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
|
package csidh
import (
"math/big"
"testing"
)
// Actual test implementation.
func TestXAdd(t *testing.T) {
var P, Q, PdQ point
var PaQ point
var expPaQ big.Int
// points from a Elliptic Curve defined in sage as follows:
// A = 0x6055947AAFEBF773CE912680A6A32656073233D2FD6FDF4A143BE82D25B44ECC0431DE564C0F0D6591ACC62D6876E86F5D06B68C9EAF20D0DB0A6B99ED558512
// E = EllipticCurve(GF(p), [0, A, 0, 1, 0])
// where p is CSIDH's 511-bit prime
checkXAdd := func() {
xAdd(&PaQ, &P, &Q, &PdQ)
ret := toNormX(&PaQ)
if ret.Cmp(&expPaQ) != 0 {
t.Errorf("\nExp: %s\nGot: %s", expPaQ.Text(16), ret.Text(16))
}
}
expPaQ.SetString("0x41C98C5D7FF118B1A3987733581FD69C0CC27D7B63BCCA525106B9945869C6DAEDAA3D5D9D2679237EF0D013BE68EF12731DBFB26E12576BAD1E824C67ABD125", 0)
P.x = toFp("0x5840FD8E0165F7F474260F99337461AF195233F791FABE735EC2634B74A95559568B4CEB23959C8A01C5C57E215D22639868ED840D74FE2BAC04830CF75047AD")
P.z = toFp("1")
Q.x = toFp("0x3C1A003C71436698B4A181CEB12BA4B4D1FF7BB14AAAF6FBDA6957C4EBA20AD8E3893DF6F64E67E81163E024C19C7E975F3EC61862F75502C3ED802370E75A3F")
Q.z = toFp("1")
PdQ.x = toFp("0x519B1928F752B0B2143C1C23EB247B370DBB5B9C29B9A3A064D7FBC1B67FAC34B6D3DDA0F3CB87C387B425B36F31B93A8E73252BA701927B767A9DE89D5A92AE")
PdQ.z = toFp("1")
checkXAdd()
expPaQ.SetString("0x5840FD8E0165F7F474260F99337461AF195233F791FABE735EC2634B74A95559568B4CEB23959C8A01C5C57E215D22639868ED840D74FE2BAC04830CF75047AD", 0)
P.x = toFp("0x5840FD8E0165F7F474260F99337461AF195233F791FABE735EC2634B74A95559568B4CEB23959C8A01C5C57E215D22639868ED840D74FE2BAC04830CF75047AD")
P.z = toFp("1")
Q.x = toFp("1")
Q.z = toFp("0x0")
PdQ.x = toFp(expPaQ.Text(10))
PdQ.z = toFp("1")
checkXAdd()
}
func TestXDbl(t *testing.T) {
var P, A point
var PaP point
var expPaP big.Int
// points from a Elliptic Curve defined in sage as follows:
// A = 0x599841D7D1FCD92A85759B7A3D2D5E4C56EFB17F19F86EB70E121EA16305EDE45A55868BE069313F821F7D94069EC220A4AC3B85500376710538246E9B3BC138
// E = EllipticCurve(GF(p), [0, A, 0, 1, 0])
// where p is CSIDH's 511-bit prime
expPaP.SetString("0x6115B5D8BB613D11BDFEA70D436D87C1515553F6A15061727B4001E0AF745AAA9F39EB9464982829D931F77DAB9D71B24FF0D1D34C347F2A51FD45821F2EA06F", 0)
P.x = toFp("0x6C5B4D4AB0765AAB23C10F8455BE522D3A5363324D7AD641CC67C0A52FC1FFE9F3F8EDFE641478CA93D4D0016D83F21487FD4AF4E02F8A2C237CF27C5604BCC")
P.z = toFp("1")
A.x = toFp("0x599841D7D1FCD92A85759B7A3D2D5E4C56EFB17F19F86EB70E121EA16305EDE45A55868BE069313F821F7D94069EC220A4AC3B85500376710538246E9B3BC138")
A.z = toFp("1")
xDbl(&PaP, &P, &A)
ret := toNormX(&PaP)
if ret.Cmp(&expPaP) != 0 {
t.Errorf("\nExp: %s\nGot: %s", expPaP.Text(16), ret.Text(16))
}
}
func TestXDblAddNominal(t *testing.T) {
var P, Q, PdQ point
var PaP, PaQ point
var expPaP, expPaQ big.Int
var A coeff
checkXDblAdd := func() {
var A24 coeff
// A24.a = 2*A.z + A.a
addRdc(&A24.a, &A.c, &A.c)
addRdc(&A24.a, &A24.a, &A.a)
// A24.z = 4*A.z
mulRdc(&A24.c, &A.c, &four)
// Additionally will check if input can be same as output
PaP = P
PaQ = Q
xDblAdd(&PaP, &PaQ, &PaP, &PaQ, &PdQ, &A24)
retPaP := toNormX(&PaP)
retPaQ := toNormX(&PaQ)
if retPaP.Cmp(&expPaP) != 0 {
t.Errorf("\nExp: %s\nGot: %s", expPaP.Text(16), retPaP.Text(16))
}
if retPaQ.Cmp(&expPaQ) != 0 {
t.Errorf("\nExp: %s\nGot: %s", expPaQ.Text(16), retPaQ.Text(16))
}
}
// 2*P
expPaP.SetString("0x38F5B37271A3D8FA50107F88045D6F6B08355DD026C02E0306CE5875F47422736AD841B4122B2BD7DE6166BB6498F6A283378FF8250948E834F15CEA2D59A57B", 0)
// P+Q
expPaQ.SetString("0x53D9B44C5F61651612243CF7987F619FE6ACB5CF29538F96A63E7278E131F41A17D64388E31B028A5183EF9096AE82724BC34D8DDFD67AD68BD552A33C345B8C", 0)
P.x = toFp("0x4FE17B4CC66E85960F57033CD45996C99248DA09DF2E36F8840657B52F74ED8173E0D322FA57D7B4D0EE7F12967BBD59140B42F2626E29167D6419E851E5A4C9")
P.z = toFp("1")
Q.x = toFp("0x465047949CD6574FDBE00EA365CAF7A95DC9DEBE96A188823CA8C9DD9F527CF81290D49864F61DF0C08C1D6052139230735CA6CFDBDC1A8820610CCD71861176")
Q.z = toFp("1")
PdQ.x = toFp("0x49D3B999A0A020B34473568A8F75B5405F2D3BE5A006595015FC6DDC6BED8AB2A51A887B6DC62C64354466865FFD69E50AD37F6F4FBD74119EB65EBC9367B556")
PdQ.z = toFp("1")
A.a = toFp("0x118F955D498D902FD42E5B2926F297CC814CD7649EC5B070295622F97C4A0D9BD34058A7E0E00CB73ED32FCC237F9F6B7D2A15F5CC7C4EC61ECEF80ACBB0EFA4")
A.c = toFp("1")
checkXDblAdd()
// Case P=value, Q=(x=1, z=0). In this case PaQ==P; PaP=2*P
expPaP.SetString("0x38F5B37271A3D8FA50107F88045D6F6B08355DD026C02E0306CE5875F47422736AD841B4122B2BD7DE6166BB6498F6A283378FF8250948E834F15CEA2D59A57B", 0)
expPaQ.SetString("0x4FE17B4CC66E85960F57033CD45996C99248DA09DF2E36F8840657B52F74ED8173E0D322FA57D7B4D0EE7F12967BBD59140B42F2626E29167D6419E851E5A4C9", 0)
P.x = toFp("0x4FE17B4CC66E85960F57033CD45996C99248DA09DF2E36F8840657B52F74ED8173E0D322FA57D7B4D0EE7F12967BBD59140B42F2626E29167D6419E851E5A4C9")
P.z = toFp("1")
Q.x = toFp("1")
Q.z = toFp("0")
PdQ.x = toFp("0x4FE17B4CC66E85960F57033CD45996C99248DA09DF2E36F8840657B52F74ED8173E0D322FA57D7B4D0EE7F12967BBD59140B42F2626E29167D6419E851E5A4C9")
PdQ.z = toFp("1")
A.a = toFp("0x118F955D498D902FD42E5B2926F297CC814CD7649EC5B070295622F97C4A0D9BD34058A7E0E00CB73ED32FCC237F9F6B7D2A15F5CC7C4EC61ECEF80ACBB0EFA4")
A.c = toFp("1")
checkXDblAdd()
}
func TestXDblAddVSxDblxAdd(t *testing.T) {
var P, Q, PdQ point
var PaP1, PaQ1 point
var PaP2, PaQ2 point
var A point
var A24 coeff
P.x = toFp("0x4FE17B4CC66E85960F57033CD45996C99248DA09DF2E36F8840657B52F74ED8173E0D322FA57D7B4D0EE7F12967BBD59140B42F2626E29167D6419E851E5A4C9")
P.z = toFp("1")
Q.x = toFp("0x465047949CD6574FDBE00EA365CAF7A95DC9DEBE96A188823CA8C9DD9F527CF81290D49864F61DF0C08C1D6052139230735CA6CFDBDC1A8820610CCD71861176")
Q.z = toFp("1")
PdQ.x = toFp("0x49D3B999A0A020B34473568A8F75B5405F2D3BE5A006595015FC6DDC6BED8AB2A51A887B6DC62C64354466865FFD69E50AD37F6F4FBD74119EB65EBC9367B556")
PdQ.z = toFp("1")
A.x = toFp("0x118F955D498D902FD42E5B2926F297CC814CD7649EC5B070295622F97C4A0D9BD34058A7E0E00CB73ED32FCC237F9F6B7D2A15F5CC7C4EC61ECEF80ACBB0EFA4")
A.z = toFp("1")
// Precompute A24 for xDblAdd
// (A+2C:4C) => (A24.x = A.x+2A.z; A24.z = 4*A.z)
addRdc(&A24.a, &A.z, &A.z)
addRdc(&A24.a, &A24.a, &A.x)
mulRdc(&A24.c, &A.z, &four)
for i := 0; i < numIter; i++ {
xAdd(&PaQ2, &P, &Q, &PdQ)
xDbl(&PaP2, &P, &A)
xDblAdd(&PaP1, &PaQ1, &P, &Q, &PdQ, &A24)
if !ceqpoint(&PaQ1, &PaQ2) {
exp := toNormX(&PaQ1)
got := toNormX(&PaQ2)
t.Errorf("\nExp: \n\t%s\nGot from xAdd: \n\t%s", exp.Text(16), got.Text(16))
}
if !ceqpoint(&PaP1, &PaP2) {
exp := toNormX(&PaP1)
got := toNormX(&PaP2)
t.Errorf("\nExp: \n\t%s\nGot from xDbl: \n\t%s", exp.Text(16), got.Text(16))
}
// Swap values for next operation
PdQ = Q
Q = P
P = PaP1
}
}
func TestXMul(t *testing.T) {
var P point
var co coeff
var expKP big.Int
var k fp
checkXMul := func() {
var kP point
xMul(&kP, &P, &co, &k)
retKP := toNormX(&kP)
if expKP.Cmp(&retKP) != 0 {
t.Errorf("\nExp: %s\nGot: %s", expKP.Text(16), retKP.Text(16))
}
// Check if first and second argument can overlap
xMul(&P, &P, &co, &k)
retKP = toNormX(&P)
if expKP.Cmp(&retKP) != 0 {
t.Errorf("\nExp: %s\nGot: %s", expKP.Text(16), retKP.Text(16))
}
}
// Case C=1
expKP.SetString("0x582B866603E6FBEBD21FE660FB34EF9466FDEC55FFBCE1073134CC557071147821BBAD225E30F7B2B6790B00ED9C39A29AA043F58AF995E440AFB13DA8E6D788", 0)
P.x = toFp("0x1C5CA539C1D5B52DE4750C390C24C05251E8B1D33E48971FA86F5ADDED2D06C8CD31E94887541468BB2925EBD693C9DDFF5BD9508430F25FE28EE30C0760C0FE")
P.z = toFp("1")
co.a = toFp("0x538F785D52996919C8D5C73D842A0249669B5B6BB05338B74EAE8094AE5009A3BA2D73730F527D7403E8184D9B1FA11C0C4C40E7B328A84874A6DBCE99E1DF92")
co.c = toFp("1")
k = fp{0x7A36C930A83EFBD5, 0xD0E80041ED0DDF9F, 0x5AA17134F1B8F877, 0x975711EC94168E51, 0xB3CAD962BED4BAC5, 0x3026DFDD7E4F5687, 0xE67F91AB8EC9C3AF, 0x34671D3FD8C317E7}
checkXMul()
// Check if algorithms works correctly with k=1
expKP.SetString("0x1C5CA539C1D5B52DE4750C390C24C05251E8B1D33E48971FA86F5ADDED2D06C8CD31E94887541468BB2925EBD693C9DDFF5BD9508430F25FE28EE30C0760C0FE", 0)
P.x = toFp("0x1C5CA539C1D5B52DE4750C390C24C05251E8B1D33E48971FA86F5ADDED2D06C8CD31E94887541468BB2925EBD693C9DDFF5BD9508430F25FE28EE30C0760C0FE")
P.z = toFp("1")
co.a = toFp("0x538F785D52996919C8D5C73D842A0249669B5B6BB05338B74EAE8094AE5009A3BA2D73730F527D7403E8184D9B1FA11C0C4C40E7B328A84874A6DBCE99E1DF92")
co.c = toFp("1")
k = fp{1, 0, 0, 0, 0, 0, 0, 0}
checkXMul()
// Check if algorithms works correctly with value of k for which few small and high
// order bits are 0 (test for odd number of cswaps in xMul)
expKP.SetString("0x1925EDA0928C10F427B4E642E7E1481A670D1249956DED6A2292B9BAB841F6AA86A9F41459400845ED4A5E2531A14165F64FE4E43DBD85321B429C6DAE2E8987", 0)
P.x = toFp("0x4CE8603817B9BB06515E921AA201D26B31F3CE181D1E18CD5CD704708CCAD47546CEEAB42B98EE67925A5259E0684A0489F574A999DE127F708B849ACAA12A63")
P.z = toFp("1")
co.a = toFp("0x538F785D52996919C8D5C73D842A0249669B5B6BB05338B74EAE8094AE5009A3BA2D73730F527D7403E8184D9B1FA11C0C4C40E7B328A84874A6DBCE99E1DF92")
co.c = toFp("1")
k = fp{0, 7, 0, 0, 0, 0, 0, 0}
checkXMul()
// Check if algorithms works correctly with value of k for which few small and high
// order bits are 0 (test for even number of cswaps in xMul)
expKP.SetString("0x30C02915C5967C3B6EB2196A934ADF38A183E9C7E814B54121F93048A8FC12D5036992FABF8D807581017A4C1F93D07352413F38F6A902FC76A8894FE8D94805", 0)
P.x = toFp("0x2DDD15ED7C169BE6D9EC02CFE3DC507EC4A7A4D96DE3FAAB9BFCEA1B047807EA301E89830F2FDD0E7E642A85E7ACDE16BAD76DF140F719C4A7AB85153E7D69DC")
P.z = toFp("1")
co.a = toFp("0x538F785D52996919C8D5C73D842A0249669B5B6BB05338B74EAE8094AE5009A3BA2D73730F527D7403E8184D9B1FA11C0C4C40E7B328A84874A6DBCE99E1DF92")
co.c = toFp("1")
k = fp{0, 15, 0, 0, 0, 0, 0, 0}
checkXMul()
// xMul512 does NOT work correctly for k==0. In such case function will return 2*P. But
// thanks to that fact we don't need to handle k==0 case, we get some speedup.
expKP.SetString("0x6115B5D8BB613D11BDFEA70D436D87C1515553F6A15061727B4001E0AF745AAA9F39EB9464982829D931F77DAB9D71B24FF0D1D34C347F2A51FD45821F2EA06F", 0)
P.x = toFp("0x6C5B4D4AB0765AAB23C10F8455BE522D3A5363324D7AD641CC67C0A52FC1FFE9F3F8EDFE641478CA93D4D0016D83F21487FD4AF4E02F8A2C237CF27C5604BCC")
P.z = toFp("1")
co.a = toFp("0x599841D7D1FCD92A85759B7A3D2D5E4C56EFB17F19F86EB70E121EA16305EDE45A55868BE069313F821F7D94069EC220A4AC3B85500376710538246E9B3BC138")
co.c = toFp("1")
k = fp{0, 0, 0, 0, 0, 0, 0, 0}
checkXMul()
}
func TestMappointHardcoded3(t *testing.T) {
P := point{
x: fp{0xca1a2fdec38c669b, 0xf2fe3678ebeb978b, 0xfda3e9a6f0c719d, 0x6f7bffa41772570b, 0x3d90cdd6283dc150, 0x21b55b738eb1ded9, 0x209515d0a9f41dd6, 0x5275cf397d154a12},
z: fp{0x1fff8309761576e, 0xef239cbeda7c2ba1, 0x6136ae2d76e95873, 0x1f8f6ac909570cec, 0x780fdf0cc7d676d8, 0x548098fe92ed04e1, 0xb39da564701ef35d, 0x5fec19626df41306},
}
A := coeff{
a: fp{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
c: fp{0xc8fc8df598726f0a, 0x7b1bc81750a6af95, 0x5d319e67c1e961b4, 0xb0aa7275301955f1, 0x4a080672d9ba6c64, 0x97a5ef8a246ee77b, 0x6ea9e5d4383676a, 0x3496e2e117e0ec80},
}
K := point{
x: fp{0x597616608e291c6f, 0xd14230b008736798, 0xa63099b1ace67e6e, 0xe37c13afd768bcfa, 0xc6ef718894f08135, 0x53a4fd09091f3522, 0xc9a1f9f670645fe1, 0x628c4a8efd83e5f0},
z: fp{0x8f18a654312ac1ad, 0xbc20a9b2472785c9, 0xdaf97c29bbf9e492, 0xf91a8c799e2f6119, 0xc8dc675cc8e528e6, 0x9a7b2c2f0df95171, 0x85629cd38cdd9fdb, 0x656d5253d3fd1a6e},
}
var k uint64 = 3
expA := coeff{
a: fp{0x6fa92a66e77cfc1, 0x9efbfb7118f1832c, 0x441894cc5d1d24ae, 0x5a2f0fafa26761de, 0x8095c36d3a20a78a, 0xb22be0023612a135, 0x5eb844d06ef0f430, 0x52e53309d1c90cf8},
c: fp{0x98173d5664a23e5c, 0xd8fe1c6306bbc11a, 0xa774fbc502648059, 0x766a0d839aa62c83, 0x4b074f9b93d1633d, 0xf306019dbf87f505, 0x77c720ca059234b0, 0x3d47ab65269c5908},
}
expP := point{
x: fp{0x91aba9b39f280495, 0xfbd8ea69d2990aeb, 0xb03e1b8ed7fe3dba, 0x3d30a41499f08998, 0xb15a42630de9c606, 0xa7dd487fef16f5c8, 0x8673948afed8e968, 0x57ecc8710004cd4d},
z: fp{0xce8819869a942526, 0xb98ca2ff79ef8969, 0xd49c9703743a1812, 0x21dbb090f9152e03, 0xbabdcac831b1adea, 0x8cee90762baa2ddd, 0xa0dd2ddcef809d96, 0x1de2a8887a32f19b},
}
xIso(&P, &A, &K, k)
if !eqFp(&P.x, &expP.x) || !eqFp(&P.z, &expP.z) {
normP := toNormX(&P)
normPExp := toNormX(&expP)
t.Errorf("P != expP [\n %s != %s\n]", normP.Text(16), normPExp.Text(16))
}
if !eqFp(&A.a, &expA.a) || !eqFp(&A.c, &expA.c) {
t.Errorf("A != expA %X %X", A.a[0], expA.a[0])
}
}
func TestMappointHardcoded5(t *testing.T) {
P := point{
x: fp{0xca1a2fdec38c669b, 0xf2fe3678ebeb978b, 0xfda3e9a6f0c719d, 0x6f7bffa41772570b, 0x3d90cdd6283dc150, 0x21b55b738eb1ded9, 0x209515d0a9f41dd6, 0x5275cf397d154a12},
z: fp{0x1fff8309761576e, 0xef239cbeda7c2ba1, 0x6136ae2d76e95873, 0x1f8f6ac909570cec, 0x780fdf0cc7d676d8, 0x548098fe92ed04e1, 0xb39da564701ef35d, 0x5fec19626df41306},
}
A := coeff{
a: fp{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
c: fp{0xc8fc8df598726f0a, 0x7b1bc81750a6af95, 0x5d319e67c1e961b4, 0xb0aa7275301955f1, 0x4a080672d9ba6c64, 0x97a5ef8a246ee77b, 0x6ea9e5d4383676a, 0x3496e2e117e0ec80},
}
K := point{
x: fp{0x597616608e291c6f, 0xd14230b008736798, 0xa63099b1ace67e6e, 0xe37c13afd768bcfa, 0xc6ef718894f08135, 0x53a4fd09091f3522, 0xc9a1f9f670645fe1, 0x628c4a8efd83e5f0},
z: fp{0x8f18a654312ac1ad, 0xbc20a9b2472785c9, 0xdaf97c29bbf9e492, 0xf91a8c799e2f6119, 0xc8dc675cc8e528e6, 0x9a7b2c2f0df95171, 0x85629cd38cdd9fdb, 0x656d5253d3fd1a6e},
}
var k uint64 = 5
expA := coeff{
a: fp{0x32076f58298ed474, 0x5094a1fc8696d307, 0x82e510594157944a, 0xb60ce760f88c83a9, 0xae8a28c325186983, 0xe31d2446a4ad2f18, 0xb266c612b5f141c1, 0x64283e618db5a705},
c: fp{0x4472b49b65272190, 0x2bd5919309778f56, 0x6132753691fe016c, 0x8f654849c09e6d34, 0xfa208dd9aea1ef12, 0xf7df0dd10071411a, 0x75afb7860500922c, 0x52fb7d34b129fb65},
}
expP := point{
x: fp{0x3b75fc94b2a6df2d, 0x96d53dc9b0e867a0, 0x22e87202421d274e, 0x30a361440697ee1a, 0x8b52ee078bdbddcd, 0x64425d500e6b934d, 0xf47d1f568f6df391, 0x5d9d3607431395ab},
z: fp{0x746e02dafa040976, 0xcd408f2cddbf3a8e, 0xf643354e0e13a93f, 0x7c39ed96ce9a5e29, 0xfcdf26f1a1a550ca, 0x2fc8aafc4ca0a559, 0x5d204a2b14cf19ba, 0xbd2c3406762f05d},
}
xIso(&P, &A, &K, k)
if !eqFp(&P.x, &expP.x) || !eqFp(&P.z, &expP.z) {
normP := toNormX(&P)
normPExp := toNormX(&expP)
t.Errorf("P != expP [\n %s != %s\n]", normP.Text(16), normPExp.Text(16))
}
if !eqFp(&A.a, &expA.a) || !eqFp(&A.c, &expA.c) {
t.Errorf("A != expA %X %X", A.a[0], expA.a[0])
}
}
func BenchmarkXMul(b *testing.B) {
var kP, P point
var co coeff
var expKP big.Int
var k fp
// Case C=1
expKP.SetString("0x582B866603E6FBEBD21FE660FB34EF9466FDEC55FFBCE1073134CC557071147821BBAD225E30F7B2B6790B00ED9C39A29AA043F58AF995E440AFB13DA8E6D788", 0)
P.x = toFp("0x1C5CA539C1D5B52DE4750C390C24C05251E8B1D33E48971FA86F5ADDED2D06C8CD31E94887541468BB2925EBD693C9DDFF5BD9508430F25FE28EE30C0760C0FE")
P.z = toFp("1")
co.a = toFp("0x538F785D52996919C8D5C73D842A0249669B5B6BB05338B74EAE8094AE5009A3BA2D73730F527D7403E8184D9B1FA11C0C4C40E7B328A84874A6DBCE99E1DF92")
co.c = toFp("1")
k = fp{0x7A36C930A83EFBD5, 0xD0E80041ED0DDF9F, 0x5AA17134F1B8F877, 0x975711EC94168E51, 0xB3CAD962BED4BAC5, 0x3026DFDD7E4F5687, 0xE67F91AB8EC9C3AF, 0x34671D3FD8C317E7}
for n := 0; n < b.N; n++ {
xMul(&kP, &P, &co, &k)
}
}
func BenchmarkXAdd(b *testing.B) {
var P, Q, PdQ point
var PaQ point
P.x = toFp("0x5840FD8E0165F7F474260F99337461AF195233F791FABE735EC2634B74A95559568B4CEB23959C8A01C5C57E215D22639868ED840D74FE2BAC04830CF75047AD")
P.z = toFp("1")
Q.x = toFp("0x3C1A003C71436698B4A181CEB12BA4B4D1FF7BB14AAAF6FBDA6957C4EBA20AD8E3893DF6F64E67E81163E024C19C7E975F3EC61862F75502C3ED802370E75A3F")
Q.z = toFp("1")
PdQ.x = toFp("0x519B1928F752B0B2143C1C23EB247B370DBB5B9C29B9A3A064D7FBC1B67FAC34B6D3DDA0F3CB87C387B425B36F31B93A8E73252BA701927B767A9DE89D5A92AE")
PdQ.z = toFp("1")
for n := 0; n < b.N; n++ {
xAdd(&PaQ, &P, &Q, &PdQ)
}
}
func BenchmarkXDbl(b *testing.B) {
var P, A point
var PaP point
P.x = toFp("0x6C5B4D4AB0765AAB23C10F8455BE522D3A5363324D7AD641CC67C0A52FC1FFE9F3F8EDFE641478CA93D4D0016D83F21487FD4AF4E02F8A2C237CF27C5604BCC")
P.z = toFp("1")
A.x = toFp("0x599841D7D1FCD92A85759B7A3D2D5E4C56EFB17F19F86EB70E121EA16305EDE45A55868BE069313F821F7D94069EC220A4AC3B85500376710538246E9B3BC138")
A.z = toFp("1")
for n := 0; n < b.N; n++ {
xDbl(&PaP, &P, &A)
}
}
func BenchmarkIsom(b *testing.B) {
var P, kern point
var expPhiP big.Int
var co coeff
k := uint64(2)
expPhiP.SetString("0x5FEBD68F795F9AEB732ECF0D1507904922F2B0736704E0751EF242B4E191E6F630D83778B5E5681161FD071CDEF7DF4C3A41D0ECEB30E90B119C5BF86C5AB51A", 0)
P.x = toFp("0x5FD8D226C228FD6AA3CCDCAB931C5D3AA000A46B47041F59D9724E517594F696D38F2CB45C987ACF68BB1057D8D518F926D8F55171F337D05354E0022BC66B23")
P.z = toFp("1")
co.a = toFp("0x9E8DBC4914E3C4F080592642DD0B08B9564AB3ADF75EE9B58A685443BA6E39A1ACD1201B7F034077AF344123880AF9D8C77575E6E782E00186881ECE8B87CA3")
co.c = toFp("1")
kern.x = toFp("0x594F77A49EABBF2A12025BC00E1DBC119CDA674B9FE8A00791724B42FEB7D225C4C9940B01B09B8F00B30B0E961212FB63E42614814E38EC9E5E5B0FEBF98C58")
kern.z = toFp("1")
for n := 0; n < b.N; n++ {
xIso(&P, &co, &kern, k)
}
}
|
