1 /*

     2 * Portions Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 * The original NIST Statistical Test Suite code is placed in public domain.

    16 * (http://csrc.nist.gov/groups/ST/toolkit/rng/documentation_software.html) 

    17 * 

    18 * This software was developed at the National Institute of Standards and Technology by 

    19 * employees of the Federal Government in the course of their official duties. Pursuant

    20 * to title 17 Section 105 of the United States Code this software is not subject to 

    21 * copyright protection and is in the public domain. The NIST Statistical Test Suite is

    22 * an experimental system. NIST assumes no responsibility whatsoever for its use by other 

    23 * parties, and makes no guarantees, expressed or implied, about its quality, reliability, 

    24 * or any other characteristic. We would appreciate acknowledgment if the software is used.

    25 */

    26 

    27 #ifndef _GENERATORS_H_

    28 #define _GENERATORS_H_

    29 //#include	"../include/sha.h"

    30 

    31 void	lcg();

    32 double	lcg_rand(int, double, double*, int);

    33 void	quadRes1();

    34 void	quadRes2();

    35 void	cubicRes();

    36 void	exclusiveOR();

    37 void	modExp();

    38 void	bbs();

    39 void	micali_schnorr();

    40 void	SHA1();

    41 void    HASH_DRBG();

    42 

    43 /* The circular shifts. */

    44 #define CS1(x) ((((ULONG)x)<<1)|(((ULONG)x)>>31))

    45 #define CS5(x)  ((((ULONG)x)<<5)|(((ULONG)x)>>27))

    46 #define CS30(x)  ((((ULONG)x)<<30)|(((ULONG)x)>>2))

    47 

    48 /* K constants */

    49 

    50 #define K0  0x5a827999L

    51 #define K1  0x6ed9eba1L

    52 #define K2  0x8f1bbcdcL

    53 #define K3  0xca62c1d6L

    54 

    55 #define f1(x,y,z)   ( (x & (y ^ z)) ^ z )

    56 

    57 #define f3(x,y,z)   ( (x & ( y ^ z )) ^ (z & y) )

    58 

    59 #define f2(x,y,z)   ( x ^ y ^ z )                           /* Rounds 20-39 */

    60 

    61 #define  expand(x)  Wbuff[x%16] = CS1(Wbuff[(x - 3)%16 ] ^ Wbuff[(x - 8)%16 ] ^ Wbuff[(x - 14)%16] ^ Wbuff[x%16])

    62 

    63 #define sub1Round1(count)      { \

    64 	 temp = CS5(A) + f1(B, C, D) + E + Wbuff[count] + K0; \

    65 	 E = D; \

    66 	 D = C; \

    67 	 C = CS30( B ); \

    68 	 B = A; \

    69 	 A = temp; \

    70 	 } \

    71 

    72 #define sub2Round1(count)   \

    73 	 { \

    74 	 expand(count); \

    75 	 temp = CS5(A) + f1(B, C, D) + E + Wbuff[count%16] + K0; \

    76 	 E = D; \

    77 	 D = C; \

    78 	 C = CS30( B ); \

    79 	 B = A; \

    80 	 A = temp; \

    81 	} \

    82 

    83 #define Round2(count)     \

    84 	 { \

    85 	 expand(count); \

    86 	 temp = CS5( A ) + f2( B, C, D ) + E + Wbuff[count%16] + K1;  \

    87 	 E = D; \

    88 	 D = C; \

    89 	 C = CS30( B ); \

    90 	 B = A; \

    91 	 A = temp;  \

    92 	 } \

    93 

    94 #define Round3(count)    \

    95 	 { \

    96 	 expand(count); \

    97 	 temp = CS5( A ) + f3( B, C, D ) + E + Wbuff[count%16] + K2; \

    98 	 E = D; \

    99 	 D = C; \

   100 	 C = CS30( B ); \

   101 	 B = A; \

   102 	 A = temp; \

   103 	 }

   104 

   105 #define Round4(count)    \

   106 	 { \

   107 	 expand(count); \

   108 	 temp = CS5( A ) + f2( B, C, D ) + E + Wbuff[count%16] + K3; \

   109 	 E = D; \

   110 	 D = C; \

   111 	 C = CS30( B ); \

   112 	 B = A; \

   113 	 A = temp; \

   114 	 }

   115 

   116 #endif