| /* |
| * Copyright (c) 2019-2024, Arm Limited. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| * |
| */ |
| |
| /********************************************************************************** |
| Functions in this file are exactly that: functions, not methods of any class. |
| That is, they are stand-alone, utility functions linked in to the executable, |
| and available to whomever needs them. |
| **********************************************************************************/ |
| |
| // TODO: the key usages, algorithms, and types are currently incomplete. |
| |
| #include "randomization.hpp" |
| |
| #include <stdlib.h> |
| |
| /** |
| * \brief Selects and returns a random key_usage_t value. |
| * |
| * \details |
| * |
| * \note |
| * |
| */ |
| string rand_key_usage (void) |
| { |
| switch (rand() % 6) { |
| case 0: return "PSA_KEY_USAGE_EXPORT"; |
| case 1: return "PSA_KEY_USAGE_ENCRYPT"; |
| case 2: return "PSA_KEY_USAGE_DECRYPT"; |
| case 3: return "PSA_KEY_USAGE_SIGN_HASH"; |
| case 4: return "PSA_KEY_USAGE_VERIFY_HASH"; |
| case 5: return "PSA_KEY_USAGE_DERIVE"; |
| } |
| return ""; /* placate compiler */ |
| } |
| |
| /** |
| * \brief Selects and returns a random psa_algorithm_t value. |
| * |
| * \details |
| * |
| * \note |
| * |
| */ |
| /* TODO: Likely want to make additional versions of these specific for TLS, |
| asymmetric, symmetric... */ |
| string rand_key_algorithm (void) |
| { |
| switch (rand() % 24) { |
| case 0: return "PSA_ALG_MD5"; |
| case 1: return "PSA_ALG_RIPEMD160"; |
| case 2: return "PSA_ALG_SHA_1"; |
| case 3: return "PSA_ALG_SHA_224"; |
| case 4: return "PSA_ALG_SHA_256"; |
| case 5: return "PSA_ALG_SHA_384"; |
| case 6: return "PSA_ALG_SHA_512"; |
| case 7: return "PSA_ALG_SHA_512_224"; |
| case 8: return "PSA_ALG_SHA_512_256"; |
| case 9: return "PSA_ALG_SHA3_224"; |
| case 10: return "PSA_ALG_SHA3_256"; |
| case 11: return "PSA_ALG_SHA3_384"; |
| case 12: return "PSA_ALG_SHA3_512"; |
| case 13: return "PSA_ALG_ANY_HASH"; |
| case 14: return "PSA_ALG_CBC_MAC"; |
| case 15: return "PSA_ALG_CMAC"; |
| case 16: return "PSA_ALG_CTR"; |
| case 17: return "PSA_ALG_CFB"; |
| case 18: return "PSA_ALG_OFB"; |
| case 19: return "PSA_ALG_XTS"; |
| case 20: return "PSA_ALG_CBC_NO_PADDING"; |
| case 21: return "PSA_ALG_CBC_PKCS7"; |
| case 22: return "PSA_ALG_CCM"; |
| case 23: return "PSA_ALG_GCM"; |
| } |
| return ""; /* placate compiler */ |
| } |
| |
| |
| /** |
| * \brief Selects and returns a random psa_key_type_t value. |
| * |
| * \details |
| * |
| * \note |
| * |
| */ |
| string rand_key_type (void) |
| { |
| switch (rand() % 9) { |
| case 0: return "PSA_KEY_TYPE_NONE"; |
| case 1: return "PSA_KEY_TYPE_RAW_DATA"; |
| case 2: return "PSA_KEY_TYPE_HMAC"; |
| case 3: return "PSA_KEY_TYPE_DERIVE"; |
| case 4: return "PSA_KEY_TYPE_AES"; |
| case 5: return "PSA_KEY_TYPE_DES"; |
| case 6: return "PSA_KEY_TYPE_CAMELLIA"; |
| case 7: return "PSA_KEY_TYPE_RSA_PUBLIC_KEY"; |
| case 8: return "PSA_KEY_TYPE_RSA_KEY_PAIR"; |
| } |
| return ""; /* placate compiler */ |
| } |