/// declare module goog.crypt.pbkdf2 { /** * Derives key from password using PBKDF2-SHA1 * @param {!Array.} password Byte array representation of the password * from which the key is derived. * @param {!Array.} initialSalt Byte array representation of the salt. * @param {number} iterations Number of interations when computing the key. * @param {number} keyLength Length of the output key in bits. * Must be multiple of 8. * @return {!Array.} Byte array representation of the output key. */ function deriveKeySha1(password: number[], initialSalt: number[], iterations: number, keyLength: number): number[]; }