рефераты конспекты курсовые дипломные лекции шпоры

Реферат Курсовая Конспект

BLOWFISH

BLOWFISH - раздел Программирование, 0x80000L, 0x40000L, 0x20000L, 0x10000L, #include <math.h> #include <stdio.h> #include &...

#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 –

Эта тема принадлежит разделу:

0x80000L, 0x40000L, 0x20000L, 0x10000L,

На сайте allrefs.net читайте: 0x80000L, 0x40000L, 0x20000L, 0x10000L,...

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