1 /* 2 * Copyright (c) 2022-2023, Arm Limited. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 * 6 */ 7 8 #include <string.h> 9 10 #include <delegated_attestation.h> 11 #include <psa/client.h> 12 #include <psa_manifest/sid.h> 13 14 #if !PLAT_RSS_NOT_SUPPORTED 15 psa_status_t 16 rss_delegated_attest_get_delegated_key(uint8_t ecc_curve, 17 uint32_t key_bits, 18 uint8_t *key_buf, 19 size_t key_buf_size, 20 size_t *key_size, 21 uint32_t hash_algo) 22 { 23 psa_status_t status; 24 psa_invec in_vec[] = { 25 {&ecc_curve, sizeof(ecc_curve)}, 26 {&key_bits, sizeof(key_bits)}, 27 {&hash_algo, sizeof(hash_algo)} 28 }; 29 psa_outvec out_vec[] = { 30 {key_buf, key_buf_size} 31 }; 32 33 if (key_size == NULL) { 34 return PSA_ERROR_INVALID_ARGUMENT; 35 } 36 37 status = psa_call(RSS_DELEGATED_SERVICE_HANDLE, 38 RSS_DELEGATED_ATTEST_GET_DELEGATED_KEY, 39 in_vec, IOVEC_LEN(in_vec), 40 out_vec, IOVEC_LEN(out_vec)); 41 if (status == PSA_SUCCESS) { 42 *key_size = out_vec[0].len; 43 } 44 45 return status; 46 } 47 48 psa_status_t 49 rss_delegated_attest_get_token(const uint8_t *dak_pub_hash, 50 size_t dak_pub_hash_size, 51 uint8_t *token_buf, 52 size_t token_buf_size, 53 size_t *token_size) 54 { 55 psa_status_t status; 56 psa_invec in_vec[] = { 57 {dak_pub_hash, dak_pub_hash_size} 58 }; 59 psa_outvec out_vec[] = { 60 {token_buf, token_buf_size} 61 }; 62 63 if (token_size == NULL) { 64 return PSA_ERROR_INVALID_ARGUMENT; 65 } 66 67 status = psa_call(RSS_DELEGATED_SERVICE_HANDLE, 68 RSS_DELEGATED_ATTEST_GET_PLATFORM_TOKEN, 69 in_vec, IOVEC_LEN(in_vec), 70 out_vec, IOVEC_LEN(out_vec)); 71 if (status == PSA_SUCCESS) { 72 *token_size = out_vec[0].len; 73 } 74 75 return status; 76 } 77 78 79 #else /* !PLAT_RSS_NOT_SUPPORTED */ 80 81 static const uint8_t delegated_key[] = { 82 0x20, 0x11, 0xC7, 0xF0, 0x3C, 0xEE, 0x43, 0x25, 0x17, 0x6E, 83 0x52, 0x4F, 0x03, 0x3C, 0x0C, 0xE1, 0xE2, 0x1A, 0x76, 0xE6, 84 0xC1, 0xA4, 0xF0, 0xB8, 0x39, 0xAA, 0x1D, 0xF6, 0x1E, 0x0E, 85 0x8A, 0x5C, 0x8A, 0x05, 0x74, 0x0F, 0x9B, 0x69, 0xEF, 0xA7, 86 0xEB, 0x1A, 0x41, 0x85, 0xBD, 0x11, 0x7F, 0x68 87 }; 88 89 static const uint8_t platform_token[] = { 90 0xD2, 0x84, 0x44, 0xA1, 0x01, 0x38, 0x22, 0xA0, 91 0x59, 0x02, 0x33, 0xA9, 0x19, 0x01, 0x09, 0x78, 92 0x1C, 0x68, 0x74, 0x74, 0x70, 0x3A, 0x2F, 0x2F, 93 0x61, 0x72, 0x6D, 0x2E, 0x63, 0x6F, 0x6D, 0x2F, 94 0x43, 0x43, 0x41, 0x2D, 0x53, 0x53, 0x44, 0x2F, 95 0x31, 0x2E, 0x30, 0x2E, 0x30, 0x0A, 0x58, 0x20, 96 0xB5, 0x97, 0x3C, 0xB6, 0x8B, 0xAA, 0x9F, 0xC5, 97 0x55, 0x58, 0x78, 0x6B, 0x7E, 0xC6, 0x7F, 0x69, 98 0xE4, 0x0D, 0xF5, 0xBA, 0x5A, 0xA9, 0x21, 0xCD, 99 0x0C, 0x27, 0xF4, 0x05, 0x87, 0xA0, 0x11, 0xEA, 100 0x19, 0x09, 0x5C, 0x58, 0x20, 0x7F, 0x45, 0x4C, 101 0x46, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 102 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x3E, 103 0x00, 0x01, 0x00, 0x00, 0x00, 0x50, 0x58, 0x00, 104 0x00, 0x00, 0x00, 0x00, 0x00, 0x19, 0x01, 0x00, 105 0x58, 0x21, 0x01, 0x07, 0x06, 0x05, 0x04, 0x03, 106 0x02, 0x01, 0x00, 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 107 0x0A, 0x09, 0x08, 0x17, 0x16, 0x15, 0x14, 0x13, 108 0x12, 0x11, 0x10, 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 109 0x1A, 0x19, 0x18, 0x19, 0x09, 0x61, 0x58, 0x21, 110 0x01, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 111 0x00, 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 112 0x08, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 113 0x10, 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 114 0x18, 0x19, 0x09, 0x5B, 0x19, 0x30, 0x03, 0x19, 115 0x09, 0x62, 0x67, 0x73, 0x68, 0x61, 0x2D, 0x32, 116 0x35, 0x36, 0x19, 0x09, 0x5F, 0x84, 0xA5, 0x01, 117 0x62, 0x42, 0x4C, 0x05, 0x58, 0x20, 0x07, 0x06, 118 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 0x0F, 0x0E, 119 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x17, 0x16, 120 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x1F, 0x1E, 121 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0x04, 0x65, 122 0x33, 0x2E, 0x34, 0x2E, 0x32, 0x02, 0x58, 0x20, 123 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 124 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 125 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 126 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 127 0x06, 0x74, 0x54, 0x46, 0x2D, 0x4D, 0x5F, 0x53, 128 0x48, 0x41, 0x32, 0x35, 0x36, 0x4D, 0x65, 0x6D, 129 0x50, 0x72, 0x65, 0x58, 0x49, 0x50, 0xA4, 0x01, 130 0x62, 0x4D, 0x31, 0x05, 0x58, 0x20, 0x07, 0x06, 131 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 0x0F, 0x0E, 132 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x17, 0x16, 133 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x1F, 0x1E, 134 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0x04, 0x63, 135 0x31, 0x2E, 0x32, 0x02, 0x58, 0x20, 0x07, 0x06, 136 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 0x0F, 0x0E, 137 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x17, 0x16, 138 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x1F, 0x1E, 139 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0xA4, 0x01, 140 0x62, 0x4D, 0x32, 0x05, 0x58, 0x20, 0x07, 0x06, 141 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 0x0F, 0x0E, 142 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x17, 0x16, 143 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x1F, 0x1E, 144 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0x04, 0x65, 145 0x31, 0x2E, 0x32, 0x2E, 0x33, 0x02, 0x58, 0x20, 146 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 147 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 148 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 149 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 150 0xA4, 0x01, 0x62, 0x4D, 0x33, 0x05, 0x58, 0x20, 151 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 152 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 153 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 154 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 155 0x04, 0x61, 0x31, 0x02, 0x58, 0x20, 0x07, 0x06, 156 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 0x0F, 0x0E, 157 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x17, 0x16, 158 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x1F, 0x1E, 159 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0x19, 0x09, 160 0x60, 0x6C, 0x77, 0x68, 0x61, 0x74, 0x65, 0x76, 161 0x65, 0x72, 0x2E, 0x63, 0x6F, 0x6D, 0x58, 0x60, 162 0xE6, 0xB6, 0x38, 0x4F, 0xAE, 0x3F, 0x6E, 0x67, 163 0xF5, 0xD4, 0x97, 0x4B, 0x3F, 0xFD, 0x0A, 0xFA, 164 0x1D, 0xF0, 0x2F, 0x73, 0xB8, 0xFF, 0x5F, 0x02, 165 0xC0, 0x0F, 0x40, 0xAC, 0xF3, 0xA2, 0x9D, 0xB5, 166 0x31, 0x50, 0x16, 0x4F, 0xFA, 0x34, 0x3D, 0x0E, 167 0xAF, 0xE0, 0xD0, 0xD1, 0x6C, 0xF0, 0x9D, 0xC1, 168 0x01, 0x42, 0xA2, 0x3C, 0xCE, 0xD4, 0x4A, 0x59, 169 0xDC, 0x29, 0x0A, 0x30, 0x93, 0x5F, 0xB4, 0x98, 170 0x61, 0xBA, 0xE3, 0x91, 0x22, 0x95, 0x24, 0xF4, 171 0xAE, 0x47, 0x93, 0xD3, 0x84, 0xA3, 0x76, 0xD0, 172 0xC1, 0x26, 0x96, 0x53, 0xA3, 0x60, 0x3F, 0x6C, 173 0x75, 0x96, 0x90, 0x6A, 0xF9, 0x4E, 0xDA, 0x30 174 }; 175 176 psa_status_t 177 rss_delegated_attest_get_delegated_key(uint8_t ecc_curve, 178 uint32_t key_bits, 179 uint8_t *key_buf, 180 size_t key_buf_size, 181 size_t *key_size, 182 uint32_t hash_algo) 183 { 184 (void)ecc_curve; 185 (void)key_bits; 186 (void)hash_algo; 187 188 if (key_buf_size < sizeof(delegated_key)) { 189 return PSA_ERROR_BUFFER_TOO_SMALL; 190 } 191 192 (void)memcpy(key_buf, delegated_key, sizeof(delegated_key)); 193 *key_size = sizeof(delegated_key); 194 195 return PSA_SUCCESS; 196 } 197 psa_status_t 198 rss_delegated_attest_get_token(const uint8_t *dak_pub_hash, 199 size_t dak_pub_hash_size, 200 uint8_t *token_buf, 201 size_t token_buf_size, 202 size_t *token_size) 203 { 204 (void)dak_pub_hash; 205 (void)dak_pub_hash_size; 206 207 if (token_buf_size < sizeof(platform_token)) { 208 return PSA_ERROR_BUFFER_TOO_SMALL; 209 } 210 211 (void)memcpy(token_buf, platform_token, sizeof(platform_token)); 212 *token_size = sizeof(platform_token); 213 214 return PSA_SUCCESS; 215 } 216 #endif /* !PLAT_RSS_NOT_SUPPORTED */ 217