??? ????? ?? ????? ???? ?? ??? ? ????. ?? ??? ???? ???? ??? ?? ??? ??? ???? ????? ???? ? ????? ??????. ? ??? ???? ??? ??? ????? ????? ??? ??? ????. Chrome ? ???? ??? ? ??? ?? ?? ??? ????? ?? ??? ?????? ?????.

?: Facebook ???? ??

?? ??

1. ?? ??? ??: ???? ???? ??? ??? ????? ???? ????? ???? ?????.
2. ??? ?? ??? ?? ??: ?? ? ?? ?? ??(???, ???, ??, ?? ??)? ??? ???? ??? ?????.
3. ???? ??: ?? ??? ???? ?? ??? ?????.
4. ?? ??? ????: ?? ??? ??? ??? ????? ???? ???? ??? ??????.

?? ??

?? ??? ???? ???? ??? ?? ??? ???? ? ????? ?? ??? ????? ?????. ????? ??? ????? ?? ?? ?? ? ?? ??? ?? ??? ?? ?? ??? ????? ?????.

?? ????

???? ?? ??? ??? ????.

1. ??? ??:

• ??? ??
• ??? ??
• ??? ????
• ?? ????(?: ???? ??, ?? ?? ??)

1. ??: ??? ?? ???? ???? SHA-256 ????? ???? ?????. ?? ?? ? ?? ??? ?? ???? ???? ?? ?? ?????.

2. ???? ??:

• ???? ????? ?? ?? ??? ??????.
• ??? ??? ??? ??? ??(?: ???, ???, ??, ?? ??)? ?????.
• ?? ????? ?? ?? ??? ???? ??? ??? ????.

?? ?????

??? ?? ??? ???? ???? ???? ?? ?????.

?? ?? ??

const upperChars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
const lowerChars = 'abcdefghijklmnopqrstuvwxyz';
const numberChars = '0123456789';
const specialChars = '!@#$%^&*()';
const CHARACTER_SETS = {
    uppercase: upperChars,
    lowercase: lowerChars,
    number: numberChars,
    special: specialChars,
};

?? ??

async function hashPassword(userData) {
    const combinedString = userData.domain + userData.username + userData.masterPassword + userData.pwVersion;
    const encoder = new TextEncoder();
    const passwordHash = await crypto.subtle.digest('SHA-256', encoder.encode(combinedString));
    const passwordHashArray = Array.from(new Uint8Array(passwordHash));

    const allRequiredChars = getRequireChars(getRequireRules(
        userData.isRequiredUpperCase,
        userData.isRequiredLowerCase,
        userData.isRequiredNumber,
        userData.isRequiredSpecial
    ));

    let password = "";
    for (let i = 0; i < userData.maxLength; i++) {
        let byte = passwordHashArray[i % passwordHashArray.length];
        password += allRequiredChars[byte % allRequiredChars.length];
    }
    return password;
}

?? ?? ??

function getRequireRules(isRequiredUpperCase, isRequiredLowerCase, isRequiredNumber, isRequiredSpecial) {
    let rules = [];
    if (isRequiredUpperCase) rules.push('uppercase');
    if (isRequiredLowerCase) rules.push('lowercase');
    if (isRequiredNumber) rules.push('number');
    if (isRequiredSpecial) rules.push('special');
    return rules;
}

??

• ?? ??: ????? ???? ???? ?? ????? ???? ????.
• ???: ??? ?? ????? ?????? ??? ????? ?????.
• ??? ?? ??: ??? ?? ?? ??? ????? ???? ??? ??????.

??

?? ??? ???? ???? ????? ???? ????? ???? ?? ??? ?????. ??? ?? ? ?? ??? ????? ???? ???? ????? ???? ??? ?? ??? ?????. Chrome ? ????? ?????!

??? ??? GitHub? ??????.

????? ?????? ?????? ?? ?? ??? ?!

? ??? ?? ??? ???? ???: ???? ??? ???? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!