pub unsafe extern "C" fn ASN1_item_sign( it: *const ASN1_ITEM, algor1: *mut X509_ALGOR, algor2: *mut X509_ALGOR, signature: *mut ASN1_BIT_STRING, data: *mut c_void, pkey: *mut EVP_PKEY, type_: *const EVP_MD, ) -> c_int