dave wrote:
Hi,
I am very new at this. I want to encrypt a string with des3, change it
to base64
and put it into a buffer. I have found code in the man pages which seems to
accomplish this execept that it gets written into a file, in this case
results.dat.
I would really appreciate it if someone could indicate how to modify
this code
so that it puts the output string into a buffer.
...
b64 = BIO_new(BIO_f_base64());
// Here we attach the file handle for results.dat
bio = BIO_new_fp(out, BIO_NOCLOSE);
replace this file BIO with a memory BIO (see `man BIO_s_mem`)
bio = BIO_push(b64, bio);
int retr=BIO_write(bio, outbuf,outlen);
printf("bio_WRITE returns %d \n",retr);
printf("outlen = %d \n",retr);
BIO_flush(bio);
BIO_free_all(bio);
if(!EVP_CipherFinal_ex(&ctx, outbuf, &outlen))
{
/* Error */
return 0;
}
EVP_CIPHER_CTX_cleanup(&ctx);
return 1;
}
Nils
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