Xoodoo.h

/*
The eXtended Keccak Code Package (XKCP)
https://github.com/XKCP/XKCP

The Xoodoo permutation, designed by Joan Daemen, Seth Hoffert, Gilles Van Assche and Ronny Van Keer.

Implementation by Ronny Van Keer, hereby denoted as "the implementer".

For more information, feedback or questions, please refer to the Keccak Team website:
https://keccak.team/

To the extent possible under law, the implementer has waived all copyright
and related or neighboring rights to the source code in this file.
http://creativecommons.org/publicdomain/zero/1.0/
*/

#ifndef _Xoodoo_h_
#define _Xoodoo_h_

#include <stdint.h>
#include <stdlib.h>

#define MAXROUNDS   12
#define NROWS       3
#define NCOLUMS     4
#define NLANES      (NCOLUMS*NROWS)

/*    Round constants    */
#define _rc12   0x00000058
#define _rc11   0x00000038
#define _rc10   0x000003C0
#define _rc9    0x000000D0
#define _rc8    0x00000120
#define _rc7    0x00000014
#define _rc6    0x00000060
#define _rc5    0x0000002C
#define _rc4    0x00000380
#define _rc3    0x000000F0
#define _rc2    0x000001A0
#define _rc1    0x00000012


#if !defined(ROTL32)
    #if defined (__arm__) && !defined(__GNUC__)
        #define ROTL32(a, offset)                       __ror(a, (32-(offset))%32)
    #elif defined(_MSC_VER)
        #define ROTL32(a, offset)                       _rotl(a, (offset)%32)
    #else
        #define ROTL32(a, offset)                       ((((uint32_t)a) << ((offset)%32)) ^ (((uint32_t)a) >> ((32-(offset))%32)))
    #endif
#endif

#if !defined(READ32_UNALIGNED)
    #if defined (__arm__) && !defined(__GNUC__)
        #define READ32_UNALIGNED(argAddress)            (*((const __packed uint32_t*)(argAddress)))
    #elif defined(_MSC_VER)
        #define READ32_UNALIGNED(argAddress)            (*((const uint32_t*)(argAddress)))
    #else
        #define READ32_UNALIGNED(argAddress)            (*((const uint32_t*)(argAddress)))
    #endif
#endif

#if !defined(WRITE32_UNALIGNED)
    #if defined (__arm__) && !defined(__GNUC__)
        #define WRITE32_UNALIGNED(argAddress, argData)  (*((__packed uint32_t*)(argAddress)) = (argData))
    #elif defined(_MSC_VER)
        #define WRITE32_UNALIGNED(argAddress, argData)  (*((uint32_t*)(argAddress)) = (argData))
    #else
        #define WRITE32_UNALIGNED(argAddress, argData)  (*((uint32_t*)(argAddress)) = (argData))
    #endif
#endif

#if !defined(index)
    #define    index(__x,__y)    ((((__y) % NROWS) * NCOLUMS) + ((__x) % NCOLUMS))
#endif

typedef    uint32_t tXoodooLane;

#endif