1 /* 2 * Copyright (c) 2021, Arm Limited. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 * 6 */ 7 8 #include <stdint.h> 9 #include "psa/crypto.h" 10 11 /* 12 * This file contains the hard coded public key part of the ECDSA P-256 secret 13 * key in: platform/ext/common/template/tfm_initial_attestation_key.pem 14 * 15 * The public key is used to verify the initial attestation token (IAT) for test 16 * and debug purpose only. This file is built only when tests are enabled. 17 * 18 * The key is stored in raw format, without any encoding(ASN.1, COSE). 19 * 20 * ####### DO NOT USE THIS KEY IN PRODUCTION ####### 21 */ 22 23 /* Type of the EC curve which the key belongs to, in PSA curve ID form */ 24 const psa_ecc_family_t initial_attest_curve_type = PSA_ECC_FAMILY_SECP_R1; 25 26 /* 27 * Initial attestation public key in raw format, without any encoding. 28 * It belongs to the ECDSA P-256 curve. 29 * 30 * The octet string below is the output of psa_export_public_key(), which 31 * consists of the following parts: 32 * - The byte 0x04; 33 * - x_P as a 32 byte string, big-endian; 34 * - y_P as a 32 byte string, big-endian; 35 * 36 * The octet string can be passed to psa_import_key() to create a public key 37 * object for IAT verification. 38 * 39 * See psa_export_public_key() in PSA Crypto API spec for more details of 40 * representation of the public key. 41 */ 42 const uint8_t initial_attest_pub_key[] = 43 { 44 0x04, 0x79, 0xEB, 0xA9, 0x0E, 0x8B, 0xF4, 0x50, 45 0xA6, 0x75, 0x15, 0x76, 0xAD, 0x45, 0x99, 0xB0, 46 0x7A, 0xDF, 0x93, 0x8D, 0xA3, 0xBB, 0x0B, 0xD1, 47 0x7D, 0x00, 0x36, 0xED, 0x49, 0xA2, 0xD0, 0xFC, 48 0x3F, 0xBF, 0xCD, 0xFA, 0x89, 0x56, 0xB5, 0x68, 49 0xBF, 0xDB, 0x86, 0x73, 0xE6, 0x48, 0xD8, 0xB5, 50 0x8D, 0x92, 0x99, 0x55, 0xB1, 0x4A, 0x26, 0xC3, 51 0x08, 0x0F, 0x34, 0x11, 0x7D, 0x97, 0x1D, 0x68, 52 0x64, 53 }; 54 55 const uint32_t initial_attest_pub_key_size = sizeof(initial_attest_pub_key); 56
