import type { Algorithm } from '../types.js';
import type { SigningAlgorithmStrategy } from './algorithm.js';
/**
 * Ed25519 signing strategy
 * Modern elliptic curve signature scheme - faster and more secure than RSA
 * Deterministic and resistant to side-channel attacks
 */
export declare class Ed25519Strategy implements SigningAlgorithmStrategy {
    readonly algorithm: Algorithm;
    readonly type: "signing";
    supports(algorithm: Algorithm): boolean;
    sign(payload: Uint8Array, seed: Uint8Array): Promise<{
        signature: Uint8Array;
        publicKey: Uint8Array;
    }>;
    verify(payload: Uint8Array, signature: Uint8Array, publicKey: Uint8Array): Promise<boolean>;
}
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