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-rw-r--r--lib/psa/delegated_attestation.c230
-rw-r--r--lib/psa/measured_boot.c134
-rw-r--r--lib/psa/measured_boot_private.h24
3 files changed, 388 insertions, 0 deletions
diff --git a/lib/psa/delegated_attestation.c b/lib/psa/delegated_attestation.c
new file mode 100644
index 0000000..399a3f1
--- /dev/null
+++ b/lib/psa/delegated_attestation.c
@@ -0,0 +1,230 @@
+/*
+ * Copyright (c) 2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <string.h>
+
+#include <delegated_attestation.h>
+#include <psa/client.h>
+#include <psa_manifest/sid.h>
+
+#if !PLAT_RSS_NOT_SUPPORTED
+psa_status_t
+rss_delegated_attest_get_delegated_key(uint8_t ecc_curve,
+ uint32_t key_bits,
+ uint8_t *key_buf,
+ size_t key_buf_size,
+ size_t *key_size,
+ uint32_t hash_algo)
+{
+ psa_status_t status;
+ psa_invec in_vec[] = {
+ {&ecc_curve, sizeof(ecc_curve)},
+ {&key_bits, sizeof(key_bits)},
+ {&hash_algo, sizeof(hash_algo)}
+ };
+ psa_outvec out_vec[] = {
+ {key_buf, key_buf_size}
+ };
+
+ if (key_size == NULL) {
+ return PSA_ERROR_INVALID_ARGUMENT;
+ }
+
+ status = psa_call(RSS_DELEGATED_SERVICE_HANDLE,
+ RSS_DELEGATED_ATTEST_GET_DELEGATED_KEY,
+ in_vec, IOVEC_LEN(in_vec),
+ out_vec, IOVEC_LEN(out_vec));
+ if (status == PSA_SUCCESS) {
+ *key_size = out_vec[0].len;
+ }
+
+ return status;
+}
+
+psa_status_t
+rss_delegated_attest_get_token(const uint8_t *dak_pub_hash,
+ size_t dak_pub_hash_size,
+ uint8_t *token_buf,
+ size_t token_buf_size,
+ size_t *token_size)
+{
+ psa_status_t status;
+ psa_invec in_vec[] = {
+ {dak_pub_hash, dak_pub_hash_size}
+ };
+ psa_outvec out_vec[] = {
+ {token_buf, token_buf_size}
+ };
+
+ if (token_size == NULL) {
+ return PSA_ERROR_INVALID_ARGUMENT;
+ }
+
+ status = psa_call(RSS_DELEGATED_SERVICE_HANDLE,
+ RSS_DELEGATED_ATTEST_GET_PLATFORM_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;
+}
+
+
+#else /* !PLAT_RSS_NOT_SUPPORTED */
+
+static const uint8_t delegated_key[] = {
+ 0x20, 0x11, 0xC7, 0xF0, 0x3C, 0xEE, 0x43, 0x25, 0x17, 0x6E,
+ 0x52, 0x4F, 0x03, 0x3C, 0x0C, 0xE1, 0xE2, 0x1A, 0x76, 0xE6,
+ 0xC1, 0xA4, 0xF0, 0xB8, 0x39, 0xAA, 0x1D, 0xF6, 0x1E, 0x0E,
+ 0x8A, 0x5C, 0x8A, 0x05, 0x74, 0x0F, 0x9B, 0x69, 0xEF, 0xA7,
+ 0xEB, 0x1A, 0x41, 0x85, 0xBD, 0x11, 0x7F, 0x68
+};
+
+static const uint8_t platform_token[] = {
+ 0xD2, 0x84, 0x43, 0xA1, 0x01, 0x26, 0xA0, 0x59,
+ 0x02, 0xBE, 0xAA, 0x3A, 0x00, 0x01, 0x24, 0xFF,
+ 0x58, 0x20, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB,
+ 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB,
+ 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB,
+ 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB,
+ 0xAB, 0xAB, 0x3A, 0x00, 0x01, 0x24, 0xFB, 0x58,
+ 0x20, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
+ 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE,
+ 0xAF, 0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6,
+ 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE,
+ 0xBF, 0x3A, 0x00, 0x01, 0x25, 0x00, 0x58, 0x21,
+ 0x01, 0xFA, 0x58, 0x75, 0x5F, 0x65, 0x86, 0x27,
+ 0xCE, 0x54, 0x60, 0xF2, 0x9B, 0x75, 0x29, 0x67,
+ 0x13, 0x24, 0x8C, 0xAE, 0x7A, 0xD9, 0xE2, 0x98,
+ 0x4B, 0x90, 0x28, 0x0E, 0xFC, 0xBC, 0xB5, 0x02,
+ 0x48, 0x3A, 0x00, 0x01, 0x24, 0xFA, 0x58, 0x20,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+ 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB,
+ 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC,
+ 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD,
+ 0x3A, 0x00, 0x01, 0x24, 0xF8, 0x20, 0x3A, 0x00,
+ 0x01, 0x24, 0xF9, 0x00, 0x3A, 0x00, 0x01, 0x24,
+ 0xFD, 0x85, 0xA5, 0x05, 0x58, 0x20, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x60,
+ 0x01, 0x65, 0x42, 0x4C, 0x31, 0x5F, 0x32, 0x06,
+ 0x66, 0x53, 0x48, 0x41, 0x32, 0x35, 0x36, 0x02,
+ 0x58, 0x20, 0xF8, 0xB7, 0xCE, 0xAD, 0x9B, 0xE4,
+ 0x5A, 0x8F, 0x5C, 0x52, 0x6F, 0x0C, 0x05, 0x25,
+ 0x8F, 0xF3, 0xE9, 0x81, 0xDC, 0xBC, 0xF2, 0x05,
+ 0x7F, 0x33, 0xF6, 0xBB, 0xDC, 0xD9, 0x4D, 0xA2,
+ 0x34, 0x3A, 0xA5, 0x05, 0x58, 0x20, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x67,
+ 0x31, 0x2E, 0x37, 0x2E, 0x32, 0x2B, 0x30, 0x01,
+ 0x63, 0x42, 0x4C, 0x32, 0x06, 0x66, 0x53, 0x48,
+ 0x41, 0x32, 0x35, 0x36, 0x02, 0x58, 0x20, 0x3A,
+ 0xE5, 0x9E, 0x40, 0xA9, 0x6B, 0xD5, 0x29, 0x1C,
+ 0xAB, 0x7A, 0x5F, 0xBD, 0x1F, 0x9A, 0xA6, 0x52,
+ 0xFB, 0x77, 0x7D, 0xA3, 0xEC, 0x9C, 0x29, 0xBC,
+ 0xE6, 0x5B, 0x3B, 0x43, 0xFC, 0x9D, 0x26, 0xA5,
+ 0x05, 0x58, 0x20, 0xBF, 0xE6, 0xD8, 0x6F, 0x88,
+ 0x26, 0xF4, 0xFF, 0x97, 0xFB, 0x96, 0xC4, 0xE6,
+ 0xFB, 0xC4, 0x99, 0x3E, 0x46, 0x19, 0xFC, 0x56,
+ 0x5D, 0xA2, 0x6A, 0xDF, 0x34, 0xC3, 0x29, 0x48,
+ 0x9A, 0xDC, 0x38, 0x04, 0x67, 0x31, 0x2E, 0x35,
+ 0x2E, 0x30, 0x2B, 0x30, 0x01, 0x64, 0x52, 0x54,
+ 0x5F, 0x30, 0x06, 0x66, 0x53, 0x48, 0x41, 0x32,
+ 0x35, 0x36, 0x02, 0x58, 0x20, 0x47, 0x94, 0x9D,
+ 0x27, 0x33, 0x82, 0x45, 0x1A, 0xDD, 0x25, 0xF4,
+ 0x9A, 0x89, 0x6F, 0x5F, 0xD9, 0xB0, 0xE8, 0x14,
+ 0xD3, 0xA4, 0x9B, 0x53, 0xB0, 0x44, 0x0B, 0xCF,
+ 0x32, 0x1A, 0xC4, 0xD2, 0x65, 0xA5, 0x05, 0x58,
+ 0x20, 0xB3, 0x60, 0xCA, 0xF5, 0xC9, 0x8C, 0x6B,
+ 0x94, 0x2A, 0x48, 0x82, 0xFA, 0x9D, 0x48, 0x23,
+ 0xEF, 0xB1, 0x66, 0xA9, 0xEF, 0x6A, 0x6E, 0x4A,
+ 0xA3, 0x7C, 0x19, 0x19, 0xED, 0x1F, 0xCC, 0xC0,
+ 0x49, 0x04, 0x67, 0x30, 0x2E, 0x30, 0x2E, 0x37,
+ 0x2B, 0x30, 0x01, 0x64, 0x52, 0x54, 0x5F, 0x31,
+ 0x06, 0x66, 0x53, 0x48, 0x41, 0x32, 0x35, 0x36,
+ 0x02, 0x58, 0x20, 0xCD, 0x38, 0xBE, 0xC8, 0xB7,
+ 0xC0, 0x9E, 0xD5, 0x24, 0x30, 0xFE, 0xC8, 0xD0,
+ 0x19, 0x12, 0x56, 0xB2, 0x7A, 0xA5, 0x53, 0x6F,
+ 0xBC, 0x7D, 0x09, 0xCA, 0x11, 0xDD, 0x90, 0xD7,
+ 0xD6, 0x70, 0xFD, 0xA5, 0x05, 0x58, 0x20, 0xAA,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+ 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0x04,
+ 0x60, 0x01, 0x60, 0x06, 0x66, 0x53, 0x48, 0x41,
+ 0x32, 0x35, 0x36, 0x02, 0x58, 0x20, 0x28, 0x3D,
+ 0x0C, 0x25, 0x22, 0x0C, 0x87, 0x46, 0xA0, 0x58,
+ 0x64, 0x6C, 0x0B, 0x14, 0x37, 0x39, 0x40, 0x9D,
+ 0x2D, 0x11, 0xD1, 0xCC, 0x54, 0x51, 0xB4, 0x29,
+ 0x22, 0xCD, 0x70, 0x92, 0x71, 0xC3, 0x3A, 0x00,
+ 0x01, 0x25, 0x01, 0x77, 0x77, 0x77, 0x77, 0x2E,
+ 0x74, 0x72, 0x75, 0x73, 0x74, 0x65, 0x64, 0x66,
+ 0x69, 0x72, 0x6D, 0x77, 0x61, 0x72, 0x65, 0x2E,
+ 0x6F, 0x72, 0x67, 0x3A, 0x00, 0x01, 0x24, 0xF7,
+ 0x71, 0x50, 0x53, 0x41, 0x5F, 0x49, 0x4F, 0x54,
+ 0x5F, 0x50, 0x52, 0x4F, 0x46, 0x49, 0x4C, 0x45,
+ 0x5F, 0x31, 0x3A, 0x00, 0x01, 0x24, 0xFC, 0x70,
+ 0x30, 0x36, 0x30, 0x34, 0x35, 0x36, 0x35, 0x32,
+ 0x37, 0x32, 0x38, 0x32, 0x39, 0x31, 0x30, 0x30,
+ 0x58, 0x40, 0x1E, 0x0D, 0x2B, 0xD8, 0x7A, 0xC9,
+ 0x2D, 0xCB, 0x73, 0xD1, 0x42, 0x2F, 0xBF, 0xDA,
+ 0x24, 0x71, 0xE2, 0xAF, 0xEA, 0x48, 0x60, 0x17,
+ 0x23, 0x75, 0x64, 0xAC, 0xCC, 0x23, 0xA2, 0x67,
+ 0xC4, 0xE7, 0x8F, 0x1C, 0x7C, 0x68, 0x49, 0x42,
+ 0x4D, 0xDA, 0xC6, 0xD6, 0x21, 0x1C, 0xAA, 0x00,
+ 0xDA, 0x1E, 0x68, 0x56, 0xA3, 0x48, 0xEE, 0xA7,
+ 0x92, 0xA9, 0x09, 0x83, 0x42, 0x04, 0x06, 0x9E,
+ 0x62, 0xBB
+};
+
+psa_status_t
+rss_delegated_attest_get_delegated_key(uint8_t ecc_curve,
+ uint32_t key_bits,
+ uint8_t *key_buf,
+ size_t key_buf_size,
+ size_t *key_size,
+ uint32_t hash_algo)
+{
+ (void)ecc_curve;
+ (void)key_bits;
+ (void)hash_algo;
+
+ if (key_buf_size < sizeof(delegated_key)) {
+ return PSA_ERROR_BUFFER_TOO_SMALL;
+ }
+
+ (void)memcpy(key_buf, delegated_key, sizeof(delegated_key));
+ *key_size = sizeof(delegated_key);
+
+ return PSA_SUCCESS;
+}
+psa_status_t
+rss_delegated_attest_get_token(const uint8_t *dak_pub_hash,
+ size_t dak_pub_hash_size,
+ uint8_t *token_buf,
+ size_t token_buf_size,
+ size_t *token_size)
+{
+ (void)dak_pub_hash;
+ (void)dak_pub_hash_size;
+
+ if (token_buf_size < sizeof(platform_token)) {
+ return PSA_ERROR_BUFFER_TOO_SMALL;
+ }
+
+ (void)memcpy(token_buf, platform_token, sizeof(platform_token));
+ *token_size = sizeof(platform_token);
+
+ return PSA_SUCCESS;
+}
+#endif /* !PLAT_RSS_NOT_SUPPORTED */
diff --git a/lib/psa/measured_boot.c b/lib/psa/measured_boot.c
new file mode 100644
index 0000000..6e9ff78
--- /dev/null
+++ b/lib/psa/measured_boot.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <string.h>
+
+#include <common/debug.h>
+#include <measured_boot.h>
+#include <psa/client.h>
+#include <psa_manifest/sid.h>
+
+#include "measured_boot_private.h"
+
+static void print_byte_array(const uint8_t *array __unused, size_t len __unused)
+{
+#if LOG_LEVEL >= LOG_LEVEL_INFO
+ size_t i;
+
+ if (array == NULL || len == 0U) {
+ (void)printf("\n");
+ } else {
+ for (i = 0U; i < len; ++i) {
+ (void)printf(" %02x", array[i]);
+ if ((i & U(0xF)) == U(0xF)) {
+ (void)printf("\n");
+ if (i < (len - 1U)) {
+ INFO("\t\t:");
+ }
+ }
+ }
+ }
+#endif
+}
+
+static void log_measurement(uint8_t index,
+ const uint8_t *signer_id,
+ size_t signer_id_size,
+ const uint8_t *version, /* string */
+ size_t version_size,
+ const uint8_t *sw_type, /* string */
+ size_t sw_type_size,
+ uint32_t measurement_algo,
+ const uint8_t *measurement_value,
+ size_t measurement_value_size,
+ bool lock_measurement)
+{
+ INFO("Measured boot extend measurement:\n");
+ INFO(" - slot : %u\n", index);
+ INFO(" - signer_id :");
+ print_byte_array(signer_id, signer_id_size);
+ INFO(" - version : %s\n", version);
+ INFO(" - version_size: %zu\n", version_size);
+ INFO(" - sw_type : %s\n", sw_type);
+ INFO(" - sw_type_size: %zu\n", sw_type_size);
+ INFO(" - algorithm : %x\n", measurement_algo);
+ INFO(" - measurement :");
+ print_byte_array(measurement_value, measurement_value_size);
+ INFO(" - locking : %s\n", lock_measurement ? "true" : "false");
+}
+
+#if !PLAT_RSS_NOT_SUPPORTED
+psa_status_t
+rss_measured_boot_extend_measurement(uint8_t index,
+ const uint8_t *signer_id,
+ size_t signer_id_size,
+ const uint8_t *version,
+ size_t version_size,
+ uint32_t measurement_algo,
+ const uint8_t *sw_type,
+ size_t sw_type_size,
+ const uint8_t *measurement_value,
+ size_t measurement_value_size,
+ bool lock_measurement)
+{
+ struct measured_boot_extend_iovec_t extend_iov = {
+ .index = index,
+ .lock_measurement = lock_measurement,
+ .measurement_algo = measurement_algo,
+ .sw_type = {0},
+ .sw_type_size = sw_type_size,
+ };
+
+ psa_invec in_vec[] = {
+ {.base = &extend_iov,
+ .len = sizeof(struct measured_boot_extend_iovec_t)},
+ {.base = signer_id, .len = signer_id_size},
+ {.base = version, .len = version_size},
+ {.base = measurement_value, .len = measurement_value_size}
+ };
+
+ if (sw_type != NULL) {
+ if (sw_type_size > SW_TYPE_MAX_SIZE) {
+ return PSA_ERROR_INVALID_ARGUMENT;
+ }
+ memcpy(extend_iov.sw_type, sw_type, sw_type_size);
+ }
+
+ log_measurement(index, signer_id, signer_id_size,
+ version, version_size, sw_type, sw_type_size,
+ measurement_algo, measurement_value,
+ measurement_value_size, lock_measurement);
+
+ return psa_call(RSS_MEASURED_BOOT_HANDLE,
+ RSS_MEASURED_BOOT_EXTEND,
+ in_vec, IOVEC_LEN(in_vec),
+ NULL, 0);
+}
+
+#else /* !PLAT_RSS_NOT_SUPPORTED */
+
+psa_status_t
+rss_measured_boot_extend_measurement(uint8_t index,
+ const uint8_t *signer_id,
+ size_t signer_id_size,
+ const uint8_t *version,
+ size_t version_size,
+ uint32_t measurement_algo,
+ const uint8_t *sw_type,
+ size_t sw_type_size,
+ const uint8_t *measurement_value,
+ size_t measurement_value_size,
+ bool lock_measurement)
+{
+ log_measurement(index, signer_id, signer_id_size,
+ version, version_size, sw_type, sw_type_size,
+ measurement_algo, measurement_value,
+ measurement_value_size, lock_measurement);
+
+ return PSA_SUCCESS;
+}
+#endif /* !PLAT_RSS_NOT_SUPPORTED */
diff --git a/lib/psa/measured_boot_private.h b/lib/psa/measured_boot_private.h
new file mode 100644
index 0000000..649c3f6
--- /dev/null
+++ b/lib/psa/measured_boot_private.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef PSA_MEASURED_BOOT_PRIVATE_H
+#define PSA_MEASURED_BOOT_PRIVATE_H
+
+#include <stdint.h>
+
+/* Measured boot message types that distinguish its services */
+#define RSS_MEASURED_BOOT_EXTEND 1002U
+
+struct measured_boot_extend_iovec_t {
+ uint8_t index;
+ uint8_t lock_measurement;
+ uint32_t measurement_algo;
+ uint8_t sw_type[SW_TYPE_MAX_SIZE];
+ uint8_t sw_type_size;
+};
+
+#endif /* PSA_MEASURED_BOOT_PRIVATE_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 08:53:43 +0000