Hi Nils,
U r write.
That was the reason.
On 9/5/05, Nils Larsch <[EMAIL PROTECTED]> wrote:
Rajeshwar Singh Jenwar wrote:
> Hi All,
>
> I have to read x509 certificate(in .pem format) from memory.
> I have written two functions.
>
> Fn.1
>
> /* get X509 structure from memory. */
> extern X509 *mem2x509(vchar_t *cert)
> {
> X509 *x509;
>
> unsigned char *bp;
>
> bp = (unsigned char *) cert->v;
>
> x509 = d2i_X509(NULL, &bp, cert->l);
>
> if(x509 == NULL)
> {
> Printf("ERROR : %s : %d : %s\n ", __FILE__, __LINE__, "failed in
> d2ix509()");
>
> }
> return x509;
> }
>
> Fn.2
>
> extern X509 *mem2x509_bio(vchar_t *cert)
> {
> X509 *x509= NULL;
> BIO *bio = NULL;
> int len = -1;
>
> bio = BIO_new(BIO_s_mem());
> if (bio == NULL)
> {
> Printf("ERROR : %s : %d : %s\n ", __FILE__, __LINE__, "failed in
> BIO_new()");
> return NULL;
> }
> len = BIO_write(bio, cert->v, cert->l);
> if (len == -1)
> {
> Printf("ERROR : %s : %d : %s\n ", __FILE__, __LINE__, "failed in
> BIO_write()");
> return NULL;
> }
> x509 = PEM_read_bio_X509(bio, NULL, NULL, NULL);
>
> if(x509 == NULL)
> {
> Printf("ERROR : %s : %d : %s\n ", __FILE__, __LINE__, "failed in
> PEM_read_bio_X509()");
> }
> BIO_free(bio);
>
> return x509;
> }
>
> Now certificate data is stored in char array.
>
> vchar_t *cacert = NULL;
> cacert = vmalloc(strlen(CERT.CACert));
> memcpy(cacert->v, CERT.CACert, strlen(CERT.CACert));
>
>
> Now i m extracting with above two functions.
>
> Fn1 is failling .I m getting "failed in d2i_x509" message.
>
> F2. is passed.
>
> Can some explain the reason ?
if you have a pem encoded certificate d2i_X509 of course fails as
it expects a der encoded binary input.
Nils
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