48 struct x509_certificate {  struct
49 	struct x509_certificate *next;  argument
50 	enum { X509_CERT_V1 = 0, X509_CERT_V2 = 1, X509_CERT_V3 = 2 } version;
51 	unsigned long serial_number;
52 	struct x509_algorithm_identifier signature;
53 	struct x509_name issuer;
54 	struct x509_name subject;
55 	os_time_t not_before;
56 	os_time_t not_after;
57 	struct x509_algorithm_identifier public_key_alg;
58 	u8 *public_key;
59 	size_t public_key_len;
60 	struct x509_algorithm_identifier signature_alg;
61 	u8 *sign_value;
62 	size_t sign_value_len;
65 	unsigned int extensions_present;
89 	 * The DER format certificate follows struct x509_certificate. These  argument
108 void x509_certificate_free(struct x509_certificate *cert);  argument