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Annotation of truecrypt/crypto/cast.h, revision 1.1.1.4

1.1.1.4 ! root        1: /* Deprecated/legacy */
        !             2: 
1.1       root        3: /* crypto/cast/cast.h */
                      4: /* Copyright (C) 1995-1997 Eric Young ([email protected])
                      5:  * All rights reserved.
                      6:  *
                      7:  * This package is an SSL implementation written
                      8:  * by Eric Young ([email protected]).
                      9:  * The implementation was written so as to conform with Netscapes SSL.
                     10:  * 
                     11:  * This library is free for commercial and non-commercial use as long as
                     12:  * the following conditions are aheared to.  The following conditions
                     13:  * apply to all code found in this distribution, be it the RC4, RSA,
                     14:  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
                     15:  * included with this distribution is covered by the same copyright terms
                     16:  * except that the holder is Tim Hudson ([email protected]).
                     17:  * 
                     18:  * Copyright remains Eric Young's, and as such any Copyright notices in
                     19:  * the code are not to be removed.
                     20:  * If this package is used in a product, Eric Young should be given attribution
                     21:  * as the author of the parts of the library used.
                     22:  * This can be in the form of a textual message at program startup or
                     23:  * in documentation (online or textual) provided with the package.
                     24:  * 
                     25:  * Redistribution and use in source and binary forms, with or without
                     26:  * modification, are permitted provided that the following conditions
                     27:  * are met:
                     28:  * 1. Redistributions of source code must retain the copyright
                     29:  *    notice, this list of conditions and the following disclaimer.
                     30:  * 2. Redistributions in binary form must reproduce the above copyright
                     31:  *    notice, this list of conditions and the following disclaimer in the
                     32:  *    documentation and/or other materials provided with the distribution.
                     33:  * 3. All advertising materials mentioning features or use of this software
                     34:  *    must display the following acknowledgement:
                     35:  *    "This product includes cryptographic software written by
                     36:  *     Eric Young ([email protected])"
                     37:  *    The word 'cryptographic' can be left out if the rouines from the library
                     38:  *    being used are not cryptographic related :-).
                     39:  * 4. If you include any Windows specific code (or a derivative thereof) from 
                     40:  *    the apps directory (application code) you must include an acknowledgement:
                     41:  *    "This product includes software written by Tim Hudson ([email protected])"
                     42:  * 
                     43:  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
                     44:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     45:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     46:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     47:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     48:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     49:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     50:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     51:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     52:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     53:  * SUCH DAMAGE.
                     54:  * 
                     55:  * The licence and distribution terms for any publically available version or
                     56:  * derivative of this code cannot be changed.  i.e. this code cannot simply be
                     57:  * copied and put under another distribution licence
                     58:  * [including the GNU Public Licence.]
                     59:  */
                     60: 
                     61: #ifndef HEADER_CAST_H
                     62: #define HEADER_CAST_H
                     63: 
                     64: #ifdef  __cplusplus
                     65: extern "C" {
                     66: #endif
                     67: 
                     68: #define CAST_ENCRYPT   1
                     69: #define CAST_DECRYPT   0
                     70: 
1.1.1.2   root       71: #define CAST_LONG unsigned __int32
1.1       root       72: 
                     73: #define CAST_BLOCK     8
                     74: #define CAST_KEY_LENGTH        16
                     75: 
                     76: typedef struct cast_key_st
                     77:        {
                     78:        CAST_LONG data[32];
                     79:        } CAST_KEY;
                     80: 
                     81: #ifndef NOPROTO
                     82:  
1.1.1.3   root       83: void CAST_set_key(CAST_KEY *key, int len, unsigned char *data);
                     84: void CAST_ecb_encrypt(unsigned char *in,unsigned char *out,CAST_KEY *key,
1.1       root       85:        int enc);
1.1.1.3   root       86: void CAST_encrypt(CAST_LONG *data,CAST_KEY *key);
                     87: void CAST_decrypt(CAST_LONG *data,CAST_KEY *key);
                     88: void CAST_cbc_encrypt(unsigned char *in, unsigned char *out, long length,
1.1       root       89:        CAST_KEY *ks, unsigned char *iv, int enc);
                     90: void CAST_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
                     91:        CAST_KEY *schedule, unsigned char *ivec, int *num, int enc);
                     92: void CAST_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
                     93:        CAST_KEY *schedule, unsigned char *ivec, int *num);
                     94: 
                     95: #else
                     96: 
                     97: void CAST_set_key();
1.1.1.3   root       98: void CAST_ecb_encrypt();
                     99: void CAST_encrypt();
                    100: void CAST_decrypt();
1.1       root      101: void CAST_cbc_encrypt();
                    102: void CAST_cfb64_encrypt();
                    103: void CAST_ofb64_encrypt();
                    104: 
                    105: #endif
                    106: 
                    107: #ifdef  __cplusplus
                    108: }
                    109: #endif
                    110: 
                    111: #endif

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