Реферат Курсовая Конспект
BLOWFISH - раздел Программирование, 0x80000L, 0x40000L, 0x20000L, 0x10000L, #include <math.h> #include <stdio.h> #include &...
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#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#ifdef little_endian /* Eg: Intel */
#include <alloc.h> #endif
#include <ctype.h>
#ifdef little_endian /* Eg: Intel */
#include <dir.h>
#include <bios.h> #endif
#ifdef big_endian
#include <Types.h> #endif
typedef struct {
unsigned long S[4][256],P[18]; } blf_ctx;
#define MAXKEYBYTES 56 /* 448 bits */
// #define little_endian 1 /* Eg: Intel */
#define big_endian 1 /* Eg: Motorola */
void Blowfish_encipher(blf_ctx *,unsigned long *xl, unsigned long *xr); void Blowfish_decipher(blf_ctx *,unsigned long *xl, unsigned long *xr);
#define N 16
#define noErr 0
#define DATAERROR -1
#define KEYBYTES 8
FILE* SubkeyFile;
unsigned long F(blf_ctx *bc, unsigned long x) {
unsigned short a;
unsigned short b;
unsigned short c;
unsigned short d;
unsigned long y;
d = x & 0x00FF;
x >>= 8;
c = x & 0x00FF;
x >>= 8;
b = x & 0x00FF;
x >>= 8;
a = x & 0x00FF;
//y = ((S[0][a] + S[1][b]) ^ S[2][c]) + S[3][d];
y = bc->S[0][a] + bc->S[1][b];
y = y ^ bc->S[2][c];
y = y + bc->S[3][d];
return y; }
void Blowfish_encipher(blf_ctx *c,unsigned long *xl, unsigned long *xr) {
unsigned long Xl;
unsigned long Xr;
unsigned long temp;
short i;
Xl = *xl; Xr = *xr;
for (i = 0; i < N; ++i) { Xl = Xl ^ c->P[i]; Xr = F(c,Xl) ^ Xr;
temp = Xl;
Xl = Xr; Xr = temp; }
temp = Xl; Xl = Xr; Xr = temp;
Xr = Xr ^ c->P[N];
Xl = Xl ^ c->P[N + 1];
*xl = Xl; *xr = Xr; }
void Blowfish_decipher(blf_ctx *c, unsigned long *xl, unsigned long *xr) {
unsigned long Xl;
unsigned long Xr;
unsigned long temp;
short i;
Xl = *xl; Xr = *xr;
for (i = N + 1; i > 1; --i) { Xl = Xl ^ c->P[i]; Xr = F(c,Xl) ^ Xr;
/* Exchange Xl and Xr */ temp = Xl; Xl = Xr; Xr = temp; }
/* Exchange Xl and Xr */ temp = Xl; Xl = Xr; Xr = temp;
Xr = Xr ^ c->P[1]; Xl = Xl ^ c->P[0];
*xl = Xl; *xr = Xr; }
short InitializeBlowfish(blf_ctx *c, char key[], short keybytes) {
short i;
short j;
short k;
short error;
short numread;
unsigned long data;
unsigned long datal;
unsigned long datar;
unsigned long ks0[] = {
0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99, 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e, 0x0d95748f, 0x728eb658,
0x718bcd58, 0x82154aee, 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
0xc5dlb023, 0x286085f0, 0xca417918, 0xb8db38ef, 0x8e79dcb0, 0x603al80e,
0x6c9e0e8b, 0xb01e8a3e, 0xd71577cl, 0xbd314b27, 0x78af2fda, 0x55605c60,
0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440, 0x55ca396a, 0x2aabl0b6,
0xb4cc5c34, 0xll41e8ce, 0xal5486af, 0x7c72e993, 0xb3eel411, 0x636fbc2a,
0x2ba9c55d, 0x741831f6, 0xce5c3el6, 0x9b87931e, 0xafd6ba33, 0x6c24cf5c,
0x7a325381, 0x28958677, 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193,
0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, 0xef845d5d, 0xe98575bl,
0xdc262302, 0xeb651b88, 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239,
0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9elf9b5e, 0x21c66842, 0xf6e96c9a,
0x670c9c61, 0xabd388f0, 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3,
0x6eef0b6c, 0xl37a3be4, 0xba3bf050, 0x7efb2a98, 0xalfl651d, 0x39af0176,
0x66ca593e, 0x82430e88, 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe,
0xe06f75d8, 0x85cl2073, 0x401a449f, 0x56cl6aa6, 0x4ed3aa62, 0x363f7706,
0xlbfedf72, 0x429b023d, 0x37d0d724, 0xd00al248, 0xdb0fead3, 0x49flc09b,
0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7, 0xe3fe501a, 0xb6794c3b,
0x976ce0bd, 0x04c006ba, 0xcla94fb6, 0x409f60c4, 0x5e5c9ec2, 0xl96a2463,
0x68fb6faf, 0x3e6c53b5, 0xl339b2eb, 0x3b52ec6f, 0x6dfc511f, 0x9b30952c,
0xcc814544, 0xaf5ebd09, 0xbee3d004, 0xde334afd, 0x660f2807, 0xl92e4bb3,
0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb, 0x5579c0bd, 0xla60320a,
0xd6al00c6, 0x402c7279, 0x679f25fe, 0xfblfa3cc, 0x8ea5e9f8, 0xdb3222f8,
0x3c7516df, 0xfd616bl5, 0x2f501ec8, 0xad0552ab, 0x323db5fa, 0xfd238760,
0x53317b48, 0x3e00df82, 0x9e5c57bb, 0xca6f8ca0, 0xla87562e, 0xdfl769db,
0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573, 0x695b27b0, 0xbbca58c8,
0xelffa35d, 0xb8f011a0, 0xl0fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2ddld35b,
0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, 0xelddf2da, 0xa4cb7e33,
0x62fbl341, 0xcee4c6e8, 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bfllfb4,
0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, 0xd08edld0, 0xafc725e0,
0x8e3c5b2f, 0x8e7594b7, 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c,
0x4fad5ea0, 0x688fc31c, 0xdlcffl91, 0xb3a8clad, 0x2f2f2218, 0xbe0el777,
0xea752dfe, 0x8b021fal, 0xe5a0cc0f, 0xb56f74e8, 0xl8acf3d6, 0xce89e299,
0xb4a84fe0, 0xfdl3e0b7, 0x7cc43b81, 0xd2ada8d9, 0xl65fa266, 0x80957705,
0x93cc7314, 0x211al477, 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf,
OxebcdafOc, 0x7b3e89a0, 0xd6411bd3, 0xaele7e49, 0x00250e2d, 0x2071b35e,
0x226800bb, 0x57b8e0af, 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa,
0x78cl4389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5, 0x83260376, 0x6295cfa9,
0xllc81968, 0x4e734a41, 0xb3472dca, 0x7bl4a94a, 0xlb510052, 0x9a532915,
0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 0x08ba6fb5, 0x571be91f,
0xf296ec6b, 0x2a0dd915, 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664,
0x53b02d5d, 0xa99f8fal, 0x08ba4799, 0x6e85076a};
unsigned long ksl[] = {
0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, 0xad6ea6b0, 0x49a7df7d,
0x9cee60b8, 0x8fedb266, 0xecaa8c71, 0x699al7ff, 0x5664526c, 0xc2bl9eel,
0xl93602a5, 0x75094c29, 0xa0591340, 0xe4183a3e, 0x3f54989a, 0x5b429d65,
0x6b8fe4d6, 0x99f73fd6, 0xald29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dcl,
0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 0x09686b3f, 0x3ebaefc9,
0x3c971814, 0x6b6a70al, 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737,
0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8, 0xb03ada37, 0xf0500c0d,
0xf01clf04, 0x0200b3ff, 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd,
0xdl9113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, 0x3ae5e581, 0x37c2dadc,
0xc8b57634, 0x9af3dda7, 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41,
0xe238cd99, 0x3bea0e2f, 0x3280bbal, 0xl83eb331, 0x4e548b38, 0x4f6db908,
0x6f420d03, 0xf60a04bf, 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af,
0xde9a771f, 0xd9930810, 0xb38bael2, 0xdccf3f2e, 0x5512721f, 0x2e6b7124,
0x501adde6, 0x9f84cd87, 0x7a584718, 0x7408dal7, 0xbc9f9abc, 0xe94b7d8c,
0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2, 0xeflcl847, 0x3215d908,
0xdd433b37, 0x24c2bal6, 0xl2al4d43, 0x2a65c451, 0x50940002, 0xl33ae4dd,
0x71dff89e, 0xl0314e55, 0x81ac77d6, 0x5flll99b, 0x043556fl, 0xd7a3c76b,
0x3clll83b, 0x5924a509, 0xf28fe6ed, 0x97flfbfa, 0x9ebabf2c, 0xlel53c6e,
0x86e34570, 0xeae96fbl, 0x860e5e0a, 0x5a3e2ab3, 0x771fe71c, 0x4e3d06fa,
0x2965dcb9, 0x99e71d0f, 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9cl0b36a,
0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0xle0a2df4, 0xf2f74ea7, 0x361d2b3d,
0xl939260f, 0xl9c27960, 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66,
0xe3bc4595, 0xa67bc883, 0xbl7f37dl, 0x018cff28, 0xc332ddef, 0xbe6c5aa5,
0x65582185, 0x68ab9802, 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,
0xl521b628, 0x29076170, 0xecdd4775, 0x619fl510, 0xl3cca830, 0xeb61bd96,
0x0334fele, 0xaa0363cf, 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaadel4,
0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e, 0x648bleaf, 0xl9bdf0ca,
0xa02369b9, 0x655abb50, 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7,
0x9b540bl9, 0x875fa099, 0x95f7997e, 0x623d7da8, 0xf837889a, 0x97e32d77,
0xlled935f, 0x16681281, 0x0e358829, 0xc7e61fd6, 0x96dedfal, 0x7858ba99,
0x57f584a5, 0xlb227263, 0x9b83c3ff, 0xlac24696, 0xcdb30aeb, 0x532e3054,
0x8fd948e4, 0x6dbc3128, 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73,
0x5d4al4d9, 0xe864b7e3, 0x42105dl4, 0х203е13е0, 0х45еее2Ь6, ОхаЗаааЬеа,
0xdb6c4fl5, 0xfacb4fd0, 0xc742f442, 0xef6abbb5, 0x654f3bld, 0x41cd2105,
0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250, 0xcf62alf2, 0x5b8d2646,
0xfc8883a0, 0xclc7b6a3, 0x7fl524c3, 0x69cb7492, 0x47848a0b, 0x5692b285,
0x095bbf00, 0xadl9489d, 0xl462bl74, 0x23820e00, 0x58428d2a, 0x0c55f5ea,
0xldadf43e, 0x233f7061, 0x3372f092, 0x8d937e41, 0xd65fecfl, 0x6c223bdb,
0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e, 0xa6078084, 0xl9f8509e,
0xe8efd855, 0x61d99735, 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc,
0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0ele9ec9, 0xdb73dbd3, 0xl05588cd,
0x675fda79, 0xe3674340, 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xfl6dff20,
0xl53e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7};
unsigned long ks2[] = {
0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, 0x411520f7, 0x7602d4f7,
0xbcf46b2e, 0xd4a20068, 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af,
0xle39f62e, 0x97244546, 0xl4214f74, 0xbf8b8840, 0x4d95fcld, 0x96b591af,
0x70f4ddd3, 0x66a02f45, 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504,
0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, 0x28507825, 0x530429f4,
0x0a2c86da, 0xe9b66dfb, 0x68dcl462, 0xd7486900, 0x680ec0a4, 0x27al8dee,
0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6, 0xaacele7c, 0xd3375fec,
0xce78a399, 0x406b2a42, 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3bl24e8b,
0xldc9faf7, 0x4b6dl856, 0x26a36631, 0xeae397b2, 0x3a6efa74, 0xdd5b4332,
0x6841e7f7, 0xca7820fb, 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527,
0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b, 0x55a867bc, 0xall59a58,
0xcca92963, 0x99eldb33, 0xa62a4a56, 0x3f3125f9, 0x5ef47elc, 0x9029317c,
0xfdf8e802, 0x04272f70, 0x80bbl55c, 0x05282ce3, 0x95cll548, 0xe4c66d22,
0x48cll33f, 0xc70f86dc, 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886el7,
0x325f51eb, 0xd59bc0dl, 0xf2bccl8f, 0x41113564, 0x257b7834, 0x602a9c60,
0xdff8e8a3, 0xlf636clb, 0x0el2b4c2, 0x02el329e, 0xaf664fdl, 0xcadl8115,
0x6b2395e0, 0x333e92el, 0x3b240b62, 0xeebeb922, 0x85b2a20e, 0xe6ba0d99,
0xde720c8c, 0x2da2f728, 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0,
0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8dle, 0x0a476341, 0x992eff74,
0x3a6f6eab, 0xf4f8fd37, 0xa812dc60, 0xalebddf8, 0x991bel4c, 0xdb6e6b0d,
0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, 0xfl290dc7, 0xcc00ffa3,
0xb5390f92, 0x690fed0b, 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3,
0xbbl32f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb, 0x37392eb3, 0xccll5979,
0x8026e297, 0xf42e312d, 0x6842ada7, 0xc66a2b3b, 0xl2754ccc, 0x782efllc,
0x6al24237, 0xb79251e7, 0x06albbe6, 0x4bfb6350, 0xla6bl018, Oxllcaedfa,
0x3d25bdd8, 0xe2elc3c9, 0x44421659, 0x0al21386, 0xd90cec6e, 0xd5abea2a,
0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe, 0x9dbc8057, 0xf0f7c086,
0x60787bf8, 0x6003604d, 0xdlfd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,
0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 0x77a057be, 0xbde8ae24,
0x55464299, 0xbf582e61, 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2,
0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9, 0x7aeb2661, 0x8blddf84,
0x846a0e79, 0x915f95e2, 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c,
0xb90bacel, 0xbb8205d0, 0xlla86248, 0x7574a99e, 0xb77fl9b6, 0xe0a9dc09,
0x662d09al, 0xc4324633, 0xe85alf02, 0x09f0be8c, 0x4a99a025, 0xld6efel0,
0xlab93dld, 0x0ba5a4df, 0xal86f20f, 0x2868fl69, 0xdcb7da83, 0x573906fe,
0xale2ce9b, 0x4fcd7f52, 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027,
0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, 0xf0177a28, 0xc0f586e0,
0x006058aa, 0x30dc7d62, 0xlle69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634,
0xbbcbee56, 0x90bcb6de, 0xebfc7dal, 0xce591d76, 0x6f05e409, 0x4b7c0188,
0x39720a3d, 0x7c927c24, 0x86e3725f, 0x724d9db9, 0xlacl5bb4, 0xd39eb8fc,
0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, 0xle50ef5e, 0xbl61e6f8,
0xa28514d9, 0x6c51133c, 0x6fd5c7e7, 0x56el4ec4, 0x362abfce, 0xddc6c837,
0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0};
unsigned long ks3[] = {
0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52dlb, 0x5cb0679e, 0x4fa33742,
0xd3822740, 0x99bc9bbe, 0xd5118e9d, 0xbf0f7315, 0xd62dlc7e, 0xc700c47b,
0xb78clb6b, 0x21al9045, 0xb26eblbe, 0x6a366eb4, 0x5748ab2f, 0xbc946e79,
0xc6a376d2, 0x6549c2c8, 0x530ff8ee, 0x468dde7d, 0xd5730ald, 0x4cd04dc6,
0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, 0xalfad5f0, 0x6a2d519a,
0x63ef8ce2, 0x9a86ee22, 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4,
0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6, 0x2826a2f9, 0xa73a3ael,
0x4ba99586, 0xef5562e9, 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59,
0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, 0xe990fd5a, 0x9e34d797,
0x2cf0b7d9, 0x022b8b51, 0x96d5ac3a, 0x017da67d, 0xdlcf3ed6, 0x7c7d2d28,
0xlf9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c, 0xe029ac71, 0xe019a5e6,
0x47b0acfd, 0xed93fa9b, 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,
0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 0xl5056dd4, 0x88f46dba,
0x03al6125, 0x0564f0bd, 0xc3eb9el5, 0x3c9057a2, 0x97271aec, 0xa93a072a,
0xlb3f6d9b, 0xle6321f5, 0xf59c66fb, 0x26dcf319, 0x7533d928, 0xbl55fdf5,
0x03563482, 0x8aba3cbb, 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f,
0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, 0xea7a90c2, 0xfb3e7bce,
0x5121ce64, 0x774fbe32, 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680,
0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166, 0xb39a460a, 0x6445c0dd,
0x586cdecf, 0xlc20c8ae, 0x5bbef7dd, 0xlb588d40, 0xccd2017f, 0x6bb4e3bb,
0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, 0x72eacea8, 0xfa6484bb,
0x8d6612ae, 0xbf3c6f47, 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370,
0x740e0d8d, 0xe75bl357, 0xf8721671, 0xaf537d5d, 0x4040cb08, 0x4eb4e2cc,
0x34d2466a, 0x0115af84, 0xelb00428, 0x95983ald, 0x06b89fb4, 0xce6ea048,
0x6f3f3b82, 0x3520ab82, 0x011ald4b, 0x277227f8, 0x611560bl, 0xe7933fdc,
0xbb3a792b, 0x344525bd, 0xa08839el, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9,
0xe01cc87e, 0xbcc7dlf6, 0xcf0111c3, 0xale8aac7, 0xla908749, 0xd44fbd9a,
OxdOdadecb, 0xd50ada38, 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0bl2b4f,
0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, 0xbf97222c, 0xl5e6fc2a,
0x0f91fc71, 0x9b941525, 0xfae59361, 0xceb69ceb, 0xc2a86459, 0xl2baa8dl,
0xb6cl075e, 0xe3056a0c, 0xl0d25065, 0xcb03a442, ОхеОесбеОе, 0xl698db3b,
0x4c98a0be, 0x3278e964, 0x9flf9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,
0xlb0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 0xdf359f8d, 0x9b992f2e,
0xe60b6f47, 0x0fe3flld, 0xe54cda54, 0xledad891, 0xce6279cf, 0xcd3e7e6f,
0xl618bl66, 0xfd2cld05, 0x848fd2c5, 0xf6fb2299, 0xf523f357, 0xa6327623,
0x93a83531, 0x56cccd02, 0xacf08162, 0x5a75ebb5, 0x6el63697, 0x88d273cc,
0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, 0xe6c6c7bd, 0x327al40a,
0x45eld006, 0xc3f27b9a, 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6,
0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b, 0x53113ec0, 0xl640e3d3,
0x38abbd60, 0x2547adf0, 0xba38209c, 0xf746ce76, 0x77afalc5, 0x20756060,
0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, 0xl948c25c, 0x02fb8a8c,
0x01c36ae4, 0xd6ebelf9, 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f,
0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6};
/* Initialize s-boxes without file read. V for(i=0;i<256;i++){
c->S[0][i] = ks0[i]; c->S[l][i] = ksl[i]; c->S[2][i] = ks2[i]; c->S[3][i] = ks3[i]; }
j = 0;
for (i = 0; i < N + 2; ++i) {
data = 0x00000000;
for (k = 0; k < 4; ++k) {
data = (data « 8) | key[j];
j = j + 1;
if (j >= keybytes) {
j = 0; } } c->P[i] = c->P[i] л data; }
datal = 0x00000000; datar = 0x00000000;
for (i = 0; i < N + 2; i += 2) {
Blowfish_encipher(c,Sdatal, Sdatar);
c->P[i] = datal; c->P[i + 1] = datar; }
for (i = 0; i < 4; ++i) {
for (j = 0; j < 256; j += 2) {
Blowfish_encipher(c,Sdatal, Sdatar);
c->S[i][j] = datal; c->S[i][j + 1] = datar;
}
}
void blf_key(blf_ctx *c, char *k, int len){
InitializeBlowfish(c,k,len); }
void blf_enc(blf_ctx *c, unsigned long *data, int blocks){ unsigned long *d; int i;
d = data; for(i=0;i<blocks;i++){
Blowfish_encipher(c,d,d+1);
d += 2; } }
void blf_dec(blf_ctx *c, unsigned long *data, int blocks){ unsigned long *d; int i;
d = data; for(i=0;i<blocks;i++){
Blowfish_decipher(c,d,d+1);
d += 2; } }
void main(void){
blf_ctx c; char key[]="AAAAA"; unsigned long data[10]; int i;
for(i=0;i<10;i++) data[i] = i;
blf_key(&c,key,5); blf_enc(&c,data,5); blf_dec(&c,data,l); blf_dec(&c,data+2,4);
for(i=0;i<10;i+=2) printf("Block %01d decrypts to: %081x %081x.n",
i/2,data[i],data[i+l]); }
– Конец работы –
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