45 lines
1.8 KiB
JavaScript
45 lines
1.8 KiB
JavaScript
/*! noble-curves - MIT License (c) 2022 Paul Miller (paulmillr.com) */
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import { createCurve } from '../_shortw_utils.js';
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import { sha224, sha256 } from '@noble/hashes/sha256';
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import { Fp } from '../abstract/modular.js';
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// NIST secp192r1 aka P192
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// https://www.secg.org/sec2-v2.pdf, https://neuromancer.sk/std/secg/secp192r1
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export const P192 = createCurve(
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{
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// Params: a, b
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a: BigInt('0xfffffffffffffffffffffffffffffffefffffffffffffffc'),
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b: BigInt('0x64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1'),
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// Field over which we'll do calculations; 2n ** 192n - 2n ** 64n - 1n
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Fp: Fp(BigInt('0xfffffffffffffffffffffffffffffffeffffffffffffffff')),
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// Curve order, total count of valid points in the field.
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n: BigInt('0xffffffffffffffffffffffff99def836146bc9b1b4d22831'),
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// Base point (x, y) aka generator point
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Gx: BigInt('0x188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012'),
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Gy: BigInt('0x07192b95ffc8da78631011ed6b24cdd573f977a11e794811'),
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h: BigInt(1),
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lowS: false,
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},
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sha256
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);
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export const secp192r1 = P192;
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export const P224 = createCurve(
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{
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// Params: a, b
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a: BigInt('0xfffffffffffffffffffffffffffffffefffffffffffffffffffffffe'),
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b: BigInt('0xb4050a850c04b3abf54132565044b0b7d7bfd8ba270b39432355ffb4'),
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// Field over which we'll do calculations;
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Fp: Fp(BigInt('0xffffffffffffffffffffffffffffffff000000000000000000000001')),
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// Curve order, total count of valid points in the field
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n: BigInt('0xffffffffffffffffffffffffffff16a2e0b8f03e13dd29455c5c2a3d'),
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// Base point (x, y) aka generator point
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Gx: BigInt('0xb70e0cbd6bb4bf7f321390b94a03c1d356c21122343280d6115c1d21'),
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Gy: BigInt('0xbd376388b5f723fb4c22dfe6cd4375a05a07476444d5819985007e34'),
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h: BigInt(1),
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lowS: false,
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},
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sha224
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);
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export const secp224r1 = P224;
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