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
|
//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#include <Ice/SHA1.h>
#ifndef ICE_OS_UWP
# if defined(_WIN32)
# include <Wincrypt.h>
# include <IceUtil/Exception.h>
# elif defined(__APPLE__)
# include <CommonCrypto/CommonDigest.h>
# else
# include <openssl/sha.h>
# endif
#endif
using namespace std;
using namespace IceUtil;
#ifndef ICE_OS_UWP
namespace IceInternal
{
class SHA1::Hasher
{
public:
Hasher();
# ifdef _WIN32
~Hasher();
#endif
void update(const unsigned char*, std::size_t);
void finalize(std::vector<unsigned char>&);
private:
// noncopyable
Hasher(const Hasher&);
Hasher operator=(const Hasher&);
# if defined (_WIN32)
HCRYPTPROV _ctx;
HCRYPTHASH _hash;
# elif defined(__APPLE__)
CC_SHA1_CTX _ctx;
# else
SHA_CTX _ctx;
# endif
};
}
# if defined(_WIN32)
namespace
{
const int SHA_DIGEST_LENGTH = 20;
}
IceInternal::SHA1::Hasher::Hasher() :
_ctx(0),
_hash(0)
{
if(!CryptAcquireContext(&_ctx, 0, MS_DEF_PROV, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
{
throw IceUtil::SyscallException(__FILE__, __LINE__, GetLastError());
}
if(!CryptCreateHash(_ctx, CALG_SHA1, 0, 0, &_hash))
{
throw IceUtil::SyscallException(__FILE__, __LINE__, GetLastError());
}
}
IceInternal::SHA1::Hasher::~Hasher()
{
if(_hash)
{
CryptDestroyHash(_hash);
}
if(_ctx)
{
CryptReleaseContext(_ctx, 0);
}
}
# elif defined(__APPLE__)
IceInternal::SHA1::Hasher::Hasher()
{
CC_SHA1_Init(&_ctx);
}
# else
IceInternal::SHA1::Hasher::Hasher()
{
SHA1_Init(&_ctx);
}
# endif
void
IceInternal::SHA1::Hasher::update(const unsigned char* data, size_t length)
{
# if defined(_WIN32)
if(!CryptHashData(_hash, data, static_cast<DWORD>(length), 0))
{
throw IceUtil::SyscallException(__FILE__, __LINE__, GetLastError());
}
# elif defined(__APPLE__)
CC_SHA1_Update(&_ctx, reinterpret_cast<const void*>(data), static_cast<CC_LONG>(length));
# else
SHA1_Update(&_ctx, reinterpret_cast<const void*>(data), length);
# endif
}
void
IceInternal::SHA1::Hasher::finalize(vector<unsigned char>& md)
{
# if defined(_WIN32)
md.resize(SHA_DIGEST_LENGTH);
DWORD length = SHA_DIGEST_LENGTH;
if(!CryptGetHashParam(_hash, HP_HASHVAL, &md[0], &length, 0))
{
throw IceUtil::SyscallException(__FILE__, __LINE__, GetLastError());
}
# elif defined(__APPLE__)
md.resize(CC_SHA1_DIGEST_LENGTH);
CC_SHA1_Final(&md[0], &_ctx);
# else
md.resize(SHA_DIGEST_LENGTH);
SHA1_Final(&md[0], &_ctx);
# endif
}
IceInternal::SHA1::SHA1() :
_hasher(new Hasher())
{
}
IceInternal::SHA1::~SHA1()
{
}
void
IceInternal::SHA1::update(const unsigned char* data, std::size_t length)
{
_hasher->update(data, length);
}
void
IceInternal::SHA1::finalize(std::vector<unsigned char>& md)
{
_hasher->finalize(md);
}
#endif
void
IceInternal::sha1(const unsigned char* data, size_t length, vector<unsigned char>& md)
{
#if defined(ICE_OS_UWP)
auto dataA =
ref new Platform::Array<unsigned char>(const_cast<unsigned char*>(data), static_cast<unsigned int>(length));
auto hasher = Windows::Security::Cryptography::Core::HashAlgorithmProvider::OpenAlgorithm("SHA1");
auto hashed = hasher->HashData(Windows::Security::Cryptography::CryptographicBuffer::CreateFromByteArray(dataA));
auto reader = ::Windows::Storage::Streams::DataReader::FromBuffer(hashed);
md.resize(reader->UnconsumedBufferLength);
if(!md.empty())
{
reader->ReadBytes(::Platform::ArrayReference<unsigned char>(&md[0], static_cast<unsigned int>(md.size())));
}
#elif defined(_WIN32)
SHA1 hasher;
hasher.update(data, length);
hasher.finalize(md);
#elif defined(__APPLE__)
md.resize(CC_SHA1_DIGEST_LENGTH);
CC_SHA1(&data[0], static_cast<CC_LONG>(length), &md[0]);
#else
md.resize(SHA_DIGEST_LENGTH);
::SHA1(&data[0], length, &md[0]);
#endif
}
|
