/**
 * Cryptographic utilities for signing and verification
 */
import { KeyPair } from './types';
export declare class CryptoUtils {
    /**
     * Generate a new ECDSA key pair
     */
    static generateKeyPair(): KeyPair;
    /**
     * Sign data with a private key using ECDSA
     */
    static sign(data: string | object, privateKey: string): string;
    /**
     * Verify a signature using a public key
     */
    static verify(data: string | object, signature: string, publicKey: string): boolean;
    /**
     * Get public key from private key
     */
    static getPublicKey(privateKey: string): string;
    /**
     * Generate a hash of data
     */
    static hash(data: string | object): string;
    /**
     * Generate a random ID
     */
    static generateId(): string;
    /**
     * Create HMAC signature for API requests
     */
    static createHmac(data: string, secret: string): string;
    /**
     * Verify HMAC signature
     */
    static verifyHmac(data: string, signature: string, secret: string): boolean;
}
//# sourceMappingURL=crypto.d.ts.map