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index.ts
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index.ts
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import * as fc from 'fast-check';
import * as ed from '../';
import { readFileSync } from 'fs';
import { join } from 'path';
import * as zip215 from './zip215.json';
import { sha512 } from '@noble/hashes/sha512';
const { bytesToHex, hexToBytes } = ed.utils;
const hex = bytesToHex;
function to64Bytes(numOrStr: string | bigint | number): Uint8Array {
let hex = typeof numOrStr === 'string' ? numOrStr : numOrStr.toString(16);
return hexToBytes(hex.padStart(64, '0'));
}
describe('ed25519', () => {
// beforeAll(() => {
// ed.utils.precompute(8);
// });
it('should not accept >32byte private keys', async () => {
const invalidPriv =
100000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000800073278156000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000n;
// @ts-ignore
expect(() => ed.getPublicKeyAsync(invalidPriv)).rejects.toThrowError();
});
it('should verify recent signature', async () => {
await fc.assert(
fc.asyncProperty(
fc.hexaString({ minLength: 2, maxLength: 32 }),
fc.bigInt(2n, ed.CURVE.n),
async (message: string, privateKey: bigint) => {
const publicKey = await ed.getPublicKeyAsync(to64Bytes(privateKey));
const signature = await ed.signAsync(to64Bytes(message), to64Bytes(privateKey));
expect(publicKey.length).toBe(32);
expect(signature.length).toBe(64);
expect(await ed.verifyAsync(signature, to64Bytes(message), publicKey)).toBe(true);
}
),
{ numRuns: 5 }
);
});
it('should not verify signature with wrong message', async () => {
await fc.assert(
fc.asyncProperty(
fc.array(fc.integer({ min: 0x00, max: 0xff })),
fc.array(fc.integer({ min: 0x00, max: 0xff })),
fc.bigInt(1n, ed.CURVE.n),
async (bytes, wrongBytes, privateKey) => {
ed.utils.hexToBytes(privateKey.toString(16).padStart(64, '0'))
const message = new Uint8Array(bytes);
const wrongMessage = new Uint8Array(wrongBytes);
const publicKey = await ed.getPublicKeyAsync(privateKey.toString(16).padStart(64, '0'));
const signature = await ed.signAsync(message, to64Bytes(privateKey));
expect(await ed.verifyAsync(signature, wrongMessage, publicKey)).toBe(
bytes.toString() === wrongBytes.toString()
);
}
),
{ numRuns: 5 }
);
});
const privKey = to64Bytes('a665a45920422f9d417e4867ef');
const msg = hexToBytes('874f9960c5d2b7a9b5fad383e1ba44719ebb743a');
const wrongMsg = hexToBytes('589d8c7f1da0a24bc07b7381ad48b1cfc211af1c');
describe('basic methods', () => {
it('should sign and verify', async () => {
const publicKey = await ed.getPublicKeyAsync(privKey);
const signature = await ed.signAsync(msg, privKey);
expect(await ed.verifyAsync(signature, msg, publicKey)).toBe(true);
});
it('should not verify signature with wrong public key', async () => {
const publicKey = await ed.getPublicKeyAsync(ed.utils.randomPrivateKey());
const signature = await ed.signAsync(msg, privKey);
expect(await ed.verifyAsync(signature, msg, publicKey)).toBe(false);
});
it('should not verify signature with wrong hash', async () => {
const publicKey = await ed.getPublicKeyAsync(privKey);
const signature = await ed.signAsync(msg, privKey);
expect(await ed.verifyAsync(signature, wrongMsg, publicKey)).toBe(false);
});
});
describe('sync methods', () => {
it('should throw when sha512 is not set', () => {
expect(() => ed.getPublicKey(privKey)).toThrowError();
expect(() => ed.sign(msg, privKey)).toThrowError();
});
it('should sign and verify', () => {
ed.utils.sha512Sync = (...m) => sha512(ed.utils.concatBytes(...m));
const publicKey = ed.getPublicKey(privKey);
const signature = ed.sign(msg, privKey);
expect(ed.verify(signature, msg, publicKey)).toBe(true);
});
it('should not verify signature with wrong public key', () => {
const publicKey = ed.getPublicKey(ed.utils.randomPrivateKey());
const signature = ed.sign(msg, privKey);
expect(ed.verify(signature, msg, publicKey)).toBe(false);
});
it('should not verify signature with wrong hash', () => {
const publicKey = ed.getPublicKey(privKey);
const signature = ed.sign(msg, privKey);
expect(ed.verify(signature, wrongMsg, publicKey)).toBe(false);
});
});
describe('BASE_POINT.multiply()', () => {
const G = ed.ExtendedPoint.BASE;
// https://xmr.llcoins.net/addresstests.html
it('should create right publicKey without SHA-512 hashing TEST 1', () => {
const publicKey =
G.multiply(0x90af56259a4b6bfbc4337980d5d75fbe3c074630368ff3804d33028e5dbfa77n);
expect(publicKey.toHex()).toBe(
'0f3b913371411b27e646b537e888f685bf929ea7aab93c950ed84433f064480d'
);
});
it('should create right publicKey without SHA-512 hashing TEST 2', () => {
const publicKey =
G.multiply(0x364e8711a60780382a5d57b061c126f039940f28a9e91fe039d4d3094d8b88n);
expect(publicKey.toHex()).toBe(
'ad545340b58610f0cd62f17d55af1ab11ecde9c084d5476865ddb4dbda015349'
);
});
it('should create right publicKey without SHA-512 hashing TEST 3', () => {
const publicKey =
G.multiply(0xb9bf90ff3abec042752cac3a07a62f0c16cfb9d32a3fc2305d676ec2d86e941n);
expect(publicKey.toHex()).toBe(
'e097c4415fe85724d522b2e449e8fd78dd40d20097bdc9ae36fe8ec6fe12cb8c'
);
});
it('should create right publicKey without SHA-512 hashing TEST 4', () => {
const publicKey =
G.multiply(0x69d896f02d79524c9878e080308180e2859d07f9f54454e0800e8db0847a46en);
expect(publicKey.toHex()).toBe(
'f12cb7c43b59971395926f278ce7c2eaded9444fbce62ca717564cb508a0db1d'
);
});
it('should throw Point#multiply on TEST 5', () => {
for (const num of [0n, 0, -1n, -1, 1.1]) {
// @ts-ignore
expect(() => ed.ExtendedPoint.BASE.multiply(num)).toThrowError();
}
});
});
// describe('getSharedSecret()', () => {
// it('should convert base point to montgomery using toX25519()', () => {
// expect(hex(ed.Point.BASE.toX25519())).toBe(ed.curve25519.BASE_POINT_U);
// });
// it('should be commutative', async () => {
// for (let i = 0; i < 512; i++) {
// const asec = ed.utils.randomPrivateKey();
// const apub = await ed.getPublicKeyAsync(asec);
// const bsec = ed.utils.randomPrivateKey();
// const bpub = await ed.getPublicKeyAsync(bsec);
// try {
// expect(ed.getSharedSecret(asec, bpub)).toEqual(ed.getSharedSecret(bsec, apub));
// } catch (error) {
// console.error('not commutative', { asec, apub, bsec, bpub });
// throw error;
// }
// }
// });
// });
});
// https://ed25519.cr.yp.to/python/sign.py
// https://ed25519.cr.yp.to/python/sign.input
describe('ed25519 official vectors', () => {
const data = readFileSync(join(__dirname, 'vectors.txt'), 'utf-8');
const vectors = data
.trim()
.split('\n')
.map((line) => line.split(':'));
it('should match 1024 official vectors', async () => {
for (let i = 0; i < vectors.length; i++) {
const vector = vectors[i];
// Extract.
const priv = vector[0].slice(0, 64);
const expectedPub = vector[1];
const msg = vector[2];
const expectedSignature = vector[3].slice(0, 128);
// Calculate
const pub = await ed.getPublicKeyAsync(to64Bytes(priv));
expect(hex(pub)).toEqual(expectedPub);
expect(pub).toEqual(ed.ExtendedPoint.fromHex(pub).toRawBytes());
const signature = hex(await ed.signAsync(msg, priv));
// console.log('vector', i);
// expect(pub).toBe(expectedPub);
expect(signature).toBe(expectedSignature);
}
});
});
// https://tools.ietf.org/html/rfc8032#section-7
describe('rfc8032 vectors', () => {
it('should create right signature for 0x9d and empty string', async () => {
const privateKey = '9d61b19deffd5a60ba844af492ec2cc44449c5697b326919703bac031cae7f60';
const publicKey = await ed.getPublicKeyAsync(privateKey);
const message = '';
const signature = await ed.signAsync(message, privateKey);
expect(hex(publicKey)).toBe('d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a');
expect(hex(signature)).toBe(
'e5564300c360ac729086e2cc806e828a84877f1eb8e5d974d873e065224901555fb8821590a33bacc61e39701cf9b46bd25bf5f0595bbe24655141438e7a100b'
);
});
it('should create right signature for 0x4c and 72', async () => {
const privateKey = '4ccd089b28ff96da9db6c346ec114e0f5b8a319f35aba624da8cf6ed4fb8a6fb';
const publicKey = await ed.getPublicKeyAsync(privateKey);
const message = '72';
const signature = await ed.signAsync(message, privateKey);
expect(hex(publicKey)).toBe('3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c');
expect(hex(signature)).toBe(
'92a009a9f0d4cab8720e820b5f642540a2b27b5416503f8fb3762223ebdb69da085ac1e43e15996e458f3613d0f11d8c387b2eaeb4302aeeb00d291612bb0c00'
);
});
it('should create right signature for 0x00 and 5a', async () => {
const privateKey = '002fdd1f7641793ab064bb7aa848f762e7ec6e332ffc26eeacda141ae33b1783';
const publicKey = await ed.getPublicKeyAsync(privateKey);
const message =
'5ac1dfc324f43e6cb79a87ab0470fa857b51fb944982e19074ca44b1e40082c1d07b92efa7ea55ad42b7c027e0b9e33756d95a2c1796a7c2066811dc41858377d4b835c1688d638884cd2ad8970b74c1a54aadd27064163928a77988b24403aa85af82ceab6b728e554761af7175aeb99215b7421e4474c04d213e01ff03e3529b11077cdf28964b8c49c5649e3a46fa0a09dcd59dcad58b9b922a83210acd5e65065531400234f5e40cddcf9804968e3e9ac6f5c44af65001e158067fc3a660502d13fa8874fa93332138d9606bc41b4cee7edc39d753dae12a873941bb357f7e92a4498847d6605456cb8c0b425a47d7d3ca37e54e903a41e6450a35ebe5237c6f0c1bbbc1fd71fb7cd893d189850295c199b7d88af26bc8548975fda1099ffefee42a52f3428ddff35e0173d3339562507ac5d2c45bbd2c19cfe89b';
const signature = await ed.signAsync(message, privateKey);
expect(hex(publicKey)).toBe('77d1d8ebacd13f4e2f8a40e28c4a63bc9ce3bfb69716334bcb28a33eb134086c');
expect(hex(signature)).toBe(
'0df3aa0d0999ad3dc580378f52d152700d5b3b057f56a66f92112e441e1cb9123c66f18712c87efe22d2573777296241216904d7cdd7d5ea433928bd2872fa0c'
);
});
it('should create right signature for 0xf5 and long msg', async () => {
const privateKey = 'f5e5767cf153319517630f226876b86c8160cc583bc013744c6bf255f5cc0ee5';
const publicKey = await ed.getPublicKeyAsync(privateKey);
const message =
'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';
const signature = await ed.signAsync(message, privateKey);
expect(hex(publicKey)).toBe('278117fc144c72340f67d0f2316e8386ceffbf2b2428c9c51fef7c597f1d426e');
expect(hex(signature)).toBe(
'0aab4c900501b3e24d7cdf4663326a3a87df5e4843b2cbdb67cbf6e460fec350aa5371b1508f9f4528ecea23c436d94b5e8fcd4f681e30a6ac00a9704a188a03'
);
});
});
// describe('ristretto255', () => {
// const { RistrettoPoint } = ed;
// // const PRIVATE_KEY = 0xa665a45920422f9d417e4867efn;
// // const MESSAGE = ripemd160(new Uint8Array([97, 98, 99, 100, 101, 102, 103]));
// // prettier-ignore
// // const MESSAGE = new Uint8Array([
// // 135, 79, 153, 96, 197, 210, 183, 169, 181, 250, 211, 131, 225, 186, 68, 113, 158, 187, 116, 58,
// // ]);
// // const WRONG_MESSAGE = ripemd160(new Uint8Array([98, 99, 100, 101, 102, 103]));
// // prettier-ignore
// // const WRONG_MESSAGE = new Uint8Array([
// // 88, 157, 140, 127, 29, 160, 162, 75, 192, 123, 115, 129, 173, 72, 177, 207, 194, 17, 175, 28,
// // ]);
// // it("should verify just signed message", async () => {
// // await fc.assert(fc.asyncProperty(
// // fc.hexa(),
// // fc.bigInt(2n, ristretto25519.PRIME_ORDER),
// // async (message, privateKey) => {
// // const publicKey = await ristretto25519.getPublicKey(privateKey);
// // const signature = await ristretto25519.sign(message, privateKey);
// // expect(publicKey.length).toBe(32);
// // expect(signature.length).toBe(64);
// // expect(await ristretto25519.verify(signature, message, publicKey)).toBe(true);
// // }),
// // { numRuns: 1 }
// // );
// // });
// // it("should not verify sign with wrong message", async () => {
// // await fc.assert(fc.asyncProperty(
// // fc.array(fc.integer(0x00, 0xff)),
// // fc.array(fc.integer(0x00, 0xff)),
// // fc.bigInt(2n, ristretto25519.PRIME_ORDER),
// // async (bytes, wrongBytes, privateKey) => {
// // const message = new Uint8Array(bytes);
// // const wrongMessage = new Uint8Array(wrongBytes);
// // const publicKey = await ristretto25519.getPublicKey(privateKey);
// // const signature = await ristretto25519.sign(message, privateKey);
// // expect(await ristretto25519.verify(signature, wrongMessage, publicKey)).toBe(
// // bytes.toString() === wrongBytes.toString()
// // );
// // }),
// // { numRuns: 1 }
// // );
// // });
// // it("should sign and verify", async () => {
// // const publicKey = await ristretto25519.getPublicKey(PRIVATE_KEY);
// // const signature = await ristretto25519.sign(MESSAGE, PRIVATE_KEY);
// // expect(await ristretto25519.verify(signature, MESSAGE, publicKey)).toBe(true);
// // });
// // it("should not verify signature with wrong public key", async () => {
// // const publicKey = await ristretto25519.getPublicKey(12);
// // const signature = await ristretto25519.sign(MESSAGE, PRIVATE_KEY);
// // expect(await ristretto25519.verify(signature, MESSAGE, publicKey)).toBe(false);
// // });
// // it("should not verify signature with wrong hash", async () => {
// // const publicKey = await ristretto25519.getPublicKey(PRIVATE_KEY);
// // const signature = await ristretto25519.sign(MESSAGE, PRIVATE_KEY);
// // expect(await ristretto25519.verify(signature, WRONG_MESSAGE, publicKey)).toBe(false);
// // });
// it('should follow the byte encodings of small multiples', () => {
// const encodingsOfSmallMultiples = [
// // This is the identity point
// '0000000000000000000000000000000000000000000000000000000000000000',
// // This is the basepoint
// 'e2f2ae0a6abc4e71a884a961c500515f58e30b6aa582dd8db6a65945e08d2d76',
// // These are small multiples of the basepoint
// '6a493210f7499cd17fecb510ae0cea23a110e8d5b901f8acadd3095c73a3b919',
// '94741f5d5d52755ece4f23f044ee27d5d1ea1e2bd196b462166b16152a9d0259',
// 'da80862773358b466ffadfe0b3293ab3d9fd53c5ea6c955358f568322daf6a57',
// 'e882b131016b52c1d3337080187cf768423efccbb517bb495ab812c4160ff44e',
// 'f64746d3c92b13050ed8d80236a7f0007c3b3f962f5ba793d19a601ebb1df403',
// '44f53520926ec81fbd5a387845beb7df85a96a24ece18738bdcfa6a7822a176d',
// '903293d8f2287ebe10e2374dc1a53e0bc887e592699f02d077d5263cdd55601c',
// '02622ace8f7303a31cafc63f8fc48fdc16e1c8c8d234b2f0d6685282a9076031',
// '20706fd788b2720a1ed2a5dad4952b01f413bcf0e7564de8cdc816689e2db95f',
// 'bce83f8ba5dd2fa572864c24ba1810f9522bc6004afe95877ac73241cafdab42',
// 'e4549ee16b9aa03099ca208c67adafcafa4c3f3e4e5303de6026e3ca8ff84460',
// 'aa52e000df2e16f55fb1032fc33bc42742dad6bd5a8fc0be0167436c5948501f',
// '46376b80f409b29dc2b5f6f0c52591990896e5716f41477cd30085ab7f10301e',
// 'e0c418f7c8d9c4cdd7395b93ea124f3ad99021bb681dfc3302a9d99a2e53e64e',
// ];
// let B = RistrettoPoint.BASE;
// let P = RistrettoPoint.ZERO;
// for (const encoded of encodingsOfSmallMultiples) {
// expect(P.toHex()).toBe(encoded);
// expect(RistrettoPoint.fromHex(encoded).toHex()).toBe(encoded);
// P = P.add(B);
// }
// });
// it('should not convert bad bytes encoding', () => {
// const badEncodings = [
// // These are all bad because they're non-canonical field encodings.
// '00ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff',
// 'ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f',
// 'f3ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f',
// 'edffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f',
// // These are all bad because they're negative field elements.
// '0100000000000000000000000000000000000000000000000000000000000000',
// '01ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f',
// 'ed57ffd8c914fb201471d1c3d245ce3c746fcbe63a3679d51b6a516ebebe0e20',
// 'c34c4e1826e5d403b78e246e88aa051c36ccf0aafebffe137d148a2bf9104562',
// 'c940e5a4404157cfb1628b108db051a8d439e1a421394ec4ebccb9ec92a8ac78',
// '47cfc5497c53dc8e61c91d17fd626ffb1c49e2bca94eed052281b510b1117a24',
// 'f1c6165d33367351b0da8f6e4511010c68174a03b6581212c71c0e1d026c3c72',
// '87260f7a2f12495118360f02c26a470f450dadf34a413d21042b43b9d93e1309',
// // These are all bad because they give a nonsquare x^2.
// '26948d35ca62e643e26a83177332e6b6afeb9d08e4268b650f1f5bbd8d81d371',
// '4eac077a713c57b4f4397629a4145982c661f48044dd3f96427d40b147d9742f',
// 'de6a7b00deadc788eb6b6c8d20c0ae96c2f2019078fa604fee5b87d6e989ad7b',
// 'bcab477be20861e01e4a0e295284146a510150d9817763caf1a6f4b422d67042',
// '2a292df7e32cababbd9de088d1d1abec9fc0440f637ed2fba145094dc14bea08',
// 'f4a9e534fc0d216c44b218fa0c42d99635a0127ee2e53c712f70609649fdff22',
// '8268436f8c4126196cf64b3c7ddbda90746a378625f9813dd9b8457077256731',
// '2810e5cbc2cc4d4eece54f61c6f69758e289aa7ab440b3cbeaa21995c2f4232b',
// // These are all bad because they give a negative xy value.
// '3eb858e78f5a7254d8c9731174a94f76755fd3941c0ac93735c07ba14579630e',
// 'a45fdc55c76448c049a1ab33f17023edfb2be3581e9c7aade8a6125215e04220',
// 'd483fe813c6ba647ebbfd3ec41adca1c6130c2beeee9d9bf065c8d151c5f396e',
// '8a2e1d30050198c65a54483123960ccc38aef6848e1ec8f5f780e8523769ba32',
// '32888462f8b486c68ad7dd9610be5192bbeaf3b443951ac1a8118419d9fa097b',
// '227142501b9d4355ccba290404bde41575b037693cef1f438c47f8fbf35d1165',
// '5c37cc491da847cfeb9281d407efc41e15144c876e0170b499a96a22ed31e01e',
// '445425117cb8c90edcbc7c1cc0e74f747f2c1efa5630a967c64f287792a48a4b',
// // This is s = -1, which causes y = 0.
// 'ecffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f',
// ];
// for (const badBytes of badEncodings) {
// const b = hexToBytes(badBytes);
// expect(() => RistrettoPoint.fromHex(b)).toThrow();
// }
// });
// it('should create right points from uniform hash', async () => {
// const labels = [
// 'Ristretto is traditionally a short shot of espresso coffee',
// 'made with the normal amount of ground coffee but extracted with',
// 'about half the amount of water in the same amount of time',
// 'by using a finer grind.',
// 'This produces a concentrated shot of coffee per volume.',
// 'Just pulling a normal shot short will produce a weaker shot',
// 'and is not a Ristretto as some believe.',
// ];
// const encodedHashToPoints = [
// '3066f82a1a747d45120d1740f14358531a8f04bbffe6a819f86dfe50f44a0a46',
// 'f26e5b6f7d362d2d2a94c5d0e7602cb4773c95a2e5c31a64f133189fa76ed61b',
// '006ccd2a9e6867e6a2c5cea83d3302cc9de128dd2a9a57dd8ee7b9d7ffe02826',
// 'f8f0c87cf237953c5890aec3998169005dae3eca1fbb04548c635953c817f92a',
// 'ae81e7dedf20a497e10c304a765c1767a42d6e06029758d2d7e8ef7cc4c41179',
// 'e2705652ff9f5e44d3e841bf1c251cf7dddb77d140870d1ab2ed64f1a9ce8628',
// '80bd07262511cdde4863f8a7434cef696750681cb9510eea557088f76d9e5065',
// ];
// for (let i = 0; i < labels.length; i++) {
// const hash = await ed.utils.sha512(utf8ToBytes(labels[i]));
// const point = RistrettoPoint.hashToCurve(hash);
// expect(point.toHex()).toBe(encodedHashToPoints[i]);
// }
// });
// });
declare const TextEncoder: any;
declare const TextDecoder: any;
export function utf8ToBytes(str: string): Uint8Array {
if (typeof str !== 'string') {
throw new TypeError(`utf8ToBytes expected string, got ${typeof str}`);
}
return new TextEncoder().encode(str);
}
// describe('curve25519', () => {
// it('scalarMult 1', () => {
// const X25519_VECTORS = [
// {
// k: 'a546e36bf0527c9d3b16154b82465edd62144c0ac1fc5a18506a2244ba449ac4',
// u: 'e6db6867583030db3594c1a424b15f7c726624ec26b3353b10a903a6d0ab1c4c',
// ku: 'c3da55379de9c6908e94ea4df28d084f32eccf03491c71f754b4075577a28552',
// },
// {
// k: '4b66e9d4d1b4673c5ad22691957d6af5c11b6421e0ea01d42ca4169e7918ba0d',
// u: 'e5210f12786811d3f4b7959d0538ae2c31dbe7106fc03c3efc4cd549c715a493',
// ku: '95cbde9476e8907d7aade45cb4b873f88b595a68799fa152e6f8f7647aac7957',
// },
// ];
// for (const { k, u, ku } of X25519_VECTORS) {
// const _k = Uint8Array.from(hexToBytes(k));
// const _u = Uint8Array.from(hexToBytes(u));
// expect(bytesToHex(ed.curve25519.scalarMult(_k, _u))).toBe(ku);
// }
// });
// it('scalarMultBase recursive', () => {
// // https://datatracker.ietf.org/doc/html/rfc7748#section-5.2
// const VECTORS = [
// { iters: 1, res: '422c8e7a6227d7bca1350b3e2bb7279f7897b87bb6854b783c60e80311ae3079' },
// { iters: 1000, res: '684cf59ba83309552800ef566f2f4d3c1c3887c49360e3875f2eb94d99532c51' },
// // {iters: 1000000, res: '7c3911e0ab2586fd864497297e575e6f3bc601c0883c30df5f4dd2d24f665424'},
// ];
// for (const { iters, res } of VECTORS) {
// let k = hexToBytes('0900000000000000000000000000000000000000000000000000000000000000');
// let u = k;
// for (let i = 0; i < iters; i++) {
// if (i > 0 && i % 100000 === 0) console.log('10k');
// [k, u] = [ed.curve25519.scalarMult(k, u), k];
// }
// expect(bytesToHex(k)).toBe(res);
// }
// });
// // it('scalarMult 2', () => {
// // const a_priv = hexToBytes('77076d0a7318a57d3c16c17251b26645df4c2f87ebc0992ab177fba51db92c2a');
// // const a_pub = hexToBytes('8520f0098930a754748b7ddcb43ef75a0dbf3a0d26381af4eba4a98eaa9b4e6a');
// // const b_priv = hexToBytes('5dab087e624a8a4b79e17f8b83800ee66f3bb1292618b6fd1c2f8b27ff88e0eb');
// // const b_pub = hexToBytes('de9edb7d7b7dc1b4d35b61c2ece435373f8343c85b78674dadfc7e146f882b4f');
// // const k = '4a5d9d5ba4ce2de1728e3bf480350f25e07e21c947d19e3376f09b3c1e161742';
// // expect(bytesToHex(ed.curve25519.scalarMultBase(a_priv))).toBe(bytesToHex(a_pub));
// // expect(bytesToHex(ed.curve25519.scalarMultBase(b_priv))).toBe(bytesToHex(b_pub));
// // expect(bytesToHex(ed.curve25519.scalarMult(a_priv, b_pub))).toBe(k);
// // expect(bytesToHex(ed.curve25519.scalarMult(b_priv, a_pub))).toBe(k);
// // });
// });
describe('input immutability', () => {
it('sign/verify are immutable', async () => {
const privateKey = ed.utils.randomPrivateKey();
const publicKey = await ed.getPublicKeyAsync(privateKey);
for (let i = 0; i < 100; i++) {
let payload = ed.utils.randomBytes(100);
let signature = await ed.signAsync(payload, privateKey);
if (!(await ed.verifyAsync(signature, payload, publicKey))) {
throw new Error('Signature verification failed');
}
const signatureCopy = Buffer.alloc(signature.byteLength);
signatureCopy.set(signature, 0); // <-- breaks
payload = payload.slice();
signature = signature.slice();
if (!(await ed.verifyAsync(signatureCopy, payload, publicKey))) {
throw new Error('Copied signature verification failed');
}
}
});
});
describe('ZIP-215 compliance tests', () => {
// https://zips.z.cash/zip-0215
// Vectors from https://gist.github.com/hdevalence/93ed42d17ecab8e42138b213812c8cc7
it('should pass all of them', async () => {
const str = utf8ToBytes('Zcash');
for (let v of zip215) {
let noble = false;
try {
noble = await ed.verifyAsync(v.sig_bytes, str, v.vk_bytes);
} catch (e) {
noble = false;
}
expect(noble).toBe(v.valid_zip215);
}
});
// it('disallows sig.s >= CURVE.l', async () => {
// const sig = new ed.Signature(ed.Point.BASE, 1n);
// // @ts-ignore
// sig.s = ed.CURVE.l + 1n;
// expect(() => ed.verify(sig, 'deadbeef', ed.Point.BASE)).rejects.toThrowError();
// });
});