test/rc4test.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 #include <string.h>
  11
  12 #include "internal/nelem.h"
  13 #include "testutil.h"
  14
  15 #ifndef OPENSSL_NO_RC4
  16 # include <openssl/rc4.h>
  17 # include <openssl/sha.h>
  18
  19 static unsigned char keys[6][30] = {
  20     {8, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
  21     {8, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
  22     {8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
  23     {4, 0xef, 0x01, 0x23, 0x45},
  24     {8, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
  25     {4, 0xef, 0x01, 0x23, 0x45},
  26 };
  27
  28 static unsigned char data_len[6] = { 8, 8, 8, 20, 28, 10 };
  29
  30 static unsigned char data[6][30] = {
  31     {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xff},
  32     {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff},
  33     {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff},
  34     {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  35      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  36      0x00, 0x00, 0x00, 0x00, 0xff},
  37     {0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0,
  38      0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0,
  39      0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0,
  40      0x12, 0x34, 0x56, 0x78, 0xff},
  41     {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff},
  42 };
  43
  44 static unsigned char output[6][30] = {
  45     {0x75, 0xb7, 0x87, 0x80, 0x99, 0xe0, 0xc5, 0x96, 0x00},
  46     {0x74, 0x94, 0xc2, 0xe7, 0x10, 0x4b, 0x08, 0x79, 0x00},
  47     {0xde, 0x18, 0x89, 0x41, 0xa3, 0x37, 0x5d, 0x3a, 0x00},
  48     {0xd6, 0xa1, 0x41, 0xa7, 0xec, 0x3c, 0x38, 0xdf,
  49      0xbd, 0x61, 0x5a, 0x11, 0x62, 0xe1, 0xc7, 0xba,
  50      0x36, 0xb6, 0x78, 0x58, 0x00},
  51     {0x66, 0xa0, 0x94, 0x9f, 0x8a, 0xf7, 0xd6, 0x89,
  52      0x1f, 0x7f, 0x83, 0x2b, 0xa8, 0x33, 0xc0, 0x0c,
  53      0x89, 0x2e, 0xbe, 0x30, 0x14, 0x3c, 0xe2, 0x87,
  54      0x40, 0x01, 0x1e, 0xcf, 0x00},
  55     {0xd6, 0xa1, 0x41, 0xa7, 0xec, 0x3c, 0x38, 0xdf, 0xbd, 0x61, 0x00},
  56 };
  57
  58 static int test_rc4_encrypt(const int i)
  59 {
  60     unsigned char obuf[512];
  61     RC4_KEY key;
  62
  63     RC4_set_key(&key, keys[i][0], &(keys[i][1]));
  64     memset(obuf, 0, sizeof(obuf));
  65     RC4(&key, data_len[i], &(data[i][0]), obuf);
  66     return TEST_mem_eq(obuf, data_len[i] + 1, output[i], data_len[i] + 1);
  67 }
  68
  69 static int test_rc4_end_processing(const int i)
  70 {
  71     unsigned char obuf[512];
  72     RC4_KEY key;
  73
  74     RC4_set_key(&key, keys[3][0], &(keys[3][1]));
  75     memset(obuf, 0, sizeof(obuf));
  76     RC4(&key, i, &(data[3][0]), obuf);
  77     if (!TEST_mem_eq(obuf, i, output[3], i))
  78         return 0;
  79     return TEST_uchar_eq(obuf[i], 0);
  80 }
  81
  82 static int test_rc4_multi_call(const int i)
  83 {
  84     unsigned char obuf[512];
  85     RC4_KEY key;
  86
  87     RC4_set_key(&key, keys[3][0], &(keys[3][1]));
  88     memset(obuf, 0, sizeof(obuf));
  89     RC4(&key, i, &(data[3][0]), obuf);
  90     RC4(&key, data_len[3] - i, &(data[3][i]), &(obuf[i]));
  91     return TEST_mem_eq(obuf, data_len[3] + 1, output[3], data_len[3] + 1);
  92 }
  93
  94 static int test_rc_bulk(void)
  95 {
  96     RC4_KEY key;
  97     unsigned char buf[513];
  98     SHA_CTX c;
  99     unsigned char md[SHA_DIGEST_LENGTH];
 100     int i;
 101     static unsigned char expected[] = {
 102         0xa4, 0x7b, 0xcc, 0x00, 0x3d, 0xd0, 0xbd, 0xe1, 0xac, 0x5f,
 103         0x12, 0x1e, 0x45, 0xbc, 0xfb, 0x1a, 0xa1, 0xf2, 0x7f, 0xc5
 104     };
 105
 106     RC4_set_key(&key, keys[0][0], &(keys[3][1]));
 107     memset(buf, 0, sizeof(buf));
 108     SHA1_Init(&c);
 109     for (i = 0; i < 2571; i++) {
 110         RC4(&key, sizeof(buf), buf, buf);
 111         SHA1_Update(&c, buf, sizeof(buf));
 112     }
 113     SHA1_Final(md, &c);
 114
 115     return TEST_mem_eq(md, sizeof(md), expected, sizeof(expected));
 116 }
 117 #endif
 118
 119 int setup_tests(void)
 120 {
 121 #ifndef OPENSSL_NO_RC4
 122     ADD_ALL_TESTS(test_rc4_encrypt, OSSL_NELEM(data_len));
 123     ADD_ALL_TESTS(test_rc4_end_processing, data_len[3]);
 124     ADD_ALL_TESTS(test_rc4_multi_call, data_len[3]);
 125     ADD_TEST(test_rc_bulk);
 126 #endif
 127     return 1;
 128 }