123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113
const {run, mark, logMem} = require('micro-bmark');let ed = require('..');
run(async () => {  // warm-up  await mark(() => {    ed.utils.precompute();  });
  logMem();  console.log();
  function toBytes(numOrStr) {    let hex = typeof numOrStr === 'string' ? numOrStr : numOrStr.toString(16);    hex = hex.padStart(64, '0');    const array = new Uint8Array(hex.length / 2);    for (let i = 0; i < array.length; i++) {      let j = i * 2;      array[i] = Number.parseInt(hex.slice(j, j + 2), 16);    }    return array;  }
  const arr = new Array(8192).fill(0).map(i => ed.utils.randomPrivateKey());  const priv1 = toBytes(2n);  let pubHex;  await mark('getPublicKey 1 bit', 1000, async () => {    pubHex = await ed.getPublicKey(priv1);  });
  const priv2 = toBytes(0x9d61b19deffd5a60ba844af492ec2cc44449c5697b326919703bac031cae7f60n);  let pi = 0;  await mark('getPublicKey(utils.randomPrivateKey())', 1000, async () => {    pubHex = await ed.getPublicKey(arr[pi++ % arr.length]);  });
  const msg = toBytes('deadbeefdeadbeefdeadbeefdeadbeefdeadbeef');  let sigHex;  await mark('sign', 1000, async () => {    sigHex = await ed.sign(msg, priv2);    return sigHex;  });
  await mark('verify', 1000, async () => {    return await ed.verify(sigHex, msg, pubHex);  });
  const sig = ed.Signature.fromHex(sigHex);  const pub = ed.Point.fromHex(pubHex);  await mark('verifyBatch', 1000, async () => {    return await ed.verify(sig, msg, pub);  });  await mark('Point.fromHex decompression', 1000, () => {    ed.Point.fromHex(pubHex);  });
  function hexToArray(hash) {    hash = hash.length & 1 ? `0${hash}` : hash;    const len = hash.length;    const result = new Uint8Array(len / 2);    for (let i = 0, j = 0; i < len - 1; i += 2, j++) {      result[j] = parseInt(hash[i] + hash[i + 1], 16);    }    return result;  }  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'  ].map(n => hexToArray(n));  const {ExtendedPoint} = ed;  const hash = new Uint8Array([    0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef,    0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef,    0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef,    0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef,    0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef,    0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef,    0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef,    0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef,  ])  await mark('ristretto255#fromHash', 2000, () => {    ExtendedPoint.fromRistrettoHash(hash);  });  await mark('ristretto255 round', 2000, () => {    ExtendedPoint.fromRistrettoBytes(encodingsOfSmallMultiples[2]).toRistrettoBytes();  });  mark('curve25519.scalarMultBase', 3000, () => {    ed.curve25519.scalarMultBase('aeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef');  })  await mark('ed25519.getSharedSecret', 3000, async () => {    await ed.getSharedSecret(0x12345, 'aeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef');  })
  logMem();});