test/afalgtest.c

   1 /*
   2  * Copyright 2016-2017 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 <stdio.h>
  11 #include <openssl/opensslconf.h>
  12
  13 #include <string.h>
  14 #include <openssl/engine.h>
  15 #include <openssl/evp.h>
  16 #include <openssl/rand.h>
  17 #include "testutil.h"
  18
  19 /* Use a buffer size which is not aligned to block size */
  20 #define BUFFER_SIZE     17
  21
  22 #ifndef OPENSSL_NO_ENGINE
  23 static ENGINE *e;
  24 #endif
  25
  26
  27 #ifndef OPENSSL_NO_AFALGENG
  28 # include <linux/version.h>
  29 # define K_MAJ   4
  30 # define K_MIN1  1
  31 # define K_MIN2  0
  32 # if LINUX_VERSION_CODE < KERNEL_VERSION(K_MAJ, K_MIN1, K_MIN2)
  33 /*
  34  * If we get here then it looks like there is a mismatch between the linux
  35  * headers and the actual kernel version, so we have tried to compile with
  36  * afalg support, but then skipped it in e_afalg.c. As far as this test is
  37  * concerned we behave as if we had been configured without support
  38  */
  39 #  define OPENSSL_NO_AFALGENG
  40 # endif
  41 #endif
  42
  43 #ifndef OPENSSL_NO_AFALGENG
  44 static int test_afalg_aes_cbc(int keysize_idx)
  45 {
  46     EVP_CIPHER_CTX *ctx;
  47     const EVP_CIPHER *cipher;
  48     unsigned char key[] = "\x06\xa9\x21\x40\x36\xb8\xa1\x5b"
  49                           "\x51\x2e\x03\xd5\x34\x12\x00\x06"
  50                           "\x06\xa9\x21\x40\x36\xb8\xa1\x5b"
  51                           "\x51\x2e\x03\xd5\x34\x12\x00\x06";
  52     unsigned char iv[] = "\x3d\xaf\xba\x42\x9d\x9e\xb4\x30"
  53                          "\xb4\x22\xda\x80\x2c\x9f\xac\x41";
  54     /* input = "Single block msg\n"  17Bytes*/
  55     unsigned char in[BUFFER_SIZE] = "\x53\x69\x6e\x67\x6c\x65\x20\x62"
  56                                     "\x6c\x6f\x63\x6b\x20\x6d\x73\x67\x0a";
  57     unsigned char ebuf[BUFFER_SIZE + 32];
  58     unsigned char dbuf[BUFFER_SIZE + 32];
  59     unsigned char encresult_128[] = "\xe3\x53\x77\x9c\x10\x79\xae\xb8"
  60                                     "\x27\x08\x94\x2d\xbe\x77\x18\x1a\x2d";
  61     unsigned char encresult_192[] = "\xf7\xe4\x26\xd1\xd5\x4f\x8f\x39"
  62                                     "\xb1\x9e\xe0\xdf\x61\xb9\xc2\x55\xeb";
  63     unsigned char encresult_256[] = "\xa0\x76\x85\xfd\xc1\x65\x71\x9d"
  64                                     "\xc7\xe9\x13\x6e\xae\x55\x49\xb4\x13";
  65     unsigned char *enc_result = NULL;
  66
  67     int encl, encf, decl, decf;
  68     int ret = 0;
  69
  70     switch (keysize_idx) {
  71         case 0:
  72             cipher = EVP_aes_128_cbc();
  73             enc_result = &encresult_128[0];
  74             break;
  75         case 1:
  76             cipher = EVP_aes_192_cbc();
  77             enc_result = &encresult_192[0];
  78             break;
  79         case 2:
  80             cipher = EVP_aes_256_cbc();
  81             enc_result = &encresult_256[0];
  82             break;
  83         default:
  84             cipher = NULL;
  85     }
  86     if (!TEST_ptr(ctx = EVP_CIPHER_CTX_new()))
  87             return 0;
  88
  89     if (!TEST_true(EVP_CipherInit_ex(ctx, cipher, e, key, iv, 1))
  90             || !TEST_true(EVP_CipherUpdate(ctx, ebuf, &encl, in, BUFFER_SIZE))
  91             || !TEST_true(EVP_CipherFinal_ex(ctx, ebuf+encl, &encf)))
  92         goto end;
  93     encl += encf;
  94
  95     if (!TEST_mem_eq(enc_result, BUFFER_SIZE, ebuf, BUFFER_SIZE))
  96         goto end;
  97
  98     if (!TEST_true(EVP_CIPHER_CTX_reset(ctx))
  99             || !TEST_true(EVP_CipherInit_ex(ctx, cipher, e, key, iv, 0))
 100             || !TEST_true(EVP_CipherUpdate(ctx, dbuf, &decl, ebuf, encl))
 101             || !TEST_true(EVP_CipherFinal_ex(ctx, dbuf+decl, &decf)))
 102         goto end;
 103     decl += decf;
 104
 105     if (!TEST_int_eq(decl, BUFFER_SIZE)
 106             || !TEST_mem_eq(dbuf, BUFFER_SIZE, in, BUFFER_SIZE))
 107         goto end;
 108
 109     ret = 1;
 110
 111  end:
 112     EVP_CIPHER_CTX_free(ctx);
 113     return ret;
 114 }
 115 #endif
 116
 117 #ifndef OPENSSL_NO_ENGINE
 118 int global_init(void)
 119 {
 120     ENGINE_load_builtin_engines();
 121 # ifndef OPENSSL_NO_STATIC_ENGINE
 122     OPENSSL_init_crypto(OPENSSL_INIT_ENGINE_AFALG, NULL);
 123 # endif
 124     return 1;
 125 }
 126 #endif
 127
 128 int setup_tests(void)
 129 {
 130 #ifndef OPENSSL_NO_ENGINE
 131     if ((e = ENGINE_by_id("afalg")) == NULL) {
 132         /* Probably a platform env issue, not a test failure. */
 133         TEST_info("Can't load AFALG engine");
 134     } else {
 135 # ifndef OPENSSL_NO_AFALGENG
 136         ADD_ALL_TESTS(test_afalg_aes_cbc, 3);
 137 # endif
 138     }
 139 #endif
 140
 141     return 1;
 142 }
 143
 144 #ifndef OPENSSL_NO_ENGINE
 145 void cleanup_tests(void)
 146 {
 147     ENGINE_free(e);
 148 }
 149 #endif