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/* ssl/s2_meth.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include "ssl_locl.h"
#ifndef OPENSSL_NO_SSL2
#include <stdio.h>
#include <openssl/objects.h>

static SSL_METHOD *ssl2_get_method(int ver);
static SSL_METHOD *ssl2_get_method(int ver)
	{
	if (ver == SSL2_VERSION)
		return(SSLv2_method());
	else
		return(NULL);
	}

IMPLEMENT_ssl2_meth_func(SSLv2_method,
			ssl2_accept,
			ssl2_connect,
			ssl2_get_method)

#else /* !OPENSSL_NO_SSL2 */

# if PEDANTIC
static void *dummy=&dummy;
# endif

#endif
="cm"> * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ #include <openssl/idea.h> #include "idea_lcl.h" void idea_cbc_encrypt(const unsigned char *in, unsigned char *out, long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv, int encrypt) { register unsigned long tin0,tin1; register unsigned long tout0,tout1,xor0,xor1; register long l=length; unsigned long tin[2]; if (encrypt) { n2l(iv,tout0); n2l(iv,tout1); iv-=8; for (l-=8; l>=0; l-=8) { n2l(in,tin0); n2l(in,tin1); tin0^=tout0; tin1^=tout1; tin[0]=tin0; tin[1]=tin1; idea_encrypt(tin,ks); tout0=tin[0]; l2n(tout0,out); tout1=tin[1]; l2n(tout1,out); } if (l != -8) { n2ln(in,tin0,tin1,l+8); tin0^=tout0; tin1^=tout1; tin[0]=tin0; tin[1]=tin1; idea_encrypt(tin,ks); tout0=tin[0]; l2n(tout0,out); tout1=tin[1]; l2n(tout1,out); } l2n(tout0,iv); l2n(tout1,iv); } else { n2l(iv,xor0); n2l(iv,xor1); iv-=8; for (l-=8; l>=0; l-=8) { n2l(in,tin0); tin[0]=tin0; n2l(in,tin1); tin[1]=tin1; idea_encrypt(tin,ks); tout0=tin[0]^xor0; tout1=tin[1]^xor1; l2n(tout0,out); l2n(tout1,out); xor0=tin0; xor1=tin1; } if (l != -8) { n2l(in,tin0); tin[0]=tin0; n2l(in,tin1); tin[1]=tin1; idea_encrypt(tin,ks); tout0=tin[0]^xor0; tout1=tin[1]^xor1; l2nn(tout0,tout1,out,l+8); xor0=tin0; xor1=tin1; } l2n(xor0,iv); l2n(xor1,iv); } tin0=tin1=tout0=tout1=xor0=xor1=0; tin[0]=tin[1]=0; } void idea_encrypt(unsigned long *d, IDEA_KEY_SCHEDULE *key) { register IDEA_INT *p; register unsigned long x1,x2,x3,x4,t0,t1,ul; x2=d[0]; x1=(x2>>16); x4=d[1]; x3=(x4>>16); p= &(key->data[0][0]); E_IDEA(0); E_IDEA(1); E_IDEA(2); E_IDEA(3); E_IDEA(4); E_IDEA(5); E_IDEA(6); E_IDEA(7); x1&=0xffff; idea_mul(x1,x1,*p,ul); p++; t0= x3+ *(p++); t1= x2+ *(p++); x4&=0xffff; idea_mul(x4,x4,*p,ul); d[0]=(t0&0xffff)|((x1&0xffff)<<16); d[1]=(x4&0xffff)|((t1&0xffff)<<16); }