BlowFish嘗試(請夜月兄見諒) - Delphi源程式 (14千字)
主要參考資料是:
看雪的《Crack Tutorial 2001》中“夜月”兄的一章
bbbsl的《Details for Blowfish》(專門給我提供的一篇)
===================================================
//密碼編制表
const
pBOX: array[1..18] of LongWord =
($243f6a88, $85a308d3,
$13198a2e, $03707344, $a4093822, $299f31d0,
$082efa98, $ec4e6c89,
$452821e6, $38d01377, $be5466cf, $34e90c6c,
$c0ac29b7, $c97c50dd,
$3f84d5b5, $b5470917, $9216d5d9, $8979fb1b);
sBox: array[1..4, 1..256]
of LongWord =
(($d1310ba6, $98dfb5ac, $2ffd72db, $d01adfb7, $b8e1afed,
$6a267e96,
$ba7c9045, $f12c7f99, $24a19947, $b3916cf7, $0801f2e2,
$858efc16,
$636920d8, $71574e69, $a458fea3, $f4933d7e, $0d95748f,
$728eb658,
$718bcd58, $82154aee, $7b54a41d, $c25a59b5, $9c30d539,
$2af26013,
$c5d1b023, $286085f0, $ca417918, $b8db38ef, $8e79dcb0,
$603a180e,
$6c9e0e8b, $b01e8a3e, $d71577c1, $bd314b27, $78af2fda,
$55605c60,
$e65525f3, $aa55ab94, $57489862, $63e81440, $55ca396a,
$2aab10b6,
$b4cc5c34, $1141e8ce, $a15486af, $7c72e993, $b3ee1411,
$636fbc2a,
$2ba9c55d, $741831f6, $ce5c3e16, $9b87931e, $afd6ba33,
$6c24cf5c,
$7a325381, $28958677, $3b8f4898, $6b4bb9af, $c4bfe81b,
$66282193,
$61d809cc, $fb21a991, $487cac60, $5dec8032, $ef845d5d,
$e98575b1,
$dc262302, $eb651b88, $23893e81, $d396acc5, $0f6d6ff3,
$83f44239,
$2e0b4482, $a4842004, $69c8f04a, $9e1f9b5e, $21c66842,
$f6e96c9a,
$670c9c61, $abd388f0, $6a51a0d2, $d8542f68, $960fa728,
$ab5133a3,
$6eef0b6c, $137a3be4, $ba3bf050, $7efb2a98, $a1f1651d,
$39af0176,
$66ca593e, $82430e88, $8cee8619, $456f9fb4, $7d84a5c3,
$3b8b5ebe,
$e06f75d8, $85c12073, $401a449f, $56c16aa6, $4ed3aa62,
$363f7706,
$1bfedf72, $429b023d, $37d0d724, $d00a1248, $db0fead3,
$49f1c09b,
$075372c9, $80991b7b, $25d479d8, $f6e8def7, $e3fe501a,
$b6794c3b,
$976ce0bd, $04c006ba, $c1a94fb6, $409f60c4, $5e5c9ec2,
$196a2463,
$68fb6faf, $3e6c53b5, $1339b2eb, $3b52ec6f, $6dfc511f,
$9b30952c,
$cc814544, $af5ebd09, $bee3d004, $de334afd, $660f2807,
$192e4bb3,
$c0cba857, $45c8740f, $d20b5f39, $b9d3fbdb, $5579c0bd,
$1a60320a,
$d6a100c6, $402c7279, $679f25fe, $fb1fa3cc, $8ea5e9f8,
$db3222f8,
$3c7516df, $fd616b15, $2f501ec8, $ad0552ab, $323db5fa,
$fd238760,
$53317b48, $3e00df82, $9e5c57bb, $ca6f8ca0, $1a87562e,
$df1769db,
$d542a8f6, $287effc3, $ac6732c6, $8c4f5573, $695b27b0,
$bbca58c8,
$e1ffa35d, $b8f011a0, $10fa3d98, $fd2183b8, $4afcb56c,
$2dd1d35b,
$9a53e479, $b6f84565, $d28e49bc, $4bfb9790, $e1ddf2da,
$a4cb7e33,
$62fb1341, $cee4c6e8, $ef20cada, $36774c01, $d07e9efe,
$2bf11fb4,
$95dbda4d, $ae909198, $eaad8e71, $6b93d5a0, $d08ed1d0,
$afc725e0,
$8e3c5b2f, $8e7594b7, $8ff6e2fb, $f2122b64, $8888b812,
$900df01c,
$4fad5ea0, $688fc31c, $d1cff191, $b3a8c1ad, $2f2f2218,
$be0e1777,
$ea752dfe, $8b021fa1, $e5a0cc0f, $b56f74e8, $18acf3d6,
$ce89e299,
$b4a84fe0, $fd13e0b7, $7cc43b81, $d2ada8d9, $165fa266,
$80957705,
$93cc7314, $211a1477, $e6ad2065, $77b5fa86, $c75442f5,
$fb9d35cf,
$ebcdaf0c, $7b3e89a0, $d6411bd3, $ae1e7e49, $00250e2d,
$2071b35e,
$226800bb, $57b8e0af, $2464369b, $f009b91e, $5563911d,
$59dfa6aa,
$78c14389, $d95a537f, $207d5ba2, $02e5b9c5, $83260376,
$6295cfa9,
$11c81968, $4e734a41, $b3472dca, $7b14a94a, $1b510052,
$9a532915,
$d60f573f, $bc9bc6e4, $2b60a476, $81e67400, $08ba6fb5,
$571be91f,
$f296ec6b, $2a0dd915, $b6636521, $e7b9f9b6, $ff34052e,
$c5855664,
$53b02d5d, $a99f8fa1, $08ba4799, $6e85076a),
($4b7a70e9, $b5b32944,
$db75092e, $c4192623, $ad6ea6b0,
$49a7df7d, $9cee60b8, $8fedb266,
$ecaa8c71, $699a17ff, $5664526c,
$c2b19ee1, $193602a5, $75094c29,
$a0591340, $e4183a3e, $3f54989a,
$5b429d65, $6b8fe4d6, $99f73fd6,
$a1d29c07, $efe830f5, $4d2d38e6,
$f0255dc1, $4cdd2086, $8470eb26,
$6382e9c6, $021ecc5e, $09686b3f,
$3ebaefc9, $3c971814, $6b6a70a1,
$687f3584, $52a0e286, $b79c5305,
$aa500737, $3e07841c, $7fdeae5c,
$8e7d44ec, $5716f2b8, $b03ada37,
$f0500c0d, $f01c1f04, $0200b3ff,
$ae0cf51a, $3cb574b2, $25837a58,
$dc0921bd, $d19113f9, $7ca92ff6,
$94324773, $22f54701, $3ae5e581,
$37c2dadc, $c8b57634, $9af3dda7,
$a9446146, $0fd0030e, $ecc8c73e,
$a4751e41, $e238cd99, $3bea0e2f,
$3280bba1, $183eb331, $4e548b38,
$4f6db908, $6f420d03, $f60a04bf,
$2cb81290, $24977c79, $5679b072,
$bcaf89af, $de9a771f, $d9930810,
$b38bae12, $dccf3f2e, $5512721f,
$2e6b7124, $501adde6, $9f84cd87,
$7a584718, $7408da17, $bc9f9abc,
$e94b7d8c, $ec7aec3a, $db851dfa,
$63094366, $c464c3d2, $ef1c1847,
$3215d908, $dd433b37, $24c2ba16,
$12a14d43, $2a65c451, $50940002,
$133ae4dd, $71dff89e, $10314e55,
$81ac77d6, $5f11199b, $043556f1,
$d7a3c76b, $3c11183b, $5924a509,
$f28fe6ed, $97f1fbfa, $9ebabf2c,
$1e153c6e, $86e34570, $eae96fb1,
$860e5e0a, $5a3e2ab3, $771fe71c,
$4e3d06fa, $2965dcb9, $99e71d0f,
$803e89d6, $5266c825, $2e4cc978,
$9c10b36a, $c6150eba, $94e2ea78,
$a5fc3c53, $1e0a2df4, $f2f74ea7,
$361d2b3d, $1939260f, $19c27960,
$5223a708, $f71312b6, $ebadfe6e,
$eac31f66, $e3bc4595, $a67bc883,
$b17f37d1, $018cff28, $c332ddef,
$be6c5aa5, $65582185, $68ab9802,
$eecea50f, $db2f953b, $2aef7dad,
$5b6e2f84, $1521b628, $29076170,
$ecdd4775, $619f1510, $13cca830,
$eb61bd96, $0334fe1e, $aa0363cf,
$b5735c90, $4c70a239, $d59e9e0b,
$cbaade14, $eecc86bc, $60622ca7,
$9cab5cab, $b2f3846e, $648b1eaf,
$19bdf0ca, $a02369b9, $655abb50,
$40685a32, $3c2ab4b3, $319ee9d5,
$c021b8f7, $9b540b19, $875fa099,
$95f7997e, $623d7da8, $f837889a,
$97e32d77, $11ed935f, $16681281,
$0e358829, $c7e61fd6, $96dedfa1,
$7858ba99, $57f584a5, $1b227263,
$9b83c3ff, $1ac24696, $cdb30aeb,
$532e3054, $8fd948e4, $6dbc3128,
$58ebf2ef, $34c6ffea, $fe28ed61,
$ee7c3c73, $5d4a14d9, $e864b7e3,
$42105d14, $203e13e0, $45eee2b6,
$a3aaabea, $db6c4f15, $facb4fd0,
$c742f442, $ef6abbb5, $654f3b1d,
$41cd2105, $d81e799e, $86854dc7,
$e44b476a, $3d816250, $cf62a1f2,
$5b8d2646, $fc8883a0, $c1c7b6a3,
$7f1524c3, $69cb7492, $47848a0b,
$5692b285, $095bbf00, $ad19489d,
$1462b174, $23820e00, $58428d2a,
$0c55f5ea, $1dadf43e, $233f7061,
$3372f092, $8d937e41, $d65fecf1,
$6c223bdb, $7cde3759, $cbee7460,
$4085f2a7, $ce77326e, $a6078084,
$19f8509e, $e8efd855, $61d99735,
$a969a7aa, $c50c06c2, $5a04abfc,
$800bcadc, $9e447a2e, $c3453484,
$fdd56705, $0e1e9ec9, $db73dbd3,
$105588cd, $675fda79, $e3674340,
$c5c43465, $713e38d8, $3d28f89e,
$f16dff20, $153e21e7, $8fb03d4a,
$e6e39f2b, $db83adf7),
($e93d5a68, $948140f7, $f64c261c, $94692934,
$411520f7,
$7602d4f7, $bcf46b2e, $d4a20068, $d4082471, $3320f46a,
$43b7d4b7,
$500061af, $1e39f62e, $97244546, $14214f74, $bf8b8840,
$4d95fc1d,
$96b591af, $70f4ddd3, $66a02f45, $bfbc09ec, $03bd9785,
$7fac6dd0,
$31cb8504, $96eb27b3, $55fd3941, $da2547e6, $abca0a9a,
$28507825,
$530429f4, $0a2c86da, $e9b66dfb, $68dc1462, $d7486900,
$680ec0a4,
$27a18dee, $4f3ffea2, $e887ad8c, $b58ce006, $7af4d6b6,
$aace1e7c,
$d3375fec, $ce78a399, $406b2a42, $20fe9e35, $d9f385b9,
$ee39d7ab,
$3b124e8b, $1dc9faf7, $4b6d1856, $26a36631, $eae397b2,
$3a6efa74,
$dd5b4332, $6841e7f7, $ca7820fb, $fb0af54e, $d8feb397,
$454056ac,
$ba489527, $55533a3a, $20838d87, $fe6ba9b7, $d096954b,
$55a867bc,
$a1159a58, $cca92963, $99e1db33, $a62a4a56, $3f3125f9,
$5ef47e1c,
$9029317c, $fdf8e802, $04272f70, $80bb155c, $05282ce3,
$95c11548,
$e4c66d22, $48c1133f, $c70f86dc, $07f9c9ee, $41041f0f,
$404779a4,
$5d886e17, $325f51eb, $d59bc0d1, $f2bcc18f, $41113564,
$257b7834,
$602a9c60, $dff8e8a3, $1f636c1b, $0e12b4c2, $02e1329e,
$af664fd1,
$cad18115, $6b2395e0, $333e92e1, $3b240b62, $eebeb922,
$85b2a20e,
$e6ba0d99, $de720c8c, $2da2f728, $d0127845, $95b794fd,
$647d0862,
$e7ccf5f0, $5449a36f, $877d48fa, $c39dfd27, $f33e8d1e,
$0a476341,
$992eff74, $3a6f6eab, $f4f8fd37, $a812dc60, $a1ebddf8,
$991be14c,
$db6e6b0d, $c67b5510, $6d672c37, $2765d43b, $dcd0e804,
$f1290dc7,
$cc00ffa3, $b5390f92, $690fed0b, $667b9ffb, $cedb7d9c,
$a091cf0b,
$d9155ea3, $bb132f88, $515bad24, $7b9479bf, $763bd6eb,
$37392eb3,
$cc115979, $8026e297, $f42e312d, $6842ada7, $c66a2b3b,
$12754ccc,
$782ef11c, $6a124237, $b79251e7, $06a1bbe6, $4bfb6350,
$1a6b1018,
$11caedfa, $3d25bdd8, $e2e1c3c9, $44421659, $0a121386,
$d90cec6e,
$d5abea2a, $64af674e, $da86a85f, $bebfe988, $64e4c3fe,
$9dbc8057,
$f0f7c086, $60787bf8, $6003604d, $d1fd8346, $f6381fb0,
$7745ae04,
$d736fccc, $83426b33, $f01eab71, $b0804187, $3c005e5f,
$77a057be,
$bde8ae24, $55464299, $bf582e61, $4e58f48f, $f2ddfda2,
$f474ef38,
$8789bdc2, $5366f9c3, $c8b38e74, $b475f255, $46fcd9b9,
$7aeb2661,
$8b1ddf84, $846a0e79, $915f95e2, $466e598e, $20b45770,
$8cd55591,
$c902de4c, $b90bace1, $bb8205d0, $11a86248, $7574a99e,
$b77f19b6,
$e0a9dc09, $662d09a1, $c4324633, $e85a1f02, $09f0be8c,
$4a99a025,
$1d6efe10, $1ab93d1d, $0ba5a4df, $a186f20f, $2868f169,
$dcb7da83,
$573906fe, $a1e2ce9b, $4fcd7f52, $50115e01, $a70683fa,
$a002b5c4,
$0de6d027, $9af88c27, $773f8641, $c3604c06, $61a806b5,
$f0177a28,
$c0f586e0, $006058aa, $30dc7d62, $11e69ed7, $2338ea63,
$53c2dd94,
$c2c21634, $bbcbee56, $90bcb6de, $ebfc7da1, $ce591d76,
$6f05e409,
$4b7c0188, $39720a3d, $7c927c24, $86e3725f, $724d9db9,
$1ac15bb4,
$d39eb8fc, $ed545578, $08fca5b5, $d83d7cd3, $4dad0fc4,
$1e50ef5e,
$b161e6f8, $a28514d9, $6c51133c, $6fd5c7e7, $56e14ec4,
$362abfce,
$ddc6c837, $d79a3234, $92638212, $670efa8e, $406000e0),
($3a39ce37,
$d3faf5cf, $abc27737, $5ac52d1b, $5cb0679e, $4fa33742,
$d3822740,
$99bc9bbe, $d5118e9d, $bf0f7315, $d62d1c7e, $c700c47b,
$b78c1b6b,
$21a19045, $b26eb1be, $6a366eb4, $5748ab2f, $bc946e79,
$c6a376d2,
$6549c2c8, $530ff8ee, $468dde7d, $d5730a1d, $4cd04dc6,
$2939bbdb,
$a9ba4650, $ac9526e8, $be5ee304, $a1fad5f0, $6a2d519a,
$63ef8ce2,
$9a86ee22, $c089c2b8, $43242ef6, $a51e03aa, $9cf2d0a4,
$83c061ba,
$9be96a4d, $8fe51550, $ba645bd6, $2826a2f9, $a73a3ae1,
$4ba99586,
$ef5562e9, $c72fefd3, $f752f7da, $3f046f69, $77fa0a59,
$80e4a915,
$87b08601, $9b09e6ad, $3b3ee593, $e990fd5a, $9e34d797,
$2cf0b7d9,
$022b8b51, $96d5ac3a, $017da67d, $d1cf3ed6, $7c7d2d28,
$1f9f25cf,
$adf2b89b, $5ad6b472, $5a88f54c, $e029ac71, $e019a5e6,
$47b0acfd,
$ed93fa9b, $e8d3c48d, $283b57cc, $f8d56629, $79132e28,
$785f0191,
$ed756055, $f7960e44, $e3d35e8c, $15056dd4, $88f46dba,
$03a16125,
$0564f0bd, $c3eb9e15, $3c9057a2, $97271aec, $a93a072a,
$1b3f6d9b,
$1e6321f5, $f59c66fb, $26dcf319, $7533d928, $b155fdf5,
$03563482,
$8aba3cbb, $28517711, $c20ad9f8, $abcc5167, $ccad925f,
$4de81751,
$3830dc8e, $379d5862, $9320f991, $ea7a90c2, $fb3e7bce,
$5121ce64,
$774fbe32, $a8b6e37e, $c3293d46, $48de5369, $6413e680,
$a2ae0810,
$dd6db224, $69852dfd, $09072166, $b39a460a, $6445c0dd,
$586cdecf,
$1c20c8ae, $5bbef7dd, $1b588d40, $ccd2017f, $6bb4e3bb,
$dda26a7e,
$3a59ff45, $3e350a44, $bcb4cdd5, $72eacea8, $fa6484bb,
$8d6612ae,
$bf3c6f47, $d29be463, $542f5d9e, $aec2771b, $f64e6370,
$740e0d8d,
$e75b1357, $f8721671, $af537d5d, $4040cb08, $4eb4e2cc,
$34d2466a,
$0115af84, $e1b00428, $95983a1d, $06b89fb4, $ce6ea048,
$6f3f3b82,
$3520ab82, $011a1d4b, $277227f8, $611560b1, $e7933fdc,
$bb3a792b,
$344525bd, $a08839e1, $51ce794b, $2f32c9b7, $a01fbac9,
$e01cc87e,
$bcc7d1f6, $cf0111c3, $a1e8aac7, $1a908749, $d44fbd9a,
$d0dadecb,
$d50ada38, $0339c32a, $c6913667, $8df9317c, $e0b12b4f,
$f79e59b7,
$43f5bb3a, $f2d519ff, $27d9459c, $bf97222c, $15e6fc2a,
$0f91fc71,
$9b941525, $fae59361, $ceb69ceb, $c2a86459, $12baa8d1,
$b6c1075e,
$e3056a0c, $10d25065, $cb03a442, $e0ec6e0e, $1698db3b,
$4c98a0be,
$3278e964, $9f1f9532, $e0d392df, $d3a0342b, $8971f21e,
$1b0a7441,
$4ba3348c, $c5be7120, $c37632d8, $df359f8d, $9b992f2e,
$e60b6f47,
$0fe3f11d, $e54cda54, $1edad891, $ce6279cf, $cd3e7e6f,
$1618b166,
$fd2c1d05, $848fd2c5, $f6fb2299, $f523f357, $a6327623,
$93a83531,
$56cccd02, $acf08162, $5a75ebb5, $6e163697, $88d273cc,
$de966292,
$81b949d0, $4c50901b, $71c65614, $e6c6c7bd, $327a140a,
$45e1d006,
$c3f27b9a, $c9aa53fd, $62a80f00, $bb25bfe2, $35bdd2f6,
$71126905,
$b2040222, $b6cbcf7c, $cd769c2b, $53113ec0, $1640e3d3,
$38abbd60,
$2547adf0, $ba38209c, $f746ce76, $77afa1c5, $20756060,
$85cbfe4e,
$8ae88dd8, $7aaaf9b0, $4cf9aa7e, $1948c25c, $02fb8a8c,
$01c36ae4,
$d6ebe1f9, $90d4f869, $a65cdea0, $3f09252d, $c208e69f,
$b74e6132,
$ce77e25b, $578fdfe3, $3ac372e6));
var
//實際加密使用的子金鑰
Key_Boxes:
array[1..1042] of LongWord;
//BlowFish解密函式,入口、出口都是64位
function
BlowFish_DN(PT: int64): int64;
var
i: byte;
xL, xR,
tmp: LongWord;
r: int64;
begin
xL := PT shr $20;
xR := PT mod $100000000;
xR := xR xor Key_Boxes[17];
xL := xL xor Key_Boxes[18];
for i:=16 downto 1 do
begin
if i<16 then
begin
tmp := xR; xR := xL; xL := tmp;
end;
xR := BlowFish_Func(xL) xor xR;
xL := xL xor Key_Boxes[i];
end;
r := xL;
r := (r shl $20) or xR;
Result := r;
end;
//BlowFish加密函式,引數同上
function BlowFish_EN(PT:
int64): int64;
var
i: byte;
xL, xR, tmp: LongWord;
r: int64;
begin
xL := PT shr $20;
xR
:= PT mod $100000000;
for i:=1 to 16 do
begin
xL := xL xor Key_Boxes[i];
xR := BlowFish_Func(xL) xor
xR;
if i<16 then
begin
tmp := xR; xR := xL; xL := tmp;
end;
end;
xR := xR xor Key_Boxes[17];
xL := xL xor Key_Boxes[18];
r := xL;
r := (r shl $20) or xR;
Result :=
r;
end;
//BlowFish中間的運算函式,入口、出口引數都是32位
function BlowFish_Func(PT:
LongWord): LongWord;
var
a, b, c, d: byte;
begin
a := (PT and $FF000000) shr $18;
b := (PT and $00FF0000) shr $10;
c := (PT and $0000FF00) shr $8;
d := (PT and $000000FF);
Result := (((Key_Boxes[a+19] + Key_Boxes[b+19+256]) mod 4294967296)
xor Key_Boxes[c+19+512] + Key_Boxes[d+19+768]) mod 4294967296;
end;
//BlowFish的初始化,得到子金鑰,放在Key_Boxes中
procedure TForm1.BlowFish_Init(Key:
string);
var
i, j, k: integer;
tmp: LongWord;
PT: int64;
begin
FillChar(Key_Boxes, SizeOf(Key_Boxes),
0);
//變換填充P盒
j := 1;
for i:=1 to 18 do
begin
tmp := 0;
for k:=0 to 3 do
begin
tmp := (tmp shl 8) or Ord(Key[j]);
inc(j);
if j>Length(Key) then
j := 1;
end;
Key_Boxes[i] := pBox[i] xor tmp;
end;
//填充S盒
for i:=0 to 3 do
for j:=0 to 255 do
Key_Boxes[i*256+j+19]
:= sBox[i+1, j+1];
//開始連續填充
PT := 0;
for i:=1
to 521 do
begin
PT := BlowFish_EN(PT);
Key_Boxes[i*2-1] := PT shr $20;
Key_Boxes[i*2] := PT
mod $100000000;
end;
end;
===================================================
使用時候,首先用自己的金鑰初始化,生成子金鑰:
BlowFish_Init(金鑰字串);
然後把加密的資訊轉換劃分成64位數,呼叫加密過程:
BlowFish_EN(加密資訊);
(如果是解密,就呼叫BlowFish_DN(解密資訊))
這裡就得到了最後的加密結果。
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