A simple password security program that I wrote in C programming language.

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Program Listing

/* password.c
   Prof. Jake Rodriguez Pomperada,MAED-IT, MIT
   www.jakerpomperada.com
   www.jakerpomperada.blogspot.com
   jakerpomperada@gmail.com
   Bacolod City, Negros Occidental
*/

#include <stdio.h>
#include <string.h>
#include <conio.h>

int main()
{
    char buffer[256] = {0};
    char password[] = "admin";
    char c;
    int pos = 0;

    printf("\n==============================");
    printf("\nPassword Security in C");
    printf("\n==============================");
    printf("\n\n");

     printf("%s", "Give Your Password: ");
    do {
        c = getch();

        if( isprint(c) )
        {
            buffer[ pos++ ] = c;
            printf("%c", '*');
        }
        else if( c == 8 && pos )
        {
            buffer[ pos-- ] = '\0';
            printf("%s", "\b \b");
        }
    } while( c != 13 );

    if( !strcmp(buffer, password) )

    {
        printf("\n\n");
        printf("Password is Accepted.");
        printf("\n\n");
    }
    else
         {
        printf("\n\n");
        printf("Intruder has been detected.");
        printf("\n\n");
    }
        printf("\n\n");
        printf("THANK YOU FOR USING THIS PROGRAM");
        printf("\n\n");
}


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