X509 Structure
The X509 structure is defined in x509.h.typedef struct x509_st
{
X509_CINF *cert_info;
X509_ALGOR *sig_alg;
ASN1_BIT_STRING *signature;
int valid;
int references;
char *name;
CRYPTO_EX_DATA ex_data;
/* These contain copies of various extension values */
long ex_pathlen;
unsigned long ex_flags;
unsigned long ex_kusage;
unsigned long ex_xkusage;
unsigned long ex_nscert;
ASN1_OCTET_STRING *skid;
struct AUTHORITY_KEYID_st *akid;
#ifndef NO_SHA
unsigned char sha1_hash[SHA_DIGEST_LENGTH];
#endif
X509_CERT_AUX *aux;
} X509;
HP Open Source Security for OpenVMS Volume 2:... 
Data Structures and Header Files
