackInfo<v8::Value>& args);
protected:
static void New(const v8::FunctionCallbackInfo<v8::Value>& args);
static void VerifyInit(const v8::FunctionCallbackInfo<v8::Value>& args);
static void VerifyUpdate(const v8::FunctionCallbackInfo<v8::Value>& args);
static void VerifyFinal(const v8::FunctionCallbackInfo<v8::Value>& args);
Verify(Environment* env, v8::Local<v8::Object> wrap);
};
struct SignConfiguration final : public MemoryRetainer {
enum Mode {
kSign,
kVerify
};
enum Flags {
kHasNone = 0,
kHasSaltLength = 1,
kHasPadding = 2
};
CryptoJobMode job_mode;
Mode mode;
ManagedEVPPKey key;
ByteSource data;
ByteSource signature;
const EVP_MD* digest = nullptr;
int flags = SignConfiguration::kHasNone;
int padding = 0;
int salt_length = 0;
DSASigEnc dsa_encoding = kSigEncDER;
SignConfiguration() = default;
explicit SignConfiguration(SignConfiguration&& other) noexcept;
SignConfiguration& operator=(SignConfiguration&& other) noexcept;
void MemoryInfo(MemoryTracker* tracker) const override;
SET_MEMORY_INFO_NAME(SignConfiguration)
SET_SELF_SIZE(SignConfiguration)
};
struct SignTraits final {
using AdditionalParameters = SignConfiguration;
static constexpr const char* JobName = "SignJob";
// TODO(@jasnell): Sign request vs. Verify request
static constexpr AsyncWrap::ProviderType Provider =
AsyncWrap::PROVIDER_SIGNREQUEST;
static v8::Maybe<bool> AdditionalConfig(
CryptoJobMode mode,
const v8::FunctionCallbackInfo<v8::Value>& args,
unsigned int offset,
SignConfiguration* params);
static bool DeriveBits(
Environment* env,
const SignConfiguration& params,
ByteSource* out);
static v8::Maybe<bool> EncodeOutput(
Environment* env,
const SignConfiguration& params,
ByteSource* out,
v8::Local<v8::Value>* result);
};
using SignJob = DeriveBitsJob<SignTraits>;
} // namespace crypto
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_CRYPTO_CRYPTO_SIG_H_
|