Hi Tim,
I think the problem is that you are casting a BSTR to a char*, you need to
use a conversion routine, e.g. something like:
void somefunc(BSTR bstrText)
{
_bstr_t _bstrText(bstrText, false);
char* lpszText = (char*)_bstrText;
..
Cheers,
Mark
----- Original Message -----
From: "Tim Coleman" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, September 19, 2002 2:48 PM
Subject: Creating a COM object to use openssl
> Hi,
>
> I've been working on making a COM object that uses OpenSSL to sign some
> data that I'm using for a form of software licensing. I have code that
> works fine as an executable on Windows, but when I try to make a COM
> object, I can't seem to load the private key from a string. I'm not
> sure if I'm doing something wrong or not.
>
> Here's the code I have to load the private RSA key from a string. After
> this has been run, key is NULL, so it didn't succeed in loading the key
> from the given string.
>
> STDMETHODIMP CLicence::GenerateLicence(BSTR licenceData, BSTR keyString,
> BSTR passphrase, BSTR *licence)
> {
> AFX_MANAGE_STATE(AfxGetStaticModuleState())
> EVP_MD *md = EVP_sha1();
> EVP_add_cipher( EVP_des_ede3_cbc() );
>
> EVP_PKEY *key = NULL;
> BIO *bio = BIO_new_mem_buf( (char *) keyString, -1 );
> PEM_read_bio_PrivateKey(bio, &key, NULL, (char *) passphrase );
> BIO_free( bio );
> ...
>
> I'm trying to access this object from an ASP page. The specific error
> from openssl is "error:0906D06C:PEM routines:PEM_read_bio:no start line"
>
> Does anyone have any ideas on what might cause this?
>
> Thanks,
>
> --
> Tim Coleman <[EMAIL PROTECTED]>
> Web Developer, Open Text Corporation Global Services
> Tel: 519 888 7111 ext. 2619
> Fax: 519 888 6737
>
> ______________________________________________________________________
> OpenSSL Project http://www.openssl.org
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