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Annotation of truecrypt/crypto/c_ecb.c, revision 1.1

1.1     ! root        1: /* crypto/cast/cast_ecb.c */
        !             2: /* Copyright (C) 1995-1997 Eric Young ([email protected])
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * This package is an SSL implementation written
        !             6:  * by Eric Young ([email protected]).
        !             7:  * The implementation was written so as to conform with Netscapes SSL.
        !             8:  * 
        !             9:  * This library is free for commercial and non-commercial use as long as
        !            10:  * the following conditions are aheared to.  The following conditions
        !            11:  * apply to all code found in this distribution, be it the RC4, RSA,
        !            12:  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
        !            13:  * included with this distribution is covered by the same copyright terms
        !            14:  * except that the holder is Tim Hudson ([email protected]).
        !            15:  * 
        !            16:  * Copyright remains Eric Young's, and as such any Copyright notices in
        !            17:  * the code are not to be removed.
        !            18:  * If this package is used in a product, Eric Young should be given attribution
        !            19:  * as the author of the parts of the library used.
        !            20:  * This can be in the form of a textual message at program startup or
        !            21:  * in documentation (online or textual) provided with the package.
        !            22:  * 
        !            23:  * Redistribution and use in source and binary forms, with or without
        !            24:  * modification, are permitted provided that the following conditions
        !            25:  * are met:
        !            26:  * 1. Redistributions of source code must retain the copyright
        !            27:  *    notice, this list of conditions and the following disclaimer.
        !            28:  * 2. Redistributions in binary form must reproduce the above copyright
        !            29:  *    notice, this list of conditions and the following disclaimer in the
        !            30:  *    documentation and/or other materials provided with the distribution.
        !            31:  * 3. All advertising materials mentioning features or use of this software
        !            32:  *    must display the following acknowledgement:
        !            33:  *    "This product includes cryptographic software written by
        !            34:  *     Eric Young ([email protected])"
        !            35:  *    The word 'cryptographic' can be left out if the rouines from the library
        !            36:  *    being used are not cryptographic related :-).
        !            37:  * 4. If you include any Windows specific code (or a derivative thereof) from 
        !            38:  *    the apps directory (application code) you must include an acknowledgement:
        !            39:  *    "This product includes software written by Tim Hudson ([email protected])"
        !            40:  * 
        !            41:  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
        !            42:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            43:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            44:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
        !            45:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            46:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            47:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            48:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            49:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            50:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            51:  * SUCH DAMAGE.
        !            52:  * 
        !            53:  * The licence and distribution terms for any publically available version or
        !            54:  * derivative of this code cannot be changed.  i.e. this code cannot simply be
        !            55:  * copied and put under another distribution licence
        !            56:  * [including the GNU Public Licence.]
        !            57:  */
        !            58: 
        !            59: #include "cast.h"
        !            60: #include "cast_lcl.h"
        !            61: 
        !            62: #pragma warning( disable : 4131 )
        !            63: 
        !            64: 
        !            65: char *CAST_version="CAST part of SSLeay 0.8.2b 08-Jan-1998";
        !            66: 
        !            67: void _cdecl CAST_ecb_encrypt(in, out, ks, encrypt)
        !            68: unsigned char *in;
        !            69: unsigned char *out;
        !            70: CAST_KEY *ks;
        !            71: int encrypt;
        !            72:        {
        !            73:        CAST_LONG l,d[2];
        !            74: 
        !            75:        n2l(in,l); d[0]=l;
        !            76:        n2l(in,l); d[1]=l;
        !            77:        if (encrypt)
        !            78:                CAST_encrypt(d,ks);
        !            79:        else
        !            80:                CAST_decrypt(d,ks);
        !            81:        l=d[0]; l2n(l,out);
        !            82:        l=d[1]; l2n(l,out);
        !            83:        l=d[0]=d[1]=0;
        !            84:        }
        !            85: 

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