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nist tests: add endomorphism test

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This commit is contained in:
Paul Miller 2023-04-14 17:53:20 +00:00
parent 972e549dde
commit 848a1b0226
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GPG Key ID: 697079DA6878B89B
2 changed files with 38 additions and 1 deletions
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13
test/nist.test.js
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@ -10,6 +10,7 @@ import { hexToBytes, bytesToHex } from '../esm/abstract/utils.js';
import { default as ecdsa } from './wycheproof/ecdsa_test.json' assert { type: 'json' }; import { default as ecdsa } from './wycheproof/ecdsa_test.json' assert { type: 'json' };
import { default as ecdh } from './wycheproof/ecdh_test.json' assert { type: 'json' }; import { default as ecdh } from './wycheproof/ecdh_test.json' assert { type: 'json' };
import { default as rfc6979 } from './vectors/rfc6979.json' assert { type: 'json' }; import { default as rfc6979 } from './vectors/rfc6979.json' assert { type: 'json' };
import { default as endoVectors } from './vectors/secp256k1/endomorphism.json' assert { type: 'json' };
import { default as ecdh_secp224r1_test } from './wycheproof/ecdh_secp224r1_test.json' assert { type: 'json' }; import { default as ecdh_secp224r1_test } from './wycheproof/ecdh_secp224r1_test.json' assert { type: 'json' };
import { default as ecdh_secp256r1_test } from './wycheproof/ecdh_secp256r1_test.json' assert { type: 'json' }; import { default as ecdh_secp256r1_test } from './wycheproof/ecdh_secp256r1_test.json' assert { type: 'json' };
@ -438,7 +439,7 @@ describe('RFC6979', () => {
} }
}); });
should('DER Leading zero', () => { should('properly add leading zero to DER', () => {
// Valid DER // Valid DER
deepStrictEqual( deepStrictEqual(
DER.toSig( DER.toSig(
@ -465,6 +466,16 @@ should('DER Leading zero', () => {
); );
}); });
should('have proper GLV endomorphism logic in secp256k1', () => {
const Point = secp256k1.ProjectivePoint;
for (let item of endoVectors) {
const point = Point.fromAffine({ x: BigInt(item.ax), y: BigInt(item.ay) });
const c = point.multiplyUnsafe(BigInt(item.scalar)).toAffine();
deepStrictEqual(c.x, BigInt(item.cx));
deepStrictEqual(c.y, BigInt(item.cy));
}
});
// ESM is broken. // ESM is broken.
import url from 'url'; import url from 'url';
if (import.meta.url === url.pathToFileURL(process.argv[1]).href) { if (import.meta.url === url.pathToFileURL(process.argv[1]).href) {

26
test/vectors/secp256k1/endomorphism.json Normal file
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@ -0,0 +1,26 @@
[
{
"desc": "k1neg=true, k2neg=false",
"ax": "55066263022277343669578718895168534326250603453777594175500187360389116729240",
"ay": "32670510020758816978083085130507043184471273380659243275938904335757337482424",
"scalar": "2704427838213584814824020837927043695889",
"cx": "70912011419250646761259860556624974262679413898110209707622032756145750038852",
"cy": "46481114889376149700487001434152190585794282401306514438088690968308506923285"
},
{
"desc": "k1neg=false, k2neg=true",
"ax": "55066263022277343669578718895168534326250603453777594175500187360389116729240",
"ay": "32670510020758816978083085130507043184471273380659243275938904335757337482424",
"scalar": "367917413016453100223835821029139468248",
"cx": "10322688129782350538653828383726187034025074756440739323015371090593152139135",
"cy": "68793242610611269092604721689053086352541804982835045879816374698216278704126"
},
{
"desc": "k1neg=true, k2neg=true",
"ax": "55066263022277343669578718895168534326250603453777594175500187360389116729240",
"ay": "32670510020758816978083085130507043184471273380659243275938904335757337482424",
"scalar": "3808180077262944115495528301014462100633",
"cx": "14215418389480067884450074673878587420586762919133643262861030012154939932102",
"cy": "29847359538023735520768762420255189621104408153695873716448888266404867737302"
}
]