C Program to Generate N Number of Passwords of Length M Each

This C program generates N number of passwords, each of length M. This problem focuses on finding the N permutations each of length M.

Here is the source code of the C program to generate random passwords of equal length. The C program is successfully compiled and run on a Linux system. The program output is also shown below.

```
#include <time.h>
```
```
#include <stdio.h>
```
```
#include <stdlib.h>
```
```
 
```
```
int main(void)
```
```
{
```
```
    /* Length of the password */
```
```
    int length;
```
```
    int num;
```
```
    int temp;
```

    printf("Enter the length of the password: ");

```
    scanf("%d", &length);
```

    printf("\nEnter the number of passwords you want: ");

```
    scanf("%d", &num);
```
```
    /* Seed number for rand() */
```

    srand((unsigned int) time(0) + getpid());

```
 
```
```
    while(num--)
```
```
    {
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        temp = length;
```
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        printf("\n");
```
```
        while(temp--) {
```
```
            putchar(rand() % 56 + 65);
```
```
            srand(rand());
```
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        }
```
```
 
```
```
        temp = length;
```
```
    }
```
```
 
```
```
    printf("\n");
```
```
 
```
```
    return EXIT_SUCCESS;
```
```
}
```

$ gcc password.c -o password
$ ./password
 
Enter the length of the password: 8
Enter the number of passwords you want: 5
Yfqdpshp
GZJqGuiB
^jFUTLOo
WbNK]Teu
]wrQSBNY

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