mirror of https://github.com/macssh/macssh.git
70 lines
1.7 KiB
C
Executable File
70 lines
1.7 KiB
C
Executable File
/* arcfour.c
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*
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* $Id$ */
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/* lsh, an implementation of the ssh protocol
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*
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* Copyright (C) 1998 Niels Möller
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "crypto.h"
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#include "werror.h"
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#include "xalloc.h"
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#include "nettle/arcfour.h"
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#include "arcfour.c.x"
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/* GABA:
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(class
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(name arcfour_instance)
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(super crypto_instance)
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(vars
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(ctx . "struct arcfour_ctx")))
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*/
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static void do_crypt_arcfour(struct crypto_instance *s,
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UINT32 length, const UINT8 *src, UINT8 *dst)
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{
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CAST(arcfour_instance, self, s);
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if (length % 8)
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fatal("Internal error\n");
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arcfour_crypt(&self->ctx, length, dst, src);
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}
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static struct crypto_instance *
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make_arcfour_instance(struct crypto_algorithm *ignored UNUSED,
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int mode UNUSED,
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const UINT8 *key, const UINT8 *iv UNUSED)
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{
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NEW(arcfour_instance, self);
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self->super.block_size = 8;
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self->super.crypt = do_crypt_arcfour;
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arcfour_set_key(&self->ctx, 16, key);
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return &self->super;
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}
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struct crypto_algorithm crypto_arcfour_algorithm =
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{ STATIC_HEADER,
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8, 16, 0, make_arcfour_instance };
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