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| 1 | +// Copyright 2022 Contributors to the Parsec project. |
| 2 | +// SPDX-License-Identifier: Apache-2.0 |
| 3 | +use std::convert::TryFrom; |
| 4 | +use tss_esapi::{ |
| 5 | + interface_types::{ |
| 6 | + algorithm::{SymmetricMode, SymmetricObject}, |
| 7 | + key_bits::{AesKeyBits, CamelliaKeyBits, Sm4KeyBits}, |
| 8 | + }, |
| 9 | + structures::SymmetricDefinitionObject, |
| 10 | + tss2_esys::{TPMT_SYM_DEF_OBJECT, TPMU_SYM_KEY_BITS, TPMU_SYM_MODE}, |
| 11 | +}; |
| 12 | + |
| 13 | +const SYM_MODES: [SymmetricMode; 5] = [ |
| 14 | + SymmetricMode::Cfb, |
| 15 | + SymmetricMode::Cbc, |
| 16 | + SymmetricMode::Ctr, |
| 17 | + SymmetricMode::Ecb, |
| 18 | + SymmetricMode::Ofb, |
| 19 | +]; |
| 20 | + |
| 21 | +#[test] |
| 22 | +fn test_valid_aes_conversions() { |
| 23 | + const AES_KEY_BITS: [AesKeyBits; 3] = |
| 24 | + [AesKeyBits::Aes128, AesKeyBits::Aes192, AesKeyBits::Aes256]; |
| 25 | + for expected_mode in SYM_MODES { |
| 26 | + for expected_key_bits in AES_KEY_BITS { |
| 27 | + let expected_tpmt_sym_def_object = TPMT_SYM_DEF_OBJECT { |
| 28 | + algorithm: SymmetricObject::Aes.into(), |
| 29 | + keyBits: TPMU_SYM_KEY_BITS { |
| 30 | + aes: expected_key_bits.into(), |
| 31 | + }, |
| 32 | + mode: TPMU_SYM_MODE { |
| 33 | + aes: expected_mode.into(), |
| 34 | + }, |
| 35 | + }; |
| 36 | + |
| 37 | + let sym_def_object = SymmetricDefinitionObject::try_from(expected_tpmt_sym_def_object) |
| 38 | + .expect("Failed to convert TPMT_SYM_DEF_OBJECT into SymmetricDefinitionObject"); |
| 39 | + |
| 40 | + if let SymmetricDefinitionObject::Aes { key_bits, mode } = sym_def_object { |
| 41 | + assert_eq!( |
| 42 | + expected_key_bits, key_bits, "TPMT_SYM_DEF_OBJECT converted into SymmetricDefinitionObject did not contain the correct value for 'key_bits'" |
| 43 | + ); |
| 44 | + assert_eq!(expected_mode, mode, "TPMT_SYM_DEF_OBJECT converted into SymmetricDefinitionObject did not contain the correct value for 'mode'"); |
| 45 | + } else { |
| 46 | + panic!("SymmetricDefinitionObject converted from TPMT_SYM_DEF_OBJECT did not contain the expected algorithm AES"); |
| 47 | + } |
| 48 | + |
| 49 | + let actual_tpmt_sym_def_object = TPMT_SYM_DEF_OBJECT::try_from(sym_def_object) |
| 50 | + .expect("Failed to Convert SymmetricDefinitionObject into TPMT_SYM_DEF"); |
| 51 | + |
| 52 | + crate::common::ensure_tpmt_sym_def_object_equality( |
| 53 | + &expected_tpmt_sym_def_object, |
| 54 | + &actual_tpmt_sym_def_object, |
| 55 | + ); |
| 56 | + } |
| 57 | + } |
| 58 | +} |
| 59 | + |
| 60 | +#[test] |
| 61 | +fn test_valid_sm4_conversions() { |
| 62 | + for expected_mode in SYM_MODES { |
| 63 | + let expected_key_bits = Sm4KeyBits::Sm4_128; |
| 64 | + let expected_tpmt_sym_def_object = TPMT_SYM_DEF_OBJECT { |
| 65 | + algorithm: SymmetricObject::Sm4.into(), |
| 66 | + keyBits: TPMU_SYM_KEY_BITS { |
| 67 | + sm4: expected_key_bits.into(), |
| 68 | + }, |
| 69 | + mode: TPMU_SYM_MODE { |
| 70 | + sm4: expected_mode.into(), |
| 71 | + }, |
| 72 | + }; |
| 73 | + |
| 74 | + let sym_def_object = SymmetricDefinitionObject::try_from(expected_tpmt_sym_def_object) |
| 75 | + .expect("Failed to convert TPMT_SYM_DEF_OBJECT into SymmetricDefinitionObject"); |
| 76 | + |
| 77 | + if let SymmetricDefinitionObject::Sm4 { key_bits, mode } = sym_def_object { |
| 78 | + assert_eq!( |
| 79 | + expected_key_bits, key_bits, "TPMT_SYM_DEF_OBJECT converted into SymmetricDefinitionObject did not contain the correct value for 'key_bits'" |
| 80 | + ); |
| 81 | + assert_eq!(expected_mode, mode, "TPMT_SYM_DEF_OBJECT converted into SymmetricDefinitionObject did not contain the correct value for 'mode'"); |
| 82 | + } else { |
| 83 | + panic!("SymmetricDefinitionObject converted from TPMT_SYM_DEF_OBJECT did not contain the expected algorithm SM4"); |
| 84 | + } |
| 85 | + |
| 86 | + let actual_tpmt_sym_def_object = TPMT_SYM_DEF_OBJECT::try_from(sym_def_object) |
| 87 | + .expect("Failed to Convert SymmetricDefinitionObject into TPMT_SYM_DEF_OBJECT"); |
| 88 | + |
| 89 | + crate::common::ensure_tpmt_sym_def_object_equality( |
| 90 | + &expected_tpmt_sym_def_object, |
| 91 | + &actual_tpmt_sym_def_object, |
| 92 | + ); |
| 93 | + } |
| 94 | +} |
| 95 | + |
| 96 | +#[test] |
| 97 | +fn test_valid_camellia_conversions() { |
| 98 | + const CAMELLIA_KEY_BITS: [CamelliaKeyBits; 3] = [ |
| 99 | + CamelliaKeyBits::Camellia128, |
| 100 | + CamelliaKeyBits::Camellia192, |
| 101 | + CamelliaKeyBits::Camellia256, |
| 102 | + ]; |
| 103 | + for expected_mode in SYM_MODES { |
| 104 | + for expected_key_bits in CAMELLIA_KEY_BITS { |
| 105 | + let expected_tpmt_sym_def_object = TPMT_SYM_DEF_OBJECT { |
| 106 | + algorithm: SymmetricObject::Camellia.into(), |
| 107 | + keyBits: TPMU_SYM_KEY_BITS { |
| 108 | + camellia: expected_key_bits.into(), |
| 109 | + }, |
| 110 | + mode: TPMU_SYM_MODE { |
| 111 | + camellia: expected_mode.into(), |
| 112 | + }, |
| 113 | + }; |
| 114 | + |
| 115 | + let sym_def_object = SymmetricDefinitionObject::try_from(expected_tpmt_sym_def_object) |
| 116 | + .expect("Failed to convert TPMT_SYM_DEF_OBJECT into SymmetricDefinitionObject"); |
| 117 | + |
| 118 | + if let SymmetricDefinitionObject::Camellia { key_bits, mode } = sym_def_object { |
| 119 | + assert_eq!( |
| 120 | + expected_key_bits, key_bits, "TPMT_SYM_DEF_OBJECT converted into SymmetricDefinitionObject did not contain the correct value for 'key_bits'" |
| 121 | + ); |
| 122 | + assert_eq!(expected_mode, mode, "TPMT_SYM_DEF_OBJECT converted into SymmetricDefinitionObject did not contain the correct value for 'mode'"); |
| 123 | + } else { |
| 124 | + panic!("SymmetricDefinitionObject converted from TPMT_SYM_DEF_OBJECT did not contain the expected algorithm CAMELLIA"); |
| 125 | + } |
| 126 | + |
| 127 | + let actual_tpmt_sym_def_object = TPMT_SYM_DEF_OBJECT::try_from(sym_def_object) |
| 128 | + .expect("Failed to Convert SymmetricDefinition into TPMT_SYM_DEF_OBJECT"); |
| 129 | + |
| 130 | + crate::common::ensure_tpmt_sym_def_object_equality( |
| 131 | + &expected_tpmt_sym_def_object, |
| 132 | + &actual_tpmt_sym_def_object, |
| 133 | + ); |
| 134 | + } |
| 135 | + } |
| 136 | +} |
| 137 | + |
| 138 | +#[test] |
| 139 | +fn test_valid_null_conversions() { |
| 140 | + let expected_tpmt_sym_def_object = TPMT_SYM_DEF_OBJECT { |
| 141 | + algorithm: SymmetricObject::Null.into(), |
| 142 | + keyBits: Default::default(), |
| 143 | + mode: Default::default(), |
| 144 | + }; |
| 145 | + |
| 146 | + let sym_def_object = SymmetricDefinitionObject::try_from(expected_tpmt_sym_def_object) |
| 147 | + .expect("Failed to convert TPMT_SYM_DEF_OBJECT into SymmetricDefinitionObject"); |
| 148 | + |
| 149 | + if sym_def_object != SymmetricDefinitionObject::Null { |
| 150 | + panic!("SymmetricDefinitionObject converted from TPMT_SYM_DEF_OBJECT did not contain the expected algorithm NULL"); |
| 151 | + } |
| 152 | + |
| 153 | + let actual_tpmt_sym_def_object = TPMT_SYM_DEF_OBJECT::try_from(sym_def_object) |
| 154 | + .expect("Failed to Convert SymmetricDefinition into TPMT_SYM_DEF_OBJECT"); |
| 155 | + |
| 156 | + crate::common::ensure_tpmt_sym_def_object_equality( |
| 157 | + &expected_tpmt_sym_def_object, |
| 158 | + &actual_tpmt_sym_def_object, |
| 159 | + ); |
| 160 | +} |
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