1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License..

use super::*;

use core::fmt;

//
// sgx_report2.h
//
pub const TEE_HASH_384_SIZE: usize = 48; // SHA384
pub const TEE_MAC_SIZE: usize = 32; // Message SHA 256 HASH Code - 32 bytes

pub const REPORT2_DATA_SIZE: usize = 64;
pub const TEE_CPU_SVN_SIZE: usize = 16;

pub type TeeMac = [u8; TEE_MAC_SIZE];

impl_struct! {
    #[repr(C)]
    #[derive(Debug, Eq, PartialEq)]
    pub struct TeeCpuSvn {
        pub svn: [u8; TEE_CPU_SVN_SIZE],
    }

    #[repr(C)]
    #[derive(Debug, Eq, PartialEq)]
    pub struct TeeAttributes {
        pub a: [u32; 2],
    }
}

impl_asref_array! {
    TeeCpuSvn;
    TeeAttributes;
}
impl_asmut_array! {
    TeeCpuSvn;
    TeeAttributes;
}
impl_from_array! {
    TeeCpuSvn;
    TeeAttributes;
}

impl_copy_clone! {
    #[repr(C)]
    #[derive(Debug, Eq, PartialEq)]
    pub struct TeeMeasurement {
        pub m: [u8; TEE_HASH_384_SIZE],
    }
}

impl_copy_clone! {
    #[repr(C)]
    #[derive(Debug)]
    pub struct TeeReportData {
        pub d: [u8; REPORT2_DATA_SIZE],
    }
}

impl_struct_default! {
    TeeMeasurement; //48
    TeeReportData;  //64
}

impl_struct_ContiguousMemory! {
    TeeMeasurement;
    TeeReportData;
}

impl_unsafe_marker_for! {
    BytewiseEquality,
    TeeCpuSvn TeeMeasurement TeeReportData
}

impl_asref_array! {
    TeeMeasurement;
    TeeReportData;
}

impl_asmut_array! {
    TeeMeasurement;
    TeeReportData;
}

impl_from_array! {
    TeeMeasurement;
    TeeReportData;
}

pub const LEGACY_REPORT_TYPE: u8 = 0x0; // SGX Legacy Report Type
pub const TEE_REPORT2_TYPE: u8 = 0x81; // TEE Report Type2
pub const TEE_REPORT2_SUBTYPE: u8 = 0x0; // SUBTYPE for Report Type2 is 0
pub const TEE_REPORT2_VERSION: u8 = 0x0; // VERSION for Report Type2 is 0

impl_struct! {
    #[repr(C)]
    #[derive(Debug, Eq, PartialEq)]
    pub struct TeeReportType {
        pub report_type: u8,
        pub subtype: u8,
        pub version: u8,
        pub reserved: u8,
    }
}

impl_asref_array! {
    TeeReportType;
}

pub const REPORT2_MAC_RESERVED1_BYTES: usize = 12;
pub const REPORT2_MAC_RESERVED2_BYTES: usize = 32;
impl_copy_clone! {
    #[repr(C)]
    pub struct Report2Mac {
        pub report_type: TeeReportType,
        pub reserved1: [u8; REPORT2_MAC_RESERVED1_BYTES],
        pub cpu_svn: TeeCpuSvn,
        pub tee_tcb_info_hash: TeeMeasurement,
        pub tee_info_hash: TeeMeasurement,
        pub report_data: TeeReportData,
        pub reserved2: [u8; REPORT2_MAC_RESERVED2_BYTES],
        pub mac: TeeMac,
    }
}

pub const TEE_TCB_INFO_SIZE: usize = 239;
pub const TEE_REPORT_RESERVED_BYTES: usize = 17;
pub const TEE_INFO_SIZE: usize = 512;
impl_copy_clone! {
    #[repr(C)]
    pub struct Report2 {
        pub report_mac: Report2Mac,
        pub tee_tcb_info: [u8; TEE_TCB_INFO_SIZE],
        pub reserved: [u8; TEE_REPORT_RESERVED_BYTES],
        pub tee_info: [u8; TEE_INFO_SIZE],
    }
}

impl_struct_default! {
    Report2Mac; //256
    Report2;    //1024
}

impl_struct_ContiguousMemory! {
    Report2Mac;
    Report2;
}

impl_asref_array! {
    Report2Mac;
    Report2;
}

impl fmt::Debug for Report2Mac {
    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
        fmt.debug_struct("Report2Mac")
            .field("report_type", &self.report_type)
            .field("cpu_svn", &self.cpu_svn)
            .field("tee_tcb_info_hash", &self.tee_tcb_info_hash)
            .field("tee_info_hash", &self.tee_info_hash)
            .field("report_data", &self.report_data)
            .field("mac", &self.mac)
            .finish()
    }
}

impl fmt::Debug for Report2 {
    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
        fmt.debug_struct("Report2")
            .field("report_mac", &self.report_mac)
            .field("tee_tcb_info", &self.tee_tcb_info)
            .field("tee_info", &self.tee_info)
            .finish()
    }
}