| Karl Zhang | 3de5ab1 | 2021-05-31 11:45:48 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2019-2020, Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | /********************************************************************************** |
| 9 | Functions in this file are exactly that: functions, not methods of any class. |
| 10 | That is, they are stand-alone, utility functions linked in to the executable, |
| 11 | and available to whomever needs them. |
| 12 | **********************************************************************************/ |
| 13 | |
| 14 | #include "randomization.hpp" |
| 15 | |
| 16 | /** |
| 17 | * \brief Selects and returns a random key_usage_t value. |
| 18 | * |
| 19 | * \details |
| 20 | * |
| 21 | * \note |
| 22 | * |
| 23 | */ |
| 24 | string rand_key_usage (void) |
| 25 | { |
| 26 | switch (rand() % 6) { |
| 27 | case 0: return "PSA_KEY_USAGE_EXPORT"; |
| 28 | case 1: return "PSA_KEY_USAGE_ENCRYPT"; |
| 29 | case 2: return "PSA_KEY_USAGE_DECRYPT"; |
| 30 | case 3: return "PSA_KEY_USAGE_SIGN"; |
| 31 | case 4: return "PSA_KEY_USAGE_VERIFY"; |
| 32 | case 5: return "PSA_KEY_USAGE_DERIVE"; |
| 33 | } |
| 34 | return ""; /* placate compiler */ |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * \brief Selects and returns a random psa_algorithm_t value. |
| 39 | * |
| 40 | * \details |
| 41 | * |
| 42 | * \note |
| 43 | * |
| 44 | */ |
| 45 | /* TODO: Likely want to make additional versions of these specific for TLS, |
| 46 | asymmetric, symmetric... */ |
| 47 | string rand_key_algorithm (void) |
| 48 | { |
| 49 | switch (rand() % 44) { |
| 50 | case 0: return "PSA_ALG_VENDOR_FLAG"; |
| 51 | case 1: return "PSA_ALG_CATEGORY_MASK"; |
| 52 | case 2: return "PSA_ALG_CATEGORY_HASH"; |
| 53 | case 3: return "PSA_ALG_CATEGORY_MAC"; |
| 54 | case 4: return "PSA_ALG_CATEGORY_CIPHER"; |
| 55 | case 5: return "PSA_ALG_CATEGORY_AEAD"; |
| 56 | case 6: return "PSA_ALG_CATEGORY_SIGN"; |
| 57 | case 7: return "PSA_ALG_CATEGORY_ASYMMETRIC_ENCRYPTION"; |
| 58 | case 8: return "PSA_ALG_CATEGORY_KEY_AGREEMENT"; |
| 59 | case 9: return "PSA_ALG_CATEGORY_KEY_DERIVATION"; |
| 60 | case 10: return "PSA_ALG_HASH_MASK"; |
| 61 | case 11: return "PSA_ALG_MD2"; |
| 62 | case 12: return "PSA_ALG_MD4"; |
| 63 | case 13: return "PSA_ALG_MD5"; |
| 64 | case 14: return "PSA_ALG_RIPEMD160"; |
| 65 | case 15: return "PSA_ALG_SHA_1"; |
| 66 | case 16: return "PSA_ALG_SHA_224"; |
| 67 | case 17: return "PSA_ALG_SHA_256"; |
| 68 | case 18: return "PSA_ALG_SHA_384"; |
| 69 | case 19: return "PSA_ALG_SHA_512"; |
| 70 | case 20: return "PSA_ALG_SHA_512_224"; |
| 71 | case 21: return "PSA_ALG_SHA_512_256"; |
| 72 | case 22: return "PSA_ALG_SHA3_224"; |
| 73 | case 23: return "PSA_ALG_SHA3_256"; |
| 74 | case 24: return "PSA_ALG_SHA3_384"; |
| 75 | case 25: return "PSA_ALG_SHA3_512"; |
| 76 | case 26: return "PSA_ALG_ANY_HASH"; |
| 77 | case 27: return "PSA_ALG_MAC_SUBCATEGORY_MASK"; |
| 78 | case 28: return "PSA_ALG_HMAC_BASE"; |
| 79 | case 29: return "PSA_ALG_MAC_TRUNCATION_MASK"; |
| 80 | case 30: return "PSA_ALG_CIPHER_MAC_BASE"; |
| 81 | case 31: return "PSA_ALG_CBC_MAC"; |
| 82 | case 32: return "PSA_ALG_CMAC"; |
| 83 | case 33: return "PSA_ALG_CIPHER_STREAM_FLAG"; |
| 84 | case 34: return "PSA_ALG_CIPHER_FROM_BLOCK_FLAG"; |
| 85 | case 35: return "PSA_ALG_ARC4"; |
| 86 | case 36: return "PSA_ALG_CTR"; |
| 87 | case 37: return "PSA_ALG_CFB"; |
| 88 | case 38: return "PSA_ALG_OFB"; |
| 89 | case 39: return "PSA_ALG_XTS"; |
| 90 | case 40: return "PSA_ALG_CBC_NO_PADDING"; |
| 91 | case 41: return "PSA_ALG_CBC_PKCS7"; |
| 92 | case 42: return "PSA_ALG_CCM"; |
| 93 | case 43: return "PSA_ALG_GCM"; |
| 94 | } |
| 95 | return ""; /* placate compiler */ |
| 96 | } |
| 97 | |
| 98 | |
| 99 | /** |
| 100 | * \brief Selects and returns a random psa_key_type_t value. |
| 101 | * |
| 102 | * \details |
| 103 | * |
| 104 | * \note |
| 105 | * |
| 106 | */ |
| 107 | string rand_key_type (void) |
| 108 | { |
| 109 | switch (rand() % 24) { |
| 110 | case 0: return "PSA_KEY_TYPE_NONE"; |
| 111 | case 1: return "PSA_KEY_TYPE_VENDOR_FLAG"; |
| 112 | case 2: return "PSA_KEY_TYPE_CATEGORY_MASK"; |
| 113 | case 3: return "PSA_KEY_TYPE_CATEGORY_SYMMETRIC"; |
| 114 | case 4: return "PSA_KEY_TYPE_CATEGORY_RAW"; |
| 115 | case 5: return "PSA_KEY_TYPE_CATEGORY_PUBLIC_KEY"; |
| 116 | case 6: return "PSA_KEY_TYPE_CATEGORY_KEY_PAIR"; |
| 117 | case 7: return "PSA_KEY_TYPE_CATEGORY_FLAG_PAIR"; |
| 118 | case 8: return "PSA_KEY_TYPE_RAW_DATA"; |
| 119 | case 9: return "PSA_KEY_TYPE_HMAC"; |
| 120 | case 10: return "PSA_KEY_TYPE_DERIVE"; |
| 121 | case 11: return "PSA_KEY_TYPE_AES"; |
| 122 | case 12: return "PSA_KEY_TYPE_DES"; |
| 123 | case 13: return "PSA_KEY_TYPE_CAMELLIA"; |
| 124 | case 14: return "PSA_KEY_TYPE_ARC4"; |
| 125 | case 15: return "PSA_KEY_TYPE_CHACHA20"; |
| 126 | case 16: return "PSA_KEY_TYPE_RSA_PUBLIC_KEY"; |
| 127 | case 17: return "PSA_KEY_TYPE_RSA_KEY_PAIR"; |
| 128 | case 18: return "PSA_KEY_TYPE_ECC_PUBLIC_KEY_BASE"; |
| 129 | case 19: return "PSA_KEY_TYPE_ECC_KEY_PAIR_BASE"; |
| 130 | case 20: return "PSA_KEY_TYPE_ECC_CURVE_MASK"; |
| 131 | case 21: return "PSA_KEY_TYPE_DH_PUBLIC_KEY_BASE"; |
| 132 | case 22: return "PSA_KEY_TYPE_DH_KEY_PAIR_BASE"; |
| 133 | case 23: return "PSA_KEY_TYPE_DH_GROUP_MASK"; |
| 134 | default: return ""; |
| 135 | } |
| 136 | return ""; /* placate compiler */ |
| 137 | } |
| 138 | |
| 139 | |
| 140 | |