1 /* 2 * Copyright 1995-2024 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 /* 11 * IDEA low level APIs are deprecated for public use, but still ok for internal 12 * use where we're using them to implement the higher level EVP interface, as is 13 * the case here. 14 */ 15 #include "internal/deprecated.h" 16 17 #include <string.h> 18 19 #include "internal/nelem.h" 20 #include "testutil.h" 21 22 #ifndef OPENSSL_NO_IDEA 23 # include <openssl/idea.h> 24 25 static const unsigned char k[16] = { 26 0x00, 0x01, 0x00, 0x02, 0x00, 0x03, 0x00, 0x04, 27 0x00, 0x05, 0x00, 0x06, 0x00, 0x07, 0x00, 0x08 28 }; 29 30 static const unsigned char in[8] = { 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x03 }; 31 static const unsigned char c[8] = { 0x11, 0xFB, 0xED, 0x2B, 0x01, 0x98, 0x6D, 0xE5 }; 32 33 static unsigned char out[80]; 34 35 static const unsigned char text[] = "Hello to all people out there"; 36 37 static const unsigned char cfb_key[16] = { 38 0xe1, 0xf0, 0xc3, 0xd2, 0xa5, 0xb4, 0x87, 0x96, 39 0x69, 0x78, 0x4b, 0x5a, 0x2d, 0x3c, 0x0f, 0x1e, 40 }; 41 static const unsigned char cfb_iv[80] = { 42 0x34, 0x12, 0x78, 0x56, 0xab, 0x90, 0xef, 0xcd 43 }; 44 static unsigned char cfb_buf1[40], cfb_buf2[40], cfb_tmp[8]; 45 # define CFB_TEST_SIZE 24 46 static const unsigned char plain[CFB_TEST_SIZE] = { 47 0x4e, 0x6f, 0x77, 0x20, 0x69, 0x73, 48 0x20, 0x74, 0x68, 0x65, 0x20, 0x74, 49 0x69, 0x6d, 0x65, 0x20, 0x66, 0x6f, 50 0x72, 0x20, 0x61, 0x6c, 0x6c, 0x20 51 }; 52 53 static const unsigned char cfb_cipher64[CFB_TEST_SIZE] = { 54 0x59, 0xD8, 0xE2, 0x65, 0x00, 0x58, 0x6C, 0x3F, 55 0x2C, 0x17, 0x25, 0xD0, 0x1A, 0x38, 0xB7, 0x2A, 56 0x39, 0x61, 0x37, 0xDC, 0x79, 0xFB, 0x9F, 0x45 57 /*- 0xF9,0x78,0x32,0xB5,0x42,0x1A,0x6B,0x38, 58 0x9A,0x44,0xD6,0x04,0x19,0x43,0xC4,0xD9, 59 0x3D,0x1E,0xAE,0x47,0xFC,0xCF,0x29,0x0B,*/ 60 }; 61 62 static int test_idea_ecb(void) 63 { 64 IDEA_KEY_SCHEDULE key, dkey; 65 66 IDEA_set_encrypt_key(k, &key); 67 IDEA_ecb_encrypt(in, out, &key); 68 if (!TEST_mem_eq(out, IDEA_BLOCK, c, sizeof(c))) 69 return 0; 70 71 IDEA_set_decrypt_key(&key, &dkey); 72 IDEA_ecb_encrypt(c, out, &dkey); 73 return TEST_mem_eq(out, IDEA_BLOCK, in, sizeof(in)); 74 } 75 76 static int test_idea_cbc(void) 77 { 78 IDEA_KEY_SCHEDULE key, dkey; 79 unsigned char iv[IDEA_BLOCK]; 80 const size_t text_len = sizeof(text); 81 82 IDEA_set_encrypt_key(k, &key); 83 IDEA_set_decrypt_key(&key, &dkey); 84 memcpy(iv, k, sizeof(iv)); 85 IDEA_cbc_encrypt(text, out, text_len, &key, iv, 1); 86 memcpy(iv, k, sizeof(iv)); 87 IDEA_cbc_encrypt(out, out, IDEA_BLOCK, &dkey, iv, 0); 88 IDEA_cbc_encrypt(&out[8], &out[8], text_len - 8, &dkey, iv, 0); 89 return TEST_mem_eq(text, text_len, out, text_len); 90 } 91 92 static int test_idea_cfb64(void) 93 { 94 IDEA_KEY_SCHEDULE eks, dks; 95 int n; 96 97 IDEA_set_encrypt_key(cfb_key, &eks); 98 IDEA_set_decrypt_key(&eks, &dks); 99 memcpy(cfb_tmp, cfb_iv, sizeof(cfb_tmp)); 100 n = 0; 101 IDEA_cfb64_encrypt(plain, cfb_buf1, (long)12, &eks, 102 cfb_tmp, &n, IDEA_ENCRYPT); 103 IDEA_cfb64_encrypt(&plain[12], &cfb_buf1[12], 104 (long)CFB_TEST_SIZE - 12, &eks, 105 cfb_tmp, &n, IDEA_ENCRYPT); 106 if (!TEST_mem_eq(cfb_cipher64, CFB_TEST_SIZE, cfb_buf1, CFB_TEST_SIZE)) 107 return 0; 108 memcpy(cfb_tmp, cfb_iv, sizeof(cfb_tmp)); 109 n = 0; 110 IDEA_cfb64_encrypt(cfb_buf1, cfb_buf2, (long)13, &eks, 111 cfb_tmp, &n, IDEA_DECRYPT); 112 IDEA_cfb64_encrypt(&cfb_buf1[13], &cfb_buf2[13], 113 (long)CFB_TEST_SIZE - 13, &eks, 114 cfb_tmp, &n, IDEA_DECRYPT); 115 return TEST_mem_eq(plain, CFB_TEST_SIZE, cfb_buf2, CFB_TEST_SIZE); 116 } 117 #endif 118 119 int setup_tests(void) 120 { 121 #ifndef OPENSSL_NO_IDEA 122 ADD_TEST(test_idea_ecb); 123 ADD_TEST(test_idea_cbc); 124 ADD_TEST(test_idea_cfb64); 125 #endif 126 return 1; 127 } 128