The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/netinet6/esp_camellia.c

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    1 /* $FreeBSD: releng/6.4/sys/netinet6/esp_camellia.c 174400 2007-12-07 08:45:29Z gnn $
    2  *
    3  * Copyright (c) 2006
    4  * NTT (Nippon Telegraph and Telephone Corporation) . All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *   notice, this list of conditions and the following disclaimer as
   11  *   the first lines of this file unmodified.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *   notice, this list of conditions and the following disclaimer in the
   14  *   documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY NTT ``AS IS'' AND ANY EXPRESS OR
   17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   19  * IN NO EVENT SHALL NTT BE LIABLE FOR ANY DIRECT, INDIRECT,
   20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   26  */
   27 
   28 
   29 #include <sys/param.h>
   30 #include <sys/systm.h>
   31 #include <sys/socket.h>
   32 #include <sys/queue.h>
   33 
   34 #include <net/if.h>
   35 #include <net/route.h>
   36 #include <netinet/in.h>
   37 
   38 #include <netinet6/ipsec.h>
   39 #include <netinet6/esp.h>
   40 #include <netinet6/esp_camellia.h>
   41 
   42 #include <crypto/camellia/camellia.h>
   43 
   44 size_t
   45 esp_camellia_schedlen(algo)
   46         const struct esp_algorithm *algo;
   47 {
   48 
   49         return sizeof(camellia_ctx);
   50 }
   51 
   52 int
   53 esp_camellia_schedule(algo, sav)
   54         const struct esp_algorithm *algo;
   55         struct secasvar *sav;
   56 {
   57         camellia_ctx *ctx;
   58 
   59         ctx = (camellia_ctx *)sav->sched;
   60         camellia_set_key(ctx,
   61             (u_char *)_KEYBUF(sav->key_enc), _KEYLEN(sav->key_enc) * 8);
   62         return 0;
   63 }
   64 
   65 int
   66 esp_camellia_blockdecrypt(algo, sav, s, d)
   67         const struct esp_algorithm *algo;
   68         struct secasvar *sav;
   69         u_int8_t *s;
   70         u_int8_t *d;
   71 {
   72         camellia_ctx *ctx;
   73 
   74         ctx = (camellia_ctx *)sav->sched;
   75         camellia_decrypt(ctx, s, d);
   76         return 0;
   77 }
   78 
   79 int
   80 esp_camellia_blockencrypt(algo, sav, s, d)
   81         const struct esp_algorithm *algo;
   82         struct secasvar *sav;
   83         u_int8_t *s;
   84         u_int8_t *d;
   85 {
   86         camellia_ctx *ctx;
   87 
   88         ctx = (camellia_ctx *)sav->sched;
   89         camellia_encrypt(ctx, s, d);
   90         return 0;
   91 }

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