feat(psa): remove initial attestation partition API
The attestation key derivation and platform attestation token
creation functionality is provided by the Delegated Attestation
partition in RSS.
Signed-off-by: Tamas Ban <tamas.ban@arm.com>
Change-Id: I2d8c0e6589d11e7c81c698adf75ee2a993e3a0c6
diff --git a/include/lib/psa/initial_attestation.h b/include/lib/psa/initial_attestation.h
deleted file mode 100644
index 93169f0..0000000
--- a/include/lib/psa/initial_attestation.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Copyright (c) 2018-2022, Arm Limited. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- *
- */
-
-#ifndef PSA_INITIAL_ATTESTATION_H
-#define PSA_INITIAL_ATTESTATION_H
-
-#include <limits.h>
-#include <stddef.h>
-#include <stdint.h>
-
-#include "psa/error.h"
-
-/*
- * Initial attestation API version is: 1.0.0
- */
-#define PSA_INITIAL_ATTEST_API_VERSION_MAJOR (1)
-#define PSA_INITIAL_ATTEST_API_VERSION_MINOR (0)
-
-/* The allowed size of input challenge in bytes. */
-#define PSA_INITIAL_ATTEST_CHALLENGE_SIZE_32 32U
-#define PSA_INITIAL_ATTEST_CHALLENGE_SIZE_48 48U
-#define PSA_INITIAL_ATTEST_CHALLENGE_SIZE_64 64U
-
-/* Initial Attestation message types that distinguish Attest services. */
-#define RSS_ATTEST_GET_TOKEN 1001U
-#define RSS_ATTEST_GET_TOKEN_SIZE 1002U
-#define RSS_ATTEST_GET_DELEGATED_KEY 1003U
-
-/**
- * Get the platform attestation token.
- *
- * auth_challenge Pointer to buffer where challenge input is stored. This
- * must be the hash of the public part of the delegated
- * attestation key.
- * challenge_size Size of challenge object in bytes.
- * token_buf Pointer to the buffer where attestation token will be
- * stored.
- * token_buf_size Size of allocated buffer for token, in bytes.
- * token_size Size of the token that has been returned, in bytes.
- *
- * Returns error code as specified in psa_status_t.
- */
-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);
-
-#endif /* PSA_INITIAL_ATTESTATION_H */
diff --git a/include/lib/psa/psa_manifest/sid.h b/include/lib/psa/psa_manifest/sid.h
index bbd2e22..0bdeed4 100644
--- a/include/lib/psa/psa_manifest/sid.h
+++ b/include/lib/psa/psa_manifest/sid.h
@@ -8,9 +8,6 @@
#ifndef PSA_MANIFEST_SID_H
#define PSA_MANIFEST_SID_H
-/******** PSA_SP_INITIAL_ATTESTATION ********/
-#define RSS_ATTESTATION_SERVICE_HANDLE (0x40000103U)
-
/******** PSA_SP_MEASURED_BOOT ********/
#define RSS_MEASURED_BOOT_HANDLE (0x40000110U)
diff --git a/lib/psa/initial_attestation.c b/lib/psa/initial_attestation.c
deleted file mode 100644
index 44498a8..0000000
--- a/lib/psa/initial_attestation.c
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * 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>
-
-#if !PLAT_RSS_NOT_SUPPORTED
-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;
-}
-
-#else /* !PLAT_RSS_NOT_SUPPORTED */
-
-#include <string.h>
-
-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
-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)
-{
- (void)auth_challenge;
- (void)challenge_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 */