os/ossrv/ssl/libcrypto/src/crypto/rc2/rc2_locl.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 /* crypto/rc2/rc2_locl.h */
     2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
     3  * All rights reserved.
     4  *
     5  * This package is an SSL implementation written
     6  * by Eric Young (eay@cryptsoft.com).
     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 (tjh@cryptsoft.com).
    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 (eay@cryptsoft.com)"
    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 (tjh@cryptsoft.com)"
    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 #undef c2l
    60 #define c2l(c,l)	(l =((unsigned long)(*((c)++)))    , \
    61 			 l|=((unsigned long)(*((c)++)))<< 8L, \
    62 			 l|=((unsigned long)(*((c)++)))<<16L, \
    63 			 l|=((unsigned long)(*((c)++)))<<24L)
    64 
    65 /* NOTE - c is not incremented as per c2l */
    66 #undef c2ln
    67 #define c2ln(c,l1,l2,n)	{ \
    68 			c+=n; \
    69 			l1=l2=0; \
    70 			switch (n) { \
    71 			case 8: l2 =((unsigned long)(*(--(c))))<<24L; \
    72 			case 7: l2|=((unsigned long)(*(--(c))))<<16L; \
    73 			case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \
    74 			case 5: l2|=((unsigned long)(*(--(c))));     \
    75 			case 4: l1 =((unsigned long)(*(--(c))))<<24L; \
    76 			case 3: l1|=((unsigned long)(*(--(c))))<<16L; \
    77 			case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \
    78 			case 1: l1|=((unsigned long)(*(--(c))));     \
    79 				} \
    80 			}
    81 
    82 #undef l2c
    83 #define l2c(l,c)	(*((c)++)=(unsigned char)(((l)     )&0xff), \
    84 			 *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
    85 			 *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
    86 			 *((c)++)=(unsigned char)(((l)>>24L)&0xff))
    87 
    88 /* NOTE - c is not incremented as per l2c */
    89 #undef l2cn
    90 #define l2cn(l1,l2,c,n)	{ \
    91 			c+=n; \
    92 			switch (n) { \
    93 			case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \
    94 			case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \
    95 			case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \
    96 			case 5: *(--(c))=(unsigned char)(((l2)     )&0xff); \
    97 			case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \
    98 			case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \
    99 			case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \
   100 			case 1: *(--(c))=(unsigned char)(((l1)     )&0xff); \
   101 				} \
   102 			}
   103 
   104 /* NOTE - c is not incremented as per n2l */
   105 #define n2ln(c,l1,l2,n)	{ \
   106 			c+=n; \
   107 			l1=l2=0; \
   108 			switch (n) { \
   109 			case 8: l2 =((unsigned long)(*(--(c))))    ; \
   110 			case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
   111 			case 6: l2|=((unsigned long)(*(--(c))))<<16; \
   112 			case 5: l2|=((unsigned long)(*(--(c))))<<24; \
   113 			case 4: l1 =((unsigned long)(*(--(c))))    ; \
   114 			case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
   115 			case 2: l1|=((unsigned long)(*(--(c))))<<16; \
   116 			case 1: l1|=((unsigned long)(*(--(c))))<<24; \
   117 				} \
   118 			}
   119 
   120 /* NOTE - c is not incremented as per l2n */
   121 #define l2nn(l1,l2,c,n)	{ \
   122 			c+=n; \
   123 			switch (n) { \
   124 			case 8: *(--(c))=(unsigned char)(((l2)    )&0xff); \
   125 			case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
   126 			case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
   127 			case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
   128 			case 4: *(--(c))=(unsigned char)(((l1)    )&0xff); \
   129 			case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
   130 			case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
   131 			case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
   132 				} \
   133 			}
   134 
   135 #undef n2l
   136 #define n2l(c,l)        (l =((unsigned long)(*((c)++)))<<24L, \
   137                          l|=((unsigned long)(*((c)++)))<<16L, \
   138                          l|=((unsigned long)(*((c)++)))<< 8L, \
   139                          l|=((unsigned long)(*((c)++))))
   140 
   141 #undef l2n
   142 #define l2n(l,c)        (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \
   143                          *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
   144                          *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
   145                          *((c)++)=(unsigned char)(((l)     )&0xff))
   146 
   147 #define C_RC2(n) \
   148 	t=(x0+(x1& ~x3)+(x2&x3)+ *(p0++))&0xffff; \
   149 	x0=(t<<1)|(t>>15); \
   150 	t=(x1+(x2& ~x0)+(x3&x0)+ *(p0++))&0xffff; \
   151 	x1=(t<<2)|(t>>14); \
   152 	t=(x2+(x3& ~x1)+(x0&x1)+ *(p0++))&0xffff; \
   153 	x2=(t<<3)|(t>>13); \
   154 	t=(x3+(x0& ~x2)+(x1&x2)+ *(p0++))&0xffff; \
   155 	x3=(t<<5)|(t>>11);
   156