/** Get random bytes from the crypto API. */
export declare function getRandomBytes(length: number): Uint8Array;
/**
 * Hash a password using PBKDF2, generating a new salt, and return the combined salt$iterations$hash string.
 *
 * @param password The password to hash.
 * @param iterations The number of iterations.
 *
 * @returns Hash in the format `salt$iterations$hash`, where `salt` and `hash` are base64-encoded.
 * - Returned hash tring will be about 128 characters long (16 byte salt + iteration count + 64 byte hash + 2 separators = 116 characters once base64 encoded).
 */
export declare function hashPassword(password: string, iterations?: number): Promise<string>;
/**
 * Verify a password against a stored salt$iterations$hash string using PBKDF2.
 *
 * @param password The password to verify.
 * @param hash String in the format `salt$iterations$hash`, where `salt` and `hash` are base64-encoded.
 *
 * @returns True if the password matches the hash, false otherwise.
 */
export declare function verifyPassword(password: string, hash: string): Promise<boolean>;