d 0773d / CyaSSL

Fork of CyaSSL for my specific settings

Dependents:   CyaSSL_Example

Fork of CyaSSL by wolf SSL

cyassl/ctaocrypt/blake2-impl.h@4:28ac50e1d49c, 2015-03-03 (annotated)

Committer:
d0773d
Date:
Tue Mar 03 22:52:52 2015 +0000
Revision:
4:28ac50e1d49c
Parent:
0:1239e9b70ca2 
CyaSSL example

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wolfSSL 0:1239e9b70ca2 1 /*
wolfSSL 0:1239e9b70ca2 2 BLAKE2 reference source code package - reference C implementations
wolfSSL 0:1239e9b70ca2 3
wolfSSL 0:1239e9b70ca2 4 Written in 2012 by Samuel Neves <sneves@dei.uc.pt>
wolfSSL 0:1239e9b70ca2 5
wolfSSL 0:1239e9b70ca2 6 To the extent possible under law, the author(s) have dedicated all copyright
wolfSSL 0:1239e9b70ca2 7 and related and neighboring rights to this software to the public domain
wolfSSL 0:1239e9b70ca2 8 worldwide. This software is distributed without any warranty.
wolfSSL 0:1239e9b70ca2 9
wolfSSL 0:1239e9b70ca2 10 You should have received a copy of the CC0 Public Domain Dedication along with
wolfSSL 0:1239e9b70ca2 11 this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
wolfSSL 0:1239e9b70ca2 12 */
wolfSSL 0:1239e9b70ca2 13 /* blake2-impl.h
wolfSSL 0:1239e9b70ca2 14 *
wolfSSL 0:1239e9b70ca2 15 * Copyright (C) 2006-2014 wolfSSL Inc.
wolfSSL 0:1239e9b70ca2 16 *
wolfSSL 0:1239e9b70ca2 17 * This file is part of CyaSSL.
wolfSSL 0:1239e9b70ca2 18 *
wolfSSL 0:1239e9b70ca2 19 * CyaSSL is free software; you can redistribute it and/or modify
wolfSSL 0:1239e9b70ca2 20 * it under the terms of the GNU General Public License as published by
wolfSSL 0:1239e9b70ca2 21 * the Free Software Foundation; either version 2 of the License, or
wolfSSL 0:1239e9b70ca2 22 * (at your option) any later version.
wolfSSL 0:1239e9b70ca2 23 *
wolfSSL 0:1239e9b70ca2 24 * CyaSSL is distributed in the hope that it will be useful,
wolfSSL 0:1239e9b70ca2 25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wolfSSL 0:1239e9b70ca2 26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wolfSSL 0:1239e9b70ca2 27 * GNU General Public License for more details.
wolfSSL 0:1239e9b70ca2 28 *
wolfSSL 0:1239e9b70ca2 29 * You should have received a copy of the GNU General Public License
wolfSSL 0:1239e9b70ca2 30 * along with this program; if not, write to the Free Software
wolfSSL 0:1239e9b70ca2 31 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
wolfSSL 0:1239e9b70ca2 32 */
wolfSSL 0:1239e9b70ca2 33
wolfSSL 0:1239e9b70ca2 34
wolfSSL 0:1239e9b70ca2 35 #ifndef CTAOCRYPT_BLAKE2_IMPL_H
wolfSSL 0:1239e9b70ca2 36 #define CTAOCRYPT_BLAKE2_IMPL_H
wolfSSL 0:1239e9b70ca2 37
wolfSSL 0:1239e9b70ca2 38 #include <cyassl/ctaocrypt/types.h>
wolfSSL 0:1239e9b70ca2 39
wolfSSL 0:1239e9b70ca2 40 static inline word32 load32( const void *src )
wolfSSL 0:1239e9b70ca2 41 {
wolfSSL 0:1239e9b70ca2 42 #if defined(LITTLE_ENDIAN_ORDER)
wolfSSL 0:1239e9b70ca2 43 return *( word32 * )( src );
wolfSSL 0:1239e9b70ca2 44 #else
wolfSSL 0:1239e9b70ca2 45 const byte *p = ( byte * )src;
wolfSSL 0:1239e9b70ca2 46 word32 w = *p++;
wolfSSL 0:1239e9b70ca2 47 w |= ( word32 )( *p++ ) << 8;
wolfSSL 0:1239e9b70ca2 48 w |= ( word32 )( *p++ ) << 16;
wolfSSL 0:1239e9b70ca2 49 w |= ( word32 )( *p++ ) << 24;
wolfSSL 0:1239e9b70ca2 50 return w;
wolfSSL 0:1239e9b70ca2 51 #endif
wolfSSL 0:1239e9b70ca2 52 }
wolfSSL 0:1239e9b70ca2 53
wolfSSL 0:1239e9b70ca2 54 static inline word64 load64( const void *src )
wolfSSL 0:1239e9b70ca2 55 {
wolfSSL 0:1239e9b70ca2 56 #if defined(LITTLE_ENDIAN_ORDER)
wolfSSL 0:1239e9b70ca2 57 return *( word64 * )( src );
wolfSSL 0:1239e9b70ca2 58 #else
wolfSSL 0:1239e9b70ca2 59 const byte *p = ( byte * )src;
wolfSSL 0:1239e9b70ca2 60 word64 w = *p++;
wolfSSL 0:1239e9b70ca2 61 w |= ( word64 )( *p++ ) << 8;
wolfSSL 0:1239e9b70ca2 62 w |= ( word64 )( *p++ ) << 16;
wolfSSL 0:1239e9b70ca2 63 w |= ( word64 )( *p++ ) << 24;
wolfSSL 0:1239e9b70ca2 64 w |= ( word64 )( *p++ ) << 32;
wolfSSL 0:1239e9b70ca2 65 w |= ( word64 )( *p++ ) << 40;
wolfSSL 0:1239e9b70ca2 66 w |= ( word64 )( *p++ ) << 48;
wolfSSL 0:1239e9b70ca2 67 w |= ( word64 )( *p++ ) << 56;
wolfSSL 0:1239e9b70ca2 68 return w;
wolfSSL 0:1239e9b70ca2 69 #endif
wolfSSL 0:1239e9b70ca2 70 }
wolfSSL 0:1239e9b70ca2 71
wolfSSL 0:1239e9b70ca2 72 static inline void store32( void *dst, word32 w )
wolfSSL 0:1239e9b70ca2 73 {
wolfSSL 0:1239e9b70ca2 74 #if defined(LITTLE_ENDIAN_ORDER)
wolfSSL 0:1239e9b70ca2 75 *( word32 * )( dst ) = w;
wolfSSL 0:1239e9b70ca2 76 #else
wolfSSL 0:1239e9b70ca2 77 byte *p = ( byte * )dst;
wolfSSL 0:1239e9b70ca2 78 *p++ = ( byte )w; w >>= 8;
wolfSSL 0:1239e9b70ca2 79 *p++ = ( byte )w; w >>= 8;
wolfSSL 0:1239e9b70ca2 80 *p++ = ( byte )w; w >>= 8;
wolfSSL 0:1239e9b70ca2 81 *p++ = ( byte )w;
wolfSSL 0:1239e9b70ca2 82 #endif
wolfSSL 0:1239e9b70ca2 83 }
wolfSSL 0:1239e9b70ca2 84
wolfSSL 0:1239e9b70ca2 85 static inline void store64( void *dst, word64 w )
wolfSSL 0:1239e9b70ca2 86 {
wolfSSL 0:1239e9b70ca2 87 #if defined(LITTLE_ENDIAN_ORDER)
wolfSSL 0:1239e9b70ca2 88 *( word64 * )( dst ) = w;
wolfSSL 0:1239e9b70ca2 89 #else
wolfSSL 0:1239e9b70ca2 90 byte *p = ( byte * )dst;
wolfSSL 0:1239e9b70ca2 91 *p++ = ( byte )w; w >>= 8;
wolfSSL 0:1239e9b70ca2 92 *p++ = ( byte )w; w >>= 8;
wolfSSL 0:1239e9b70ca2 93 *p++ = ( byte )w; w >>= 8;
wolfSSL 0:1239e9b70ca2 94 *p++ = ( byte )w; w >>= 8;
wolfSSL 0:1239e9b70ca2 95 *p++ = ( byte )w; w >>= 8;
wolfSSL 0:1239e9b70ca2 96 *p++ = ( byte )w; w >>= 8;
wolfSSL 0:1239e9b70ca2 97 *p++ = ( byte )w; w >>= 8;
wolfSSL 0:1239e9b70ca2 98 *p++ = ( byte )w;
wolfSSL 0:1239e9b70ca2 99 #endif
wolfSSL 0:1239e9b70ca2 100 }
wolfSSL 0:1239e9b70ca2 101
wolfSSL 0:1239e9b70ca2 102 static inline word64 load48( const void *src )
wolfSSL 0:1239e9b70ca2 103 {
wolfSSL 0:1239e9b70ca2 104 const byte *p = ( const byte * )src;
wolfSSL 0:1239e9b70ca2 105 word64 w = *p++;
wolfSSL 0:1239e9b70ca2 106 w |= ( word64 )( *p++ ) << 8;
wolfSSL 0:1239e9b70ca2 107 w |= ( word64 )( *p++ ) << 16;
wolfSSL 0:1239e9b70ca2 108 w |= ( word64 )( *p++ ) << 24;
wolfSSL 0:1239e9b70ca2 109 w |= ( word64 )( *p++ ) << 32;
wolfSSL 0:1239e9b70ca2 110 w |= ( word64 )( *p++ ) << 40;
wolfSSL 0:1239e9b70ca2 111 return w;
wolfSSL 0:1239e9b70ca2 112 }
wolfSSL 0:1239e9b70ca2 113
wolfSSL 0:1239e9b70ca2 114 static inline void store48( void *dst, word64 w )
wolfSSL 0:1239e9b70ca2 115 {
wolfSSL 0:1239e9b70ca2 116 byte *p = ( byte * )dst;
wolfSSL 0:1239e9b70ca2 117 *p++ = ( byte )w; w >>= 8;
wolfSSL 0:1239e9b70ca2 118 *p++ = ( byte )w; w >>= 8;
wolfSSL 0:1239e9b70ca2 119 *p++ = ( byte )w; w >>= 8;
wolfSSL 0:1239e9b70ca2 120 *p++ = ( byte )w; w >>= 8;
wolfSSL 0:1239e9b70ca2 121 *p++ = ( byte )w; w >>= 8;
wolfSSL 0:1239e9b70ca2 122 *p++ = ( byte )w;
wolfSSL 0:1239e9b70ca2 123 }
wolfSSL 0:1239e9b70ca2 124
wolfSSL 0:1239e9b70ca2 125 static inline word32 rotl32( const word32 w, const unsigned c )
wolfSSL 0:1239e9b70ca2 126 {
wolfSSL 0:1239e9b70ca2 127 return ( w << c ) | ( w >> ( 32 - c ) );
wolfSSL 0:1239e9b70ca2 128 }
wolfSSL 0:1239e9b70ca2 129
wolfSSL 0:1239e9b70ca2 130 static inline word64 rotl64( const word64 w, const unsigned c )
wolfSSL 0:1239e9b70ca2 131 {
wolfSSL 0:1239e9b70ca2 132 return ( w << c ) | ( w >> ( 64 - c ) );
wolfSSL 0:1239e9b70ca2 133 }
wolfSSL 0:1239e9b70ca2 134
wolfSSL 0:1239e9b70ca2 135 static inline word32 rotr32( const word32 w, const unsigned c )
wolfSSL 0:1239e9b70ca2 136 {
wolfSSL 0:1239e9b70ca2 137 return ( w >> c ) | ( w << ( 32 - c ) );
wolfSSL 0:1239e9b70ca2 138 }
wolfSSL 0:1239e9b70ca2 139
wolfSSL 0:1239e9b70ca2 140 static inline word64 rotr64( const word64 w, const unsigned c )
wolfSSL 0:1239e9b70ca2 141 {
wolfSSL 0:1239e9b70ca2 142 return ( w >> c ) | ( w << ( 64 - c ) );
wolfSSL 0:1239e9b70ca2 143 }
wolfSSL 0:1239e9b70ca2 144
wolfSSL 0:1239e9b70ca2 145 /* prevents compiler optimizing out memset() */
wolfSSL 0:1239e9b70ca2 146 static inline void secure_zero_memory( void *v, word64 n )
wolfSSL 0:1239e9b70ca2 147 {
wolfSSL 0:1239e9b70ca2 148 volatile byte *p = ( volatile byte * )v;
wolfSSL 0:1239e9b70ca2 149
wolfSSL 0:1239e9b70ca2 150 while( n-- ) *p++ = 0;
wolfSSL 0:1239e9b70ca2 151 }
wolfSSL 0:1239e9b70ca2 152
wolfSSL 0:1239e9b70ca2 153 #endif /* CTAOCRYPT_BLAKE2_IMPL_H */
wolfSSL 0:1239e9b70ca2 154
wolfSSL 0:1239e9b70ca2 155