C BIN加密

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

#ifndef DWORD

#define DWORD    unsigned int

#endif

#ifndef BYTE

#define BYTE    unsigned char

#endif

#ifndef bool

#define bool    unsigned int

#endif

#define FLASH_HW_KEY    0x08825252

#define FLASH_HW_KEY_0         ((FLASH_HW_KEY <<(32-11)) |(FLASH_HW_KEY>>11))

#define FLASH_HW_KEY_1         ((FLASH_HW_KEY <<(32-20)) |(FLASH_HW_KEY>>20))

#define FLASH_HW_KEY_2         ((FLASH_HW_KEY <<(32-26)) |(FLASH_HW_KEY>>26))

#define FLASH_HW_KEY_3         ((FLASH_HW_KEY <<(32-7)) |(FLASH_HW_KEY>>7))

DWORD cmN_BytesToDWORD(char* bytes)

{

    int i;

    DWORD value;

    value = ;

    char* tmpByte;

    //printf("cmN_BytesToDWORD %p\n", bytes);

    for(i=;i<;i++)

    {

        tmpByte = &bytes[i];

        if(tmpByte)

        {

            value |= (*tmpByte & 0xFF) <<(*i);

            //printf("%x\t ", value);

        }

    }

    return value;

}

void cmN_DWORDToBytes(char* bytes, DWORD value)

{

    int i;

    char* tmpbyte;

    for(i=;i<;i++)

    {

        tmpbyte = &bytes[i];

        *tmpbyte = (BYTE)(value >> (*i)) & 0xFF;

    }

}

bool cmN_GetBitFromDword(DWORD data, BYTE i)

{

    if( (data>>i)& )

        return ;

    else

        return ;

}

DWORD Mix_0(DWORD data)

{

    return ( (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<) );

}

DWORD Mix_1(DWORD data)

{

    return ( (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<) );

}

DWORD Mix_2(DWORD data)

{

    return ( (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<) );

}

DWORD Mix_3(DWORD data)

{

    return ( (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<) );

}

DWORD unMix_0(DWORD data)

{

    return ( (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<) );

}

DWORD unMix_1(DWORD data)

{

    return ( (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<) );

}

DWORD unMix_2(DWORD data)

{

    return ( (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<) );

}

DWORD unMix_3(DWORD data)

{

    return ( (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

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            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<)

            | (cmN_GetBitFromDword(data, )<<) );

}

void hwEncodeRawDataForFlash(char * pChar, DWORD length, DWORD ref_address)

{

    DWORD tmplength=;

    DWORD in_data, data_add, pre_xor_data, out_data;

    BYTE type;

    //to handle for each DWORD

    while( tmplength < length)

    {

        //printf("tmplength %d\n", tmplength);

        in_data = cmN_BytesToDWORD(pChar);

        data_add = in_data + FLASH_HW_KEY;

        type = (BYTE)(ref_address>>) & 0x03;

        if(type==)

        {

            pre_xor_data = Mix_0(data_add);

            out_data = pre_xor_data^FLASH_HW_KEY_0;

            cmN_DWORDToBytes(pChar, out_data);

        }

        else if(type==)

        {

            pre_xor_data = Mix_1(data_add);

            out_data = pre_xor_data^FLASH_HW_KEY_1;

            cmN_DWORDToBytes(pChar, out_data);

        }

        else if(type==)

        {

            pre_xor_data = Mix_2(data_add);

            out_data = pre_xor_data^FLASH_HW_KEY_2;

            cmN_DWORDToBytes(pChar, out_data);

        }

        else if(type==)

        {

            pre_xor_data = Mix_3(data_add);

            out_data = pre_xor_data^FLASH_HW_KEY_3;

            cmN_DWORDToBytes(pChar, out_data);

        }

        ref_address += ;

        pChar += ;

        tmplength += ;

    }

    pChar -= tmplength;

}

void hwDecodeRawDataForFlash(char * pChar, DWORD length, DWORD ref_address)

{

    DWORD tmplength=;

    DWORD in_data, pre_xor_data, out_data;

    BYTE type;

    while( tmplength < length)

    {

        in_data = cmN_BytesToDWORD(pChar);

        type = (BYTE)(ref_address>>) & 0x03;

        if(type==)

        {

            in_data = in_data^FLASH_HW_KEY_0;

            pre_xor_data = unMix_0(in_data);

            out_data = pre_xor_data - FLASH_HW_KEY;

            cmN_DWORDToBytes(pChar, out_data);

        }

        else if(type==)

        {

            in_data = in_data^FLASH_HW_KEY_1;

            pre_xor_data = unMix_1(in_data);

            out_data = pre_xor_data - FLASH_HW_KEY;

            cmN_DWORDToBytes(pChar, out_data);

        }

        else if(type==)

        {

            in_data = in_data^FLASH_HW_KEY_2;

            pre_xor_data = unMix_2(in_data);

            out_data = pre_xor_data - FLASH_HW_KEY;

            cmN_DWORDToBytes(pChar, out_data);

        }

        else if(type==)

        {

            in_data = in_data^FLASH_HW_KEY_3;

            pre_xor_data = unMix_3(in_data);

            out_data = pre_xor_data - FLASH_HW_KEY;

            cmN_DWORDToBytes(pChar, out_data);

        }

        ref_address += ;

        pChar += ;

        tmplength += ;

    }

    pChar -= tmplength;

}

#define BUF_SIZE        128

main(int argc,char *argv[])

{

    char buf[BUF_SIZE];

    char outFile[];

    FILE *filein = fopen( argv[], "rb" );

    if(filein == NULL) {

        printf("open %s fail\n", argv[] );

        return ;

    }

    memset(outFile,,);

    sprintf(outFile,"decrypt_%s",argv[]+);

    //printf("--->%s\n",outFile);

    FILE *fileout=fopen(outFile, "wb" );

    if(fileout == NULL) {

        printf("open outfile fail\n" );

        return ;

    }    

    while()

    {

        int ret = fread(buf, , BUF_SIZE, filein);

        if(ret <=)

        {

            break;

        }

        hwDecodeRawDataForFlash( &buf[], BUF_SIZE, );

        fwrite(buf, , BUF_SIZE, fileout);

    }

    fclose(filein);

    fclose(fileout);

    return ;

}

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