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#include "tea.c"

#include 

#include 

#include 

#include "lang_en.c"

#include 

#define DECRYPT 2

uint32_t key[4];

{

    fseek(file, 0, SEEK_END);

    long size = ftell(file);

    fseek(file, 0, SEEK_SET);

    return size;

}

{

    fseek(file, 0, SEEK_END);

    long size = ftell(file);

    fseek(file, 0, SEEK_SET);

    if(size%8==0)

    {

        return size;

    }

    else

    {

        return (size/8+1)*8;

    }

}

{

    FILE *input, *output;

    {

        printf(FILE_NOT_FOUND, in_file);

        exit(1);

    }

    uint8_t size_diff;

    size_diff=(uint8_t)(size_f-size_orig_file(input));

    uint32_t *buff;

    buff=malloc(size_f);

    if(!buff)

    {

        puts(MEMORY_ERROR);

        exit(-1);

    }

    {

        printf(LOAD_IN_RAM,in_file);

        fread(buff, 1,size_f, input);

        printf(FILE_ENCRYPTION);

        {

            TEA_encrypt(buff+i,key);

        }

        fwrite(&size_diff,1, 1, output);

        fwrite(buff,1,size_f, output);

        fclose(input);

        fclose(output);

        printf(DATA_ENCRYPT,in_file,out_file);

        exit(0);

    }

    {

        long size_f=size_orig_file(input);

        printf(LOAD_IN_RAM,in_file);

        fread(&size_diff,1,1,input);

        fread(buff,1,size_f-1, input);

        printf(FILE_DECRYPTION);

        {

            TEA_decrypt(buff+i,key);

        }

        fwrite(buff,1,size_f-size_diff-1, output);

        fclose(input);

        fclose(output);

        printf(DATA_DECRYPT,in_file,out_file);

        exit(0);

    }

}

{

    uint32_t temp_block[2];

    FILE *input, *output;

    {

        printf(FILE_NOT_FOUND, in_file);

        exit(1);

    }

    uint8_t size_diff=(uint8_t)(size_f-size_orig_file(input));

        fwrite(&size_diff,1,1,output);

        printf(FILE_ENCRYPTION);

        {

            memset(temp_block, 0x00, 2);

            fread(temp_block, sizeof(uint32_t), 2, input) ;

            TEA_encrypt(temp_block,key);

            fwrite(temp_block, sizeof(uint32_t),2, output);

        }

        fclose(output);

        printf(DATA_ENCRYPT,in_file,out_file);

        exit(0);

    else if(arg==DECRYPT){

        size_f = size_orig_file(input);

        fread(&size_diff,1,1,input);

        size_f=size_f-size_diff-1;

        printf(FILE_DECRYPTION);

        {

            fread(temp_block, sizeof(uint32_t), 2, input);

            TEA_decrypt(temp_block,key);

            {

                fwrite(temp_block,sizeof(uint32_t),2,output);

            }

            else

            {

                fwrite(temp_block,1,size_f,output);

            }

            {

                size_f=0;

            }

        }

        fclose(output);

        printf(DATA_DECRYPT,in_file,out_file);

        exit(0);

    }

}

{

    int count=0;

    for(int i=0; i<4; i++)

    {

        int j=0;

        while (j<8)

        {

            str_key[i][j]=str[count];

            count++;

            j++;

        }

    }

}

{

    int count=0;

    char hex[]={"abcdefABCDEF0123456789"};

    for(int i=0; i<32; i++)

    {

        if(strchr(hex,str[i])!=NULL)

        {

            count++;

        }

     }

     if(count==32){return 1;}

     else{ return 0;}

}

{

    char str_key[4][9];

    if(valid_key(str)&&(strlen(str)==32))

    {

        for(int i=0; i<4; i++)

        {

            str_to_strkey(str, str_key);

            key[i]=(uint32_t)strtol(str_key[i],NULL,16);

        }

    {

        printf(INVALID_KEY_FORMAT);

        exit(-1);

    }

}

{

    FILE *keyfile;

    if((keyfile = fopen(key_file,"rb"))==NULL)

    {

        printf(FILE_NOT_FOUND, key_file);

        exit(-1);

    }

    {

    fread(key,sizeof(uint32_t),4, keyfile);

    }

    else

    {

        printf(INVALID_KEY_FORMAT);

        exit(-1);

    }

}

{

    char found=0;

    for(int j=3; j

    {

        if(!strcmp(argv[j],"-k"))

        {

            found=1;

            key_con_read(argv[j+1]);

            break;

        }

        else if(!strcmp(argv[j],"-K"))

        {

            found=1;

            key_file_read(argv[j+1]);

            break;

        }

    }

    {

        printf(NO_KEY_OR_KEYFILE);

        exit(-1);

    }

        if(!strcmp(argv[i],"-e"))

        {

           if(!strcmp(argv[i+1],"normal")){xcrypt_file(in_file, out_file, ENCRYPT);}

           if(!strcmp(argv[i+1],"speed")){xcrypt_file_speed(in_file, out_file, ENCRYPT);}

        }

        if(!strcmp(argv[i],"-d"))

        {

           if(!strcmp(argv[i+1],"normal")){xcrypt_file(in_file, out_file, DECRYPT);}

           if(!strcmp(argv[i+1],"speed")){xcrypt_file_speed(in_file, out_file, DECRYPT);}

        }

    }

    printf(INVALID_ARG);

    exit(0);

}

{

    FILE *keyfile;

    if((keyfile = fopen(strcat(keyfilename, ".key"), "wb"))==NULL)

    {

        printf(INCORRECT_FILE, keyfilename);

        exit(-1);

    }

    fwrite(key,sizeof(uint8_t), 16, keyfile);

    printf(KEY_RECORD_IN_FILE, keyfilename);

    fclose(keyfile);

    exit(0);

{

   con_init_console_dll();

   con_set_title("TEAtool\0");

   if(argc==7)

   {

         findopt(argc,argv, argv[1],argv[2]);

   }

   else if(argc==2 && !strcmp(argv[1],"-a"))

   {

       show_about();

       exit(0);

   }

   {

       show_help();

       exit(0);

   }

   {

       key_con_read(argv[2]);

       key_write_in_file(argv[3]);

   }

   {

       printf(INVALID_ARG);

       exit(0);

   }

>