'bad magic number' could actually be an OS error. Has that openssl
binary worked for you before on other commands?
-Kyle H
On 3/9/06, Manuel Arguelles <[EMAIL PROTECTED]> wrote:
> Hello list,
>
> I'm new here, I'm trying to encrypt / decrypt text in a file using the rc4,
> the problem is that I'm not getting good results, here's what I'm doing for
> encryption:
>
> #include <stdio.h>
> #include <stdlib.h>
> #include <openssl/bio.h>
> #include <openssl/evp.h>
>
> int main(void)
> {
> char buf[1024];
> int total, len, written;
> BIO *file = BIO_new_file("out.bin", "w");
> BIO *buffer = BIO_new(BIO_f_buffer());
> BIO *cipher = BIO_new(BIO_f_cipher());
>
> strcpy(buf, "Simple Text to Encrypt");
>
> BIO_set_cipher(cipher, EVP_rc4(), "mysecretkey", NULL, 1);
>
> BIO_push (cipher, buffer);
> BIO_push (buffer, file);
>
> len = strlen(buf);
> written = 0;
> for (total = 0; total < len; total += written) {
> if ((written = BIO_write(cipher, buf + total, len - total)) <=
> 0) {
> if (BIO_should_retry(cipher)) {
> written =0;
> continue;
> }
> break;
> }
> }
> BIO_flush(cipher);
> BIO_free_all(cipher);
> }
>
> compiled it, and when executed I get a out.bin, then when I try to decrypt it
> it fails:
>
> $ openssl enc -d -rc4 -in out.bin -k mysecretkey
> bad magic number
>
> what I'm I doing wrong? maybe the -k -K -iv options? as BIO_set_cipher as well
> maybe?
>
> Regards and thank for your time
> ______________________________________________________________________
> OpenSSL Project http://www.openssl.org
> User Support Mailing List openssl-users@openssl.org
> Automated List Manager [EMAIL PROTECTED]
>
______________________________________________________________________
OpenSSL Project http://www.openssl.org
User Support Mailing List openssl-users@openssl.org
Automated List Manager [EMAIL PROTECTED]
