release/src/router/openssl/crypto/o_fips.c

   1 /*
   2  * Written by Stephen henson (steve@openssl.org) for the OpenSSL project
   3  * 2011.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2011 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    openssl-core@openssl.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  *
  53  * This product includes cryptographic software written by Eric Young
  54  * (eay@cryptsoft.com).  This product includes software written by Tim
  55  * Hudson (tjh@cryptsoft.com).
  56  *
  57  */
  58
  59 #include "cryptlib.h"
  60 #ifdef OPENSSL_FIPS
  61 # include <openssl/fips.h>
  62 # include <openssl/fips_rand.h>
  63 # include <openssl/rand.h>
  64 #endif
  65
  66 int FIPS_mode(void)
  67 {
  68     OPENSSL_init();
  69 #ifdef OPENSSL_FIPS
  70     return FIPS_module_mode();
  71 #else
  72     return 0;
  73 #endif
  74 }
  75
  76 int FIPS_mode_set(int r)
  77 {
  78     OPENSSL_init();
  79 #ifdef OPENSSL_FIPS
  80 # ifndef FIPS_AUTH_USER_PASS
  81 #  define FIPS_AUTH_USER_PASS     "Default FIPS Crypto User Password"
  82 # endif
  83     if (!FIPS_module_mode_set(r, FIPS_AUTH_USER_PASS))
  84         return 0;
  85     if (r)
  86         RAND_set_rand_method(FIPS_rand_get_method());
  87     else
  88         RAND_set_rand_method(NULL);
  89     return 1;
  90 #else
  91     if (r == 0)
  92         return 1;
  93     CRYPTOerr(CRYPTO_F_FIPS_MODE_SET, CRYPTO_R_FIPS_MODE_NOT_SUPPORTED);
  94     return 0;
  95 #endif
  96 }