blob: 0dc09f05b8dd38b403aec1ac2c5de846ea030bb8 (
plain)
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
|
// Copyright (c) 2009-2011 Satoshi Nakamoto & Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_KEYSTORE_H
#define BITCOIN_KEYSTORE_H
#include "crypter.h"
class CKeyStore
{
public:
mutable CCriticalSection cs_KeyStore;
virtual bool AddKey(const CKey& key) =0;
virtual bool HaveKey(const std::vector<unsigned char> &vchPubKey) const =0;
virtual bool GetPrivKey(const std::vector<unsigned char> &vchPubKey, CKey& keyOut) const =0;
virtual std::vector<unsigned char> GenerateNewKey();
};
typedef std::map<std::vector<unsigned char>, CPrivKey> KeyMap;
class CBasicKeyStore : public CKeyStore
{
protected:
KeyMap mapKeys;
public:
bool AddKey(const CKey& key);
bool HaveKey(const std::vector<unsigned char> &vchPubKey) const
{
return (mapKeys.count(vchPubKey) > 0);
}
bool GetPrivKey(const std::vector<unsigned char> &vchPubKey, CKey& keyOut) const
{
std::map<std::vector<unsigned char>, CPrivKey>::const_iterator mi = mapKeys.find(vchPubKey);
if (mi != mapKeys.end())
{
keyOut.SetPrivKey((*mi).second);
return true;
}
return false;
}
};
class CCryptoKeyStore : public CBasicKeyStore
{
private:
std::map<std::vector<unsigned char>, std::vector<unsigned char> > mapCryptedKeys;
CKeyingMaterial vMasterKey;
// if fUseCrypto is true, mapKeys must be empty
// if fUseCrypto is false, vMasterKey must be empty
bool fUseCrypto;
protected:
bool SetCrypted()
{
if (fUseCrypto)
return true;
if (!mapKeys.empty())
return false;
fUseCrypto = true;
return true;
}
// will encrypt previously unencrypted keys
bool EncryptKeys(CKeyingMaterial& vMasterKeyIn);
bool Unlock(const CKeyingMaterial& vMasterKeyIn);
public:
mutable CCriticalSection cs_vMasterKey; //No guarantees master key wont get locked before you can use it, so lock this first
CCryptoKeyStore() : fUseCrypto(false)
{
}
bool IsCrypted() const
{
return fUseCrypto;
}
bool IsLocked() const
{
if (!IsCrypted())
return false;
return vMasterKey.empty();
}
bool Lock()
{
CRITICAL_BLOCK(cs_vMasterKey)
{
if (!SetCrypted())
return false;
vMasterKey.clear();
}
return true;
}
virtual bool AddCryptedKey(const std::vector<unsigned char> &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
std::vector<unsigned char> GenerateNewKey();
bool AddKey(const CKey& key);
bool HaveKey(const std::vector<unsigned char> &vchPubKey) const
{
if (!IsCrypted())
return CBasicKeyStore::HaveKey(vchPubKey);
return mapCryptedKeys.count(vchPubKey) > 0;
}
bool GetPrivKey(const std::vector<unsigned char> &vchPubKey, CKey& keyOut) const;
};
#endif
|
