arm-trusted-firmware/lib/psa/initial_attestation.c

37 lines
799 B
C

/*
* Copyright (c) 2018-2022, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*
*/
#include <initial_attestation.h>
#include <psa/client.h>
#include <psa_manifest/sid.h>
psa_status_t
psa_initial_attest_get_token(const uint8_t *auth_challenge,
size_t challenge_size,
uint8_t *token_buf,
size_t token_buf_size,
size_t *token_size)
{
psa_status_t status;
psa_invec in_vec[] = {
{auth_challenge, challenge_size}
};
psa_outvec out_vec[] = {
{token_buf, token_buf_size},
};
status = psa_call(RSS_ATTESTATION_SERVICE_HANDLE, RSS_ATTEST_GET_TOKEN,
in_vec, IOVEC_LEN(in_vec),
out_vec, IOVEC_LEN(out_vec));
if (status == PSA_SUCCESS) {
*token_size = out_vec[0].len;
}
return status;
}