0,0 → 1,640 |
package ak.hostadmiral.util; |
|
/**************************************************************************** |
* Java-based implementation of the unix crypt command |
* Based on jdumas@zgs.com implementation, |
* http://locutus.kingwoodcable.com/jfd/crypt.html |
* |
* Based upon C source code written by Eric Young, eay@psych.uq.oz.au |
* |
****************************************************************************/ |
|
public class DigestCrypt |
{ |
private DigestCrypt() {} |
|
private static final int ITERATIONS = 16; |
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private static String salt_chars |
= "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890./"; |
|
private static final int con_salt[] = |
{ |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, |
0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, |
0x0A, 0x0B, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, |
0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, |
0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, |
0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, |
0x23, 0x24, 0x25, 0x20, 0x21, 0x22, 0x23, 0x24, |
0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, |
0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, |
0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, |
0x3D, 0x3E, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, |
}; |
|
private static final boolean shifts2[] = |
{ |
false, false, true, true, true, true, true, true, |
false, true, true, true, true, true, true, false |
}; |
|
private static final int skb[][] = |
{ |
{ |
/* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ |
0x00000000, 0x00000010, 0x20000000, 0x20000010, |
0x00010000, 0x00010010, 0x20010000, 0x20010010, |
0x00000800, 0x00000810, 0x20000800, 0x20000810, |
0x00010800, 0x00010810, 0x20010800, 0x20010810, |
0x00000020, 0x00000030, 0x20000020, 0x20000030, |
0x00010020, 0x00010030, 0x20010020, 0x20010030, |
0x00000820, 0x00000830, 0x20000820, 0x20000830, |
0x00010820, 0x00010830, 0x20010820, 0x20010830, |
0x00080000, 0x00080010, 0x20080000, 0x20080010, |
0x00090000, 0x00090010, 0x20090000, 0x20090010, |
0x00080800, 0x00080810, 0x20080800, 0x20080810, |
0x00090800, 0x00090810, 0x20090800, 0x20090810, |
0x00080020, 0x00080030, 0x20080020, 0x20080030, |
0x00090020, 0x00090030, 0x20090020, 0x20090030, |
0x00080820, 0x00080830, 0x20080820, 0x20080830, |
0x00090820, 0x00090830, 0x20090820, 0x20090830, |
}, |
{ |
/* for C bits (numbered as per FIPS 46) 7 8 10 11 12 13 */ |
0x00000000, 0x02000000, 0x00002000, 0x02002000, |
0x00200000, 0x02200000, 0x00202000, 0x02202000, |
0x00000004, 0x02000004, 0x00002004, 0x02002004, |
0x00200004, 0x02200004, 0x00202004, 0x02202004, |
0x00000400, 0x02000400, 0x00002400, 0x02002400, |
0x00200400, 0x02200400, 0x00202400, 0x02202400, |
0x00000404, 0x02000404, 0x00002404, 0x02002404, |
0x00200404, 0x02200404, 0x00202404, 0x02202404, |
0x10000000, 0x12000000, 0x10002000, 0x12002000, |
0x10200000, 0x12200000, 0x10202000, 0x12202000, |
0x10000004, 0x12000004, 0x10002004, 0x12002004, |
0x10200004, 0x12200004, 0x10202004, 0x12202004, |
0x10000400, 0x12000400, 0x10002400, 0x12002400, |
0x10200400, 0x12200400, 0x10202400, 0x12202400, |
0x10000404, 0x12000404, 0x10002404, 0x12002404, |
0x10200404, 0x12200404, 0x10202404, 0x12202404, |
}, |
{ |
/* for C bits (numbered as per FIPS 46) 14 15 16 17 19 20 */ |
0x00000000, 0x00000001, 0x00040000, 0x00040001, |
0x01000000, 0x01000001, 0x01040000, 0x01040001, |
0x00000002, 0x00000003, 0x00040002, 0x00040003, |
0x01000002, 0x01000003, 0x01040002, 0x01040003, |
0x00000200, 0x00000201, 0x00040200, 0x00040201, |
0x01000200, 0x01000201, 0x01040200, 0x01040201, |
0x00000202, 0x00000203, 0x00040202, 0x00040203, |
0x01000202, 0x01000203, 0x01040202, 0x01040203, |
0x08000000, 0x08000001, 0x08040000, 0x08040001, |
0x09000000, 0x09000001, 0x09040000, 0x09040001, |
0x08000002, 0x08000003, 0x08040002, 0x08040003, |
0x09000002, 0x09000003, 0x09040002, 0x09040003, |
0x08000200, 0x08000201, 0x08040200, 0x08040201, |
0x09000200, 0x09000201, 0x09040200, 0x09040201, |
0x08000202, 0x08000203, 0x08040202, 0x08040203, |
0x09000202, 0x09000203, 0x09040202, 0x09040203, |
}, |
{ |
/* for C bits (numbered as per FIPS 46) 21 23 24 26 27 28 */ |
0x00000000, 0x00100000, 0x00000100, 0x00100100, |
0x00000008, 0x00100008, 0x00000108, 0x00100108, |
0x00001000, 0x00101000, 0x00001100, 0x00101100, |
0x00001008, 0x00101008, 0x00001108, 0x00101108, |
0x04000000, 0x04100000, 0x04000100, 0x04100100, |
0x04000008, 0x04100008, 0x04000108, 0x04100108, |
0x04001000, 0x04101000, 0x04001100, 0x04101100, |
0x04001008, 0x04101008, 0x04001108, 0x04101108, |
0x00020000, 0x00120000, 0x00020100, 0x00120100, |
0x00020008, 0x00120008, 0x00020108, 0x00120108, |
0x00021000, 0x00121000, 0x00021100, 0x00121100, |
0x00021008, 0x00121008, 0x00021108, 0x00121108, |
0x04020000, 0x04120000, 0x04020100, 0x04120100, |
0x04020008, 0x04120008, 0x04020108, 0x04120108, |
0x04021000, 0x04121000, 0x04021100, 0x04121100, |
0x04021008, 0x04121008, 0x04021108, 0x04121108, |
}, |
{ |
/* for D bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ |
0x00000000, 0x10000000, 0x00010000, 0x10010000, |
0x00000004, 0x10000004, 0x00010004, 0x10010004, |
0x20000000, 0x30000000, 0x20010000, 0x30010000, |
0x20000004, 0x30000004, 0x20010004, 0x30010004, |
0x00100000, 0x10100000, 0x00110000, 0x10110000, |
0x00100004, 0x10100004, 0x00110004, 0x10110004, |
0x20100000, 0x30100000, 0x20110000, 0x30110000, |
0x20100004, 0x30100004, 0x20110004, 0x30110004, |
0x00001000, 0x10001000, 0x00011000, 0x10011000, |
0x00001004, 0x10001004, 0x00011004, 0x10011004, |
0x20001000, 0x30001000, 0x20011000, 0x30011000, |
0x20001004, 0x30001004, 0x20011004, 0x30011004, |
0x00101000, 0x10101000, 0x00111000, 0x10111000, |
0x00101004, 0x10101004, 0x00111004, 0x10111004, |
0x20101000, 0x30101000, 0x20111000, 0x30111000, |
0x20101004, 0x30101004, 0x20111004, 0x30111004, |
}, |
{ |
/* for D bits (numbered as per FIPS 46) 8 9 11 12 13 14 */ |
0x00000000, 0x08000000, 0x00000008, 0x08000008, |
0x00000400, 0x08000400, 0x00000408, 0x08000408, |
0x00020000, 0x08020000, 0x00020008, 0x08020008, |
0x00020400, 0x08020400, 0x00020408, 0x08020408, |
0x00000001, 0x08000001, 0x00000009, 0x08000009, |
0x00000401, 0x08000401, 0x00000409, 0x08000409, |
0x00020001, 0x08020001, 0x00020009, 0x08020009, |
0x00020401, 0x08020401, 0x00020409, 0x08020409, |
0x02000000, 0x0A000000, 0x02000008, 0x0A000008, |
0x02000400, 0x0A000400, 0x02000408, 0x0A000408, |
0x02020000, 0x0A020000, 0x02020008, 0x0A020008, |
0x02020400, 0x0A020400, 0x02020408, 0x0A020408, |
0x02000001, 0x0A000001, 0x02000009, 0x0A000009, |
0x02000401, 0x0A000401, 0x02000409, 0x0A000409, |
0x02020001, 0x0A020001, 0x02020009, 0x0A020009, |
0x02020401, 0x0A020401, 0x02020409, 0x0A020409, |
}, |
{ |
/* for D bits (numbered as per FIPS 46) 16 17 18 19 20 21 */ |
0x00000000, 0x00000100, 0x00080000, 0x00080100, |
0x01000000, 0x01000100, 0x01080000, 0x01080100, |
0x00000010, 0x00000110, 0x00080010, 0x00080110, |
0x01000010, 0x01000110, 0x01080010, 0x01080110, |
0x00200000, 0x00200100, 0x00280000, 0x00280100, |
0x01200000, 0x01200100, 0x01280000, 0x01280100, |
0x00200010, 0x00200110, 0x00280010, 0x00280110, |
0x01200010, 0x01200110, 0x01280010, 0x01280110, |
0x00000200, 0x00000300, 0x00080200, 0x00080300, |
0x01000200, 0x01000300, 0x01080200, 0x01080300, |
0x00000210, 0x00000310, 0x00080210, 0x00080310, |
0x01000210, 0x01000310, 0x01080210, 0x01080310, |
0x00200200, 0x00200300, 0x00280200, 0x00280300, |
0x01200200, 0x01200300, 0x01280200, 0x01280300, |
0x00200210, 0x00200310, 0x00280210, 0x00280310, |
0x01200210, 0x01200310, 0x01280210, 0x01280310, |
}, |
{ |
/* for D bits (numbered as per FIPS 46) 22 23 24 25 27 28 */ |
0x00000000, 0x04000000, 0x00040000, 0x04040000, |
0x00000002, 0x04000002, 0x00040002, 0x04040002, |
0x00002000, 0x04002000, 0x00042000, 0x04042000, |
0x00002002, 0x04002002, 0x00042002, 0x04042002, |
0x00000020, 0x04000020, 0x00040020, 0x04040020, |
0x00000022, 0x04000022, 0x00040022, 0x04040022, |
0x00002020, 0x04002020, 0x00042020, 0x04042020, |
0x00002022, 0x04002022, 0x00042022, 0x04042022, |
0x00000800, 0x04000800, 0x00040800, 0x04040800, |
0x00000802, 0x04000802, 0x00040802, 0x04040802, |
0x00002800, 0x04002800, 0x00042800, 0x04042800, |
0x00002802, 0x04002802, 0x00042802, 0x04042802, |
0x00000820, 0x04000820, 0x00040820, 0x04040820, |
0x00000822, 0x04000822, 0x00040822, 0x04040822, |
0x00002820, 0x04002820, 0x00042820, 0x04042820, |
0x00002822, 0x04002822, 0x00042822, 0x04042822, |
}, |
}; |
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private static final int SPtrans[][] = |
{ |
{ |
/* nibble 0 */ |
0x00820200, 0x00020000, 0x80800000, 0x80820200, |
0x00800000, 0x80020200, 0x80020000, 0x80800000, |
0x80020200, 0x00820200, 0x00820000, 0x80000200, |
0x80800200, 0x00800000, 0x00000000, 0x80020000, |
0x00020000, 0x80000000, 0x00800200, 0x00020200, |
0x80820200, 0x00820000, 0x80000200, 0x00800200, |
0x80000000, 0x00000200, 0x00020200, 0x80820000, |
0x00000200, 0x80800200, 0x80820000, 0x00000000, |
0x00000000, 0x80820200, 0x00800200, 0x80020000, |
0x00820200, 0x00020000, 0x80000200, 0x00800200, |
0x80820000, 0x00000200, 0x00020200, 0x80800000, |
0x80020200, 0x80000000, 0x80800000, 0x00820000, |
0x80820200, 0x00020200, 0x00820000, 0x80800200, |
0x00800000, 0x80000200, 0x80020000, 0x00000000, |
0x00020000, 0x00800000, 0x80800200, 0x00820200, |
0x80000000, 0x80820000, 0x00000200, 0x80020200, |
}, |
{ |
/* nibble 1 */ |
0x10042004, 0x00000000, 0x00042000, 0x10040000, |
0x10000004, 0x00002004, 0x10002000, 0x00042000, |
0x00002000, 0x10040004, 0x00000004, 0x10002000, |
0x00040004, 0x10042000, 0x10040000, 0x00000004, |
0x00040000, 0x10002004, 0x10040004, 0x00002000, |
0x00042004, 0x10000000, 0x00000000, 0x00040004, |
0x10002004, 0x00042004, 0x10042000, 0x10000004, |
0x10000000, 0x00040000, 0x00002004, 0x10042004, |
0x00040004, 0x10042000, 0x10002000, 0x00042004, |
0x10042004, 0x00040004, 0x10000004, 0x00000000, |
0x10000000, 0x00002004, 0x00040000, 0x10040004, |
0x00002000, 0x10000000, 0x00042004, 0x10002004, |
0x10042000, 0x00002000, 0x00000000, 0x10000004, |
0x00000004, 0x10042004, 0x00042000, 0x10040000, |
0x10040004, 0x00040000, 0x00002004, 0x10002000, |
0x10002004, 0x00000004, 0x10040000, 0x00042000, |
}, |
{ |
/* nibble 2 */ |
0x41000000, 0x01010040, 0x00000040, 0x41000040, |
0x40010000, 0x01000000, 0x41000040, 0x00010040, |
0x01000040, 0x00010000, 0x01010000, 0x40000000, |
0x41010040, 0x40000040, 0x40000000, 0x41010000, |
0x00000000, 0x40010000, 0x01010040, 0x00000040, |
0x40000040, 0x41010040, 0x00010000, 0x41000000, |
0x41010000, 0x01000040, 0x40010040, 0x01010000, |
0x00010040, 0x00000000, 0x01000000, 0x40010040, |
0x01010040, 0x00000040, 0x40000000, 0x00010000, |
0x40000040, 0x40010000, 0x01010000, 0x41000040, |
0x00000000, 0x01010040, 0x00010040, 0x41010000, |
0x40010000, 0x01000000, 0x41010040, 0x40000000, |
0x40010040, 0x41000000, 0x01000000, 0x41010040, |
0x00010000, 0x01000040, 0x41000040, 0x00010040, |
0x01000040, 0x00000000, 0x41010000, 0x40000040, |
0x41000000, 0x40010040, 0x00000040, 0x01010000, |
}, |
{ |
/* nibble 3 */ |
0x00100402, 0x04000400, 0x00000002, 0x04100402, |
0x00000000, 0x04100000, 0x04000402, 0x00100002, |
0x04100400, 0x04000002, 0x04000000, 0x00000402, |
0x04000002, 0x00100402, 0x00100000, 0x04000000, |
0x04100002, 0x00100400, 0x00000400, 0x00000002, |
0x00100400, 0x04000402, 0x04100000, 0x00000400, |
0x00000402, 0x00000000, 0x00100002, 0x04100400, |
0x04000400, 0x04100002, 0x04100402, 0x00100000, |
0x04100002, 0x00000402, 0x00100000, 0x04000002, |
0x00100400, 0x04000400, 0x00000002, 0x04100000, |
0x04000402, 0x00000000, 0x00000400, 0x00100002, |
0x00000000, 0x04100002, 0x04100400, 0x00000400, |
0x04000000, 0x04100402, 0x00100402, 0x00100000, |
0x04100402, 0x00000002, 0x04000400, 0x00100402, |
0x00100002, 0x00100400, 0x04100000, 0x04000402, |
0x00000402, 0x04000000, 0x04000002, 0x04100400, |
}, |
{ |
/* nibble 4 */ |
0x02000000, 0x00004000, 0x00000100, 0x02004108, |
0x02004008, 0x02000100, 0x00004108, 0x02004000, |
0x00004000, 0x00000008, 0x02000008, 0x00004100, |
0x02000108, 0x02004008, 0x02004100, 0x00000000, |
0x00004100, 0x02000000, 0x00004008, 0x00000108, |
0x02000100, 0x00004108, 0x00000000, 0x02000008, |
0x00000008, 0x02000108, 0x02004108, 0x00004008, |
0x02004000, 0x00000100, 0x00000108, 0x02004100, |
0x02004100, 0x02000108, 0x00004008, 0x02004000, |
0x00004000, 0x00000008, 0x02000008, 0x02000100, |
0x02000000, 0x00004100, 0x02004108, 0x00000000, |
0x00004108, 0x02000000, 0x00000100, 0x00004008, |
0x02000108, 0x00000100, 0x00000000, 0x02004108, |
0x02004008, 0x02004100, 0x00000108, 0x00004000, |
0x00004100, 0x02004008, 0x02000100, 0x00000108, |
0x00000008, 0x00004108, 0x02004000, 0x02000008, |
}, |
{ |
/* nibble 5 */ |
0x20000010, 0x00080010, 0x00000000, 0x20080800, |
0x00080010, 0x00000800, 0x20000810, 0x00080000, |
0x00000810, 0x20080810, 0x00080800, 0x20000000, |
0x20000800, 0x20000010, 0x20080000, 0x00080810, |
0x00080000, 0x20000810, 0x20080010, 0x00000000, |
0x00000800, 0x00000010, 0x20080800, 0x20080010, |
0x20080810, 0x20080000, 0x20000000, 0x00000810, |
0x00000010, 0x00080800, 0x00080810, 0x20000800, |
0x00000810, 0x20000000, 0x20000800, 0x00080810, |
0x20080800, 0x00080010, 0x00000000, 0x20000800, |
0x20000000, 0x00000800, 0x20080010, 0x00080000, |
0x00080010, 0x20080810, 0x00080800, 0x00000010, |
0x20080810, 0x00080800, 0x00080000, 0x20000810, |
0x20000010, 0x20080000, 0x00080810, 0x00000000, |
0x00000800, 0x20000010, 0x20000810, 0x20080800, |
0x20080000, 0x00000810, 0x00000010, 0x20080010, |
}, |
{ |
/* nibble 6 */ |
0x00001000, 0x00000080, 0x00400080, 0x00400001, |
0x00401081, 0x00001001, 0x00001080, 0x00000000, |
0x00400000, 0x00400081, 0x00000081, 0x00401000, |
0x00000001, 0x00401080, 0x00401000, 0x00000081, |
0x00400081, 0x00001000, 0x00001001, 0x00401081, |
0x00000000, 0x00400080, 0x00400001, 0x00001080, |
0x00401001, 0x00001081, 0x00401080, 0x00000001, |
0x00001081, 0x00401001, 0x00000080, 0x00400000, |
0x00001081, 0x00401000, 0x00401001, 0x00000081, |
0x00001000, 0x00000080, 0x00400000, 0x00401001, |
0x00400081, 0x00001081, 0x00001080, 0x00000000, |
0x00000080, 0x00400001, 0x00000001, 0x00400080, |
0x00000000, 0x00400081, 0x00400080, 0x00001080, |
0x00000081, 0x00001000, 0x00401081, 0x00400000, |
0x00401080, 0x00000001, 0x00001001, 0x00401081, |
0x00400001, 0x00401080, 0x00401000, 0x00001001, |
}, |
{ |
/* nibble 7 */ |
0x08200020, 0x08208000, 0x00008020, 0x00000000, |
0x08008000, 0x00200020, 0x08200000, 0x08208020, |
0x00000020, 0x08000000, 0x00208000, 0x00008020, |
0x00208020, 0x08008020, 0x08000020, 0x08200000, |
0x00008000, 0x00208020, 0x00200020, 0x08008000, |
0x08208020, 0x08000020, 0x00000000, 0x00208000, |
0x08000000, 0x00200000, 0x08008020, 0x08200020, |
0x00200000, 0x00008000, 0x08208000, 0x00000020, |
0x00200000, 0x00008000, 0x08000020, 0x08208020, |
0x00008020, 0x08000000, 0x00000000, 0x00208000, |
0x08200020, 0x08008020, 0x08008000, 0x00200020, |
0x08208000, 0x00000020, 0x00200020, 0x08008000, |
0x08208020, 0x00200000, 0x08200000, 0x08000020, |
0x00208000, 0x00008020, 0x08008020, 0x08200000, |
0x00000020, 0x08208000, 0x00208020, 0x00000000, |
0x08000000, 0x08200020, 0x00008000, 0x00208020 |
} |
}; |
|
private static final int cov_2char[] = |
{ |
0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, |
0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, |
0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, |
0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, |
0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x61, 0x62, |
0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, |
0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72, |
0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A |
}; |
|
private static final int byteToUnsigned(byte b) |
{ |
int value = (int)b; |
|
return(value >= 0 ? value : value + 256); |
} |
|
private static int fourBytesToInt(byte b[], int offset) |
{ |
int value; |
|
value = byteToUnsigned(b[offset++]); |
value |= (byteToUnsigned(b[offset++]) << 8); |
value |= (byteToUnsigned(b[offset++]) << 16); |
value |= (byteToUnsigned(b[offset++]) << 24); |
|
return(value); |
} |
|
private static final void intToFourBytes(int iValue, byte b[], int offset) |
{ |
b[offset++] = (byte)((iValue) & 0xff); |
b[offset++] = (byte)((iValue >>> 8 ) & 0xff); |
b[offset++] = (byte)((iValue >>> 16) & 0xff); |
b[offset++] = (byte)((iValue >>> 24) & 0xff); |
} |
|
private static final void PERM_OP(int a, int b, int n, int m, int results[]) |
{ |
int t; |
|
t = ((a >>> n) ^ b) & m; |
a ^= t << n; |
b ^= t; |
|
results[0] = a; |
results[1] = b; |
} |
|
private static final int HPERM_OP(int a, int n, int m) |
{ |
int t; |
|
t = ((a << (16 - n)) ^ a) & m; |
a = a ^ t ^ (t >>> (16 - n)); |
|
return(a); |
} |
|
private static int [] des_set_key(byte key[]) |
{ |
int schedule[] = new int[ITERATIONS * 2]; |
|
int c = fourBytesToInt(key, 0); |
int d = fourBytesToInt(key, 4); |
|
int results[] = new int[2]; |
|
PERM_OP(d, c, 4, 0x0f0f0f0f, results); |
d = results[0]; c = results[1]; |
|
c = HPERM_OP(c, -2, 0xcccc0000); |
d = HPERM_OP(d, -2, 0xcccc0000); |
|
PERM_OP(d, c, 1, 0x55555555, results); |
d = results[0]; c = results[1]; |
|
PERM_OP(c, d, 8, 0x00ff00ff, results); |
c = results[0]; d = results[1]; |
|
PERM_OP(d, c, 1, 0x55555555, results); |
d = results[0]; c = results[1]; |
|
d = (((d & 0x000000ff) << 16) | (d & 0x0000ff00) | |
((d & 0x00ff0000) >>> 16) | ((c & 0xf0000000) >>> 4)); |
c &= 0x0fffffff; |
|
int s, t; |
int j = 0; |
|
for(int i = 0; i < ITERATIONS; i ++) |
{ |
if(shifts2[i]) |
{ |
c = (c >>> 2) | (c << 26); |
d = (d >>> 2) | (d << 26); |
} |
else |
{ |
c = (c >>> 1) | (c << 27); |
d = (d >>> 1) | (d << 27); |
} |
|
c &= 0x0fffffff; |
d &= 0x0fffffff; |
|
s = skb[0][ (c ) & 0x3f ]| |
skb[1][((c >>> 6) & 0x03) | ((c >>> 7) & 0x3c)]| |
skb[2][((c >>> 13) & 0x0f) | ((c >>> 14) & 0x30)]| |
skb[3][((c >>> 20) & 0x01) | ((c >>> 21) & 0x06) | |
((c >>> 22) & 0x38)]; |
|
t = skb[4][ (d ) & 0x3f ]| |
skb[5][((d >>> 7) & 0x03) | ((d >>> 8) & 0x3c)]| |
skb[6][ (d >>>15) & 0x3f ]| |
skb[7][((d >>>21) & 0x0f) | ((d >>> 22) & 0x30)]; |
|
schedule[j++] = ((t << 16) | (s & 0x0000ffff)) & 0xffffffff; |
s = ((s >>> 16) | (t & 0xffff0000)); |
|
s = (s << 4) | (s >>> 28); |
schedule[j++] = s & 0xffffffff; |
} |
return(schedule); |
} |
|
private static final int D_ENCRYPT |
( |
int L, int R, int S, int E0, int E1, int s[] |
) |
{ |
int t, u, v; |
|
v = R ^ (R >>> 16); |
u = v & E0; |
v = v & E1; |
u = (u ^ (u << 16)) ^ R ^ s[S]; |
t = (v ^ (v << 16)) ^ R ^ s[S + 1]; |
t = (t >>> 4) | (t << 28); |
|
L ^= SPtrans[1][(t ) & 0x3f] | |
SPtrans[3][(t >>> 8) & 0x3f] | |
SPtrans[5][(t >>> 16) & 0x3f] | |
SPtrans[7][(t >>> 24) & 0x3f] | |
SPtrans[0][(u ) & 0x3f] | |
SPtrans[2][(u >>> 8) & 0x3f] | |
SPtrans[4][(u >>> 16) & 0x3f] | |
SPtrans[6][(u >>> 24) & 0x3f]; |
|
return(L); |
} |
|
private static final int [] body(int schedule[], int Eswap0, int Eswap1) |
{ |
int left = 0; |
int right = 0; |
int t = 0; |
|
for(int j = 0; j < 25; j ++) |
{ |
for(int i = 0; i < ITERATIONS * 2; i += 4) |
{ |
left = D_ENCRYPT(left, right, i, Eswap0, Eswap1, schedule); |
right = D_ENCRYPT(right, left, i + 2, Eswap0, Eswap1, schedule); |
} |
t = left; |
left = right; |
right = t; |
} |
|
t = right; |
|
right = (left >>> 1) | (left << 31); |
left = (t >>> 1) | (t << 31); |
|
left &= 0xffffffff; |
right &= 0xffffffff; |
|
int results[] = new int[2]; |
|
PERM_OP(right, left, 1, 0x55555555, results); |
right = results[0]; left = results[1]; |
|
PERM_OP(left, right, 8, 0x00ff00ff, results); |
left = results[0]; right = results[1]; |
|
PERM_OP(right, left, 2, 0x33333333, results); |
right = results[0]; left = results[1]; |
|
PERM_OP(left, right, 16, 0x0000ffff, results); |
left = results[0]; right = results[1]; |
|
PERM_OP(right, left, 4, 0x0f0f0f0f, results); |
right = results[0]; left = results[1]; |
|
int out[] = new int[2]; |
|
out[0] = left; out[1] = right; |
|
return(out); |
} |
|
public static final String crypt(String salt, String original) |
{ |
while(salt.length() < 2) |
salt += "A"; |
|
StringBuffer buffer = new StringBuffer(" "); |
|
char charZero = salt.charAt(0); |
char charOne = salt.charAt(1); |
|
buffer.setCharAt(0, charZero); |
buffer.setCharAt(1, charOne); |
|
int Eswap0 = con_salt[(int)charZero]; |
int Eswap1 = con_salt[(int)charOne] << 4; |
|
byte key[] = new byte[8]; |
|
for(int i = 0; i < key.length; i ++) |
key[i] = (byte)0; |
|
for(int i = 0; i < key.length && i < original.length(); i ++) |
{ |
int iChar = (int)original.charAt(i); |
|
key[i] = (byte)(iChar << 1); |
} |
|
int schedule[] = des_set_key(key); |
int out[] = body(schedule, Eswap0, Eswap1); |
|
byte b[] = new byte[9]; |
|
intToFourBytes(out[0], b, 0); |
intToFourBytes(out[1], b, 4); |
b[8] = 0; |
|
for(int i = 2, y = 0, u = 0x80; i < 13; i ++) |
{ |
for(int j = 0, c = 0; j < 6; j ++) |
{ |
c <<= 1; |
|
if(((int)b[y] & u) != 0) |
c |= 1; |
|
u >>>= 1; |
|
if(u == 0) |
{ |
y++; |
u = 0x80; |
} |
buffer.setCharAt(i, (char)cov_2char[c]); |
} |
} |
return(buffer.toString()); |
} |
|
public static final String crypt(String original) |
{ |
char c1 = salt_chars.charAt((int)(Math.random() * salt_chars.length())); |
char c2 = salt_chars.charAt((int)(Math.random() * salt_chars.length())); |
return crypt("" + c1 + c2, original); |
} |
|
public static void main(String args[]) |
{ |
if(args.length >= 2) |
{ |
System.out.println |
( |
"[" + args[0] + "] [" + args[1] + "] => [" + |
DigestCrypt.crypt(args[0], args[1]) + "]" |
); |
} |
} |
} |