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
|
/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2025 Sadie Powell <sadie@witchery.services>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/// BEGIN CMAKE
/// target_link_libraries(${TARGET} PRIVATE "vendored_sha2")
/// END CMAKE
// Fix a collision between the Haiku uint64 typedef and the
// one from the sha2 library.
#ifdef __HAIKU__
# define uint64 sha2_uint64
#endif
#include <sha2/sha2.h>
#ifdef __HAIKU__
# undef uint64
#endif
#include "inspircd.h"
#include "modules/hash.h"
template <typename SHAContext,
void (* SHAInit)(SHAContext *),
void (* SHAUpdate)(SHAContext *, const unsigned char *, unsigned int),
void (* SHAFinal)(SHAContext *, unsigned char *)>
class SHA2Context final
: public Hash::Context
{
private:
SHAContext context;
const size_t digest_size;
public:
SHA2Context(size_t ds)
: digest_size(ds)
{
SHAInit(&context);
}
void Update(const unsigned char *data, size_t len) override
{
SHAUpdate(&context, data, static_cast<unsigned int>(len));
}
std::string Finalize() override
{
std::vector<unsigned char> digest(digest_size);
SHAFinal(&context, digest.data());
return std::string(reinterpret_cast<const char *>(digest.data()), digest.size());
}
};
template <typename SHAContext,
void (* SHAInit)(SHAContext *),
void (* SHAUpdate)(SHAContext *, const unsigned char *, unsigned int),
void (* SHAFinal)(SHAContext *, unsigned char *)>
class SHA2Provider final
: public Hash::Provider
{
private:
Hash::HMACProvider hmacsha2algo;
public:
SHA2Provider(const WeakModulePtr& mod, const std::string& algorithm, size_t ds, size_t bs)
: Hash::Provider(mod, algorithm, ds, bs)
, hmacsha2algo(mod, algorithm)
{
}
bool IsPasswordSafe() const override
{
// Plain SHA-2 is not safe for password use as it can be decoded via the
// use of a rainbow table. You should use HMAC-SHA-2 instead as it is not
// vulnerable to this attack.
return false;
}
std::unique_ptr<Hash::Context> CreateContext() override
{
return std::make_unique<SHA2Context<SHAContext, SHAInit, SHAUpdate, SHAFinal>>(this->digest_size);
}
};
class ModuleHashSHA2 final
: public Module
{
private:
SHA2Provider<sha224_ctx, sha224_init, sha224_update, sha224_final> sha224algo;
SHA2Provider<sha256_ctx, sha256_init, sha256_update, sha256_final> sha256algo;
SHA2Provider<sha384_ctx, sha384_init, sha384_update, sha384_final> sha384algo;
SHA2Provider<sha512_ctx, sha512_init, sha512_update, sha512_final> sha512algo;
public:
ModuleHashSHA2()
: Module(VF_VENDOR, "Allows other modules to generate SHA-2 hashes.")
, sha224algo(weak_from_this(), "sha224", SHA224_DIGEST_SIZE, SHA224_BLOCK_SIZE)
, sha256algo(weak_from_this(), "sha256", SHA256_DIGEST_SIZE, SHA256_BLOCK_SIZE)
, sha384algo(weak_from_this(), "sha384", SHA384_DIGEST_SIZE, SHA384_BLOCK_SIZE)
, sha512algo(weak_from_this(), "sha512", SHA512_DIGEST_SIZE, SHA512_BLOCK_SIZE)
{
}
void init() override
{
sha224algo.Check({
{ "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f", "" },
{ "730e109bd7a8a32b1cb9d9a09aa2325d2430587ddbc0c38bad911525", "The quick brown fox jumps over the lazy dog" },
});
sha256algo.Check({
{ "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", "" },
{ "d7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592", "The quick brown fox jumps over the lazy dog" },
});
sha384algo.Check({
{ "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b", "" },
{ "ca737f1014a48f4c0b6dd43cb177b0afd9e5169367544c494011e3317dbf9a509cb1e5dc1e85a941bbee3d7f2afbc9b1", "The quick brown fox jumps over the lazy dog" },
});
sha512algo.Check({
{ "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e", "" },
{ "07e547d9586f6a73f73fbac0435ed76951218fb7d0c8d788a309d785436bbb642e93a252a954f23912547d1e8a3b5ed6e1bfd7097821233fa0538f3db854fee6", "The quick brown fox jumps over the lazy dog" },
});
}
};
MODULE_INIT(ModuleHashSHA2)
|
