mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-11-01 17:15:06 +01:00
156 lines
3.9 KiB
C
156 lines
3.9 KiB
C
/*
|
|
BLAKE2 reference source code package - reference C implementations
|
|
|
|
Written in 2012 by Samuel Neves <sneves@dei.uc.pt>
|
|
|
|
To the extent possible under law, the author(s) have dedicated all copyright
|
|
and related and neighboring rights to this software to the public domain
|
|
worldwide. This software is distributed without any warranty.
|
|
|
|
You should have received a copy of the CC0 Public Domain Dedication along with
|
|
this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
|
|
*/
|
|
/* blake2-impl.h
|
|
*
|
|
* Copyright (C) 2006-2019 wolfSSL Inc.
|
|
*
|
|
* This file is part of wolfSSL.
|
|
*
|
|
* wolfSSL is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* wolfSSL is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
|
|
*/
|
|
|
|
|
|
|
|
#ifndef WOLFCRYPT_BLAKE2_IMPL_H
|
|
#define WOLFCRYPT_BLAKE2_IMPL_H
|
|
|
|
#include <libwolfssl/wolfcrypt/types.h>
|
|
|
|
static WC_INLINE word32 load32( const void *src )
|
|
{
|
|
#if defined(LITTLE_ENDIAN_ORDER)
|
|
return *( word32 * )( src );
|
|
#else
|
|
const byte *p = ( byte * )src;
|
|
word32 w = *p++;
|
|
w |= ( word32 )( *p++ ) << 8;
|
|
w |= ( word32 )( *p++ ) << 16;
|
|
w |= ( word32 )( *p++ ) << 24;
|
|
return w;
|
|
#endif
|
|
}
|
|
|
|
static WC_INLINE word64 load64( const void *src )
|
|
{
|
|
#if defined(LITTLE_ENDIAN_ORDER)
|
|
return *( word64 * )( src );
|
|
#else
|
|
const byte *p = ( byte * )src;
|
|
word64 w = *p++;
|
|
w |= ( word64 )( *p++ ) << 8;
|
|
w |= ( word64 )( *p++ ) << 16;
|
|
w |= ( word64 )( *p++ ) << 24;
|
|
w |= ( word64 )( *p++ ) << 32;
|
|
w |= ( word64 )( *p++ ) << 40;
|
|
w |= ( word64 )( *p++ ) << 48;
|
|
w |= ( word64 )( *p++ ) << 56;
|
|
return w;
|
|
#endif
|
|
}
|
|
|
|
static WC_INLINE void store32( void *dst, word32 w )
|
|
{
|
|
#if defined(LITTLE_ENDIAN_ORDER)
|
|
*( word32 * )( dst ) = w;
|
|
#else
|
|
byte *p = ( byte * )dst;
|
|
*p++ = ( byte )w; w >>= 8;
|
|
*p++ = ( byte )w; w >>= 8;
|
|
*p++ = ( byte )w; w >>= 8;
|
|
*p++ = ( byte )w;
|
|
#endif
|
|
}
|
|
|
|
static WC_INLINE void store64( void *dst, word64 w )
|
|
{
|
|
#if defined(LITTLE_ENDIAN_ORDER)
|
|
*( word64 * )( dst ) = w;
|
|
#else
|
|
byte *p = ( byte * )dst;
|
|
*p++ = ( byte )w; w >>= 8;
|
|
*p++ = ( byte )w; w >>= 8;
|
|
*p++ = ( byte )w; w >>= 8;
|
|
*p++ = ( byte )w; w >>= 8;
|
|
*p++ = ( byte )w; w >>= 8;
|
|
*p++ = ( byte )w; w >>= 8;
|
|
*p++ = ( byte )w; w >>= 8;
|
|
*p++ = ( byte )w;
|
|
#endif
|
|
}
|
|
|
|
static WC_INLINE word64 load48( const void *src )
|
|
{
|
|
const byte *p = ( const byte * )src;
|
|
word64 w = *p++;
|
|
w |= ( word64 )( *p++ ) << 8;
|
|
w |= ( word64 )( *p++ ) << 16;
|
|
w |= ( word64 )( *p++ ) << 24;
|
|
w |= ( word64 )( *p++ ) << 32;
|
|
w |= ( word64 )( *p++ ) << 40;
|
|
return w;
|
|
}
|
|
|
|
static WC_INLINE void store48( void *dst, word64 w )
|
|
{
|
|
byte *p = ( byte * )dst;
|
|
*p++ = ( byte )w; w >>= 8;
|
|
*p++ = ( byte )w; w >>= 8;
|
|
*p++ = ( byte )w; w >>= 8;
|
|
*p++ = ( byte )w; w >>= 8;
|
|
*p++ = ( byte )w; w >>= 8;
|
|
*p++ = ( byte )w;
|
|
}
|
|
|
|
static WC_INLINE word32 rotl32( const word32 w, const unsigned c )
|
|
{
|
|
return ( w << c ) | ( w >> ( 32 - c ) );
|
|
}
|
|
|
|
static WC_INLINE word64 rotl64( const word64 w, const unsigned c )
|
|
{
|
|
return ( w << c ) | ( w >> ( 64 - c ) );
|
|
}
|
|
|
|
static WC_INLINE word32 rotr32( const word32 w, const unsigned c )
|
|
{
|
|
return ( w >> c ) | ( w << ( 32 - c ) );
|
|
}
|
|
|
|
static WC_INLINE word64 rotr64( const word64 w, const unsigned c )
|
|
{
|
|
return ( w >> c ) | ( w << ( 64 - c ) );
|
|
}
|
|
|
|
/* prevents compiler optimizing out memset() */
|
|
static WC_INLINE void secure_zero_memory( void *v, word64 n )
|
|
{
|
|
volatile byte *p = ( volatile byte * )v;
|
|
|
|
while( n-- ) *p++ = 0;
|
|
}
|
|
|
|
#endif /* WOLFCRYPT_BLAKE2_IMPL_H */
|
|
|