1 /* 2 * Copyright 2017-2021 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 ossl_sm4_set_key(k, &key); 58 memcpy(block, input, SM4_BLOCK_SIZE); 59 60 ossl_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 ossl_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 ossl_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 } 87