typedef struct x509_lookup_method_st X509_LOOKUP_METHOD;
typedef struct X509_VERIFY_PARAM_st X509_VERIFY_PARAM;
+typedef struct x509_sig_info_st X509_SIG_INFO;
+
typedef struct pkcs8_priv_key_info_st PKCS8_PRIV_KEY_INFO;
typedef struct v3_ext_ctx X509V3_CTX;