1  | 
     | 
     | 
    /* $OpenBSD: cmll_cfb.c,v 1.4 2014/11/13 20:01:58 miod Exp $ */  | 
    
    
    2  | 
     | 
     | 
    /* ====================================================================  | 
    
    
    3  | 
     | 
     | 
     * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.  | 
    
    
    4  | 
     | 
     | 
     *  | 
    
    
    5  | 
     | 
     | 
     * Redistribution and use in source and binary forms, with or without  | 
    
    
    6  | 
     | 
     | 
     * modification, are permitted provided that the following conditions  | 
    
    
    7  | 
     | 
     | 
     * are met:  | 
    
    
    8  | 
     | 
     | 
     *  | 
    
    
    9  | 
     | 
     | 
     * 1. Redistributions of source code must retain the above copyright  | 
    
    
    10  | 
     | 
     | 
     *    notice, this list of conditions and the following disclaimer.  | 
    
    
    11  | 
     | 
     | 
     *  | 
    
    
    12  | 
     | 
     | 
     * 2. Redistributions in binary form must reproduce the above copyright  | 
    
    
    13  | 
     | 
     | 
     *    notice, this list of conditions and the following disclaimer in  | 
    
    
    14  | 
     | 
     | 
     *    the documentation and/or other materials provided with the  | 
    
    
    15  | 
     | 
     | 
     *    distribution.  | 
    
    
    16  | 
     | 
     | 
     *  | 
    
    
    17  | 
     | 
     | 
     * 3. All advertising materials mentioning features or use of this  | 
    
    
    18  | 
     | 
     | 
     *    software must display the following acknowledgment:  | 
    
    
    19  | 
     | 
     | 
     *    "This product includes software developed by the OpenSSL Project  | 
    
    
    20  | 
     | 
     | 
     *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"  | 
    
    
    21  | 
     | 
     | 
     *  | 
    
    
    22  | 
     | 
     | 
     * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to  | 
    
    
    23  | 
     | 
     | 
     *    endorse or promote products derived from this software without  | 
    
    
    24  | 
     | 
     | 
     *    prior written permission. For written permission, please contact  | 
    
    
    25  | 
     | 
     | 
     *    openssl-core@openssl.org.  | 
    
    
    26  | 
     | 
     | 
     *  | 
    
    
    27  | 
     | 
     | 
     * 5. Products derived from this software may not be called "OpenSSL"  | 
    
    
    28  | 
     | 
     | 
     *    nor may "OpenSSL" appear in their names without prior written  | 
    
    
    29  | 
     | 
     | 
     *    permission of the OpenSSL Project.  | 
    
    
    30  | 
     | 
     | 
     *  | 
    
    
    31  | 
     | 
     | 
     * 6. Redistributions of any form whatsoever must retain the following  | 
    
    
    32  | 
     | 
     | 
     *    acknowledgment:  | 
    
    
    33  | 
     | 
     | 
     *    "This product includes software developed by the OpenSSL Project  | 
    
    
    34  | 
     | 
     | 
     *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"  | 
    
    
    35  | 
     | 
     | 
     *  | 
    
    
    36  | 
     | 
     | 
     * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY  | 
    
    
    37  | 
     | 
     | 
     * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE  | 
    
    
    38  | 
     | 
     | 
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR  | 
    
    
    39  | 
     | 
     | 
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR  | 
    
    
    40  | 
     | 
     | 
     * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,  | 
    
    
    41  | 
     | 
     | 
     * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT  | 
    
    
    42  | 
     | 
     | 
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;  | 
    
    
    43  | 
     | 
     | 
     * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  | 
    
    
    44  | 
     | 
     | 
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,  | 
    
    
    45  | 
     | 
     | 
     * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)  | 
    
    
    46  | 
     | 
     | 
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED  | 
    
    
    47  | 
     | 
     | 
     * OF THE POSSIBILITY OF SUCH DAMAGE.  | 
    
    
    48  | 
     | 
     | 
     * ====================================================================  | 
    
    
    49  | 
     | 
     | 
     *  | 
    
    
    50  | 
     | 
     | 
     */  | 
    
    
    51  | 
     | 
     | 
    /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)  | 
    
    
    52  | 
     | 
     | 
     * All rights reserved.  | 
    
    
    53  | 
     | 
     | 
     *  | 
    
    
    54  | 
     | 
     | 
     * This package is an SSL implementation written  | 
    
    
    55  | 
     | 
     | 
     * by Eric Young (eay@cryptsoft.com).  | 
    
    
    56  | 
     | 
     | 
     * The implementation was written so as to conform with Netscapes SSL.  | 
    
    
    57  | 
     | 
     | 
     *  | 
    
    
    58  | 
     | 
     | 
     * This library is free for commercial and non-commercial use as long as  | 
    
    
    59  | 
     | 
     | 
     * the following conditions are aheared to.  The following conditions  | 
    
    
    60  | 
     | 
     | 
     * apply to all code found in this distribution, be it the RC4, RSA,  | 
    
    
    61  | 
     | 
     | 
     * lhash, DES, etc., code; not just the SSL code.  The SSL documentation  | 
    
    
    62  | 
     | 
     | 
     * included with this distribution is covered by the same copyright terms  | 
    
    
    63  | 
     | 
     | 
     * except that the holder is Tim Hudson (tjh@cryptsoft.com).  | 
    
    
    64  | 
     | 
     | 
     *  | 
    
    
    65  | 
     | 
     | 
     * Copyright remains Eric Young's, and as such any Copyright notices in  | 
    
    
    66  | 
     | 
     | 
     * the code are not to be removed.  | 
    
    
    67  | 
     | 
     | 
     * If this package is used in a product, Eric Young should be given attribution  | 
    
    
    68  | 
     | 
     | 
     * as the author of the parts of the library used.  | 
    
    
    69  | 
     | 
     | 
     * This can be in the form of a textual message at program startup or  | 
    
    
    70  | 
     | 
     | 
     * in documentation (online or textual) provided with the package.  | 
    
    
    71  | 
     | 
     | 
     *  | 
    
    
    72  | 
     | 
     | 
     * Redistribution and use in source and binary forms, with or without  | 
    
    
    73  | 
     | 
     | 
     * modification, are permitted provided that the following conditions  | 
    
    
    74  | 
     | 
     | 
     * are met:  | 
    
    
    75  | 
     | 
     | 
     * 1. Redistributions of source code must retain the copyright  | 
    
    
    76  | 
     | 
     | 
     *    notice, this list of conditions and the following disclaimer.  | 
    
    
    77  | 
     | 
     | 
     * 2. Redistributions in binary form must reproduce the above copyright  | 
    
    
    78  | 
     | 
     | 
     *    notice, this list of conditions and the following disclaimer in the  | 
    
    
    79  | 
     | 
     | 
     *    documentation and/or other materials provided with the distribution.  | 
    
    
    80  | 
     | 
     | 
     * 3. All advertising materials mentioning features or use of this software  | 
    
    
    81  | 
     | 
     | 
     *    must display the following acknowledgement:  | 
    
    
    82  | 
     | 
     | 
     *    "This product includes cryptographic software written by  | 
    
    
    83  | 
     | 
     | 
     *     Eric Young (eay@cryptsoft.com)"  | 
    
    
    84  | 
     | 
     | 
     *    The word 'cryptographic' can be left out if the rouines from the library  | 
    
    
    85  | 
     | 
     | 
     *    being used are not cryptographic related :-).  | 
    
    
    86  | 
     | 
     | 
     * 4. If you include any Windows specific code (or a derivative thereof) from  | 
    
    
    87  | 
     | 
     | 
     *    the apps directory (application code) you must include an acknowledgement:  | 
    
    
    88  | 
     | 
     | 
     *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"  | 
    
    
    89  | 
     | 
     | 
     *  | 
    
    
    90  | 
     | 
     | 
     * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND  | 
    
    
    91  | 
     | 
     | 
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE  | 
    
    
    92  | 
     | 
     | 
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE  | 
    
    
    93  | 
     | 
     | 
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE  | 
    
    
    94  | 
     | 
     | 
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL  | 
    
    
    95  | 
     | 
     | 
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS  | 
    
    
    96  | 
     | 
     | 
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  | 
    
    
    97  | 
     | 
     | 
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT  | 
    
    
    98  | 
     | 
     | 
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY  | 
    
    
    99  | 
     | 
     | 
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF  | 
    
    
    100  | 
     | 
     | 
     * SUCH DAMAGE.  | 
    
    
    101  | 
     | 
     | 
     *  | 
    
    
    102  | 
     | 
     | 
     * The licence and distribution terms for any publically available version or  | 
    
    
    103  | 
     | 
     | 
     * derivative of this code cannot be changed.  i.e. this code cannot simply be  | 
    
    
    104  | 
     | 
     | 
     * copied and put under another distribution licence  | 
    
    
    105  | 
     | 
     | 
     * [including the GNU Public Licence.]  | 
    
    
    106  | 
     | 
     | 
     */  | 
    
    
    107  | 
     | 
     | 
     | 
    
    
    108  | 
     | 
     | 
    #include <openssl/camellia.h>  | 
    
    
    109  | 
     | 
     | 
    #include <openssl/modes.h>  | 
    
    
    110  | 
     | 
     | 
     | 
    
    
    111  | 
     | 
     | 
     | 
    
    
    112  | 
     | 
     | 
    /*  | 
    
    
    113  | 
     | 
     | 
     * The input and output encrypted as though 128bit cfb mode is being  | 
    
    
    114  | 
     | 
     | 
     * used.  The extra state information to record how much of the  | 
    
    
    115  | 
     | 
     | 
     * 128bit block we have used is contained in *num;  | 
    
    
    116  | 
     | 
     | 
     */  | 
    
    
    117  | 
     | 
     | 
     | 
    
    
    118  | 
     | 
     | 
    void  | 
    
    
    119  | 
     | 
     | 
    Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,  | 
    
    
    120  | 
     | 
     | 
        size_t length, const CAMELLIA_KEY *key, unsigned char *ivec, int *num,  | 
    
    
    121  | 
     | 
     | 
        const int enc)  | 
    
    
    122  | 
     | 
     | 
    { | 
    
    
    123  | 
     | 
    288  | 
    	CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc,  | 
    
    
    124  | 
     | 
     | 
    	    (block128_f)Camellia_encrypt);  | 
    
    
    125  | 
     | 
    144  | 
    }  | 
    
    
    126  | 
     | 
     | 
     | 
    
    
    127  | 
     | 
     | 
    /* N.B. This expects the input to be packed, MS bit first */  | 
    
    
    128  | 
     | 
     | 
    void  | 
    
    
    129  | 
     | 
     | 
    Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,  | 
    
    
    130  | 
     | 
     | 
        size_t length, const CAMELLIA_KEY *key, unsigned char *ivec, int *num,  | 
    
    
    131  | 
     | 
     | 
        const int enc)  | 
    
    
    132  | 
     | 
     | 
    { | 
    
    
    133  | 
     | 
     | 
    	CRYPTO_cfb128_1_encrypt(in, out, length, key, ivec, num, enc,  | 
    
    
    134  | 
     | 
     | 
    	    (block128_f)Camellia_encrypt);  | 
    
    
    135  | 
     | 
     | 
    }  | 
    
    
    136  | 
     | 
     | 
     | 
    
    
    137  | 
     | 
     | 
    void  | 
    
    
    138  | 
     | 
     | 
    Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,  | 
    
    
    139  | 
     | 
     | 
        size_t length, const CAMELLIA_KEY *key, unsigned char *ivec, int *num,  | 
    
    
    140  | 
     | 
     | 
        const int enc)  | 
    
    
    141  | 
     | 
     | 
    { | 
    
    
    142  | 
     | 
     | 
    	CRYPTO_cfb128_8_encrypt(in, out, length, key, ivec, num, enc,  | 
    
    
    143  | 
     | 
     | 
    	    (block128_f)Camellia_encrypt);  | 
    
    
    144  | 
     | 
     | 
    }  |