test/afalgtest.c

   1 /*
   2  * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (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 #ifndef OPENSSL_NO_AFALGENG
  14 # include <linux/version.h>
  15 # define K_MAJ   4
  16 # define K_MIN1  1
  17 # define K_MIN2  0
  18 # if LINUX_VERSION_CODE <= KERNEL_VERSION(K_MAJ, K_MIN1, K_MIN2)
  19 /*
  20  * If we get here then it looks like there is a mismatch between the linux
  21  * headers and the actual kernel version, so we have tried to compile with
  22  * afalg support, but then skipped it in e_afalg.c. As far as this test is
  23  * concerned we behave as if we had been configured without support
  24  */
  25 #  define OPENSSL_NO_AFALGENG
  26 # endif
  27 #endif
  28
  29 #ifndef OPENSSL_NO_AFALGENG
  30 #include <string.h>
  31 #include <openssl/engine.h>
  32 #include <openssl/evp.h>
  33 #include <openssl/rand.h>
  34
  35 /* Use a buffer size which is not aligned to block size */
  36 #define BUFFER_SIZE     (8 * 1024) - 13
  37
  38 static int test_afalg_aes_128_cbc(ENGINE *e)
  39 {
  40     EVP_CIPHER_CTX *ctx;
  41     const EVP_CIPHER *cipher = EVP_aes_128_cbc();
  42     unsigned char key[] = "\x5F\x4D\xCC\x3B\x5A\xA7\x65\xD6\
  43                            \x1D\x83\x27\xDE\xB8\x82\xCF\x99";
  44     unsigned char iv[] = "\x2B\x95\x99\x0A\x91\x51\x37\x4A\
  45                           \xBD\x8F\xF8\xC5\xA7\xA0\xFE\x08";
  46
  47     unsigned char in[BUFFER_SIZE];
  48     unsigned char ebuf[BUFFER_SIZE + 32];
  49     unsigned char dbuf[BUFFER_SIZE + 32];
  50     int encl, encf, decl, decf;
  51     unsigned int status = 0;
  52
  53     ctx = EVP_CIPHER_CTX_new();
  54     if (ctx == NULL) {
  55         fprintf(stderr, "%s() failed to allocate ctx\n", __func__);
  56         return 0;
  57     }
  58     RAND_bytes(in, BUFFER_SIZE);
  59
  60     if (       !EVP_CipherInit_ex(ctx, cipher, e, key, iv, 1)
  61             || !EVP_CipherUpdate(ctx, ebuf, &encl, in, BUFFER_SIZE)
  62             || !EVP_CipherFinal_ex(ctx, ebuf+encl, &encf)) {
  63         fprintf(stderr, "%s() failed encryption\n", __func__);
  64         goto end;
  65     }
  66     encl += encf;
  67
  68     if (       !EVP_CIPHER_CTX_reset(ctx)
  69             || !EVP_CipherInit_ex(ctx, cipher, e, key, iv, 0)
  70             || !EVP_CipherUpdate(ctx, dbuf, &decl, ebuf, encl)
  71             || !EVP_CipherFinal_ex(ctx, dbuf+decl, &decf)) {
  72         fprintf(stderr, "%s() failed decryption\n", __func__);
  73         goto end;
  74     }
  75     decl += decf;
  76
  77     if (       decl != BUFFER_SIZE
  78             || memcmp(dbuf, in, BUFFER_SIZE)) {
  79         fprintf(stderr, "%s() failed Dec(Enc(P)) != P\n", __func__);
  80         goto end;
  81     }
  82
  83     status = 1;
  84
  85  end:
  86     EVP_CIPHER_CTX_free(ctx);
  87     return status;
  88 }
  89
  90 int main(int argc, char **argv)
  91 {
  92     ENGINE *e;
  93
  94     CRYPTO_set_mem_debug(1);
  95     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
  96
  97     ENGINE_load_builtin_engines();
  98
  99 # ifndef OPENSSL_NO_STATIC_ENGINE
 100     OPENSSL_init_crypto(OPENSSL_INIT_ENGINE_AFALG, NULL);
 101 # endif
 102
 103     e = ENGINE_by_id("afalg");
 104     if (e == NULL) {
 105         fprintf(stderr, "AFALG Test: Failed to load AFALG Engine\n");
 106         return 1;
 107     }
 108
 109     if (test_afalg_aes_128_cbc(e) == 0) {
 110         ENGINE_free(e);
 111         return 1;
 112     }
 113
 114     ENGINE_free(e);
 115     printf("PASS\n");
 116     return 0;
 117 }
 118
 119 #else  /* OPENSSL_NO_AFALGENG */
 120
 121 int main(int argc, char **argv)
 122 {
 123     fprintf(stderr, "AFALG not supported - skipping AFALG tests\n");
 124     printf("PASS\n");
 125     return 0;
 126 }
 127
 128 #endif