| 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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