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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@noble/curves
Просмотр файла: ed448.d.ts
import type { AffinePoint } from './abstract/curve.ts';
import { PrimeEdwardsPoint, type CurveFn, type EdwardsPoint, type EdwardsPointCons } from './abstract/edwards.ts';
import { type H2CHasher, type H2CHasherBase, type H2CMethod, type htfBasicOpts } from './abstract/hash-to-curve.ts';
import { type IField } from './abstract/modular.ts';
import { type MontgomeryECDH as XCurveFn } from './abstract/montgomery.ts';
import { type Hex } from './utils.ts';
/**
* ed448 EdDSA curve and methods.
* @example
* import { ed448 } from '@noble/curves/ed448';
* const { secretKey, publicKey } = ed448.keygen();
* const msg = new TextEncoder().encode('hello');
* const sig = ed448.sign(msg, secretKey);
* const isValid = ed448.verify(sig, msg, publicKey);
*/
export declare const ed448: CurveFn;
/** Prehashed version of ed448. Accepts already-hashed messages in sign() and verify(). */
export declare const ed448ph: CurveFn;
/**
* E448 curve, defined by NIST.
* E448 != edwards448 used in ed448.
* E448 is birationally equivalent to edwards448.
*/
export declare const E448: EdwardsPointCons;
/**
* ECDH using curve448 aka x448.
* x448 has 56-byte keys as per RFC 7748, while
* ed448 has 57-byte keys as per RFC 8032.
*/
export declare const x448: XCurveFn;
/** Hashing / encoding to ed448 points / field. RFC 9380 methods. */
export declare const ed448_hasher: H2CHasher<bigint>;
/**
* Each ed448/EdwardsPoint has 4 different equivalent points. This can be
* a source of bugs for protocols like ring signatures. Decaf was created to solve this.
* Decaf point operates in X:Y:Z:T extended coordinates like EdwardsPoint,
* but it should work in its own namespace: do not combine those two.
* See [RFC9496](https://www.rfc-editor.org/rfc/rfc9496).
*/
declare class _DecafPoint extends PrimeEdwardsPoint<_DecafPoint> {
static BASE: _DecafPoint;
static ZERO: _DecafPoint;
static Fp: IField<bigint>;
static Fn: IField<bigint>;
constructor(ep: EdwardsPoint);
static fromAffine(ap: AffinePoint<bigint>): _DecafPoint;
protected assertSame(other: _DecafPoint): void;
protected init(ep: EdwardsPoint): _DecafPoint;
/** @deprecated use `import { decaf448_hasher } from '@noble/curves/ed448.js';` */
static hashToCurve(hex: Hex): _DecafPoint;
static fromBytes(bytes: Uint8Array): _DecafPoint;
/**
* Converts decaf-encoded string to decaf point.
* Described in [RFC9496](https://www.rfc-editor.org/rfc/rfc9496#name-decode-2).
* @param hex Decaf-encoded 56 bytes. Not every 56-byte string is valid decaf encoding
*/
static fromHex(hex: Hex): _DecafPoint;
/** @deprecated use `import { pippenger } from '@noble/curves/abstract/curve.js';` */
static msm(points: _DecafPoint[], scalars: bigint[]): _DecafPoint;
/**
* Encodes decaf point to Uint8Array.
* Described in [RFC9496](https://www.rfc-editor.org/rfc/rfc9496#name-encode-2).
*/
toBytes(): Uint8Array;
/**
* Compare one point to another.
* Described in [RFC9496](https://www.rfc-editor.org/rfc/rfc9496#name-equals-2).
*/
equals(other: _DecafPoint): boolean;
is0(): boolean;
}
export declare const decaf448: {
Point: typeof _DecafPoint;
};
/** Hashing to decaf448 points / field. RFC 9380 methods. */
export declare const decaf448_hasher: H2CHasherBase<bigint>;
/**
* Weird / bogus points, useful for debugging.
* Unlike ed25519, there is no ed448 generator point which can produce full T subgroup.
* Instead, there is a Klein four-group, which spans over 2 independent 2-torsion points:
* (0, 1), (0, -1), (-1, 0), (1, 0).
*/
export declare const ED448_TORSION_SUBGROUP: string[];
type DcfHasher = (msg: Uint8Array, options: htfBasicOpts) => _DecafPoint;
/** @deprecated use `decaf448.Point` */
export declare const DecafPoint: typeof _DecafPoint;
/** @deprecated use `import { ed448_hasher } from '@noble/curves/ed448.js';` */
export declare const hashToCurve: H2CMethod<bigint>;
/** @deprecated use `import { ed448_hasher } from '@noble/curves/ed448.js';` */
export declare const encodeToCurve: H2CMethod<bigint>;
/** @deprecated use `import { decaf448_hasher } from '@noble/curves/ed448.js';` */
export declare const hashToDecaf448: DcfHasher;
/** @deprecated use `import { decaf448_hasher } from '@noble/curves/ed448.js';` */
export declare const hash_to_decaf448: DcfHasher;
/** @deprecated use `ed448.utils.toMontgomery` */
export declare function edwardsToMontgomeryPub(edwardsPub: string | Uint8Array): Uint8Array;
/** @deprecated use `ed448.utils.toMontgomery` */
export declare const edwardsToMontgomery: typeof edwardsToMontgomeryPub;
export {};
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