test/sm4_internal_test.c

   1 /*
   2  * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
   3  * Copyright 2017 Ribose Inc. All Rights Reserved.
   4  *
   5  * Licensed under the Apache License 2.0 (the "License").  You may not use
   6  * this file except in compliance with the License.  You can obtain a copy
   7  * in the file LICENSE in the source distribution or at
   8  * https://www.openssl.org/source/license.html
   9  */
  10
  11 /*
  12  * Internal tests for the SM4 module.
  13  */
  14
  15 #include <string.h>
  16 #include <openssl/opensslconf.h>
  17 #include "testutil.h"
  18
  19 #ifndef OPENSSL_NO_SM4
  20 # include "crypto/sm4.h"
  21
  22 static int test_sm4_ecb(void)
  23 {
  24     static const uint8_t k[SM4_BLOCK_SIZE] = {
  25         0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
  26         0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10
  27     };
  28
  29     static const uint8_t input[SM4_BLOCK_SIZE] = {
  30         0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
  31         0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10
  32     };
  33
  34     /*
  35      * This test vector comes from Example 1 of GB/T 32907-2016,
  36      * and described in Internet Draft draft-ribose-cfrg-sm4-02.
  37      */
  38     static const uint8_t expected[SM4_BLOCK_SIZE] = {
  39         0x68, 0x1e, 0xdf, 0x34, 0xd2, 0x06, 0x96, 0x5e,
  40         0x86, 0xb3, 0xe9, 0x4f, 0x53, 0x6e, 0x42, 0x46
  41     };
  42
  43     /*
  44      * This test vector comes from Example 2 from GB/T 32907-2016,
  45      * and described in Internet Draft draft-ribose-cfrg-sm4-02.
  46      * After 1,000,000 iterations.
  47      */
  48     static const uint8_t expected_iter[SM4_BLOCK_SIZE] = {
  49         0x59, 0x52, 0x98, 0xc7, 0xc6, 0xfd, 0x27, 0x1f,
  50         0x04, 0x02, 0xf8, 0x04, 0xc3, 0x3d, 0x3f, 0x66
  51     };
  52
  53     int i;
  54     SM4_KEY key;
  55     uint8_t block[SM4_BLOCK_SIZE];
  56
  57     SM4_set_key(k, &key);
  58     memcpy(block, input, SM4_BLOCK_SIZE);
  59
  60     SM4_encrypt(block, block, &key);
  61     if (!TEST_mem_eq(block, SM4_BLOCK_SIZE, expected, SM4_BLOCK_SIZE))
  62         return 0;
  63
  64     for (i = 0; i != 999999; ++i)
  65         SM4_encrypt(block, block, &key);
  66
  67     if (!TEST_mem_eq(block, SM4_BLOCK_SIZE, expected_iter, SM4_BLOCK_SIZE))
  68         return 0;
  69
  70     for (i = 0; i != 1000000; ++i)
  71         SM4_decrypt(block, block, &key);
  72
  73     if (!TEST_mem_eq(block, SM4_BLOCK_SIZE, input, SM4_BLOCK_SIZE))
  74         return 0;
  75
  76     return 1;
  77 }
  78 #endif
  79
  80 int setup_tests(void)
  81 {
  82 #ifndef OPENSSL_NO_SM4
  83     ADD_TEST(test_sm4_ecb);
  84 #endif
  85     return 1;
  86 }