GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcrypto/crypto/../../libssl/src/crypto/bf/bf_skey.c Lines: 31 31 100.0 %
Date: 2016-12-06 Branches: 15 16 93.8 %

Line Branch Exec Source
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/* $OpenBSD: bf_skey.c,v 1.12 2014/06/12 15:49:28 deraadt Exp $ */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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 * All rights reserved.
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 *
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 * This package is an SSL implementation written
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 * by Eric Young (eay@cryptsoft.com).
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 * The implementation was written so as to conform with Netscapes SSL.
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 *
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 * This library is free for commercial and non-commercial use as long as
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 * the following conditions are aheared to.  The following conditions
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 * apply to all code found in this distribution, be it the RC4, RSA,
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 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
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 * included with this distribution is covered by the same copyright terms
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 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
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 *
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 * Copyright remains Eric Young's, and as such any Copyright notices in
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 * the code are not to be removed.
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 * If this package is used in a product, Eric Young should be given attribution
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 * as the author of the parts of the library used.
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 * This can be in the form of a textual message at program startup or
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 * in documentation (online or textual) provided with the package.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. All advertising materials mentioning features or use of this software
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 *    must display the following acknowledgement:
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 *    "This product includes cryptographic software written by
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 *     Eric Young (eay@cryptsoft.com)"
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 *    The word 'cryptographic' can be left out if the rouines from the library
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 *    being used are not cryptographic related :-).
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 * 4. If you include any Windows specific code (or a derivative thereof) from
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 *    the apps directory (application code) you must include an acknowledgement:
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 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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 *
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 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 * The licence and distribution terms for any publically available version or
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 * derivative of this code cannot be changed.  i.e. this code cannot simply be
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 * copied and put under another distribution licence
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 * [including the GNU Public Licence.]
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 */
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#include <stdio.h>
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#include <string.h>
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#include <openssl/crypto.h>
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#include <openssl/blowfish.h>
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#include "bf_locl.h"
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#include "bf_pi.h"
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void BF_set_key(BF_KEY *key, int len, const unsigned char *data)
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	{
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	int i;
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	BF_LONG *p,ri,in[2];
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	const unsigned char *d,*end;
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	memcpy(key,&bf_init,sizeof(BF_KEY));
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	p=key->P;
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	if (len > ((BF_ROUNDS+2)*4)) len=(BF_ROUNDS+2)*4;
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	d=data;
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	end= &(data[len]);
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	for (i=0; i<(BF_ROUNDS+2); i++)
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		{
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		ri= *(d++);
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		if (d >= end) d=data;
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		ri<<=8;
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		ri|= *(d++);
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		if (d >= end) d=data;
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		ri<<=8;
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		ri|= *(d++);
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		if (d >= end) d=data;
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		ri<<=8;
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		ri|= *(d++);
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		if (d >= end) d=data;
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		p[i]^=ri;
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		}
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	in[0]=0L;
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	in[1]=0L;
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	for (i=0; i<(BF_ROUNDS+2); i+=2)
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		{
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		BF_encrypt(in,key);
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		p[i  ]=in[0];
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		p[i+1]=in[1];
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		}
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	p=key->S;
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	for (i=0; i<4*256; i+=2)
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		{
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		BF_encrypt(in,key);
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		p[i  ]=in[0];
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		p[i+1]=in[1];
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		}
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	}
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