/// <reference types="node" />
import { Buffer } from 'buffer';
import { PublicKeyAlgorithm, KeyPair, ECParameters } from '../publicKeyAlgorithm';
import { Signer, Verifier } from '../hmacAlgorithm';
import { ECCurve } from '../ecdsaCurves';
declare class WebECDsaKeyPair implements KeyPair {
    private algorithm;
    /**
     * Constructs a new ECDSA key pair object.
     *
     * @param algorithmName Key pair algorithm name. If unspecified, the key pair object must be
     * initialized before use via `importParameters()`.
     */
    constructor(algorithmName?: string);
    get hasPublicKey(): boolean;
    get hasPrivateKey(): boolean;
    comment: string | null;
    get keyAlgorithmName(): string;
    get algorithmName(): string;
    set algorithmName(value: string);
    generate(): Promise<void>;
    setPublicKeyBytes(keyBytes: Buffer, algorithmName?: string): Promise<void>;
    getPublicKeyBytes(algorithmName?: string | undefined): Promise<Buffer | null>;
    importParameters(parameters: ECParameters): Promise<void>;
    exportParameters(): Promise<ECParameters>;
    dispose(): void;
}
export declare class WebECDsa extends PublicKeyAlgorithm {
    static readonly ecdsaSha2Nistp256 = "ecdsa-sha2-nistp256";
    static readonly ecdsaSha2Nistp384 = "ecdsa-sha2-nistp384";
    static readonly ecdsaSha2Nistp521 = "ecdsa-sha2-nistp521";
    constructor(name: string, hashAlgorithmName: string);
    static curves: ECCurve[];
    createKeyPair(): KeyPair;
    generateKeyPair(): Promise<KeyPair>;
    createSigner(keyPair: KeyPair): Signer;
    createVerifier(keyPair: KeyPair): Verifier;
    private static convertHashAlgorithmName;
    static readonly KeyPair: typeof WebECDsaKeyPair;
}
export declare namespace WebECDsa {
    type KeyPair = WebECDsaKeyPair;
}
export {};
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