forked from bitcoin/bitcoin
-
Notifications
You must be signed in to change notification settings - Fork 3k
/
key_tests.cpp
295 lines (250 loc) · 14.6 KB
/
key_tests.cpp
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
// Copyright (c) 2012-2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <key.h>
#include <key_io.h>
#include <streams.h>
#include <test/util/setup_common.h>
#include <uint256.h>
#include <util/strencodings.h>
#include <util/string.h>
#include <util/system.h>
#include <string>
#include <vector>
#include <boost/test/unit_test.hpp>
static const std::string strSecret1 = "6uGFQ4DSW7zh1viHZi6iiVT17CncvoaV4MHvGvJKPDaLCdymj87";
static const std::string strSecret2 = "6vVo7sPkeLTwVdAntrv4Gbnsyr75H8ChD3P5iyHziwaqe8mCYR5";
static const std::string strSecret1C = "T3gJYmBuZXsdd65E7NQF88ZmUP2MaUanqnZg9GFS94W7kND4Ebjq";
static const std::string strSecret2C = "T986ZKRRdnuuXLeDZuKBRrZW1ujotAncU9WTrFU1n7vMgRW75ZtF";
static const std::string addr1 = "LiUo6Zn39joYJBzPUhssbDwAywhjFcoHE3";
static const std::string addr2 = "LZJvLSP5SGKcFS13MHgdrVhpFUbEMB5XVC";
static const std::string addr1C = "Lh2G82Bi33RNuzz4UfSMZbh54jnWHVnmw8";
static const std::string addr2C = "LWegHWHB5rmaF5rgWYt1YN3StapRdnGJfU";
static const std::string strAddressBad = "Lbi6bpMhSwp2CXkivEeUK9wzyQEFzHDfSr";
BOOST_FIXTURE_TEST_SUITE(key_tests, BasicTestingSetup)
BOOST_AUTO_TEST_CASE(key_test1)
{
CKey key1 = DecodeSecret(strSecret1);
BOOST_CHECK(key1.IsValid() && !key1.IsCompressed());
CKey key2 = DecodeSecret(strSecret2);
BOOST_CHECK(key2.IsValid() && !key2.IsCompressed());
CKey key1C = DecodeSecret(strSecret1C);
BOOST_CHECK(key1C.IsValid() && key1C.IsCompressed());
CKey key2C = DecodeSecret(strSecret2C);
BOOST_CHECK(key2C.IsValid() && key2C.IsCompressed());
CKey bad_key = DecodeSecret(strAddressBad);
BOOST_CHECK(!bad_key.IsValid());
CPubKey pubkey1 = key1. GetPubKey();
CPubKey pubkey2 = key2. GetPubKey();
CPubKey pubkey1C = key1C.GetPubKey();
CPubKey pubkey2C = key2C.GetPubKey();
BOOST_CHECK(key1.VerifyPubKey(pubkey1));
BOOST_CHECK(!key1.VerifyPubKey(pubkey1C));
BOOST_CHECK(!key1.VerifyPubKey(pubkey2));
BOOST_CHECK(!key1.VerifyPubKey(pubkey2C));
BOOST_CHECK(!key1C.VerifyPubKey(pubkey1));
BOOST_CHECK(key1C.VerifyPubKey(pubkey1C));
BOOST_CHECK(!key1C.VerifyPubKey(pubkey2));
BOOST_CHECK(!key1C.VerifyPubKey(pubkey2C));
BOOST_CHECK(!key2.VerifyPubKey(pubkey1));
BOOST_CHECK(!key2.VerifyPubKey(pubkey1C));
BOOST_CHECK(key2.VerifyPubKey(pubkey2));
BOOST_CHECK(!key2.VerifyPubKey(pubkey2C));
BOOST_CHECK(!key2C.VerifyPubKey(pubkey1));
BOOST_CHECK(!key2C.VerifyPubKey(pubkey1C));
BOOST_CHECK(!key2C.VerifyPubKey(pubkey2));
BOOST_CHECK(key2C.VerifyPubKey(pubkey2C));
BOOST_CHECK(DecodeDestination(addr1) == CTxDestination(PKHash(pubkey1)));
BOOST_CHECK(DecodeDestination(addr2) == CTxDestination(PKHash(pubkey2)));
BOOST_CHECK(DecodeDestination(addr1C) == CTxDestination(PKHash(pubkey1C)));
BOOST_CHECK(DecodeDestination(addr2C) == CTxDestination(PKHash(pubkey2C)));
for (int n=0; n<16; n++)
{
std::string strMsg = strprintf("Very secret message %i: 11", n);
uint256 hashMsg = Hash(strMsg);
// normal signatures
std::vector<unsigned char> sign1, sign2, sign1C, sign2C;
BOOST_CHECK(key1.Sign (hashMsg, sign1));
BOOST_CHECK(key2.Sign (hashMsg, sign2));
BOOST_CHECK(key1C.Sign(hashMsg, sign1C));
BOOST_CHECK(key2C.Sign(hashMsg, sign2C));
BOOST_CHECK( pubkey1.Verify(hashMsg, sign1));
BOOST_CHECK(!pubkey1.Verify(hashMsg, sign2));
BOOST_CHECK( pubkey1.Verify(hashMsg, sign1C));
BOOST_CHECK(!pubkey1.Verify(hashMsg, sign2C));
BOOST_CHECK(!pubkey2.Verify(hashMsg, sign1));
BOOST_CHECK( pubkey2.Verify(hashMsg, sign2));
BOOST_CHECK(!pubkey2.Verify(hashMsg, sign1C));
BOOST_CHECK( pubkey2.Verify(hashMsg, sign2C));
BOOST_CHECK( pubkey1C.Verify(hashMsg, sign1));
BOOST_CHECK(!pubkey1C.Verify(hashMsg, sign2));
BOOST_CHECK( pubkey1C.Verify(hashMsg, sign1C));
BOOST_CHECK(!pubkey1C.Verify(hashMsg, sign2C));
BOOST_CHECK(!pubkey2C.Verify(hashMsg, sign1));
BOOST_CHECK( pubkey2C.Verify(hashMsg, sign2));
BOOST_CHECK(!pubkey2C.Verify(hashMsg, sign1C));
BOOST_CHECK( pubkey2C.Verify(hashMsg, sign2C));
// compact signatures (with key recovery)
std::vector<unsigned char> csign1, csign2, csign1C, csign2C;
BOOST_CHECK(key1.SignCompact (hashMsg, csign1));
BOOST_CHECK(key2.SignCompact (hashMsg, csign2));
BOOST_CHECK(key1C.SignCompact(hashMsg, csign1C));
BOOST_CHECK(key2C.SignCompact(hashMsg, csign2C));
CPubKey rkey1, rkey2, rkey1C, rkey2C;
BOOST_CHECK(rkey1.RecoverCompact (hashMsg, csign1));
BOOST_CHECK(rkey2.RecoverCompact (hashMsg, csign2));
BOOST_CHECK(rkey1C.RecoverCompact(hashMsg, csign1C));
BOOST_CHECK(rkey2C.RecoverCompact(hashMsg, csign2C));
BOOST_CHECK(rkey1 == pubkey1);
BOOST_CHECK(rkey2 == pubkey2);
BOOST_CHECK(rkey1C == pubkey1C);
BOOST_CHECK(rkey2C == pubkey2C);
}
// test deterministic signing
std::vector<unsigned char> detsig, detsigc;
std::string strMsg = "Very deterministic message";
uint256 hashMsg = Hash(strMsg);
BOOST_CHECK(key1.Sign(hashMsg, detsig));
BOOST_CHECK(key1C.Sign(hashMsg, detsigc));
BOOST_CHECK(detsig == detsigc);
BOOST_CHECK(detsig == ParseHex("304402205dbbddda71772d95ce91cd2d14b592cfbc1dd0aabd6a394b6c2d377bbe59d31d022014ddda21494a4e221f0824f0b8b924c43fa43c0ad57dccdaa11f81a6bd4582f6"));
BOOST_CHECK(key2.Sign(hashMsg, detsig));
BOOST_CHECK(key2C.Sign(hashMsg, detsigc));
BOOST_CHECK(detsig == detsigc);
BOOST_CHECK(detsig == ParseHex("3044022052d8a32079c11e79db95af63bb9600c5b04f21a9ca33dc129c2bfa8ac9dc1cd5022061d8ae5e0f6c1a16bde3719c64c2fd70e404b6428ab9a69566962e8771b5944d"));
BOOST_CHECK(key1.SignCompact(hashMsg, detsig));
BOOST_CHECK(key1C.SignCompact(hashMsg, detsigc));
BOOST_CHECK(detsig == ParseHex("1c5dbbddda71772d95ce91cd2d14b592cfbc1dd0aabd6a394b6c2d377bbe59d31d14ddda21494a4e221f0824f0b8b924c43fa43c0ad57dccdaa11f81a6bd4582f6"));
BOOST_CHECK(detsigc == ParseHex("205dbbddda71772d95ce91cd2d14b592cfbc1dd0aabd6a394b6c2d377bbe59d31d14ddda21494a4e221f0824f0b8b924c43fa43c0ad57dccdaa11f81a6bd4582f6"));
BOOST_CHECK(key2.SignCompact(hashMsg, detsig));
BOOST_CHECK(key2C.SignCompact(hashMsg, detsigc));
BOOST_CHECK(detsig == ParseHex("1c52d8a32079c11e79db95af63bb9600c5b04f21a9ca33dc129c2bfa8ac9dc1cd561d8ae5e0f6c1a16bde3719c64c2fd70e404b6428ab9a69566962e8771b5944d"));
BOOST_CHECK(detsigc == ParseHex("2052d8a32079c11e79db95af63bb9600c5b04f21a9ca33dc129c2bfa8ac9dc1cd561d8ae5e0f6c1a16bde3719c64c2fd70e404b6428ab9a69566962e8771b5944d"));
}
BOOST_AUTO_TEST_CASE(key_signature_tests)
{
// When entropy is specified, we should see at least one high R signature within 20 signatures
CKey key = DecodeSecret(strSecret1);
std::string msg = "A message to be signed";
uint256 msg_hash = Hash(msg);
std::vector<unsigned char> sig;
bool found = false;
for (int i = 1; i <=20; ++i) {
sig.clear();
BOOST_CHECK(key.Sign(msg_hash, sig, false, i));
found = sig[3] == 0x21 && sig[4] == 0x00;
if (found) {
break;
}
}
BOOST_CHECK(found);
// When entropy is not specified, we should always see low R signatures that are less than 70 bytes in 256 tries
// We should see at least one signature that is less than 70 bytes.
found = true;
bool found_small = false;
for (int i = 0; i < 256; ++i) {
sig.clear();
std::string msg = "A message to be signed" + ToString(i);
msg_hash = Hash(msg);
BOOST_CHECK(key.Sign(msg_hash, sig));
found = sig[3] == 0x20;
BOOST_CHECK(sig.size() <= 70);
found_small |= sig.size() < 70;
}
BOOST_CHECK(found);
BOOST_CHECK(found_small);
}
BOOST_AUTO_TEST_CASE(key_key_negation)
{
// create a dummy hash for signature comparison
unsigned char rnd[8];
std::string str = "Bitcoin key verification\n";
GetRandBytes(rnd, sizeof(rnd));
uint256 hash;
CHash256().Write(MakeUCharSpan(str)).Write(rnd).Finalize(hash);
// import the static test key
CKey key = DecodeSecret(strSecret1C);
// create a signature
std::vector<unsigned char> vch_sig;
std::vector<unsigned char> vch_sig_cmp;
key.Sign(hash, vch_sig);
// negate the key twice
BOOST_CHECK(key.GetPubKey().data()[0] == 0x03);
key.Negate();
// after the first negation, the signature must be different
key.Sign(hash, vch_sig_cmp);
BOOST_CHECK(vch_sig_cmp != vch_sig);
BOOST_CHECK(key.GetPubKey().data()[0] == 0x02);
key.Negate();
// after the second negation, we should have the original key and thus the
// same signature
key.Sign(hash, vch_sig_cmp);
BOOST_CHECK(vch_sig_cmp == vch_sig);
BOOST_CHECK(key.GetPubKey().data()[0] == 0x03);
}
static CPubKey UnserializePubkey(const std::vector<uint8_t>& data)
{
CDataStream stream{SER_NETWORK, INIT_PROTO_VERSION};
stream << data;
CPubKey pubkey;
stream >> pubkey;
return pubkey;
}
static unsigned int GetLen(unsigned char chHeader)
{
if (chHeader == 2 || chHeader == 3)
return CPubKey::COMPRESSED_SIZE;
if (chHeader == 4 || chHeader == 6 || chHeader == 7)
return CPubKey::SIZE;
return 0;
}
static void CmpSerializationPubkey(const CPubKey& pubkey)
{
CDataStream stream{SER_NETWORK, INIT_PROTO_VERSION};
stream << pubkey;
CPubKey pubkey2;
stream >> pubkey2;
BOOST_CHECK(pubkey == pubkey2);
}
BOOST_AUTO_TEST_CASE(pubkey_unserialize)
{
for (uint8_t i = 2; i <= 7; ++i) {
CPubKey key = UnserializePubkey({0x02});
BOOST_CHECK(!key.IsValid());
CmpSerializationPubkey(key);
key = UnserializePubkey(std::vector<uint8_t>(GetLen(i), i));
CmpSerializationPubkey(key);
if (i == 5) {
BOOST_CHECK(!key.IsValid());
} else {
BOOST_CHECK(key.IsValid());
}
}
}
BOOST_AUTO_TEST_CASE(bip340_test_vectors)
{
static const std::vector<std::pair<std::array<std::string, 3>, bool>> VECTORS = {
{{"F9308A019258C31049344F85F89D5229B531C845836F99B08601F113BCE036F9", "0000000000000000000000000000000000000000000000000000000000000000", "E907831F80848D1069A5371B402410364BDF1C5F8307B0084C55F1CE2DCA821525F66A4A85EA8B71E482A74F382D2CE5EBEEE8FDB2172F477DF4900D310536C0"}, true},
{{"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659", "243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89", "6896BD60EEAE296DB48A229FF71DFE071BDE413E6D43F917DC8DCF8C78DE33418906D11AC976ABCCB20B091292BFF4EA897EFCB639EA871CFA95F6DE339E4B0A"}, true},
{{"DD308AFEC5777E13121FA72B9CC1B7CC0139715309B086C960E18FD969774EB8", "7E2D58D8B3BCDF1ABADEC7829054F90DDA9805AAB56C77333024B9D0A508B75C", "5831AAEED7B44BB74E5EAB94BA9D4294C49BCF2A60728D8B4C200F50DD313C1BAB745879A5AD954A72C45A91C3A51D3C7ADEA98D82F8481E0E1E03674A6F3FB7"}, true},
{{"25D1DFF95105F5253C4022F628A996AD3A0D95FBF21D468A1B33F8C160D8F517", "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", "7EB0509757E246F19449885651611CB965ECC1A187DD51B64FDA1EDC9637D5EC97582B9CB13DB3933705B32BA982AF5AF25FD78881EBB32771FC5922EFC66EA3"}, true},
{{"D69C3509BB99E412E68B0FE8544E72837DFA30746D8BE2AA65975F29D22DC7B9", "4DF3C3F68FCC83B27E9D42C90431A72499F17875C81A599B566C9889B9696703", "00000000000000000000003B78CE563F89A0ED9414F5AA28AD0D96D6795F9C6376AFB1548AF603B3EB45C9F8207DEE1060CB71C04E80F593060B07D28308D7F4"}, true},
{{"EEFDEA4CDB677750A420FEE807EACF21EB9898AE79B9768766E4FAA04A2D4A34", "243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89", "6CFF5C3BA86C69EA4B7376F31A9BCB4F74C1976089B2D9963DA2E5543E17776969E89B4C5564D00349106B8497785DD7D1D713A8AE82B32FA79D5F7FC407D39B"}, false},
{{"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659", "243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89", "FFF97BD5755EEEA420453A14355235D382F6472F8568A18B2F057A14602975563CC27944640AC607CD107AE10923D9EF7A73C643E166BE5EBEAFA34B1AC553E2"}, false},
{{"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659", "243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89", "1FA62E331EDBC21C394792D2AB1100A7B432B013DF3F6FF4F99FCB33E0E1515F28890B3EDB6E7189B630448B515CE4F8622A954CFE545735AAEA5134FCCDB2BD"}, false},
{{"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659", "243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89", "6CFF5C3BA86C69EA4B7376F31A9BCB4F74C1976089B2D9963DA2E5543E177769961764B3AA9B2FFCB6EF947B6887A226E8D7C93E00C5ED0C1834FF0D0C2E6DA6"}, false},
{{"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659", "243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89", "0000000000000000000000000000000000000000000000000000000000000000123DDA8328AF9C23A94C1FEECFD123BA4FB73476F0D594DCB65C6425BD186051"}, false},
{{"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659", "243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89", "00000000000000000000000000000000000000000000000000000000000000017615FBAF5AE28864013C099742DEADB4DBA87F11AC6754F93780D5A1837CF197"}, false},
{{"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659", "243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89", "4A298DACAE57395A15D0795DDBFD1DCB564DA82B0F269BC70A74F8220429BA1D69E89B4C5564D00349106B8497785DD7D1D713A8AE82B32FA79D5F7FC407D39B"}, false},
{{"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659", "243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89", "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F69E89B4C5564D00349106B8497785DD7D1D713A8AE82B32FA79D5F7FC407D39B"}, false},
{{"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659", "243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89", "6CFF5C3BA86C69EA4B7376F31A9BCB4F74C1976089B2D9963DA2E5543E177769FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141"}, false},
{{"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC30", "243F6A8885A308D313198A2E03707344A4093822299F31D0082EFA98EC4E6C89", "6CFF5C3BA86C69EA4B7376F31A9BCB4F74C1976089B2D9963DA2E5543E17776969E89B4C5564D00349106B8497785DD7D1D713A8AE82B32FA79D5F7FC407D39B"}, false}
};
for (const auto& test : VECTORS) {
auto pubkey = ParseHex(test.first[0]);
auto msg = ParseHex(test.first[1]);
auto sig = ParseHex(test.first[2]);
BOOST_CHECK_EQUAL(XOnlyPubKey(pubkey).VerifySchnorr(uint256(msg), sig), test.second);
}
}
BOOST_AUTO_TEST_SUITE_END()