114 lines
3.6 KiB
Java
114 lines
3.6 KiB
Java
public static void main(String[] aArgs) {
|
|
ownPasswordCalculationTest("12345", "603356072", 25280520);
|
|
ownPasswordCalculationTest("12345", "410501656", 119537670);
|
|
}
|
|
|
|
private static void ownPasswordCalculationTest(String password, String nonce, long expected) {
|
|
final long result = ownPasswordCalculation(Long.valueOf(password), nonce);
|
|
String message = password + " " + nonce + " " + result + " " + expected;
|
|
System.out.println( ( result == expected ) ? "PASS " + message : "FAIL " + message );
|
|
}
|
|
|
|
private static long ownPasswordCalculation(long password, String nonce) {
|
|
final long m1 = 0xFFFF_FFFFL;
|
|
final long m8 = 0xFFFF_FFF8L;
|
|
final long m16 = 0xFFFF_FFF0L;
|
|
final long m128 = 0xFFFF_FF80L;
|
|
final long m16777216 = 0xFF00_0000L;
|
|
|
|
boolean flag = true;
|
|
long number1 = 0;
|
|
long number2 = 0;
|
|
|
|
for ( char ch : nonce.toCharArray() ) {
|
|
number2 = number2 & m1;
|
|
|
|
switch (ch) {
|
|
case '1' -> {
|
|
if ( flag ) { number2 = password; }
|
|
flag = false;
|
|
number1 = number2 & m128;
|
|
number1 = number1 >>> 7;
|
|
number2 = number2 << 25;
|
|
number1 = number1 + number2;
|
|
}
|
|
|
|
case '2' -> {
|
|
if ( flag ) { number2 = password; }
|
|
flag = false;
|
|
number1 = number2 & m16;
|
|
number1 = number1 >>> 4;
|
|
number2 = number2 << 28;
|
|
number1 = number1 + number2;
|
|
}
|
|
|
|
case '3' -> {
|
|
if ( flag ) { number2 = password; }
|
|
flag = false;
|
|
number1 = number2 & m8;
|
|
number1 = number1 >>> 3;
|
|
number2 = number2 << 29;
|
|
number1 = number1 + number2;
|
|
}
|
|
|
|
case '4' -> {
|
|
if ( flag ) { number2 = password; }
|
|
flag = false;
|
|
number1 = number2 << 1;
|
|
number2 = number2 >>> 31;
|
|
number1 = number1 + number2;
|
|
}
|
|
|
|
case '5' -> {
|
|
if ( flag ) { number2 = password; }
|
|
flag = false;
|
|
number1 = number2 << 5;
|
|
number2 = number2 >>> 27;
|
|
number1 = number1 + number2;
|
|
}
|
|
|
|
case '6' -> {
|
|
if ( flag ) { number2 = password; }
|
|
flag = false;
|
|
number1 = number2 << 12;
|
|
number2 = number2 >>> 20;
|
|
number1 = number1 + number2;
|
|
}
|
|
|
|
case '7' -> {
|
|
if ( flag ) { number2 = password; }
|
|
flag = false;
|
|
number1 = number2 & 0xFF00L;
|
|
number1 = number1 + ( ( number2 & 0xFFL ) << 24 );
|
|
number1 = number1 + ( ( number2 & 0xFF0000L ) >>> 16 );
|
|
number2 = ( number2 & m16777216 ) >>> 8;
|
|
number1 = number1 + number2;
|
|
}
|
|
|
|
case '8' -> {
|
|
if ( flag ) { number2 = password;}
|
|
flag = false;
|
|
number1 = number2 & 0xFFFFL;
|
|
number1 = number1 << 16;
|
|
number1 = number1 + ( number2 >>> 24 );
|
|
number2 = number2 & 0xFF0000L;
|
|
number2 = number2 >>> 8;
|
|
number1 = number1 + number2;
|
|
}
|
|
|
|
case '9' -> {
|
|
if ( flag ) { number2 = password; }
|
|
flag = false;
|
|
number1 = ~number2;
|
|
}
|
|
|
|
default -> number1 = number2;
|
|
}
|
|
number2 = number1;
|
|
}
|
|
|
|
return number1 & m1;
|
|
}
|
|
|
|
}
|