[goodvin1709]

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Добавлено через 29 минут
Оффтоп

public class FirstKey
{
private static final byte[] TKBOX = { -112, 22, 124, -93, 68, -116, -19, -125, -4, 101, -62, 5, 70, 25, 29, 81, 65, -86, 79, -69, 2, 97, -108, -11, -84, -56, 17, 7, 31, 52, -34, -41, -110, -60, 57, -5, -6, -24, 98, -100, 23, 4, -74, -37, 1, 6, -2, -14, -77, 12, -7, 3, -29, -17, -75, 49, 44, -78, 94, 21, 0, 35, -18, 83, 9, -42, 60, 93, 54, 20, -49, 114, 106, -82, 113, -90, 86, -124, -73, -81, 90, 121, 115, 125, 47, 24, -28, 73, 56, -31, 8, 71, 122, 58, -33, 108, -111, 102, -118, -103, -122, 88, 28, -76, 67, -115, -67, 78, 36, 117, -8, -25, -97, 107, -91, -50, -53, -52, 111, -114, -58, -128, 84, -98, 63, 74, 10, 41, -32, 126, 69, -68, 11, -119, -44, -39, -107, -40, 85, -87, 61, 91, -1, 50, -72, -117, 15, 55, -51, 43, 87, 105, 120, -88, 116, 80, -48, -123, -127, -105, -22, 76, 109, 19, -46, -30, 112, 16, -10, 45, -63, -47, 123, -106, 27, 38, 104, -70, -79, 18, -99, -16, -85, -23, 30, -66, 48, -89, -61, -113, -12, 51, -95, -15, 32, -9, 62, -38, 14, -45, -80, 66, 100, 103, -104, -27, -43, 110, -83, -26, -101, 46, -120, -54, 37, 42, 13, 75, 82, -109, 26, -94, -57, -64, 119, 53, 39, -13, -121, 33, 72, -126, -65, -36, -71, 118, -35, 92, 96, 89, 64, 34, -20, -96, 77, 40, 127, -21, 59, -55, -102, 95, -3, 99, -59, -92 };
private static final byte[] MGBOX = { -14, -108, 90, 75, 15, 115, -38, -37, -125, 29, -77, 9, -4, 54, -72, 70, 65, -44, -48, 85, -13, -121, 118, -102, 40, 53, 113, -5, -9, 28, 3, 125, 21, -124, 10, 67, -6, -98, 96, -105, -104, 126, -93, 82, -47, 41, -91, 89, -59, 122, 47, 37, -31, 59, 56, 12, -112, -58, -39, -10, -40, -49, 22, -107, 33, -89, 109, 31, 88, 81, 72, 42, -66, -85, -15, 93, -101, -7, -128, -19, -27, -90, -11, 111, 49, -70, 121, 79, -123, -127, -79, 35, -28, 114, -22, 44, -54, 107, 106, 30, 92, 4, -43, -82, -78, -26, -61, 57, 77, 95, 58, 69, -76, 103, -56, 78, 26, -92, 48, -32, -52, 16, -67, 51, -50, -73, -29, 52, -60, -118, -1, -80, 63, 2, 124, -36, -65, 8, -33, -115, -3, 108, -21, 18, 110, 36, -51, 46, -103, 94, 20, -114, 80, 127, -86, 19, -119, -113, 68, -25, -120, -71, 32, 38, -95, -57, 5, 7, 105, -17, -34, -81, 24, -74, -35, 100, 1, -46, -94, 43, 13, 17, -87, 11, -69, -62, -126, -63, -64, -23, -97, 27, -18, -53, 84, 0, -106, -83, 39, 116, 91, 104, 14, -24, -42, 34, -88, -84, 62, 61, -2, 112, 23, 119, 73, 6, -122, 55, -99, -41, 83, 99, 60, 87, 45, 120, -55, 117, -117, 98, 123, -8, 76, -16, -30, 64, -96, -109, -75, 25, 101, -110, 86, 50, 71, -12, 74, -100, -116, -68, 66, -20, -45, 102, -111, 97 };

public static byte[] expandKey(byte[] key, int size)
{
byte[] P = new byte[64];

for(int i = 0; i < 64; i++)
P[i] = key[(i % size)];

for(int i = 0; i < 256; i++)
{
byte t = P[(i % 64)];
byte m = (byte)(MGBOX[(MGBOX[(t & 0xFF)] & 0xFF)] & 0xFF ^ TKBOX[(TKBOX[i] & 0xFF)] & 0xFF);
P[(i % 64)] = TKBOX[(m & 0xFF)];
}

return P;
}
}

Вот так первый ключ генерируеться