test/ideatest.c

   1 /*
   2  * Copyright 1995-2017 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 static unsigned char cfb_buf1[40], cfb_buf2[40], cfb_tmp[8];
  44 # define CFB_TEST_SIZE 24
  45 static const unsigned char plain[CFB_TEST_SIZE] = {
  46     0x4e, 0x6f, 0x77, 0x20, 0x69, 0x73,
  47     0x20, 0x74, 0x68, 0x65, 0x20, 0x74,
  48     0x69, 0x6d, 0x65, 0x20, 0x66, 0x6f,
  49     0x72, 0x20, 0x61, 0x6c, 0x6c, 0x20
  50 };
  51
  52 static const unsigned char cfb_cipher64[CFB_TEST_SIZE] = {
  53     0x59, 0xD8, 0xE2, 0x65, 0x00, 0x58, 0x6C, 0x3F,
  54     0x2C, 0x17, 0x25, 0xD0, 0x1A, 0x38, 0xB7, 0x2A,
  55     0x39, 0x61, 0x37, 0xDC, 0x79, 0xFB, 0x9F, 0x45
  56 /*- 0xF9,0x78,0x32,0xB5,0x42,0x1A,0x6B,0x38,
  57     0x9A,0x44,0xD6,0x04,0x19,0x43,0xC4,0xD9,
  58     0x3D,0x1E,0xAE,0x47,0xFC,0xCF,0x29,0x0B,*/
  59 };
  60
  61 static int test_idea_ecb(void)
  62 {
  63     IDEA_KEY_SCHEDULE key, dkey;
  64
  65     IDEA_set_encrypt_key(k, &key);
  66     IDEA_ecb_encrypt(in, out, &key);
  67     if (!TEST_mem_eq(out, IDEA_BLOCK, c, sizeof(c)))
  68         return 0;
  69
  70     IDEA_set_decrypt_key(&key, &dkey);
  71     IDEA_ecb_encrypt(c, out, &dkey);
  72     return TEST_mem_eq(out, IDEA_BLOCK, in, sizeof(in));
  73 }
  74
  75 static int test_idea_cbc(void)
  76 {
  77     IDEA_KEY_SCHEDULE key, dkey;
  78     unsigned char iv[IDEA_BLOCK];
  79     const size_t text_len = sizeof(text);
  80
  81     IDEA_set_encrypt_key(k, &key);
  82     IDEA_set_decrypt_key(&key, &dkey);
  83     memcpy(iv, k, sizeof(iv));
  84     IDEA_cbc_encrypt(text, out, text_len, &key, iv, 1);
  85     memcpy(iv, k, sizeof(iv));
  86     IDEA_cbc_encrypt(out, out, IDEA_BLOCK, &dkey, iv, 0);
  87     IDEA_cbc_encrypt(&out[8], &out[8], text_len - 8, &dkey, iv, 0);
  88     return TEST_mem_eq(text, text_len, out, text_len);
  89 }
  90
  91 static int test_idea_cfb64(void)
  92 {
  93     IDEA_KEY_SCHEDULE eks, dks;
  94     int n;
  95
  96     IDEA_set_encrypt_key(cfb_key, &eks);
  97     IDEA_set_decrypt_key(&eks, &dks);
  98     memcpy(cfb_tmp, cfb_iv, sizeof(cfb_tmp));
  99     n = 0;
 100     IDEA_cfb64_encrypt(plain, cfb_buf1, (long)12, &eks,
 101                        cfb_tmp, &n, IDEA_ENCRYPT);
 102     IDEA_cfb64_encrypt(&plain[12], &cfb_buf1[12],
 103                        (long)CFB_TEST_SIZE - 12, &eks,
 104                        cfb_tmp, &n, IDEA_ENCRYPT);
 105     if (!TEST_mem_eq(cfb_cipher64, CFB_TEST_SIZE, cfb_buf1, CFB_TEST_SIZE))
 106         return 0;
 107     memcpy(cfb_tmp, cfb_iv, sizeof(cfb_tmp));
 108     n = 0;
 109     IDEA_cfb64_encrypt(cfb_buf1, cfb_buf2, (long)13, &eks,
 110                        cfb_tmp, &n, IDEA_DECRYPT);
 111     IDEA_cfb64_encrypt(&cfb_buf1[13], &cfb_buf2[13],
 112                        (long)CFB_TEST_SIZE - 13, &eks,
 113                        cfb_tmp, &n, IDEA_DECRYPT);
 114     return TEST_mem_eq(plain, CFB_TEST_SIZE, cfb_buf2, CFB_TEST_SIZE);
 115 }
 116 #endif
 117
 118 int setup_tests(void)
 119 {
 120 #ifndef OPENSSL_NO_IDEA
 121     ADD_TEST(test_idea_ecb);
 122     ADD_TEST(test_idea_cbc);
 123     ADD_TEST(test_idea_cfb64);
 124 #endif
 125     return 1;
 126 }