Here's a hint:
You are creating a DER encoded RSA public Key - you are trying to read a DER
encoded X.509 certificate. These are not the same thing.
Have fun.
Patrick.
On 2010-11-10, at 9:06 PM, furrbie wrote:
>
> Hi,
>
> I am trying to read in a DER encoded RSA public key using d2i_X509_fp();
>
> I have generated an RSA key using openssl with the following commands:
>
> 1. openssl genrsa -out privkey.pem 2048
> 2. openssl rsa -pubout -in privkey.pem -out pubkey.der -outform der
>
> In my C++ program, I coded the following:
> FILE *fp = fopen("pubkey.der", "rb");
> X509 *x = d2i_X509_fp(fp, NULL);
>
> However, x returns NULL after this point. How do I get a valid X509
> structure from a DER encoded cert?
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