esp_camellia.c

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    1 /*
    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 #include <sys/param.h>
   29 #include <sys/systm.h>
   30 #include <sys/socket.h>
   31 #include <sys/queue.h>
   32 
   33 #include <net/if.h>
   34 #include <net/route.h>
   35 #include <netinet/in.h>
   36 
   37 #include <netinet6/ipsec.h>
   38 #include <netinet6/esp.h>
   39 #include <netinet6/esp_camellia.h>
   40 
   41 #include <crypto/camellia/camellia.h>
   42 
   43 size_t
   44 esp_camellia_schedlen(const struct esp_algorithm *algo)
   45 {
   46 
   47         return sizeof(camellia_ctx);
   48 }
   49 
   50 int
   51 esp_camellia_schedule(const struct esp_algorithm *algo, struct secasvar *sav)
   52 {
   53         camellia_ctx *ctx;
   54 
   55         ctx = (camellia_ctx *)sav->sched;
   56         camellia_set_key(ctx,
   57             (u_char *)_KEYBUF(sav->key_enc), _KEYLEN(sav->key_enc) * 8);
   58         return 0;
   59 }
   60 
   61 int
   62 esp_camellia_blockdecrypt(const struct esp_algorithm *algo, struct secasvar *sav,
   63                         u_int8_t *s, u_int8_t *d)
   64 {
   65         camellia_ctx *ctx;
   66 
   67         ctx = (camellia_ctx *)sav->sched;
   68         camellia_decrypt(ctx, s, d);
   69         return 0;
   70 }
   71 
   72 int
   73 esp_camellia_blockencrypt(const struct esp_algorithm *algo, struct secasvar *sav,
   74                         u_int8_t *s, u_int8_t *d)
   75 {
   76         camellia_ctx *ctx;
   77 
   78         ctx = (camellia_ctx *)sav->sched;
   79         camellia_encrypt(ctx, s, d);
   80         return 0;
   81 }

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

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