The Tor Browser: netwerk/srtp/src/crypto/rng/rand_linux

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2  * rand_linux_kernel.c

     3  *

     4  * implements a random source using Linux kernel functions

     5  *

     6  * Marcus Sundberg

     7  * Ingate Systems AB

     8  */

     9 /*

    10  *

    11  * Copyright(c) 2005 Ingate Systems AB

    12  * All rights reserved.

    13  *

    14  * Redistribution and use in source and binary forms, with or without

    15  * modification, are permitted provided that the following conditions

    16  * are met:

    17  *

    18  *   Redistributions of source code must retain the above copyright

    19  *   notice, this list of conditions and the following disclaimer.

    20  *

    21  *   Redistributions in binary form must reproduce the above

    22  *   copyright notice, this list of conditions and the following

    23  *   disclaimer in the documentation and/or other materials provided

    24  *   with the distribution.

    25  *

    26  *   Neither the name of the author(s) nor the names of its

    27  *   contributors may be used to endorse or promote products derived

    28  *   from this software without specific prior written permission.

    29  *

    30  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

    31  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

    32  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS

    33  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE

    34  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,

    35  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

    36  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

    37  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

    38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

    39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    40  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

    41  * OF THE POSSIBILITY OF SUCH DAMAGE.

    42  *

    43  */

    45 #include "config.h"

    46 #include "rand_source.h"

    49 err_status_t

    50 rand_source_init(void) {

    51   return err_status_ok;

    52 }

    54 err_status_t

    55 rand_source_get_octet_string(void *dest, uint32_t len) {

    57   get_random_bytes(dest, len);

    59   return err_status_ok;

    60 }

    62 err_status_t

    63 rand_source_deinit(void) {

    64   return err_status_ok;

    65 }

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