> i need help if i have a certificate in X509 structure how can i >convert it into unsigned int format this is too important for me thanks for >your help
You mean an array of bytes (unsigned char)? This is called the DER form, and there are functions and command-line ways to do this. Look for these as a starting point: int i2d_X509_fp(FILE *fp,X509 *x509); int i2d_X509_bio(BIO *bp,X509 *x509); It's even documented, d2i_X505.pod :��I"Ϯ��r�m���� (����Z+�K�+����1���x��h����[�z�(����Z+���f�y�������f���h��)z{,���