| /* |
| * Copyright (c) 2022-2023, 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, 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 */ |