Cifrado

cifrado.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define TAMANIOCLAVE 50
#define TAMANIOTEXT 100 
struct columna{ 
   int claveAscii; 
   char *dataColumna; 
}; 
typedef struct columna COLUMNA; 
int getSizeString(char *);
void stringNoSpaces(char *, int, char *);
void ordenarColumna(COLUMNA *, int);
int main(){ 
   COLUMNA *data = NULL; 
   char clave[TAMANIOCLAVE]; 
   char txt[TAMANIOTEXT];
   int sizeClave;
   int sizeText;
   printf("Ingresa la clave (MAX 50 CARACTERES): ");
   fgets(clave, 50, stdin);
   printf("Ingrese cadena a Cifrar (MAX 100 CARACTERES): ");
   fgets(txt, 100, stdin);
   sizeClave = getSizeString(clave); 
   sizeText = getSizeString(txt);
   data = malloc(sizeof(COLUMNA)*sizeClave);
   int sizeFIla = sizeText/sizeClave;
   if((sizeText%sizeClave)!=0){
      sizeFIla++;
   }
   char *newTxt = malloc(sizeof(char *)* sizeText);
   stringNoSpaces(txt, sizeText, newTxt);
   for(int i = 0; i<sizeClave; i++){
      data[i].dataColumna = malloc(sizeof(char *)*sizeFIla);
      data[i].claveAscii = clave[i];
   }
   int abecedario = 97;
   for(int i = 0, txtI=0; i<sizeFIla; i++){
      for(int j = 0; j<sizeClave; j++, txtI++){
         if(newTxt[txtI]==0 || newTxt[txtI]==10){
            data[j].dataColumna[i] = abecedario;
            abecedario = abecedario+1;
         }else{
            data[j].dataColumna[i] = newTxt[txtI];
         }
       }
   }
   ordenarColumna(data, sizeClave);
   printf("Cifrado-->");
   for(int i = 0; i<sizeClave;i++){ 
         printf("%s", data[i].dataColumna);
   }
   printf("\n");

   return 0; 
}
void stringNoSpaces(char *string, int tamanio, char *newString){
   int tam = strlen(string);
   for(int i = 0, j = 0; i<tam;i++, j++){
      if(string[i]==32){
         i++;
      } 
      newString[j] = string[i];
   }
}
int getSizeString(char *string ){
  char *auxString = string; 
  int size = 0;
  while(*auxString){
     if(*auxString!=' '){
         size++;
     }
     auxString++;
  }
  return size-1;
}
void ordenarColumna(COLUMNA *column, int tamanio){
	int flag = 0;
	for(; flag != 1;){
		flag = 1;
		for(int i = 0; i<tamanio; i++){
         if(column[i].claveAscii > column[i+1].claveAscii && (i+1)!=tamanio){
				COLUMNA auxCol = column[i];
				column[i] = column[i+1];
				column[i+1] = auxCol;
				flag = 0;
			}

		}
	}
  

}