Merge branch 'kobigurk-feature/mimcsponge'
This commit is contained in:
Jordi Baylina
commit
c84f6da970
123
circuits/eddsamimcsponge.circom
Normal file
123
circuits/eddsamimcsponge.circom
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@ -0,0 +1,123 @@
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/*
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Copyright 2018 0KIMS association.
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This file is part of circom (Zero Knowledge Circuit Compiler).
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circom is a free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
|
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the Free Software Foundation, either version 3 of the License, or
|
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|
(at your option) any later version.
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circom is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
||||||
|
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
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License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
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|
along with circom. If not, see <https://www.gnu.org/licenses/>.
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|
*/
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include "compconstant.circom";
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include "pointbits.circom";
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include "mimcsponge.circom";
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include "bitify.circom";
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include "escalarmulany.circom";
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include "escalarmulfix.circom";
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template EdDSAMiMCSpongeVerifier() {
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signal input enabled;
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signal input Ax;
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signal input Ay;
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signal input S;
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signal input R8x;
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signal input R8y;
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|
signal input M;
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var i;
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|
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// Ensure S<Subgroup Order
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component snum2bits = Num2Bits(253);
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snum2bits.in <== S;
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|
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component compConstant = CompConstant(2736030358979909402780800718157159386076813972158567259200215660948447373040);
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|
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|
for (i=0; i<253; i++) {
|
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|
snum2bits.out[i] ==> compConstant.in[i];
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|
}
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|
compConstant.in[253] <== 0;
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compConstant.out === 0;
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// Calculate the h = H(R,A, msg)
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component hash = MiMCSponge(5, 220, 1);
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hash.ins[0] <== R8x;
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hash.ins[1] <== R8y;
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|
hash.ins[2] <== Ax;
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|
hash.ins[3] <== Ay;
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|
hash.ins[4] <== M;
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hash.k <== 0;
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|
component h2bits = Num2Bits_strict();
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h2bits.in <== hash.outs[0];
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|
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|
// Calculate second part of the right side: right2 = h*8*A
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|
// Multiply by 8 by adding it 3 times. This also ensure that the result is in
|
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|
// the subgroup.
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|
component dbl1 = BabyDbl();
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|
dbl1.x <== Ax;
|
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|
dbl1.y <== Ay;
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component dbl2 = BabyDbl();
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|
dbl2.x <== dbl1.xout;
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|
dbl2.y <== dbl1.yout;
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|
component dbl3 = BabyDbl();
|
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|
dbl3.x <== dbl2.xout;
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|
dbl3.y <== dbl2.yout;
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|
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|
// We check that A is not zero.
|
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|
component isZero = IsZero();
|
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|
isZero.in <== dbl3.x;
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|
isZero.out === 0;
|
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|
|
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|
component mulAny = EscalarMulAny(254);
|
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|
for (i=0; i<254; i++) {
|
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|
mulAny.e[i] <== h2bits.out[i];
|
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|
}
|
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|
mulAny.p[0] <== dbl3.xout;
|
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|
mulAny.p[1] <== dbl3.yout;
|
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|
|
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|
|
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|
// Compute the right side: right = R8 + right2
|
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|
|
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|
component addRight = BabyAdd();
|
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|
addRight.x1 <== R8x;
|
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|
addRight.y1 <== R8y;
|
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|
addRight.x2 <== mulAny.out[0];
|
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|
addRight.y2 <== mulAny.out[1];
|
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|
|
||||||
|
// Calculate left side of equation left = S*B8
|
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|
|
||||||
|
var BASE8 = [
|
||||||
|
17777552123799933955779906779655732241715742912184938656739573121738514868268,
|
||||||
|
2626589144620713026669568689430873010625803728049924121243784502389097019475
|
||||||
|
];
|
||||||
|
component mulFix = EscalarMulFix(253, BASE8);
|
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|
for (i=0; i<253; i++) {
|
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|
mulFix.e[i] <== snum2bits.out[i];
|
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|
}
|
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|
|
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|
// Do the comparation left == right if enabled;
|
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|
|
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|
component eqCheckX = ForceEqualIfEnabled();
|
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|
eqCheckX.enabled <== enabled;
|
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|
eqCheckX.in[0] <== mulFix.out[0];
|
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|
eqCheckX.in[1] <== addRight.xout;
|
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|
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|
component eqCheckY = ForceEqualIfEnabled();
|
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|
eqCheckY.enabled <== enabled;
|
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|
eqCheckY.in[0] <== mulFix.out[1];
|
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|
eqCheckY.in[1] <== addRight.yout;
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|
}
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283
circuits/mimcsponge.circom
Normal file
283
circuits/mimcsponge.circom
Normal file
@ -0,0 +1,283 @@
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|
// implements MiMC-2n/n as hash using a sponge construction.
|
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|
// log_5(21888242871839275222246405745257275088548364400416034343698204186575808495617) ~= 110
|
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|
// => nRounds should be 220
|
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|
template MiMCSponge(nInputs, nRounds, nOutputs) {
|
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|
signal input ins[nInputs];
|
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|
signal input k;
|
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|
signal output outs[nOutputs];
|
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|
|
||||||
|
// S = R||C
|
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|
component S[nInputs + nOutputs - 1];
|
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|
|
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|
for (var i = 0; i < nInputs; i++) {
|
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|
S[i] = MiMCFeistel(nRounds);
|
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|
S[i].k <== k;
|
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|
if (i == 0) {
|
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|
S[i].xL_in <== ins[0];
|
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|
S[i].xR_in <== 0;
|
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|
} else {
|
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|
S[i].xL_in <== S[i-1].xL_out + ins[i];
|
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|
S[i].xR_in <== S[i-1].xR_out;
|
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|
}
|
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|
}
|
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|
|
||||||
|
outs[0] = S[nInputs - 1].xL_out;
|
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|
|
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|
for (var i = 0; i < nOutputs - 1; i++) {
|
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|
S[nInputs + i] = MiMCFeistel(nRounds);
|
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|
S[nInputs + i].k <== k;
|
||||||
|
S[nInputs + i].xL_in <== S[nInputs + i - 1].xL_out;
|
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|
S[nInputs + i].xR_in <== S[nInputs + i - 1].xR_out;
|
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|
outs[i + 1] <== S[nInputs + i].xL_out;
|
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|
}
|
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|
}
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|
|
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|
template MiMCFeistel(nrounds) {
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|
signal input xL_in;
|
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|
signal input xR_in;
|
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|
signal input k;
|
||||||
|
signal output xL_out;
|
||||||
|
signal output xR_out;
|
||||||
|
|
||||||
|
var c = [
|
||||||
|
0,
|
||||||
|
7120861356467848435263064379192047478074060781135320967663101236819528304084,
|
||||||
|
5024705281721889198577876690145313457398658950011302225525409148828000436681,
|
||||||
|
17980351014018068290387269214713820287804403312720763401943303895585469787384,
|
||||||
|
19886576439381707240399940949310933992335779767309383709787331470398675714258,
|
||||||
|
1213715278223786725806155661738676903520350859678319590331207960381534602599,
|
||||||
|
18162138253399958831050545255414688239130588254891200470934232514682584734511,
|
||||||
|
7667462281466170157858259197976388676420847047604921256361474169980037581876,
|
||||||
|
7207551498477838452286210989212982851118089401128156132319807392460388436957,
|
||||||
|
9864183311657946807255900203841777810810224615118629957816193727554621093838,
|
||||||
|
4798196928559910300796064665904583125427459076060519468052008159779219347957,
|
||||||
|
17387238494588145257484818061490088963673275521250153686214197573695921400950,
|
||||||
|
10005334761930299057035055370088813230849810566234116771751925093634136574742,
|
||||||
|
11897542014760736209670863723231849628230383119798486487899539017466261308762,
|
||||||
|
16771780563523793011283273687253985566177232886900511371656074413362142152543,
|
||||||
|
749264854018824809464168489785113337925400687349357088413132714480582918506,
|
||||||
|
3683645737503705042628598550438395339383572464204988015434959428676652575331,
|
||||||
|
7556750851783822914673316211129907782679509728346361368978891584375551186255,
|
||||||
|
20391289379084797414557439284689954098721219201171527383291525676334308303023,
|
||||||
|
18146517657445423462330854383025300323335289319277199154920964274562014376193,
|
||||||
|
8080173465267536232534446836148661251987053305394647905212781979099916615292,
|
||||||
|
10796443006899450245502071131975731672911747129805343722228413358507805531141,
|
||||||
|
5404287610364961067658660283245291234008692303120470305032076412056764726509,
|
||||||
|
4623894483395123520243967718315330178025957095502546813929290333264120223168,
|
||||||
|
16845753148201777192406958674202574751725237939980634861948953189320362207797,
|
||||||
|
4622170486584704769521001011395820886029808520586507873417553166762370293671,
|
||||||
|
16688277490485052681847773549197928630624828392248424077804829676011512392564,
|
||||||
|
11878652861183667748838188993669912629573713271883125458838494308957689090959,
|
||||||
|
2436445725746972287496138382764643208791713986676129260589667864467010129482,
|
||||||
|
1888098689545151571063267806606510032698677328923740058080630641742325067877,
|
||||||
|
148924106504065664829055598316821983869409581623245780505601526786791681102,
|
||||||
|
18875020877782404439294079398043479420415331640996249745272087358069018086569,
|
||||||
|
15189693413320228845990326214136820307649565437237093707846682797649429515840,
|
||||||
|
19669450123472657781282985229369348220906547335081730205028099210442632534079,
|
||||||
|
5521922218264623411380547905210139511350706092570900075727555783240701821773,
|
||||||
|
4144769320246558352780591737261172907511489963810975650573703217887429086546,
|
||||||
|
10097732913112662248360143041019433907849917041759137293018029019134392559350,
|
||||||
|
1720059427972723034107765345743336447947522473310069975142483982753181038321,
|
||||||
|
6302388219880227251325608388535181451187131054211388356563634768253301290116,
|
||||||
|
6745410632962119604799318394592010194450845483518862700079921360015766217097,
|
||||||
|
10858157235265583624235850660462324469799552996870780238992046963007491306222,
|
||||||
|
20241898894740093733047052816576694435372877719072347814065227797906130857593,
|
||||||
|
10165780782761211520836029617746977303303335603838343292431760011576528327409,
|
||||||
|
2832093654883670345969792724123161241696170611611744759675180839473215203706,
|
||||||
|
153011722355526826233082383360057587249818749719433916258246100068258954737,
|
||||||
|
20196970640587451358539129330170636295243141659030208529338914906436009086943,
|
||||||
|
3180973917010545328313139835982464870638521890385603025657430208141494469656,
|
||||||
|
17198004293191777441573635123110935015228014028618868252989374962722329283022,
|
||||||
|
7642160509228669138628515458941659189680509753651629476399516332224325757132,
|
||||||
|
19346204940546791021518535594447257347218878114049998691060016493806845179755,
|
||||||
|
11501810868606870391127866188394535330696206817602260610801897042898616817272,
|
||||||
|
3113973447392053821824427670386252797811804954746053461397972968381571297505,
|
||||||
|
6545064306297957002139416752334741502722251869537551068239642131448768236585,
|
||||||
|
5203908808704813498389265425172875593837960384349653691918590736979872578408,
|
||||||
|
2246692432011290582160062129070762007374502637007107318105405626910313810224,
|
||||||
|
11760570435432189127645691249600821064883781677693087773459065574359292849137,
|
||||||
|
5543749482491340532547407723464609328207990784853381797689466144924198391839,
|
||||||
|
8837549193990558762776520822018694066937602576881497343584903902880277769302,
|
||||||
|
12855514863299373699594410385788943772765811961581749194183533625311486462501,
|
||||||
|
5363660674689121676875069134269386492382220935599781121306637800261912519729,
|
||||||
|
13162342403579303950549728848130828093497701266240457479693991108217307949435,
|
||||||
|
916941639326869583414469202910306428966657806899788970948781207501251816730,
|
||||||
|
15618589556584434434009868216186115416835494805174158488636000580759692174228,
|
||||||
|
8959562060028569701043973060670353733575345393653685776974948916988033453971,
|
||||||
|
16390754464333401712265575949874369157699293840516802426621216808905079127650,
|
||||||
|
168282396747788514908709091757591226095443902501365500003618183905496160435,
|
||||||
|
8327443473179334761744301768309008451162322941906921742120510244986704677004,
|
||||||
|
17213012626801210615058753489149961717422101711567228037597150941152495100640,
|
||||||
|
10394369641533736715250242399198097296122982486516256408681925424076248952280,
|
||||||
|
17784386835392322654196171115293700800825771210400152504776806618892170162248,
|
||||||
|
16533189939837087893364000390641148516479148564190420358849587959161226782982,
|
||||||
|
18725396114211370207078434315900726338547621160475533496863298091023511945076,
|
||||||
|
7132325028834551397904855671244375895110341505383911719294705267624034122405,
|
||||||
|
148317947440800089795933930720822493695520852448386394775371401743494965187,
|
||||||
|
19001050671757720352890779127693793630251266879994702723636759889378387053056,
|
||||||
|
18824274411769830274877839365728651108434404855803844568234862945613766611460,
|
||||||
|
12771414330193951156383998390424063470766226667986423961689712557338777174205,
|
||||||
|
11332046574800279729678603488745295198038913503395629790213378101166488244657,
|
||||||
|
9607550223176946388146938069307456967842408600269548190739947540821716354749,
|
||||||
|
8756385288462344550200229174435953103162307705310807828651304665320046782583,
|
||||||
|
176061952957067086877570020242717222844908281373122372938833890096257042779,
|
||||||
|
12200212977482648306758992405065921724409841940671166017620928947866825250857,
|
||||||
|
10868453624107875516866146499877130701929063632959660262366632833504750028858,
|
||||||
|
2016095394399807253596787752134573207202567875457560571095586743878953450738,
|
||||||
|
21815578223768330433802113452339488275704145896544481092014911825656390567514,
|
||||||
|
4923772847693564777744725640710197015181591950368494148029046443433103381621,
|
||||||
|
1813584943682214789802230765734821149202472893379265320098816901270224589984,
|
||||||
|
10810123816265612772922113403831964815724109728287572256602010709288980656498,
|
||||||
|
1153669123397255702524721206511185557982017410156956216465120456256288427021,
|
||||||
|
5007518659266430200134478928344522649876467369278722765097865662497773767152,
|
||||||
|
2511432546938591792036639990606464315121646668029252285288323664350666551637,
|
||||||
|
32883284540320451295484135704808083452381176816565850047310272290579727564,
|
||||||
|
10484856914279112612610993418405543310546746652738541161791501150994088679557,
|
||||||
|
2026733759645519472558796412979210009170379159866522399881566309631434814953,
|
||||||
|
14731806221235869882801331463708736361296174006732553130708107037190460654379,
|
||||||
|
14740327483193277147065845135561988641238516852487657117813536909482068950652,
|
||||||
|
18787428285295558781869865751953016580493190547148386433580291216673009884554,
|
||||||
|
3804047064713122820157099453648459188816376755739202017447862327783289895072,
|
||||||
|
16709604795697901641948603019242067672006293290826991671766611326262532802914,
|
||||||
|
11061717085931490100602849654034280576915102867237101935487893025907907250695,
|
||||||
|
2821730726367472966906149684046356272806484545281639696873240305052362149654,
|
||||||
|
17467794879902895769410571945152708684493991588672014763135370927880883292655,
|
||||||
|
1571520786233540988201616650622796363168031165456869481368085474420849243232,
|
||||||
|
10041051776251223165849354194892664881051125330236567356945669006147134614302,
|
||||||
|
3981753758468103976812813304477670033098707002886030847251581853700311567551,
|
||||||
|
4365864398105436789177703571412645548020537580493599380018290523813331678900,
|
||||||
|
2391801327305361293476178683853802679507598622000359948432171562543560193350,
|
||||||
|
214219368547551689972421167733597094823289857206402800635962137077096090722,
|
||||||
|
18192064100315141084242006659317257023098826945893371479835220462302399655674,
|
||||||
|
15487549757142039139328911515400805508248576685795694919457041092150651939253,
|
||||||
|
10142447197759703415402259672441315777933858467700579946665223821199077641122,
|
||||||
|
11246573086260753259993971254725613211193686683988426513880826148090811891866,
|
||||||
|
6574066859860991369704567902211886840188702386542112593710271426704432301235,
|
||||||
|
11311085442652291634822798307831431035776248927202286895207125867542470350078,
|
||||||
|
20977948360215259915441258687649465618185769343138135384346964466965010873779,
|
||||||
|
792781492853909872425531014397300057232399608769451037135936617996830018501,
|
||||||
|
5027602491523497423798779154966735896562099398367163998686335127580757861872,
|
||||||
|
14595204575654316237672764823862241845410365278802914304953002937313300553572,
|
||||||
|
13973538843621261113924259058427434053808430378163734641175100160836376897004,
|
||||||
|
16395063164993626722686882727042150241125309409717445381854913964674649318585,
|
||||||
|
8465768840047024550750516678171433288207841931251654898809033371655109266663,
|
||||||
|
21345603324471810861925019445720576814602636473739003852898308205213912255830,
|
||||||
|
21171984405852590343970239018692870799717057961108910523876770029017785940991,
|
||||||
|
10761027113757988230637066281488532903174559953630210849190212601991063767647,
|
||||||
|
6678298831065390834922566306988418588227382406175769592902974103663687992230,
|
||||||
|
4993662582188632374202316265508850988596880036291765531885657575099537176757,
|
||||||
|
18364168158495573675698600238443218434246806358811328083953887470513967121206,
|
||||||
|
3506345610354615013737144848471391553141006285964325596214723571988011984829,
|
||||||
|
248732676202643792226973868626360612151424823368345645514532870586234380100,
|
||||||
|
10090204501612803176317709245679152331057882187411777688746797044706063410969,
|
||||||
|
21297149835078365363970699581821844234354988617890041296044775371855432973500,
|
||||||
|
16729368143229828574342820060716366330476985824952922184463387490091156065099,
|
||||||
|
4467191506765339364971058668792642195242197133011672559453028147641428433293,
|
||||||
|
8677548159358013363291014307402600830078662555833653517843708051504582990832,
|
||||||
|
1022951765127126818581466247360193856197472064872288389992480993218645055345,
|
||||||
|
1888195070251580606973417065636430294417895423429240431595054184472931224452,
|
||||||
|
4221265384902749246920810956363310125115516771964522748896154428740238579824,
|
||||||
|
2825393571154632139467378429077438870179957021959813965940638905853993971879,
|
||||||
|
19171031072692942278056619599721228021635671304612437350119663236604712493093,
|
||||||
|
10780807212297131186617505517708903709488273075252405602261683478333331220733,
|
||||||
|
18230936781133176044598070768084230333433368654744509969087239465125979720995,
|
||||||
|
16901065971871379877929280081392692752968612240624985552337779093292740763381,
|
||||||
|
146494141603558321291767829522948454429758543710648402457451799015963102253,
|
||||||
|
2492729278659146790410698334997955258248120870028541691998279257260289595548,
|
||||||
|
2204224910006646535594933495262085193210692406133533679934843341237521233504,
|
||||||
|
16062117410185840274616925297332331018523844434907012275592638570193234893570,
|
||||||
|
5894928453677122829055071981254202951712129328678534592916926069506935491729,
|
||||||
|
4947482739415078212217504789923078546034438919537985740403824517728200332286,
|
||||||
|
16143265650645676880461646123844627780378251900510645261875867423498913438066,
|
||||||
|
397690828254561723549349897112473766901585444153303054845160673059519614409,
|
||||||
|
11272653598912269895509621181205395118899451234151664604248382803490621227687,
|
||||||
|
15566927854306879444693061574322104423426072650522411176731130806720753591030,
|
||||||
|
14222898219492484180162096141564251903058269177856173968147960855133048449557,
|
||||||
|
16690275395485630428127725067513114066329712673106153451801968992299636791385,
|
||||||
|
3667030990325966886479548860429670833692690972701471494757671819017808678584,
|
||||||
|
21280039024501430842616328642522421302481259067470872421086939673482530783142,
|
||||||
|
15895485136902450169492923978042129726601461603404514670348703312850236146328,
|
||||||
|
7733050956302327984762132317027414325566202380840692458138724610131603812560,
|
||||||
|
438123800976401478772659663183448617575635636575786782566035096946820525816,
|
||||||
|
814913922521637742587885320797606426167962526342166512693085292151314976633,
|
||||||
|
12368712287081330853637674140264759478736012797026621876924395982504369598764,
|
||||||
|
2494806857395134874309386694756263421445039103814920780777601708371037591569,
|
||||||
|
16101132301514338989512946061786320637179843435886825102406248183507106312877,
|
||||||
|
6252650284989960032925831409804233477770646333900692286731621844532438095656,
|
||||||
|
9277135875276787021836189566799935097400042171346561246305113339462708861695,
|
||||||
|
10493603554686607050979497281838644324893776154179810893893660722522945589063,
|
||||||
|
8673089750662709235894359384294076697329948991010184356091130382437645649279,
|
||||||
|
9558393272910366944245875920138649617479779893610128634419086981339060613250,
|
||||||
|
19012287860122586147374214541764572282814469237161122489573881644994964647218,
|
||||||
|
9783723818270121678386992630754842961728702994964214799008457449989291229500,
|
||||||
|
15550788416669474113213749561488122552422887538676036667630838378023479382689,
|
||||||
|
15016165746156232864069722572047169071786333815661109750860165034341572904221,
|
||||||
|
6506225705710197163670556961299945987488979904603689017479840649664564978574,
|
||||||
|
10796631184889302076168355684722130903785890709107732067446714470783437829037,
|
||||||
|
19871836214837460419845806980869387567383718044439891735114283113359312279540,
|
||||||
|
20871081766843466343749609089986071784031203517506781251203251608363835140622,
|
||||||
|
5100105771517691442278432864090229416166996183792075307747582375962855820797,
|
||||||
|
8777887112076272395250620301071581171386440850451972412060638225741125310886,
|
||||||
|
5300440870136391278944213332144327695659161151625757537632832724102670898756,
|
||||||
|
1205448543652932944633962232545707633928124666868453915721030884663332604536,
|
||||||
|
5542499997310181530432302492142574333860449305424174466698068685590909336771,
|
||||||
|
11028094245762332275225364962905938096659249161369092798505554939952525894293,
|
||||||
|
19187314764836593118404597958543112407224947638377479622725713735224279297009,
|
||||||
|
17047263688548829001253658727764731047114098556534482052135734487985276987385,
|
||||||
|
19914849528178967155534624144358541535306360577227460456855821557421213606310,
|
||||||
|
2929658084700714257515872921366736697080475676508114973627124569375444665664,
|
||||||
|
15092262360719700162343163278648422751610766427236295023221516498310468956361,
|
||||||
|
21578580340755653236050830649990190843552802306886938815497471545814130084980,
|
||||||
|
1258781501221760320019859066036073675029057285507345332959539295621677296991,
|
||||||
|
3819598418157732134449049289585680301176983019643974929528867686268702720163,
|
||||||
|
8653175945487997845203439345797943132543211416447757110963967501177317426221,
|
||||||
|
6614652990340435611114076169697104582524566019034036680161902142028967568142,
|
||||||
|
19212515502973904821995111796203064175854996071497099383090983975618035391558,
|
||||||
|
18664315914479294273286016871365663486061896605232511201418576829062292269769,
|
||||||
|
11498264615058604317482574216318586415670903094838791165247179252175768794889,
|
||||||
|
10814026414212439999107945133852431304483604215416531759535467355316227331774,
|
||||||
|
17566185590731088197064706533119299946752127014428399631467913813769853431107,
|
||||||
|
14016139747289624978792446847000951708158212463304817001882956166752906714332,
|
||||||
|
8242601581342441750402731523736202888792436665415852106196418942315563860366,
|
||||||
|
9244680976345080074252591214216060854998619670381671198295645618515047080988,
|
||||||
|
12216779172735125538689875667307129262237123728082657485828359100719208190116,
|
||||||
|
10702811721859145441471328511968332847175733707711670171718794132331147396634,
|
||||||
|
6479667912792222539919362076122453947926362746906450079329453150607427372979,
|
||||||
|
15117544653571553820496948522381772148324367479772362833334593000535648316185,
|
||||||
|
6842203153996907264167856337497139692895299874139131328642472698663046726780,
|
||||||
|
12732823292801537626009139514048596316076834307941224506504666470961250728055,
|
||||||
|
6936272626871035740815028148058841877090860312517423346335878088297448888663,
|
||||||
|
17297554111853491139852678417579991271009602631577069694853813331124433680030,
|
||||||
|
16641596134749940573104316021365063031319260205559553673368334842484345864859,
|
||||||
|
7400481189785154329569470986896455371037813715804007747228648863919991399081,
|
||||||
|
2273205422216987330510475127669563545720586464429614439716564154166712854048,
|
||||||
|
15162538063742142685306302282127534305212832649282186184583465569986719234456,
|
||||||
|
5628039096440332922248578319648483863204530861778160259559031331287721255522,
|
||||||
|
16085392195894691829567913404182676871326863890140775376809129785155092531260,
|
||||||
|
14227467863135365427954093998621993651369686288941275436795622973781503444257,
|
||||||
|
18224457394066545825553407391290108485121649197258948320896164404518684305122,
|
||||||
|
274945154732293792784580363548970818611304339008964723447672490026510689427,
|
||||||
|
11050822248291117548220126630860474473945266276626263036056336623671308219529,
|
||||||
|
2119542016932434047340813757208803962484943912710204325088879681995922344971,
|
||||||
|
0
|
||||||
|
];
|
||||||
|
|
||||||
|
var t;
|
||||||
|
signal t2[nrounds];
|
||||||
|
signal t4[nrounds];
|
||||||
|
signal xL[nrounds-1];
|
||||||
|
signal xR[nrounds-1];
|
||||||
|
|
||||||
|
for (var i=0; i<nrounds; i++) {
|
||||||
|
t = (i==0) ? k+xL_in : k + xL[i-1] + c[i];
|
||||||
|
t2[i] <== t*t;
|
||||||
|
t4[i] <== t2[i]*t2[i];
|
||||||
|
if (i<nrounds-1) {
|
||||||
|
xL[i] <== ((i==0) ? xR_in : xR[i-1]) + t4[i]*t;
|
||||||
|
xR[i] = (i==0) ? xL_in : xL[i-1];
|
||||||
|
} else {
|
||||||
|
xR_out <== xR[i-1] + t4[i]*t;
|
||||||
|
xL_out <== xL[i-1];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
1
index.js
1
index.js
@ -1,5 +1,6 @@
|
|||||||
exports.smt = require("./src/smt");
|
exports.smt = require("./src/smt");
|
||||||
exports.eddsa = require("./src/eddsa");
|
exports.eddsa = require("./src/eddsa");
|
||||||
exports.mimc7 = require("./src/mimc7");
|
exports.mimc7 = require("./src/mimc7");
|
||||||
|
exports.mimcsponge = require("./src/mimcsponge");
|
||||||
exports.babyJub = require("./src/babyjub");
|
exports.babyJub = require("./src/babyjub");
|
||||||
exports.pedersenHash = require("./src/pedersenHash");
|
exports.pedersenHash = require("./src/pedersenHash");
|
||||||
|
|||||||
4
package-lock.json
generated
4
package-lock.json
generated
@ -3909,7 +3909,7 @@
|
|||||||
},
|
},
|
||||||
"os-tmpdir": {
|
"os-tmpdir": {
|
||||||
"version": "1.0.2",
|
"version": "1.0.2",
|
||||||
"resolved": "http://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
|
"resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
|
||||||
"integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ="
|
"integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ="
|
||||||
},
|
},
|
||||||
"p-defer": {
|
"p-defer": {
|
||||||
@ -4785,7 +4785,7 @@
|
|||||||
},
|
},
|
||||||
"sprintf-js": {
|
"sprintf-js": {
|
||||||
"version": "1.0.3",
|
"version": "1.0.3",
|
||||||
"resolved": "http://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
|
"resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
|
||||||
"integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
|
"integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
|
||||||
},
|
},
|
||||||
"stack-trace": {
|
"stack-trace": {
|
||||||
|
|||||||
45
src/eddsa.js
45
src/eddsa.js
@ -4,14 +4,17 @@ const babyJub = require("./babyjub");
|
|||||||
const pedersenHash = require("./pedersenHash").hash;
|
const pedersenHash = require("./pedersenHash").hash;
|
||||||
const mimc7 = require("./mimc7");
|
const mimc7 = require("./mimc7");
|
||||||
const poseidon = require("./poseidon.js");
|
const poseidon = require("./poseidon.js");
|
||||||
|
const mimcsponge = require("./mimcsponge");
|
||||||
|
|
||||||
exports.prv2pub= prv2pub;
|
exports.prv2pub= prv2pub;
|
||||||
exports.sign = sign;
|
exports.sign = sign;
|
||||||
exports.signMiMC = signMiMC;
|
exports.signMiMC = signMiMC;
|
||||||
exports.signPoseidon = signPoseidon;
|
exports.signPoseidon = signPoseidon;
|
||||||
|
exports.signMiMCSponge = signMiMCSponge;
|
||||||
exports.verify = verify;
|
exports.verify = verify;
|
||||||
exports.verifyMiMC = verifyMiMC;
|
exports.verifyMiMC = verifyMiMC;
|
||||||
exports.verifyPoseidon = verifyPoseidon;
|
exports.verifyPoseidon = verifyPoseidon;
|
||||||
|
exports.verifyMiMCSponge = verifyMiMCSponge;
|
||||||
exports.packSignature = packSignature;
|
exports.packSignature = packSignature;
|
||||||
exports.unpackSignature = unpackSignature;
|
exports.unpackSignature = unpackSignature;
|
||||||
exports.pruneBuffer = pruneBuffer;
|
exports.pruneBuffer = pruneBuffer;
|
||||||
@ -72,6 +75,24 @@ function signMiMC(prv, msg) {
|
|||||||
};
|
};
|
||||||
}
|
}
|
||||||
|
|
||||||
|
function signMiMCSponge(prv, msg) {
|
||||||
|
const h1 = createBlakeHash("blake512").update(prv).digest();
|
||||||
|
const sBuff = pruneBuffer(h1.slice(0,32));
|
||||||
|
const s = bigInt.leBuff2int(sBuff);
|
||||||
|
const A = babyJub.mulPointEscalar(babyJub.Base8, s.shr(3));
|
||||||
|
|
||||||
|
const msgBuff = bigInt.leInt2Buff(msg, 32);
|
||||||
|
const rBuff = createBlakeHash("blake512").update(Buffer.concat([h1.slice(32,64), msgBuff])).digest();
|
||||||
|
let r = bigInt.leBuff2int(rBuff);
|
||||||
|
r = r.mod(babyJub.subOrder);
|
||||||
|
const R8 = babyJub.mulPointEscalar(babyJub.Base8, r);
|
||||||
|
const hm = mimcsponge.multiHash([R8[0], R8[1], A[0], A[1], msg]);
|
||||||
|
const S = r.add(hm.mul(s)).mod(babyJub.subOrder);
|
||||||
|
return {
|
||||||
|
R8: R8,
|
||||||
|
S: S
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
function signPoseidon(prv, msg) {
|
function signPoseidon(prv, msg) {
|
||||||
const h1 = createBlakeHash("blake512").update(prv).digest();
|
const h1 = createBlakeHash("blake512").update(prv).digest();
|
||||||
@ -84,9 +105,7 @@ function signPoseidon(prv, msg) {
|
|||||||
let r = bigInt.leBuff2int(rBuff);
|
let r = bigInt.leBuff2int(rBuff);
|
||||||
r = r.mod(babyJub.subOrder);
|
r = r.mod(babyJub.subOrder);
|
||||||
const R8 = babyJub.mulPointEscalar(babyJub.Base8, r);
|
const R8 = babyJub.mulPointEscalar(babyJub.Base8, r);
|
||||||
|
|
||||||
const hash = poseidon.createHash(6, 8, 57);
|
const hash = poseidon.createHash(6, 8, 57);
|
||||||
|
|
||||||
const hm = hash([R8[0], R8[1], A[0], A[1], msg]);
|
const hm = hash([R8[0], R8[1], A[0], A[1], msg]);
|
||||||
const S = r.add(hm.mul(s)).mod(babyJub.subOrder);
|
const S = r.add(hm.mul(s)).mod(babyJub.subOrder);
|
||||||
return {
|
return {
|
||||||
@ -166,6 +185,28 @@ function verifyPoseidon(msg, sig, A) {
|
|||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
function verifyMiMCSponge(msg, sig, A) {
|
||||||
|
// Check parameters
|
||||||
|
if (typeof sig != "object") return false;
|
||||||
|
if (!Array.isArray(sig.R8)) return false;
|
||||||
|
if (sig.R8.length!= 2) return false;
|
||||||
|
if (!babyJub.inCurve(sig.R8)) return false;
|
||||||
|
if (!Array.isArray(A)) return false;
|
||||||
|
if (A.length!= 2) return false;
|
||||||
|
if (!babyJub.inCurve(A)) return false;
|
||||||
|
if (sig.S>= babyJub.subOrder) return false;
|
||||||
|
|
||||||
|
const hm = mimcsponge.multiHash([sig.R8[0], sig.R8[1], A[0], A[1], msg]);
|
||||||
|
|
||||||
|
const Pleft = babyJub.mulPointEscalar(babyJub.Base8, sig.S);
|
||||||
|
let Pright = babyJub.mulPointEscalar(A, hm.mul(bigInt("8")));
|
||||||
|
Pright = babyJub.addPoint(sig.R8, Pright);
|
||||||
|
|
||||||
|
if (!Pleft[0].equals(Pright[0])) return false;
|
||||||
|
if (!Pleft[1].equals(Pright[1])) return false;
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
function packSignature(sig) {
|
function packSignature(sig) {
|
||||||
const R8p = babyJub.packPoint(sig.R8);
|
const R8p = babyJub.packPoint(sig.R8);
|
||||||
const Sp = bigInt.leInt2Buff(sig.S, 32);
|
const Sp = bigInt.leInt2Buff(sig.S, 32);
|
||||||
|
|||||||
86
src/mimcsponge.js
Normal file
86
src/mimcsponge.js
Normal file
@ -0,0 +1,86 @@
|
|||||||
|
const bn128 = require("snarkjs").bn128;
|
||||||
|
const bigInt = require("snarkjs").bigInt;
|
||||||
|
const Web3Utils = require("web3-utils");
|
||||||
|
const F = bn128.Fr;
|
||||||
|
|
||||||
|
const SEED = "mimcsponge";
|
||||||
|
const NROUNDS = 220;
|
||||||
|
|
||||||
|
exports.getIV = (seed) => {
|
||||||
|
if (typeof seed === "undefined") seed = SEED;
|
||||||
|
const c = Web3Utils.keccak256(seed+"_iv");
|
||||||
|
const cn = bigInt(Web3Utils.toBN(c).toString());
|
||||||
|
const iv = cn.mod(F.q);
|
||||||
|
return iv;
|
||||||
|
};
|
||||||
|
|
||||||
|
exports.getConstants = (seed, nRounds) => {
|
||||||
|
if (typeof seed === "undefined") seed = SEED;
|
||||||
|
if (typeof nRounds === "undefined") nRounds = NROUNDS;
|
||||||
|
const cts = new Array(nRounds);
|
||||||
|
let c = Web3Utils.keccak256(SEED);
|
||||||
|
for (let i=1; i<nRounds; i++) {
|
||||||
|
c = Web3Utils.keccak256(c);
|
||||||
|
|
||||||
|
const n1 = Web3Utils.toBN(c).mod(Web3Utils.toBN(F.q.toString()));
|
||||||
|
const c2 = Web3Utils.padLeft(Web3Utils.toHex(n1), 64);
|
||||||
|
cts[i] = bigInt(Web3Utils.toBN(c2).toString());
|
||||||
|
}
|
||||||
|
cts[0] = bigInt(0);
|
||||||
|
cts[cts.length - 1] = bigInt(0);
|
||||||
|
return cts;
|
||||||
|
};
|
||||||
|
|
||||||
|
const cts = exports.getConstants(SEED, NROUNDS);
|
||||||
|
|
||||||
|
exports.hash = (_xL_in, _xR_in, _k) =>{
|
||||||
|
let xL = bigInt(_xL_in);
|
||||||
|
let xR = bigInt(_xR_in);
|
||||||
|
const k = bigInt(_k);
|
||||||
|
for (let i=0; i<NROUNDS; i++) {
|
||||||
|
const c = cts[i];
|
||||||
|
const t = (i==0) ? F.add(xL, k) : F.add(F.add(xL, k), c);
|
||||||
|
const xR_tmp = bigInt(xR);
|
||||||
|
if (i < (NROUNDS - 1)) {
|
||||||
|
xR = xL;
|
||||||
|
xL = F.add(xR_tmp, F.exp(t, 5));
|
||||||
|
} else {
|
||||||
|
xR = F.add(xR_tmp, F.exp(t, 5));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return {
|
||||||
|
xL: F.affine(xL),
|
||||||
|
xR: F.affine(xR),
|
||||||
|
};
|
||||||
|
};
|
||||||
|
|
||||||
|
exports.multiHash = (arr, key, numOutputs) => {
|
||||||
|
if (typeof(numOutputs) === "undefined") {
|
||||||
|
numOutputs = 1;
|
||||||
|
}
|
||||||
|
if (typeof(key) === "undefined") {
|
||||||
|
key = F.zero;
|
||||||
|
}
|
||||||
|
|
||||||
|
let R = F.zero;
|
||||||
|
let C = F.zero;
|
||||||
|
|
||||||
|
for (let i=0; i<arr.length; i++) {
|
||||||
|
R = F.add(R, bigInt(arr[i]));
|
||||||
|
const S = exports.hash(R, C, key);
|
||||||
|
R = S.xL;
|
||||||
|
C = S.xR;
|
||||||
|
}
|
||||||
|
let outputs = [R];
|
||||||
|
for (let i=1; i < numOutputs; i++) {
|
||||||
|
const S = exports.hash(R, C, key);
|
||||||
|
R = S.xL;
|
||||||
|
C = S.xR;
|
||||||
|
outputs.push(R);
|
||||||
|
}
|
||||||
|
if (numOutputs == 1) {
|
||||||
|
return F.affine(outputs[0]);
|
||||||
|
} else {
|
||||||
|
return outputs.map(x => F.affine(x));
|
||||||
|
}
|
||||||
|
};
|
||||||
128
src/mimcsponge_gencontract.js
Normal file
128
src/mimcsponge_gencontract.js
Normal file
@ -0,0 +1,128 @@
|
|||||||
|
// Copyright (c) 2018 Jordi Baylina
|
||||||
|
// License: LGPL-3.0+
|
||||||
|
//
|
||||||
|
|
||||||
|
const Web3Utils = require("web3-utils");
|
||||||
|
|
||||||
|
const Contract = require("./evmasm");
|
||||||
|
|
||||||
|
function createCode(seed, n) {
|
||||||
|
|
||||||
|
let ci = Web3Utils.keccak256(seed);
|
||||||
|
|
||||||
|
const C = new Contract();
|
||||||
|
|
||||||
|
C.push(0x64);
|
||||||
|
C.push("0x00");
|
||||||
|
C.push("0x00");
|
||||||
|
C.calldatacopy();
|
||||||
|
C.push("0x0100000000000000000000000000000000000000000000000000000000");
|
||||||
|
C.push("0x00");
|
||||||
|
C.mload();
|
||||||
|
C.div();
|
||||||
|
C.push("0x3f1a1187"); // MiMCSponge(uint256,uint256,uint256)
|
||||||
|
C.eq();
|
||||||
|
C.jmpi("start");
|
||||||
|
C.invalid();
|
||||||
|
|
||||||
|
C.label("start");
|
||||||
|
C.push("0x30644e72e131a029b85045b68181585d2833e84879b9709143e1f593f0000001"); // q
|
||||||
|
C.push("0x44");
|
||||||
|
C.mload(); // k q
|
||||||
|
C.push("0x04");
|
||||||
|
C.mload(); // xL k q
|
||||||
|
C.dup(2); // q xL k q
|
||||||
|
C.push("0x24");
|
||||||
|
C.mload(); // xR q xL k q
|
||||||
|
C.dup(1); // q xR q xL k q
|
||||||
|
C.dup(0); // q q xR q xL k q
|
||||||
|
C.dup(4); // xL q q xR q xL k q
|
||||||
|
C.dup(6); // k xL q q xR q xL k q
|
||||||
|
C.addmod(); // t=k+xL q xR q xL k q
|
||||||
|
C.dup(1); // q t q xR q xL k q
|
||||||
|
C.dup(0); // q q t q xR q xL k q
|
||||||
|
C.dup(2); // t q q t q xR q xL k q
|
||||||
|
C.dup(0); // t t q q t q xR q xL k q
|
||||||
|
C.mulmod(); // b=t^2 q t q xR q xL k q
|
||||||
|
C.dup(0); // b b q t q xR q xL k q
|
||||||
|
C.mulmod(); // c=t^4 t q xR q xL k q
|
||||||
|
C.mulmod(); // d=t^5 xR q xL k q
|
||||||
|
C.addmod(); // e=t^5+xR xL k q (for next round: xL xR k q)
|
||||||
|
|
||||||
|
for (let i=0; i<n-1; i++) {
|
||||||
|
if (i < n-2) {
|
||||||
|
ci = Web3Utils.keccak256(ci);
|
||||||
|
} else {
|
||||||
|
ci = "0x00";
|
||||||
|
}
|
||||||
|
C.swap(1); // xR xL k q
|
||||||
|
C.dup(3); // q xR xL k q
|
||||||
|
C.dup(3); // k q xR xL k q
|
||||||
|
C.dup(1); // q k q xR xL k q
|
||||||
|
C.dup(4); // xL q k q xR xL k q
|
||||||
|
C.push(ci); // ci xL q k q xR xL k q
|
||||||
|
C.addmod(); // a=ci+xL k q xR xL k q
|
||||||
|
C.addmod(); // t=a+k xR xL k q
|
||||||
|
C.dup(4); // q t xR xL k q
|
||||||
|
C.swap(1); // t q xR xL k q
|
||||||
|
C.dup(1); // q t q xR xL k q
|
||||||
|
C.dup(0); // q q t q xR xL k q
|
||||||
|
C.dup(2); // t q q t q xR xL k q
|
||||||
|
C.dup(0); // t t q q t q xR xL k q
|
||||||
|
C.mulmod(); // b=t^2 q t q xR xL k q
|
||||||
|
C.dup(0); // b b q t q xR xL k q
|
||||||
|
C.mulmod(); // c=t^4 t q xR xL k q
|
||||||
|
C.mulmod(); // d=t^5 xR xL k q
|
||||||
|
C.dup(4); // q d xR xL k q
|
||||||
|
C.swap(2); // xR d q xL k q
|
||||||
|
C.addmod(); // e=t^5+xR xL k q (for next round: xL xR k q)
|
||||||
|
}
|
||||||
|
|
||||||
|
C.push("0x20");
|
||||||
|
C.mstore(); // Save it to pos 0;
|
||||||
|
C.push("0x00");
|
||||||
|
C.mstore(); // Save it to pos 1;
|
||||||
|
C.push("0x40");
|
||||||
|
C.push("0x00");
|
||||||
|
C.return();
|
||||||
|
|
||||||
|
return C.createTxData();
|
||||||
|
}
|
||||||
|
|
||||||
|
module.exports.abi = [
|
||||||
|
{
|
||||||
|
"constant": true,
|
||||||
|
"inputs": [
|
||||||
|
{
|
||||||
|
"name": "xL_in",
|
||||||
|
"type": "uint256"
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"name": "xR_in",
|
||||||
|
"type": "uint256"
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"name": "k",
|
||||||
|
"type": "uint256"
|
||||||
|
}
|
||||||
|
],
|
||||||
|
"name": "MiMCSponge",
|
||||||
|
"outputs": [
|
||||||
|
{
|
||||||
|
"name": "xL",
|
||||||
|
"type": "uint256"
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"name": "xR",
|
||||||
|
"type": "uint256"
|
||||||
|
}
|
||||||
|
],
|
||||||
|
"payable": false,
|
||||||
|
"stateMutability": "pure",
|
||||||
|
"type": "function"
|
||||||
|
}
|
||||||
|
];
|
||||||
|
|
||||||
|
module.exports.createCode = createCode;
|
||||||
|
|
||||||
|
|
||||||
13
src/mimcsponge_printconstants.js
Normal file
13
src/mimcsponge_printconstants.js
Normal file
@ -0,0 +1,13 @@
|
|||||||
|
const mimcsponge = require("./mimcsponge.js");
|
||||||
|
|
||||||
|
const nRounds = 220;
|
||||||
|
let S = "[\n";
|
||||||
|
const cts = mimcsponge.getConstants();
|
||||||
|
for (let i=0; i<nRounds; i++) {
|
||||||
|
S = S + cts[i].toString();
|
||||||
|
if (i<nRounds-1) S = S + ",";
|
||||||
|
S=S+"\n";
|
||||||
|
}
|
||||||
|
S = S + "]\n";
|
||||||
|
|
||||||
|
console.log(S);
|
||||||
13
src/mimcsponge_printcontract.js
Normal file
13
src/mimcsponge_printcontract.js
Normal file
@ -0,0 +1,13 @@
|
|||||||
|
const mimcGenContract = require("./mimcsponge_gencontract");
|
||||||
|
|
||||||
|
const SEED = "mimcsponge";
|
||||||
|
|
||||||
|
let nRounds;
|
||||||
|
if (typeof process.argv[2] != "undefined") {
|
||||||
|
nRounds = parseInt(process.argv[2]);
|
||||||
|
} else {
|
||||||
|
nRounds = 220;
|
||||||
|
}
|
||||||
|
|
||||||
|
console.log(mimcGenContract.createCode(SEED, nRounds));
|
||||||
|
|
||||||
3
test/circuits/mimc_sponge_hash_test.circom
Normal file
3
test/circuits/mimc_sponge_hash_test.circom
Normal file
@ -0,0 +1,3 @@
|
|||||||
|
include "../../circuits/mimcsponge.circom"
|
||||||
|
|
||||||
|
component main = MiMCSponge(2, 220, 3);
|
||||||
3
test/circuits/mimc_sponge_test.circom
Normal file
3
test/circuits/mimc_sponge_test.circom
Normal file
@ -0,0 +1,3 @@
|
|||||||
|
include "../../circuits/mimcsponge.circom"
|
||||||
|
|
||||||
|
component main = MiMCFeistel(220);
|
||||||
58
test/mimcspongecircuit.js
Normal file
58
test/mimcspongecircuit.js
Normal file
@ -0,0 +1,58 @@
|
|||||||
|
const chai = require("chai");
|
||||||
|
const path = require("path");
|
||||||
|
const snarkjs = require("snarkjs");
|
||||||
|
const compiler = require("circom");
|
||||||
|
|
||||||
|
const mimcjs = require("../src/mimcsponge.js");
|
||||||
|
|
||||||
|
const assert = chai.assert;
|
||||||
|
|
||||||
|
describe("MiMC Sponge Circuit test", function () {
|
||||||
|
let circuit;
|
||||||
|
|
||||||
|
this.timeout(100000);
|
||||||
|
|
||||||
|
it("Should check permutation", async () => {
|
||||||
|
const cirDef = await compiler(path.join(__dirname, "circuits", "mimc_sponge_test.circom"));
|
||||||
|
|
||||||
|
circuit = new snarkjs.Circuit(cirDef);
|
||||||
|
|
||||||
|
console.log("MiMC Feistel constraints: " + circuit.nConstraints);
|
||||||
|
|
||||||
|
const w = circuit.calculateWitness({xL_in: 1, xR_in: 2, k: 3});
|
||||||
|
|
||||||
|
const xLout = w[circuit.getSignalIdx("main.xL_out")];
|
||||||
|
const xRout = w[circuit.getSignalIdx("main.xR_out")];
|
||||||
|
|
||||||
|
const out2 = mimcjs.hash(1,2,3);
|
||||||
|
|
||||||
|
assert.equal(xLout.toString(), out2.xL.toString());
|
||||||
|
assert.equal(xRout.toString(), out2.xR.toString());
|
||||||
|
|
||||||
|
assert(circuit.checkWitness(w));
|
||||||
|
|
||||||
|
});
|
||||||
|
|
||||||
|
it("Should check hash", async () => {
|
||||||
|
const cirDef = await compiler(path.join(__dirname, "circuits", "mimc_sponge_hash_test.circom"));
|
||||||
|
|
||||||
|
circuit = new snarkjs.Circuit(cirDef);
|
||||||
|
|
||||||
|
console.log("MiMC Sponge constraints: " + circuit.nConstraints);
|
||||||
|
|
||||||
|
const w = circuit.calculateWitness({ins: [1, 2], k: 0});
|
||||||
|
|
||||||
|
const o1 = w[circuit.getSignalIdx("main.outs[0]")];
|
||||||
|
const o2 = w[circuit.getSignalIdx("main.outs[1]")];
|
||||||
|
const o3 = w[circuit.getSignalIdx("main.outs[2]")];
|
||||||
|
|
||||||
|
const out2 = mimcjs.multiHash([1,2], 0, 3);
|
||||||
|
|
||||||
|
assert.equal(o1.toString(), out2[0].toString());
|
||||||
|
assert.equal(o2.toString(), out2[1].toString());
|
||||||
|
assert.equal(o3.toString(), out2[2].toString());
|
||||||
|
|
||||||
|
assert(circuit.checkWitness(w));
|
||||||
|
|
||||||
|
});
|
||||||
|
});
|
||||||
43
test/mimcspongecontract.js
Normal file
43
test/mimcspongecontract.js
Normal file
@ -0,0 +1,43 @@
|
|||||||
|
const ganache = require("ganache-cli");
|
||||||
|
const Web3 = require("web3");
|
||||||
|
const chai = require("chai");
|
||||||
|
const mimcGenContract = require("../src/mimcsponge_gencontract.js");
|
||||||
|
const mimcjs = require("../src/mimcsponge.js");
|
||||||
|
|
||||||
|
|
||||||
|
const assert = chai.assert;
|
||||||
|
const log = (msg) => { if (process.env.MOCHA_VERBOSE) console.log(msg); };
|
||||||
|
|
||||||
|
const SEED = "mimcsponge";
|
||||||
|
|
||||||
|
describe("MiMC Sponge Smart contract test", () => {
|
||||||
|
let testrpc;
|
||||||
|
let web3;
|
||||||
|
let mimc;
|
||||||
|
let accounts;
|
||||||
|
|
||||||
|
before(async () => {
|
||||||
|
web3 = new Web3(ganache.provider(), null, { transactionConfirmationBlocks: 1 });
|
||||||
|
accounts = await web3.eth.getAccounts();
|
||||||
|
});
|
||||||
|
|
||||||
|
it("Should deploy the contract", async () => {
|
||||||
|
const C = new web3.eth.Contract(mimcGenContract.abi);
|
||||||
|
|
||||||
|
mimc = await C.deploy({
|
||||||
|
data: mimcGenContract.createCode(SEED, 220)
|
||||||
|
}).send({
|
||||||
|
gas: 3500000,
|
||||||
|
from: accounts[0]
|
||||||
|
});
|
||||||
|
});
|
||||||
|
|
||||||
|
it("Shold calculate the mimc correctly", async () => {
|
||||||
|
const res = await mimc.methods.MiMCSponge(1,2,3).call();
|
||||||
|
const res2 = await mimcjs.hash(1,2,3);
|
||||||
|
|
||||||
|
assert.equal(res.xL.toString(), res2.xL.toString());
|
||||||
|
assert.equal(res.xR.toString(), res2.xR.toString());
|
||||||
|
});
|
||||||
|
});
|
||||||
|
|
||||||
Loading…
Reference in New Issue
Block a user