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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/OpenWebNet-password/JavaScript/openwebnet-password.js Normal file
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function calcPass (pass, nonce) {
var flag = true;
var num1 = 0x0;
var num2 = 0x0;
var password = parseInt(pass, 10);
for (var c in nonce) {
c = nonce[c];
if (c!='0') {
if (flag) num2 = password;
flag = false;
}
switch (c) {
case '1':
num1 = num2 & 0xFFFFFF80;
num1 = num1 >>> 7;
num2 = num2 << 25;
num1 = num1 + num2;
break;
case '2':
num1 = num2 & 0xFFFFFFF0;
num1 = num1 >>> 4;
num2 = num2 << 28;
num1 = num1 + num2;
break;
case '3':
num1 = num2 & 0xFFFFFFF8;
num1 = num1 >>> 3;
num2 = num2 << 29;
num1 = num1 + num2;
break;
case '4':
num1 = num2 << 1;
num2 = num2 >>> 31;
num1 = num1 + num2;
break;
case '5':
num1 = num2 << 5;
num2 = num2 >>> 27;
num1 = num1 + num2;
break;
case '6':
num1 = num2 << 12;
num2 = num2 >>> 20;
num1 = num1 + num2;
break;
case '7':
num1 = num2 & 0x0000FF00;
num1 = num1 + (( num2 & 0x000000FF ) << 24 );
num1 = num1 + (( num2 & 0x00FF0000 ) >>> 16 );
num2 = ( num2 & 0xFF000000 ) >>> 8;
num1 = num1 + num2;
break;
case '8':
num1 = num2 & 0x0000FFFF;
num1 = num1 << 16;
num1 = num1 + ( num2 >>> 24 );
num2 = num2 & 0x00FF0000;
num2 = num2 >>> 8;
num1 = num1 + num2;
break;
case '9':
num1 = ~num2;
break;
case '0':
num1 = num2;
break;
}
num2 = num1;
}
return (num1 >>> 0).toString();
}
exports.calcPass = calcPass;
console.log ('openpass initialization');
function testCalcPass (pass, nonce, expected) {
var res = calcPass (pass, nonce);
var m = pass + ' ' + nonce + ' ' + res + ' ' + expected;
if (res == parseInt(expected, 10))
console.log ('PASS '+m);
else
console.log ('FAIL '+m);
}
testCalcPass ('12345', '603356072', '25280520');
testCalcPass ('12345', '410501656', '119537670');
testCalcPass ('12345', '630292165', '4269684735');
testCalcPass ('12345', '523781130', '537331200');