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https://github.com/ARM-software/arm-trusted-firmware.git
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0ce2072d9b
Introduce PLAT_RSS_NOT_SUPPORTED build config to provide a mocked version of PSA APIs. The goal is to test the RSS backend based measured boot and attestation token request integration on such a platform (AEM FVP) where RSS is otherwise unsupported. The mocked PSA API version does not send a request to the RSS, it only returns with success and hard-coded values. Signed-off-by: Tamas Ban <tamas.ban@arm.com> Change-Id: Ice8d174adf828c1df08fc589f0e17abd1e382a4d
129 lines
3.4 KiB
C
129 lines
3.4 KiB
C
/*
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* Copyright (c) 2022, Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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*/
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#include <string.h>
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#include <common/debug.h>
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#include <measured_boot.h>
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#include <psa/client.h>
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#include <psa_manifest/sid.h>
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#include "measured_boot_private.h"
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static void print_byte_array(const uint8_t *array, size_t len)
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{
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unsigned int i;
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if (array == NULL || len == 0U) {
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(void)printf("\n");
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}
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for (i = 0U; i < len; ++i) {
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(void)printf(" %02x", array[i]);
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if ((i & U(0xF)) == U(0xF)) {
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(void)printf("\n");
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if (i < (len - 1U)) {
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INFO("\t\t:");
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}
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}
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}
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}
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static void log_measurement(uint8_t index,
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const uint8_t *signer_id,
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size_t signer_id_size,
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const uint8_t *version, /* string */
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uint32_t measurement_algo,
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const uint8_t *sw_type, /* string */
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const uint8_t *measurement_value,
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size_t measurement_value_size,
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bool lock_measurement)
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{
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INFO("Measured boot extend measurement:\n");
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INFO(" - slot : %u\n", index);
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INFO(" - signer_id :");
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print_byte_array(signer_id, signer_id_size);
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INFO(" - version : %s\n", version);
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INFO(" - algorithm : %x\n", measurement_algo);
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INFO(" - sw_type : %s\n", sw_type);
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INFO(" - measurement :");
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print_byte_array(measurement_value, measurement_value_size);
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INFO(" - locking : %s\n", lock_measurement ? "true" : "false");
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}
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#if !PLAT_RSS_NOT_SUPPORTED
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psa_status_t
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rss_measured_boot_extend_measurement(uint8_t index,
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const uint8_t *signer_id,
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size_t signer_id_size,
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const uint8_t *version,
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size_t version_size,
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uint32_t measurement_algo,
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const uint8_t *sw_type,
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size_t sw_type_size,
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const uint8_t *measurement_value,
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size_t measurement_value_size,
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bool lock_measurement)
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{
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struct measured_boot_extend_iovec_t extend_iov = {
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.index = index,
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.lock_measurement = lock_measurement,
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.measurement_algo = measurement_algo,
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.sw_type = {0},
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.sw_type_size = sw_type_size,
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};
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psa_invec in_vec[] = {
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{.base = &extend_iov,
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.len = sizeof(struct measured_boot_extend_iovec_t)},
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{.base = signer_id, .len = signer_id_size},
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{.base = version, .len = version_size},
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{.base = measurement_value, .len = measurement_value_size}
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};
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uint32_t sw_type_size_limited;
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if (sw_type != NULL) {
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sw_type_size_limited = (sw_type_size < SW_TYPE_MAX_SIZE) ?
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sw_type_size : SW_TYPE_MAX_SIZE;
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memcpy(extend_iov.sw_type, sw_type, sw_type_size_limited);
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}
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log_measurement(index, signer_id, signer_id_size,
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version, measurement_algo, sw_type,
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measurement_value, measurement_value_size,
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lock_measurement);
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return psa_call(RSS_MEASURED_BOOT_HANDLE,
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RSS_MEASURED_BOOT_EXTEND,
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in_vec, IOVEC_LEN(in_vec),
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NULL, 0);
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}
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#else /* !PLAT_RSS_NOT_SUPPORTED */
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psa_status_t
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rss_measured_boot_extend_measurement(uint8_t index,
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const uint8_t *signer_id,
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size_t signer_id_size,
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const uint8_t *version,
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size_t version_size,
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uint32_t measurement_algo,
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const uint8_t *sw_type,
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size_t sw_type_size,
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const uint8_t *measurement_value,
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size_t measurement_value_size,
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bool lock_measurement)
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{
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log_measurement(index, signer_id, signer_id_size,
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version, measurement_algo, sw_type,
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measurement_value, measurement_value_size,
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lock_measurement);
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return PSA_SUCCESS;
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}
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#endif /* !PLAT_RSS_NOT_SUPPORTED */
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