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#include "stdio.h"


char* read_key()
{
	FILE *fr;            
   	int key_value;
	char key_string;
   	char *key = (char(*)[300]) malloc(sizeof(char) * 300);  //supports max keylength of 300
	int i = 0;

   	fr = fopen ("key.pem", "rt"); 

	if (fr == NULL)
	{
		printf("READ_FILE: key could not have been read \n");
		return NULL;
	}	
	
	if (fr != NULL)
	{
		while((key_value = fgetc(fr)) != EOF)
		{
			key_string = (char) key_value;
			key[i] = key_string;
			i++;
		}	
	}
	
   	fclose(fr); 
	
	return key;
}