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 /*
  11  * RC4 and SHA-1 low level APIs are deprecated for public use, but still ok for
  12  * internal use.
  13  */
  14 #include "internal/deprecated.h"
  15
  16 #include <string.h>
  17
  18 #include "internal/nelem.h"
  19 #include "testutil.h"
  20
  21 #ifndef OPENSSL_NO_RC4
  22 # include <openssl/rc4.h>
  23 # include <openssl/sha.h>
  24
  25 static unsigned char keys[6][30] = {
  26     {8, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
  27     {8, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
  28     {8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
  29     {4, 0xef, 0x01, 0x23, 0x45},
  30     {8, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
  31     {4, 0xef, 0x01, 0x23, 0x45},
  32 };
  33
  34 static unsigned char data_len[6] = { 8, 8, 8, 20, 28, 10 };
  35
  36 static unsigned char data[6][30] = {
  37     {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xff},
  38     {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff},
  39     {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff},
  40     {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  41      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  42      0x00, 0x00, 0x00, 0x00, 0xff},
  43     {0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0,
  44      0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0,
  45      0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0,
  46      0x12, 0x34, 0x56, 0x78, 0xff},
  47     {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff},
  48 };
  49
  50 static unsigned char output[6][30] = {
  51     {0x75, 0xb7, 0x87, 0x80, 0x99, 0xe0, 0xc5, 0x96, 0x00},
  52     {0x74, 0x94, 0xc2, 0xe7, 0x10, 0x4b, 0x08, 0x79, 0x00},
  53     {0xde, 0x18, 0x89, 0x41, 0xa3, 0x37, 0x5d, 0x3a, 0x00},
  54     {0xd6, 0xa1, 0x41, 0xa7, 0xec, 0x3c, 0x38, 0xdf,
  55      0xbd, 0x61, 0x5a, 0x11, 0x62, 0xe1, 0xc7, 0xba,
  56      0x36, 0xb6, 0x78, 0x58, 0x00},
  57     {0x66, 0xa0, 0x94, 0x9f, 0x8a, 0xf7, 0xd6, 0x89,
  58      0x1f, 0x7f, 0x83, 0x2b, 0xa8, 0x33, 0xc0, 0x0c,
  59      0x89, 0x2e, 0xbe, 0x30, 0x14, 0x3c, 0xe2, 0x87,
  60      0x40, 0x01, 0x1e, 0xcf, 0x00},
  61     {0xd6, 0xa1, 0x41, 0xa7, 0xec, 0x3c, 0x38, 0xdf, 0xbd, 0x61, 0x00},
  62 };
  63
  64 static int test_rc4_encrypt(const int i)
  65 {
  66     unsigned char obuf[512];
  67     RC4_KEY key;
  68
  69     RC4_set_key(&key, keys[i][0], &(keys[i][1]));
  70     memset(obuf, 0, sizeof(obuf));
  71     RC4(&key, data_len[i], &(data[i][0]), obuf);
  72     return TEST_mem_eq(obuf, data_len[i] + 1, output[i], data_len[i] + 1);
  73 }
  74
  75 static int test_rc4_end_processing(const int i)
  76 {
  77     unsigned char obuf[512];
  78     RC4_KEY key;
  79
  80     RC4_set_key(&key, keys[3][0], &(keys[3][1]));
  81     memset(obuf, 0, sizeof(obuf));
  82     RC4(&key, i, &(data[3][0]), obuf);
  83     if (!TEST_mem_eq(obuf, i, output[3], i))
  84         return 0;
  85     return TEST_uchar_eq(obuf[i], 0);
  86 }
  87
  88 static int test_rc4_multi_call(const int i)
  89 {
  90     unsigned char obuf[512];
  91     RC4_KEY key;
  92
  93     RC4_set_key(&key, keys[3][0], &(keys[3][1]));
  94     memset(obuf, 0, sizeof(obuf));
  95     RC4(&key, i, &(data[3][0]), obuf);
  96     RC4(&key, data_len[3] - i, &(data[3][i]), &(obuf[i]));
  97     return TEST_mem_eq(obuf, data_len[3] + 1, output[3], data_len[3] + 1);
  98 }
  99
 100 static int test_rc_bulk(void)
 101 {
 102     RC4_KEY key;
 103     unsigned char buf[513];
 104     SHA_CTX c;
 105     unsigned char md[SHA_DIGEST_LENGTH];
 106     int i;
 107     static unsigned char expected[] = {
 108         0xa4, 0x7b, 0xcc, 0x00, 0x3d, 0xd0, 0xbd, 0xe1, 0xac, 0x5f,
 109         0x12, 0x1e, 0x45, 0xbc, 0xfb, 0x1a, 0xa1, 0xf2, 0x7f, 0xc5
 110     };
 111
 112     RC4_set_key(&key, keys[0][0], &(keys[3][1]));
 113     memset(buf, 0, sizeof(buf));
 114     SHA1_Init(&c);
 115     for (i = 0; i < 2571; i++) {
 116         RC4(&key, sizeof(buf), buf, buf);
 117         SHA1_Update(&c, buf, sizeof(buf));
 118     }
 119     SHA1_Final(md, &c);
 120
 121     return TEST_mem_eq(md, sizeof(md), expected, sizeof(expected));
 122 }
 123 #endif
 124
 125 int setup_tests(void)
 126 {
 127 #ifndef OPENSSL_NO_RC4
 128     ADD_ALL_TESTS(test_rc4_encrypt, OSSL_NELEM(data_len));
 129     ADD_ALL_TESTS(test_rc4_end_processing, data_len[3]);
 130     ADD_ALL_TESTS(test_rc4_multi_call, data_len[3]);
 131     ADD_TEST(test_rc_bulk);
 132 #endif
 133     return 1;
 134 }