12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849 |
- "use strict";
- Object.defineProperty(exports, "__esModule", { value: true });
- exports.encodeToCurve = exports.hashToCurve = exports.secp384r1 = exports.p384 = void 0;
- /*! noble-curves - MIT License (c) 2022 Paul Miller (paulmillr.com) */
- const sha512_1 = require("@noble/hashes/sha512");
- const _shortw_utils_js_1 = require("./_shortw_utils.js");
- const hash_to_curve_js_1 = require("./abstract/hash-to-curve.js");
- const modular_js_1 = require("./abstract/modular.js");
- const weierstrass_js_1 = require("./abstract/weierstrass.js");
- // NIST secp384r1 aka p384
- // https://www.secg.org/sec2-v2.pdf, https://neuromancer.sk/std/nist/P-384
- // Field over which we'll do calculations.
- // prettier-ignore
- const P = BigInt('0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff');
- const Fp = (0, modular_js_1.Field)(P);
- const CURVE_A = Fp.create(BigInt('-3'));
- // prettier-ignore
- const CURVE_B = BigInt('0xb3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef');
- // prettier-ignore
- exports.p384 = (0, _shortw_utils_js_1.createCurve)({
- a: CURVE_A, // Equation params: a, b
- b: CURVE_B,
- Fp, // Field: 2n**384n - 2n**128n - 2n**96n + 2n**32n - 1n
- // Curve order, total count of valid points in the field.
- n: BigInt('0xffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973'),
- // Base (generator) point (x, y)
- Gx: BigInt('0xaa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7'),
- Gy: BigInt('0x3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f'),
- h: BigInt(1),
- lowS: false,
- }, sha512_1.sha384);
- exports.secp384r1 = exports.p384;
- const mapSWU = /* @__PURE__ */ (() => (0, weierstrass_js_1.mapToCurveSimpleSWU)(Fp, {
- A: CURVE_A,
- B: CURVE_B,
- Z: Fp.create(BigInt('-12')),
- }))();
- const htf = /* @__PURE__ */ (() => (0, hash_to_curve_js_1.createHasher)(exports.secp384r1.ProjectivePoint, (scalars) => mapSWU(scalars[0]), {
- DST: 'P384_XMD:SHA-384_SSWU_RO_',
- encodeDST: 'P384_XMD:SHA-384_SSWU_NU_',
- p: Fp.ORDER,
- m: 1,
- k: 192,
- expand: 'xmd',
- hash: sha512_1.sha384,
- }))();
- exports.hashToCurve = (() => htf.hashToCurve)();
- exports.encodeToCurve = (() => htf.encodeToCurve)();
- //# sourceMappingURL=p384.js.map
|