feat(qemu): use mock attestation functions for RME
Since QEMU doesn't yet emulate hardware attestation, provide hardcoded
key and token to demonstrate attestation for RME. They are copied from
the mock values for the FVP platform.
Change-Id: I9ce686955345854e9409af5c3aad2a648adea226
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
diff --git a/plat/qemu/common/common.mk b/plat/qemu/common/common.mk
index 2dcac69..36d9f5b 100644
--- a/plat/qemu/common/common.mk
+++ b/plat/qemu/common/common.mk
@@ -1,5 +1,5 @@
#
-# Copyright (c) 2023, Linaro Limited and Contributors. All rights reserved.
+# Copyright (c) 2023-2024, Linaro Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
@@ -126,6 +126,11 @@
ENABLE_SME_FOR_NS := 2
endif
+ifeq (${ENABLE_RME},1)
+BL31_SOURCES += plat/qemu/common/qemu_plat_attest_token.c \
+ plat/qemu/common/qemu_realm_attest_key.c
+endif
+
# Treating this as a memory-constrained port for now
USE_COHERENT_MEM := 0
diff --git a/plat/qemu/common/qemu_plat_attest_token.c b/plat/qemu/common/qemu_plat_attest_token.c
new file mode 100644
index 0000000..cf3376d
--- /dev/null
+++ b/plat/qemu/common/qemu_plat_attest_token.c
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2024, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <errno.h>
+#include <string.h>
+
+#include <plat/common/platform.h>
+
+static const uint8_t sample_platform_token[] = {
+ 0xD2, 0x84, 0x44, 0xA1, 0x01, 0x38, 0x22, 0xA0,
+ 0x59, 0x02, 0x33, 0xA9, 0x19, 0x01, 0x09, 0x78,
+ 0x1C, 0x68, 0x74, 0x74, 0x70, 0x3A, 0x2F, 0x2F,
+ 0x61, 0x72, 0x6D, 0x2E, 0x63, 0x6F, 0x6D, 0x2F,
+ 0x43, 0x43, 0x41, 0x2D, 0x53, 0x53, 0x44, 0x2F,
+ 0x31, 0x2E, 0x30, 0x2E, 0x30, 0x0A, 0x58, 0x20,
+ 0xB5, 0x97, 0x3C, 0xB6, 0x8B, 0xAA, 0x9F, 0xC5,
+ 0x55, 0x58, 0x78, 0x6B, 0x7E, 0xC6, 0x7F, 0x69,
+ 0xE4, 0x0D, 0xF5, 0xBA, 0x5A, 0xA9, 0x21, 0xCD,
+ 0x0C, 0x27, 0xF4, 0x05, 0x87, 0xA0, 0x11, 0xEA,
+ 0x19, 0x09, 0x5C, 0x58, 0x20, 0x7F, 0x45, 0x4C,
+ 0x46, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x3E,
+ 0x00, 0x01, 0x00, 0x00, 0x00, 0x50, 0x58, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x19, 0x01, 0x00,
+ 0x58, 0x21, 0x01, 0x07, 0x06, 0x05, 0x04, 0x03,
+ 0x02, 0x01, 0x00, 0x0F, 0x0E, 0x0D, 0x0C, 0x0B,
+ 0x0A, 0x09, 0x08, 0x17, 0x16, 0x15, 0x14, 0x13,
+ 0x12, 0x11, 0x10, 0x1F, 0x1E, 0x1D, 0x1C, 0x1B,
+ 0x1A, 0x19, 0x18, 0x19, 0x09, 0x61, 0x58, 0x21,
+ 0x01, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01,
+ 0x00, 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09,
+ 0x08, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11,
+ 0x10, 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x1A, 0x19,
+ 0x18, 0x19, 0x09, 0x5B, 0x19, 0x30, 0x03, 0x19,
+ 0x09, 0x62, 0x67, 0x73, 0x68, 0x61, 0x2D, 0x32,
+ 0x35, 0x36, 0x19, 0x09, 0x5F, 0x84, 0xA5, 0x01,
+ 0x62, 0x42, 0x4C, 0x05, 0x58, 0x20, 0x07, 0x06,
+ 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 0x0F, 0x0E,
+ 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x17, 0x16,
+ 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x1F, 0x1E,
+ 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0x04, 0x65,
+ 0x33, 0x2E, 0x34, 0x2E, 0x32, 0x02, 0x58, 0x20,
+ 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00,
+ 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08,
+ 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10,
+ 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18,
+ 0x06, 0x74, 0x54, 0x46, 0x2D, 0x4D, 0x5F, 0x53,
+ 0x48, 0x41, 0x32, 0x35, 0x36, 0x4D, 0x65, 0x6D,
+ 0x50, 0x72, 0x65, 0x58, 0x49, 0x50, 0xA4, 0x01,
+ 0x62, 0x4D, 0x31, 0x05, 0x58, 0x20, 0x07, 0x06,
+ 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 0x0F, 0x0E,
+ 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x17, 0x16,
+ 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x1F, 0x1E,
+ 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0x04, 0x63,
+ 0x31, 0x2E, 0x32, 0x02, 0x58, 0x20, 0x07, 0x06,
+ 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 0x0F, 0x0E,
+ 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x17, 0x16,
+ 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x1F, 0x1E,
+ 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0xA4, 0x01,
+ 0x62, 0x4D, 0x32, 0x05, 0x58, 0x20, 0x07, 0x06,
+ 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 0x0F, 0x0E,
+ 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x17, 0x16,
+ 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x1F, 0x1E,
+ 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0x04, 0x65,
+ 0x31, 0x2E, 0x32, 0x2E, 0x33, 0x02, 0x58, 0x20,
+ 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00,
+ 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08,
+ 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10,
+ 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18,
+ 0xA4, 0x01, 0x62, 0x4D, 0x33, 0x05, 0x58, 0x20,
+ 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00,
+ 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08,
+ 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10,
+ 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18,
+ 0x04, 0x61, 0x31, 0x02, 0x58, 0x20, 0x07, 0x06,
+ 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 0x0F, 0x0E,
+ 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x17, 0x16,
+ 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x1F, 0x1E,
+ 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0x19, 0x09,
+ 0x60, 0x6C, 0x77, 0x68, 0x61, 0x74, 0x65, 0x76,
+ 0x65, 0x72, 0x2E, 0x63, 0x6F, 0x6D, 0x58, 0x60,
+ 0xE6, 0xB6, 0x38, 0x4F, 0xAE, 0x3F, 0x6E, 0x67,
+ 0xF5, 0xD4, 0x97, 0x4B, 0x3F, 0xFD, 0x0A, 0xFA,
+ 0x1D, 0xF0, 0x2F, 0x73, 0xB8, 0xFF, 0x5F, 0x02,
+ 0xC0, 0x0F, 0x40, 0xAC, 0xF3, 0xA2, 0x9D, 0xB5,
+ 0x31, 0x50, 0x16, 0x4F, 0xFA, 0x34, 0x3D, 0x0E,
+ 0xAF, 0xE0, 0xD0, 0xD1, 0x6C, 0xF0, 0x9D, 0xC1,
+ 0x01, 0x42, 0xA2, 0x3C, 0xCE, 0xD4, 0x4A, 0x59,
+ 0xDC, 0x29, 0x0A, 0x30, 0x93, 0x5F, 0xB4, 0x98,
+ 0x61, 0xBA, 0xE3, 0x91, 0x22, 0x95, 0x24, 0xF4,
+ 0xAE, 0x47, 0x93, 0xD3, 0x84, 0xA3, 0x76, 0xD0,
+ 0xC1, 0x26, 0x96, 0x53, 0xA3, 0x60, 0x3F, 0x6C,
+ 0x75, 0x96, 0x90, 0x6A, 0xF9, 0x4E, 0xDA, 0x30
+};
+
+/*
+ * Get the hardcoded platform attestation token as QEMU does not support
+ * RSS.
+ */
+int plat_rmmd_get_cca_attest_token(uintptr_t buf, size_t *len,
+ uintptr_t hash, size_t hash_size)
+{
+ (void)hash;
+ (void)hash_size;
+
+ if (*len < sizeof(sample_platform_token)) {
+ return -EINVAL;
+ }
+
+ (void)memcpy((void *)buf, (const void *)sample_platform_token,
+ sizeof(sample_platform_token));
+ *len = sizeof(sample_platform_token);
+
+ return 0;
+}
diff --git a/plat/qemu/common/qemu_realm_attest_key.c b/plat/qemu/common/qemu_realm_attest_key.c
new file mode 100644
index 0000000..abd569b
--- /dev/null
+++ b/plat/qemu/common/qemu_realm_attest_key.c
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2024, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <errno.h>
+#include <string.h>
+
+#include <plat/common/platform.h>
+
+static const uint8_t sample_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
+};
+
+/*
+ * Get the hardcoded delegated realm attestation key as QEMU
+ * does not support RSS.
+ */
+int plat_rmmd_get_cca_realm_attest_key(uintptr_t buf, size_t *len,
+ unsigned int type)
+{
+ if (*len < sizeof(sample_delegated_key)) {
+ return -EINVAL;
+ }
+
+ (void)memcpy((void *)buf, (const void *)sample_delegated_key,
+ sizeof(sample_delegated_key));
+ *len = sizeof(sample_delegated_key);
+
+ return 0;
+}