1 | /*
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2 | * Copyright 2017-2021 The OpenSSL Project Authors. All Rights Reserved.
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3 | * Copyright 2017 Ribose Inc. All Rights Reserved.
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4 | *
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5 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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6 | * this file except in compliance with the License. You can obtain a copy
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7 | * in the file LICENSE in the source distribution or at
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8 | * https://www.openssl.org/source/license.html
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9 | */
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10 |
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11 | /*
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12 | * Internal tests for the SM4 module.
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13 | */
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14 |
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15 | #include <string.h>
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16 | #include <openssl/opensslconf.h>
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17 | #include "testutil.h"
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18 |
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19 | #ifndef OPENSSL_NO_SM4
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20 | # include "crypto/sm4.h"
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21 |
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22 | static int test_sm4_ecb(void)
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23 | {
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24 | static const uint8_t k[SM4_BLOCK_SIZE] = {
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25 | 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
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26 | 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10
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27 | };
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28 |
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29 | static const uint8_t input[SM4_BLOCK_SIZE] = {
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30 | 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
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31 | 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10
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32 | };
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33 |
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34 | /*
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35 | * This test vector comes from Example 1 of GB/T 32907-2016,
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36 | * and described in Internet Draft draft-ribose-cfrg-sm4-02.
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37 | */
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38 | static const uint8_t expected[SM4_BLOCK_SIZE] = {
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39 | 0x68, 0x1e, 0xdf, 0x34, 0xd2, 0x06, 0x96, 0x5e,
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40 | 0x86, 0xb3, 0xe9, 0x4f, 0x53, 0x6e, 0x42, 0x46
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41 | };
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42 |
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43 | /*
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44 | * This test vector comes from Example 2 from GB/T 32907-2016,
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45 | * and described in Internet Draft draft-ribose-cfrg-sm4-02.
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46 | * After 1,000,000 iterations.
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47 | */
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48 | static const uint8_t expected_iter[SM4_BLOCK_SIZE] = {
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49 | 0x59, 0x52, 0x98, 0xc7, 0xc6, 0xfd, 0x27, 0x1f,
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50 | 0x04, 0x02, 0xf8, 0x04, 0xc3, 0x3d, 0x3f, 0x66
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51 | };
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52 |
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53 | int i;
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54 | SM4_KEY key;
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55 | uint8_t block[SM4_BLOCK_SIZE];
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56 |
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57 | ossl_sm4_set_key(k, &key);
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58 | memcpy(block, input, SM4_BLOCK_SIZE);
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59 |
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60 | ossl_sm4_encrypt(block, block, &key);
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61 | if (!TEST_mem_eq(block, SM4_BLOCK_SIZE, expected, SM4_BLOCK_SIZE))
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62 | return 0;
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63 |
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64 | for (i = 0; i != 999999; ++i)
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65 | ossl_sm4_encrypt(block, block, &key);
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66 |
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67 | if (!TEST_mem_eq(block, SM4_BLOCK_SIZE, expected_iter, SM4_BLOCK_SIZE))
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68 | return 0;
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69 |
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70 | for (i = 0; i != 1000000; ++i)
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71 | ossl_sm4_decrypt(block, block, &key);
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72 |
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73 | if (!TEST_mem_eq(block, SM4_BLOCK_SIZE, input, SM4_BLOCK_SIZE))
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74 | return 0;
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75 |
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76 | return 1;
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77 | }
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78 | #endif
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79 |
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80 | int setup_tests(void)
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81 | {
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82 | #ifndef OPENSSL_NO_SM4
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83 | ADD_TEST(test_sm4_ecb);
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84 | #endif
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85 | return 1;
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86 | }
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