Antony Stace was once rumoured to have said:
> Hi Folks
>
> Does anyone know where I can find some c source code which
> can generate the passwords used by cvs.
Since it uses the Unix crypt() call, Its a trivial C program.
---BEGIN SOURCE---
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
inline char
itos(int n)
{
if (n < 0) {
return -1;
} else if (n < 26) {
return 'a' + n;
} else if (n < 52) {
return 'A' + n - 26;
} else if (n < 62) {
return '0' + n - 52;
} else if (n == 62) {
return '.';
} else if (n == 63) {
return '/';
} else {
return -1;
}
}
int
main (int argc, char **argv)
{
char salt[3]={0,0,0};
char* crypttext;
int ctr;
srandom(time(NULL));
for (ctr = 1; ctr < argc; ctr++) {
salt[0]=itos(random()%64);
salt[1]=itos(random()%64);
printf ("%s\n", crypt(argv[ctr], salt));
}
return 0;
}
---END SOURCE---
Save as cryptit.c, compile using: gcc -o cryptit{,.c} -lcrypt
use ala: ./cryptit plaintextpassword plaintextpassword.
It'll print the crypttext for each password on its own line.
Of course, this is much smaller if you write it in perl.
C.
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