@hpke/dhkem-x25519/script/src/dhkemX25519.d.ts

A Hybrid Public Key Encryption (HPKE) module extension for X25519

import type { KdfInterface } from "@hpke/common";
import { Dhkem, KemId, XCurveDhkemPrimitives } from "@hpke/common";
export declare class X25519 extends XCurveDhkemPrimitives {
    constructor(hkdf: KdfInterface);
    derive(sk: Uint8Array, pk: Uint8Array): Promise<Uint8Array>;
}
/**
 * The DHKEM(X25519, HKDF-SHA256) for HPKE KEM implementing {@link KemInterface}.
 *
 * This class is implemented using
 * {@link https://github.com/paulmillr/noble-curves | @noble/curves}.
 *
 * The instance of this class can be specified to the
 * {@link https://jsr.io/@hpke/core/doc/~/CipherSuiteParams | CipherSuiteParams} as follows:
 *
 * @example Use with `@hpke/core`:
 *
 * ```ts
 * import {
 *   Aes128Gcm,
 *   CipherSuite,
 *   HkdfSha256,
 * } from "@hpke/core";
 * import { DhkemX25519HkdfSha256 } from "@hpke/dhkem-x25519";
 *
 * const suite = new CipherSuite({
 *   kem: new DhkemX25519HkdfSha256(),
 *   kdf: new HkdfSha256(),
 *   aead: new Aes128Gcm(),
 * });
 * ```
 */
export declare class DhkemX25519HkdfSha256 extends Dhkem {
    /** KemId.DhkemX25519HkdfSha256 (0x0020) */
    id: KemId;
    /** 32 */
    secretSize: number;
    /** 32 */
    encSize: number;
    /** 32 */
    publicKeySize: number;
    /** 32 */
    privateKeySize: number;
    constructor();
}
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