prob using the d2i_x509_fp();

[ratan.sarkar]

Hi, can U help me out ? I am using the code ..but for .der type of file it is giving me a null pointer .. but this code is working fine for .pem type ..   here is the code I am using .. main() {     string     sCerrtPath="c:/mycert.der";     char    buf[256];     memset(buf,0,256);        X509 * pCert=NULL;      FILE *fp=fopen(sCertPath.c_str(),"rb");      if(!fp)      {              cout<<" file not found"<<endl;           return 0;      }        pCert=PEM_read_X509(fp,NULL,0,NULL);        if(pCert==NULL)                d2i_X509_fp(fp,&pCert);          fclose(fp);        if(pCert==NULL)      {           cerr << "ERROR: unknown format certificate" << endl;           return 0;      }        X509_NAME_oneline(X509_get_subject_name(pCert), buf, 256);      cout<<buf;        return 1; } regards Ratan