forked from mrsone40/node
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathcrypto_keys.h
More file actions
419 lines (338 loc) · 12.3 KB
/
crypto_keys.h
File metadata and controls
419 lines (338 loc) · 12.3 KB
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
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
#ifndef SRC_CRYPTO_CRYPTO_KEYS_H_
#define SRC_CRYPTO_CRYPTO_KEYS_H_
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#include "crypto/crypto_util.h"
#include "base_object.h"
#include "env.h"
#include "memory_tracker.h"
#include "node_buffer.h"
#include "node_worker.h"
#include "v8.h"
#include <openssl/evp.h>
#include <memory>
#include <string>
namespace node {
namespace crypto {
enum PKEncodingType {
// RSAPublicKey / RSAPrivateKey according to PKCS#1.
kKeyEncodingPKCS1,
// PrivateKeyInfo or EncryptedPrivateKeyInfo according to PKCS#8.
kKeyEncodingPKCS8,
// SubjectPublicKeyInfo according to X.509.
kKeyEncodingSPKI,
// ECPrivateKey according to SEC1.
kKeyEncodingSEC1
};
enum PKFormatType {
kKeyFormatDER,
kKeyFormatPEM,
kKeyFormatJWK
};
enum KeyType {
kKeyTypeSecret,
kKeyTypePublic,
kKeyTypePrivate
};
enum KeyEncodingContext {
kKeyContextInput,
kKeyContextExport,
kKeyContextGenerate
};
enum class ParseKeyResult {
kParseKeyOk,
kParseKeyNotRecognized,
kParseKeyNeedPassphrase,
kParseKeyFailed
};
struct AsymmetricKeyEncodingConfig {
bool output_key_object_ = false;
PKFormatType format_ = kKeyFormatDER;
v8::Maybe<PKEncodingType> type_ = v8::Nothing<PKEncodingType>();
};
using PublicKeyEncodingConfig = AsymmetricKeyEncodingConfig;
struct PrivateKeyEncodingConfig : public AsymmetricKeyEncodingConfig {
const EVP_CIPHER* cipher_;
// The ByteSource alone is not enough to distinguish between "no passphrase"
// and a zero-length passphrase (which can be a null pointer), therefore, we
// use a NonCopyableMaybe.
NonCopyableMaybe<ByteSource> passphrase_;
};
// This uses the built-in reference counter of OpenSSL to manage an EVP_PKEY
// which is slightly more efficient than using a shared pointer and easier to
// use.
class ManagedEVPPKey : public MemoryRetainer {
public:
ManagedEVPPKey() : mutex_(std::make_shared<Mutex>()) {}
explicit ManagedEVPPKey(EVPKeyPointer&& pkey);
ManagedEVPPKey(const ManagedEVPPKey& that);
ManagedEVPPKey& operator=(const ManagedEVPPKey& that);
operator bool() const;
EVP_PKEY* get() const;
Mutex* mutex() const;
void MemoryInfo(MemoryTracker* tracker) const override;
SET_MEMORY_INFO_NAME(ManagedEVPPKey)
SET_SELF_SIZE(ManagedEVPPKey)
static PublicKeyEncodingConfig GetPublicKeyEncodingFromJs(
const v8::FunctionCallbackInfo<v8::Value>& args,
unsigned int* offset,
KeyEncodingContext context);
static NonCopyableMaybe<PrivateKeyEncodingConfig> GetPrivateKeyEncodingFromJs(
const v8::FunctionCallbackInfo<v8::Value>& args,
unsigned int* offset,
KeyEncodingContext context);
static ManagedEVPPKey GetParsedKey(Environment* env,
EVPKeyPointer&& pkey,
ParseKeyResult ret,
const char* default_msg);
static ManagedEVPPKey GetPublicOrPrivateKeyFromJs(
const v8::FunctionCallbackInfo<v8::Value>& args,
unsigned int* offset);
static ManagedEVPPKey GetPrivateKeyFromJs(
const v8::FunctionCallbackInfo<v8::Value>& args,
unsigned int* offset,
bool allow_key_object);
v8::Maybe<bool> ToEncodedPublicKey(Environment* env,
const PublicKeyEncodingConfig& config,
v8::Local<v8::Value>* out);
v8::Maybe<bool> ToEncodedPrivateKey(Environment* env,
const PrivateKeyEncodingConfig& config,
v8::Local<v8::Value>* out);
private:
size_t size_of_private_key() const;
size_t size_of_public_key() const;
EVPKeyPointer pkey_;
std::shared_ptr<Mutex> mutex_;
};
// Objects of this class can safely be shared among threads.
class KeyObjectData : public MemoryRetainer {
public:
static std::shared_ptr<KeyObjectData> CreateSecret(ByteSource key);
static std::shared_ptr<KeyObjectData> CreateAsymmetric(
KeyType type,
const ManagedEVPPKey& pkey);
KeyType GetKeyType() const;
// These functions allow unprotected access to the raw key material and should
// only be used to implement cryptographic operations requiring the key.
ManagedEVPPKey GetAsymmetricKey() const;
const char* GetSymmetricKey() const;
size_t GetSymmetricKeySize() const;
void MemoryInfo(MemoryTracker* tracker) const override;
SET_MEMORY_INFO_NAME(KeyObjectData)
SET_SELF_SIZE(KeyObjectData)
private:
explicit KeyObjectData(ByteSource symmetric_key);
KeyObjectData(
KeyType type,
const ManagedEVPPKey& pkey);
const KeyType key_type_;
const ByteSource symmetric_key_;
const ManagedEVPPKey asymmetric_key_;
};
class KeyObjectHandle : public BaseObject {
public:
static bool HasInstance(Environment* env, v8::Local<v8::Value> value);
static v8::Local<v8::Function> Initialize(Environment* env);
static void RegisterExternalReferences(ExternalReferenceRegistry* registry);
static v8::MaybeLocal<v8::Object> Create(Environment* env,
std::shared_ptr<KeyObjectData> data);
// TODO(tniessen): track the memory used by OpenSSL types
SET_NO_MEMORY_INFO()
SET_MEMORY_INFO_NAME(KeyObjectHandle)
SET_SELF_SIZE(KeyObjectHandle)
const std::shared_ptr<KeyObjectData>& Data();
protected:
static void New(const v8::FunctionCallbackInfo<v8::Value>& args);
static void Init(const v8::FunctionCallbackInfo<v8::Value>& args);
static void InitECRaw(const v8::FunctionCallbackInfo<v8::Value>& args);
static void InitEDRaw(const v8::FunctionCallbackInfo<v8::Value>& args);
static void InitJWK(const v8::FunctionCallbackInfo<v8::Value>& args);
static void GetKeyDetail(const v8::FunctionCallbackInfo<v8::Value>& args);
static void Equals(const v8::FunctionCallbackInfo<v8::Value>& args);
static void ExportJWK(const v8::FunctionCallbackInfo<v8::Value>& args);
static void GetAsymmetricKeyType(
const v8::FunctionCallbackInfo<v8::Value>& args);
v8::Local<v8::Value> GetAsymmetricKeyType() const;
static void CheckEcKeyData(const v8::FunctionCallbackInfo<v8::Value>& args);
bool CheckEcKeyData() const;
static void GetSymmetricKeySize(
const v8::FunctionCallbackInfo<v8::Value>& args);
static void Export(const v8::FunctionCallbackInfo<v8::Value>& args);
v8::MaybeLocal<v8::Value> ExportSecretKey() const;
v8::MaybeLocal<v8::Value> ExportPublicKey(
const PublicKeyEncodingConfig& config) const;
v8::MaybeLocal<v8::Value> ExportPrivateKey(
const PrivateKeyEncodingConfig& config) const;
KeyObjectHandle(Environment* env,
v8::Local<v8::Object> wrap);
private:
std::shared_ptr<KeyObjectData> data_;
};
class NativeKeyObject : public BaseObject {
public:
static void Initialize(Environment* env, v8::Local<v8::Object> target);
static void RegisterExternalReferences(ExternalReferenceRegistry* registry);
static void New(const v8::FunctionCallbackInfo<v8::Value>& args);
static void CreateNativeKeyObjectClass(
const v8::FunctionCallbackInfo<v8::Value>& args);
SET_NO_MEMORY_INFO()
SET_MEMORY_INFO_NAME(NativeKeyObject)
SET_SELF_SIZE(NativeKeyObject)
class KeyObjectTransferData : public worker::TransferData {
public:
explicit KeyObjectTransferData(const std::shared_ptr<KeyObjectData>& data)
: data_(data) {}
BaseObjectPtr<BaseObject> Deserialize(
Environment* env,
v8::Local<v8::Context> context,
std::unique_ptr<worker::TransferData> self) override;
SET_MEMORY_INFO_NAME(KeyObjectTransferData)
SET_SELF_SIZE(KeyObjectTransferData)
SET_NO_MEMORY_INFO()
private:
std::shared_ptr<KeyObjectData> data_;
};
BaseObject::TransferMode GetTransferMode() const override;
std::unique_ptr<worker::TransferData> CloneForMessaging() const override;
private:
NativeKeyObject(Environment* env,
v8::Local<v8::Object> wrap,
const std::shared_ptr<KeyObjectData>& handle_data)
: BaseObject(env, wrap),
handle_data_(handle_data) {
MakeWeak();
}
std::shared_ptr<KeyObjectData> handle_data_;
};
enum WebCryptoKeyFormat {
kWebCryptoKeyFormatRaw,
kWebCryptoKeyFormatPKCS8,
kWebCryptoKeyFormatSPKI,
kWebCryptoKeyFormatJWK
};
enum class WebCryptoKeyExportStatus {
OK,
INVALID_KEY_TYPE,
FAILED
};
template <typename KeyExportTraits>
class KeyExportJob final : public CryptoJob<KeyExportTraits> {
public:
using AdditionalParams = typename KeyExportTraits::AdditionalParameters;
static void New(const v8::FunctionCallbackInfo<v8::Value>& args) {
Environment* env = Environment::GetCurrent(args);
CHECK(args.IsConstructCall());
CryptoJobMode mode = GetCryptoJobMode(args[0]);
CHECK(args[1]->IsUint32()); // Export Type
CHECK(args[2]->IsObject()); // KeyObject
WebCryptoKeyFormat format =
static_cast<WebCryptoKeyFormat>(args[1].As<v8::Uint32>()->Value());
KeyObjectHandle* key;
ASSIGN_OR_RETURN_UNWRAP(&key, args[2]);
CHECK_NOT_NULL(key);
AdditionalParams params;
if (KeyExportTraits::AdditionalConfig(args, 3, ¶ms).IsNothing()) {
// The KeyExportTraits::AdditionalConfig is responsible for
// calling an appropriate THROW_CRYPTO_* variant reporting
// whatever error caused initialization to fail.
return;
}
new KeyExportJob<KeyExportTraits>(
env,
args.This(),
mode,
key->Data(),
format,
std::move(params));
}
static void Initialize(
Environment* env,
v8::Local<v8::Object> target) {
CryptoJob<KeyExportTraits>::Initialize(New, env, target);
}
static void RegisterExternalReferences(ExternalReferenceRegistry* registry) {
CryptoJob<KeyExportTraits>::RegisterExternalReferences(New, registry);
}
KeyExportJob(
Environment* env,
v8::Local<v8::Object> object,
CryptoJobMode mode,
std::shared_ptr<KeyObjectData> key,
WebCryptoKeyFormat format,
AdditionalParams&& params)
: CryptoJob<KeyExportTraits>(
env,
object,
AsyncWrap::PROVIDER_KEYEXPORTREQUEST,
mode,
std::move(params)),
key_(key),
format_(format) {}
WebCryptoKeyFormat format() const { return format_; }
void DoThreadPoolWork() override {
const WebCryptoKeyExportStatus status =
KeyExportTraits::DoExport(
key_,
format_,
*CryptoJob<KeyExportTraits>::params(),
&out_);
if (status == WebCryptoKeyExportStatus::OK) {
// Success!
return;
}
CryptoErrorStore* errors = CryptoJob<KeyExportTraits>::errors();
errors->Capture();
if (errors->Empty()) {
switch (status) {
case WebCryptoKeyExportStatus::OK:
UNREACHABLE();
break;
case WebCryptoKeyExportStatus::INVALID_KEY_TYPE:
errors->Insert(NodeCryptoError::INVALID_KEY_TYPE);
break;
case WebCryptoKeyExportStatus::FAILED:
errors->Insert(NodeCryptoError::CIPHER_JOB_FAILED);
break;
}
}
}
v8::Maybe<bool> ToResult(
v8::Local<v8::Value>* err,
v8::Local<v8::Value>* result) override {
Environment* env = AsyncWrap::env();
CryptoErrorStore* errors = CryptoJob<KeyExportTraits>::errors();
if (out_.size() > 0) {
CHECK(errors->Empty());
*err = v8::Undefined(env->isolate());
*result = out_.ToArrayBuffer(env);
return v8::Just(!result->IsEmpty());
}
if (errors->Empty())
errors->Capture();
CHECK(!errors->Empty());
*result = v8::Undefined(env->isolate());
return v8::Just(errors->ToException(env).ToLocal(err));
}
SET_SELF_SIZE(KeyExportJob)
void MemoryInfo(MemoryTracker* tracker) const override {
tracker->TrackFieldWithSize("out", out_.size());
CryptoJob<KeyExportTraits>::MemoryInfo(tracker);
}
private:
std::shared_ptr<KeyObjectData> key_;
WebCryptoKeyFormat format_;
ByteSource out_;
};
WebCryptoKeyExportStatus PKEY_SPKI_Export(
KeyObjectData* key_data,
ByteSource* out);
WebCryptoKeyExportStatus PKEY_PKCS8_Export(
KeyObjectData* key_data,
ByteSource* out);
namespace Keys {
void Initialize(Environment* env, v8::Local<v8::Object> target);
void RegisterExternalReferences(ExternalReferenceRegistry* registry);
} // namespace Keys
} // namespace crypto
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_CRYPTO_CRYPTO_KEYS_H_