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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/viem/node_modules/@noble/curves

Просмотр файла: nist.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.p521_hasher = exports.secp521r1 = exports.p521 = exports.p384_hasher = exports.secp384r1 = exports.p384 = exports.p256_hasher = exports.secp256r1 = exports.p256 = void 0;
/**
 * Internal module for NIST P256, P384, P521 curves.
 * Do not use for now.
 * @module
 */
/*! noble-curves - MIT License (c) 2022 Paul Miller (paulmillr.com) */
const sha2_1 = require("@noble/hashes/sha2");
const _shortw_utils_ts_1 = require("./_shortw_utils.js");
const hash_to_curve_ts_1 = require("./abstract/hash-to-curve.js");
const modular_ts_1 = require("./abstract/modular.js");
const weierstrass_ts_1 = require("./abstract/weierstrass.js");
const Fp256 = (0, modular_ts_1.Field)(BigInt('0xffffffff00000001000000000000000000000000ffffffffffffffffffffffff'));
const p256_a = Fp256.create(BigInt('-3'));
const p256_b = BigInt('0x5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b');
/**
 * secp256r1 curve, ECDSA and ECDH methods.
 * Field: `2n**224n * (2n**32n-1n) + 2n**192n + 2n**96n-1n`
 */
// prettier-ignore
exports.p256 = (0, _shortw_utils_ts_1.createCurve)({
    a: p256_a,
    b: p256_b,
    Fp: Fp256,
    n: BigInt('0xffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551'),
    Gx: BigInt('0x6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296'),
    Gy: BigInt('0x4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5'),
    h: BigInt(1),
    lowS: false
}, sha2_1.sha256);
/** Alias to p256. */
exports.secp256r1 = exports.p256;
const p256_mapSWU = /* @__PURE__ */ (() => (0, weierstrass_ts_1.mapToCurveSimpleSWU)(Fp256, {
    A: p256_a,
    B: p256_b,
    Z: Fp256.create(BigInt('-10')),
}))();
/** Hashing / encoding to p256 points / field. RFC 9380 methods. */
exports.p256_hasher = (() => (0, hash_to_curve_ts_1.createHasher)(exports.secp256r1.ProjectivePoint, (scalars) => p256_mapSWU(scalars[0]), {
    DST: 'P256_XMD:SHA-256_SSWU_RO_',
    encodeDST: 'P256_XMD:SHA-256_SSWU_NU_',
    p: Fp256.ORDER,
    m: 1,
    k: 128,
    expand: 'xmd',
    hash: sha2_1.sha256,
}))();
// Field over which we'll do calculations.
const Fp384 = (0, modular_ts_1.Field)(BigInt('0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff'));
const p384_a = Fp384.create(BigInt('-3'));
// prettier-ignore
const p384_b = BigInt('0xb3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef');
/**
 * secp384r1 curve, ECDSA and ECDH methods.
 * Field: `2n**384n - 2n**128n - 2n**96n + 2n**32n - 1n`.
 * */
// prettier-ignore
exports.p384 = (0, _shortw_utils_ts_1.createCurve)({
    a: p384_a,
    b: p384_b,
    Fp: Fp384,
    n: BigInt('0xffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973'),
    Gx: BigInt('0xaa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7'),
    Gy: BigInt('0x3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f'),
    h: BigInt(1),
    lowS: false
}, sha2_1.sha384);
/** Alias to p384. */
exports.secp384r1 = exports.p384;
const p384_mapSWU = /* @__PURE__ */ (() => (0, weierstrass_ts_1.mapToCurveSimpleSWU)(Fp384, {
    A: p384_a,
    B: p384_b,
    Z: Fp384.create(BigInt('-12')),
}))();
/** Hashing / encoding to p384 points / field. RFC 9380 methods. */
exports.p384_hasher = (() => (0, hash_to_curve_ts_1.createHasher)(exports.secp384r1.ProjectivePoint, (scalars) => p384_mapSWU(scalars[0]), {
    DST: 'P384_XMD:SHA-384_SSWU_RO_',
    encodeDST: 'P384_XMD:SHA-384_SSWU_NU_',
    p: Fp384.ORDER,
    m: 1,
    k: 192,
    expand: 'xmd',
    hash: sha2_1.sha384,
}))();
// Field over which we'll do calculations.
const Fp521 = (0, modular_ts_1.Field)(BigInt('0x1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff'));
const p521_a = Fp521.create(BigInt('-3'));
const p521_b = BigInt('0x0051953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00');
/**
 * NIST secp521r1 aka p521 curve, ECDSA and ECDH methods.
 * Field: `2n**521n - 1n`.
 */
// prettier-ignore
exports.p521 = (0, _shortw_utils_ts_1.createCurve)({
    a: p521_a,
    b: p521_b,
    Fp: Fp521,
    n: BigInt('0x01fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409'),
    Gx: BigInt('0x00c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66'),
    Gy: BigInt('0x011839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650'),
    h: BigInt(1),
    lowS: false,
    allowedPrivateKeyLengths: [130, 131, 132] // P521 keys are variable-length. Normalize to 132b
}, sha2_1.sha512);
/** Alias to p521. */
exports.secp521r1 = exports.p521;
const p521_mapSWU = /* @__PURE__ */ (() => (0, weierstrass_ts_1.mapToCurveSimpleSWU)(Fp521, {
    A: p521_a,
    B: p521_b,
    Z: Fp521.create(BigInt('-4')),
}))();
/** Hashing / encoding to p521 points / field. RFC 9380 methods. */
exports.p521_hasher = (() => (0, hash_to_curve_ts_1.createHasher)(exports.secp521r1.ProjectivePoint, (scalars) => p521_mapSWU(scalars[0]), {
    DST: 'P521_XMD:SHA-512_SSWU_RO_',
    encodeDST: 'P521_XMD:SHA-512_SSWU_NU_',
    p: Fp521.ORDER,
    m: 1,
    k: 256,
    expand: 'xmd',
    hash: sha2_1.sha512,
}))();
//# sourceMappingURL=nist.js.map

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