Base64 Help

[Adam Jones]

Below is the code I am using to try and test the base64 encode in openssl. I am using rand to generate a binary and then encoding that to base64. Instead of using a file, I want to use memory to output the base64 encoded buffer. This code compiles and runs, but my output buffer is all 0. Any help would be appreciated. What have I missed?

 

The variable written does show 16 like it should......help!

 

#include <iostream>
#include <memory.h>
#include "evp.h"
#include "rand.h"
#include "bio.h"

 

using namespace std;

 

int main()
{
 BIO *b64;
 unsigned char *pbuffer = new unsigned char [16];
 unsigned char *pOutput = new unsigned char [100];
 int written;

 

 memset(pOutput, '0', 100);
 RAND_bytes(pbuffer, 16);
 b64 = BIO_new(BIO_f_base64());
 written = BIO_write(b64, pbuffer, 16);

 

 cout << written << endl;

 

 BIO_get_mem_ptr(b64, pOutput);

 

 for ( int nLoop = 0; nLoop< 16; nLoop++)
 {
 cout << pOutput[nLoop];
 }
 cout << "\n" << endl;

 

 BIO_free_all(b64);