import { HmacSha1 } from '../hmac/hmac-sha1';
export function Pbkdf2HmacSha1(password, salt, count, length) {
    const hmac = new HmacSha1(password);
    const result = new Uint8Array(length);
    const blocks = Math.ceil(length / hmac.HMAC_SIZE);
    for (let i = 1; i <= blocks; ++i) {
        const j = (i - 1) * hmac.HMAC_SIZE;
        const l = (i < blocks ? 0 : length % hmac.HMAC_SIZE) || hmac.HMAC_SIZE;
        hmac.reset().process(salt);
        hmac.hash.asm.pbkdf2_generate_block(hmac.hash.pos, hmac.hash.len, i, count, 0);
        result.set(hmac.hash.heap.subarray(0, l), j);
    }
    return result;
}