import type { Keystore } from '../types';
export declare function bufferFromString(string: string, encoding?: 'utf-8' | 'base64'): Uint8Array;
export declare function stringFromBuffer(buffer: Uint8Array, encoding?: 'utf-8' | 'base64'): string;
/**
 * Generate a pbkdf2 key from a password and random salt
 */
export declare function keyFromPassword(password: string, saltBuffer: Uint8Array): Uint8Array;
/**
 * Encrypts a data object that can be any serializable value using
 * a provided password.
 *
 * @returns Promise<Keystore> object
 */
export declare function encrypt<T>(password: string, data: T): Promise<Keystore>;
/**
 * Given a password and a keystore object, decrypts the text and returns
 * the resulting value
 */
export declare function decrypt<T>(password: string, keystore: Keystore): Promise<T>;
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