| // Copyright (c) 2017 Baidu, Inc. All Rights Reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions |
| // are met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above copyright |
| // notice, this list of conditions and the following disclaimer in |
| // the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Baidu, Inc., nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef _REMOTE_ATTESTATION_RESULT_H_ |
| #define _REMOTE_ATTESTATION_RESULT_H_ |
| |
| #include <stdint.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define SAMPLE_MAC_SIZE 16 /* Message Authentication Code*/ |
| /* - 16 bytes*/ |
| typedef uint8_t sample_mac_t[SAMPLE_MAC_SIZE]; |
| |
| #ifndef SAMPLE_FEBITSIZE |
| #define SAMPLE_FEBITSIZE 256 |
| #endif |
| |
| #define SAMPLE_NISTP256_KEY_SIZE (SAMPLE_FEBITSIZE/ 8 /sizeof(uint32_t)) |
| |
| typedef struct sample_ec_sign256_t { |
| uint32_t x[SAMPLE_NISTP256_KEY_SIZE]; |
| uint32_t y[SAMPLE_NISTP256_KEY_SIZE]; |
| } sample_ec_sign256_t; |
| |
| #pragma pack(push,1) |
| |
| #define SAMPLE_SP_TAG_SIZE 16 |
| |
| typedef struct sp_aes_gcm_data_t { |
| uint32_t payload_size; /* 0: Size of the payload which is*/ |
| /* encrypted*/ |
| uint8_t reserved[12]; /* 4: Reserved bits*/ |
| uint8_t payload_tag[SAMPLE_SP_TAG_SIZE]; |
| /* 16: AES-GMAC of the plain text,*/ |
| /* payload, and the sizes*/ |
| uint8_t payload[]; /* 32: Ciphertext of the payload*/ |
| /* followed by the plain text*/ |
| } sp_aes_gcm_data_t; |
| |
| |
| #define ISVSVN_SIZE 2 |
| #define PSDA_SVN_SIZE 4 |
| #define GID_SIZE 4 |
| #define PSVN_SIZE 18 |
| |
| /* @TODO: Modify at production to use the values specified by an Production*/ |
| /* attestation server API*/ |
| typedef struct ias_platform_info_blob_t { |
| uint8_t sample_epid_group_status; |
| uint16_t sample_tcb_evaluation_status; |
| uint16_t pse_evaluation_status; |
| uint8_t latest_equivalent_tcb_psvn[PSVN_SIZE]; |
| uint8_t latest_pse_isvsvn[ISVSVN_SIZE]; |
| uint8_t latest_psda_svn[PSDA_SVN_SIZE]; |
| uint8_t performance_rekey_gid[GID_SIZE]; |
| sample_ec_sign256_t signature; |
| } ias_platform_info_blob_t; |
| |
| |
| typedef struct sample_ra_att_result_msg_t { |
| ias_platform_info_blob_t platform_info_blob; |
| sample_mac_t mac; /* mac_smk(attestation_status)*/ |
| sp_aes_gcm_data_t secret; |
| } sample_ra_att_result_msg_t; |
| |
| #pragma pack(pop) |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |