Merge "refactor(fvp): do not use RSS platform token and attestation key APIs" into integration
diff --git a/lib/psa/delegated_attestation.c b/lib/psa/delegated_attestation.c
index a813e84..81e2621 100644
--- a/lib/psa/delegated_attestation.c
+++ b/lib/psa/delegated_attestation.c
@@ -5,13 +5,10 @@
*
*/
-#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,
@@ -74,143 +71,3 @@
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, 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
-};
-
-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/plat/arm/board/fvp/fvp_plat_attest_token.c b/plat/arm/board/fvp/fvp_plat_attest_token.c
index 5af2405..5fb3141 100644
--- a/plat/arm/board/fvp/fvp_plat_attest_token.c
+++ b/plat/arm/board/fvp/fvp_plat_attest_token.c
@@ -4,23 +4,115 @@
* SPDX-License-Identifier: BSD-3-Clause
*/
-#include <delegated_attestation.h>
-#include <psa/error.h>
+#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 platform attestation token through the PSA delegated attestation
- * layer.
- *
- * FVP cannot support RSS hardware at the moment, but it can still mock the
- * RSS implementation of the PSA interface (see PLAT_RSS_NOT_SUPPORTED).
+ * Get the hardcoded platform attestation token as FVP does not support
+ * RSS.
*/
int plat_rmmd_get_cca_attest_token(uintptr_t buf, size_t *len,
uintptr_t hash, size_t hash_size)
{
- psa_status_t ret;
+ (void)hash;
+ (void)hash_size;
- ret = rss_delegated_attest_get_token((const uint8_t *)hash, hash_size,
- (uint8_t *)buf, *len, len);
+ 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 ret;
+ return 0;
}
diff --git a/plat/arm/board/fvp/fvp_realm_attest_key.c b/plat/arm/board/fvp/fvp_realm_attest_key.c
index 26354f4..fe0cde7 100644
--- a/plat/arm/board/fvp/fvp_realm_attest_key.c
+++ b/plat/arm/board/fvp/fvp_realm_attest_key.c
@@ -4,27 +4,33 @@
* SPDX-License-Identifier: BSD-3-Clause
*/
-#include <assert.h>
-#include <delegated_attestation.h>
-#include <psa/error.h>
-#include <services/rmmd_svc.h>
+#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 delegated realm attestation key through the PSA delegated
- * attestation layer.
- *
- * FVP cannot support RSS hardware at the moment, but it can still mock
- * the RSS implementation of the PSA interface (see PLAT_RSS_NOT_SUPPORTED).
+ * Get the hardcoded delegated realm attestation key as FVP
+ * does not support RSS.
*/
int plat_rmmd_get_cca_realm_attest_key(uintptr_t buf, size_t *len,
unsigned int type)
{
- psa_status_t ret;
+ if (*len < sizeof(sample_delegated_key)) {
+ return -EINVAL;
+ }
- assert(type == ATTEST_KEY_CURVE_ECC_SECP384R1);
-
- ret = rss_delegated_attest_get_delegated_key(0U, 0U, (uint8_t *)buf,
- *len, len, 0U);
+ (void)memcpy((void *)buf, (const void *)sample_delegated_key,
+ sizeof(sample_delegated_key));
+ *len = sizeof(sample_delegated_key);
- return ret;
+ return 0;
}
diff --git a/plat/arm/board/fvp/platform.mk b/plat/arm/board/fvp/platform.mk
index 902a5df..9eb6659 100644
--- a/plat/arm/board/fvp/platform.mk
+++ b/plat/arm/board/fvp/platform.mk
@@ -269,11 +269,6 @@
BL31_SOURCES += plat/arm/board/fvp/fvp_plat_attest_token.c \
plat/arm/board/fvp/fvp_realm_attest_key.c
-
-# FVP platform does not support RSS, but it can leverage RSS APIs to
-# provide hardcoded token/key on request.
-BL31_SOURCES += lib/psa/delegated_attestation.c
-
endif
ifeq (${ENABLE_FEAT_RNG_TRAP},1)