occlum/tools/toolchains/utils_lib/examples/generate_key.rs

use occlum_utils::*;
use sgx_types::{
    sgx_attributes_t, sgx_key_id_t, sgx_misc_select_t, SGX_KEYPOLICY_MRSIGNER, SGX_KEYSELECT_SEAL,
    SGX_KEY_REQUEST_RESERVED2_BYTES, TSEAL_DEFAULT_FLAGSMASK, TSEAL_DEFAULT_MISCMASK,
};

use occlum_dcap::{sgx_quote_header_t, sgx_report_body_t, sgx_report_data_t, DcapQuote};

fn main() {
    let handle = utils_ioctl_open();

    let dcap_handle = unsafe { &mut *(handle as *mut DcapQuote) };

    let quote_size = dcap_handle.get_quote_size().unwrap_or_default();

    let mut quote_buf: Vec<u8> = vec![0; quote_size as usize];
    let report_str = "utils demo sample";

    let mut report_data = sgx_report_data_t::default();
    report_data.d[..report_str.len()].copy_from_slice(report_str.as_bytes());

    let report_data = report_data as sgx_report_data_t;

    let _ = dcap_handle
        .generate_quote(quote_buf.as_mut_ptr(), &report_data)
        .unwrap();

    println!("===============================");

    dbg!(&quote_buf);

    let report_body_offset = std::mem::size_of::<sgx_quote_header_t>();
    let report_body: *const sgx_report_body_t = (quote_buf[report_body_offset..]).as_ptr() as _;
    let report_body: sgx_report_body_t = unsafe { *report_body };

    let key_policy = SGX_KEYPOLICY_MRSIGNER;

    let attribute_mask = sgx_attributes_t {
        flags: TSEAL_DEFAULT_FLAGSMASK,
        xfrm: 0,
    };

    let misc_mask: sgx_misc_select_t = TSEAL_DEFAULT_MISCMASK;

    let key_id = sgx_key_id_t::default();

    let mut key = sgx_key_128bit_t::default();
    let key_request = sgx_key_request_t {
        key_name: SGX_KEYSELECT_SEAL,
        key_policy,
        isv_svn: report_body.isv_svn,
        reserved1: 0_u16,
        cpu_svn: report_body.cpu_svn,
        attribute_mask,
        key_id,
        misc_mask,
        config_svn: report_body.config_svn,
        reserved2: [0_u8; SGX_KEY_REQUEST_RESERVED2_BYTES],
    };

    utils_gen_key(handle, &mut key, &key_request);

    dbg!(&key);
}