wolf SSL / wolfSSL

wolfSSL SSL/TLS library, support up to TLS1.3

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wolfssl/wolfcrypt/blake2-impl.h@13:f67a6c6013ca, 2017-08-22 (annotated)

Committer:
wolfSSL
Date:
Tue Aug 22 10:48:22 2017 +0000
Revision:
13:f67a6c6013ca
Parent:
4:1b0d80432c79 
wolfSSL3.12.0 with TLS1.3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wolfSSL 4:1b0d80432c79 1 /*
wolfSSL 4:1b0d80432c79 2 BLAKE2 reference source code package - reference C implementations
wolfSSL 4:1b0d80432c79 3
wolfSSL 4:1b0d80432c79 4 Written in 2012 by Samuel Neves <sneves@dei.uc.pt>
wolfSSL 4:1b0d80432c79 5
wolfSSL 4:1b0d80432c79 6 To the extent possible under law, the author(s) have dedicated all copyright
wolfSSL 4:1b0d80432c79 7 and related and neighboring rights to this software to the public domain
wolfSSL 4:1b0d80432c79 8 worldwide. This software is distributed without any warranty.
wolfSSL 4:1b0d80432c79 9
wolfSSL 4:1b0d80432c79 10 You should have received a copy of the CC0 Public Domain Dedication along with
wolfSSL 4:1b0d80432c79 11 this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
wolfSSL 4:1b0d80432c79 12 */
wolfSSL 4:1b0d80432c79 13 /* blake2-impl.h
wolfSSL 4:1b0d80432c79 14 *
wolfSSL 4:1b0d80432c79 15 * Copyright (C) 2006-2016 wolfSSL Inc.
wolfSSL 4:1b0d80432c79 16 *
wolfSSL 4:1b0d80432c79 17 * This file is part of wolfSSL.
wolfSSL 4:1b0d80432c79 18 *
wolfSSL 4:1b0d80432c79 19 * wolfSSL is free software; you can redistribute it and/or modify
wolfSSL 4:1b0d80432c79 20 * it under the terms of the GNU General Public License as published by
wolfSSL 4:1b0d80432c79 21 * the Free Software Foundation; either version 2 of the License, or
wolfSSL 4:1b0d80432c79 22 * (at your option) any later version.
wolfSSL 4:1b0d80432c79 23 *
wolfSSL 4:1b0d80432c79 24 * wolfSSL is distributed in the hope that it will be useful,
wolfSSL 4:1b0d80432c79 25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wolfSSL 4:1b0d80432c79 26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wolfSSL 4:1b0d80432c79 27 * GNU General Public License for more details.
wolfSSL 4:1b0d80432c79 28 *
wolfSSL 4:1b0d80432c79 29 * You should have received a copy of the GNU General Public License
wolfSSL 4:1b0d80432c79 30 * along with this program; if not, write to the Free Software
wolfSSL 4:1b0d80432c79 31 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
wolfSSL 4:1b0d80432c79 32 */
wolfSSL 4:1b0d80432c79 33
wolfSSL 4:1b0d80432c79 34
wolfSSL 4:1b0d80432c79 35
wolfSSL 4:1b0d80432c79 36 #ifndef WOLFCRYPT_BLAKE2_IMPL_H
wolfSSL 4:1b0d80432c79 37 #define WOLFCRYPT_BLAKE2_IMPL_H
wolfSSL 4:1b0d80432c79 38
wolfSSL 4:1b0d80432c79 39 #include <wolfssl/wolfcrypt/types.h>
wolfSSL 4:1b0d80432c79 40
wolfSSL 4:1b0d80432c79 41 static INLINE word32 load32( const void *src )
wolfSSL 4:1b0d80432c79 42 {
wolfSSL 4:1b0d80432c79 43 #if defined(LITTLE_ENDIAN_ORDER)
wolfSSL 4:1b0d80432c79 44 return *( word32 * )( src );
wolfSSL 4:1b0d80432c79 45 #else
wolfSSL 4:1b0d80432c79 46 const byte *p = ( byte * )src;
wolfSSL 4:1b0d80432c79 47 word32 w = *p++;
wolfSSL 4:1b0d80432c79 48 w |= ( word32 )( *p++ ) << 8;
wolfSSL 4:1b0d80432c79 49 w |= ( word32 )( *p++ ) << 16;
wolfSSL 4:1b0d80432c79 50 w |= ( word32 )( *p++ ) << 24;
wolfSSL 4:1b0d80432c79 51 return w;
wolfSSL 4:1b0d80432c79 52 #endif
wolfSSL 4:1b0d80432c79 53 }
wolfSSL 4:1b0d80432c79 54
wolfSSL 4:1b0d80432c79 55 static INLINE word64 load64( const void *src )
wolfSSL 4:1b0d80432c79 56 {
wolfSSL 4:1b0d80432c79 57 #if defined(LITTLE_ENDIAN_ORDER)
wolfSSL 4:1b0d80432c79 58 return *( word64 * )( src );
wolfSSL 4:1b0d80432c79 59 #else
wolfSSL 4:1b0d80432c79 60 const byte *p = ( byte * )src;
wolfSSL 4:1b0d80432c79 61 word64 w = *p++;
wolfSSL 4:1b0d80432c79 62 w |= ( word64 )( *p++ ) << 8;
wolfSSL 4:1b0d80432c79 63 w |= ( word64 )( *p++ ) << 16;
wolfSSL 4:1b0d80432c79 64 w |= ( word64 )( *p++ ) << 24;
wolfSSL 4:1b0d80432c79 65 w |= ( word64 )( *p++ ) << 32;
wolfSSL 4:1b0d80432c79 66 w |= ( word64 )( *p++ ) << 40;
wolfSSL 4:1b0d80432c79 67 w |= ( word64 )( *p++ ) << 48;
wolfSSL 4:1b0d80432c79 68 w |= ( word64 )( *p++ ) << 56;
wolfSSL 4:1b0d80432c79 69 return w;
wolfSSL 4:1b0d80432c79 70 #endif
wolfSSL 4:1b0d80432c79 71 }
wolfSSL 4:1b0d80432c79 72
wolfSSL 4:1b0d80432c79 73 static INLINE void store32( void *dst, word32 w )
wolfSSL 4:1b0d80432c79 74 {
wolfSSL 4:1b0d80432c79 75 #if defined(LITTLE_ENDIAN_ORDER)
wolfSSL 4:1b0d80432c79 76 *( word32 * )( dst ) = w;
wolfSSL 4:1b0d80432c79 77 #else
wolfSSL 4:1b0d80432c79 78 byte *p = ( byte * )dst;
wolfSSL 4:1b0d80432c79 79 *p++ = ( byte )w; w >>= 8;
wolfSSL 4:1b0d80432c79 80 *p++ = ( byte )w; w >>= 8;
wolfSSL 4:1b0d80432c79 81 *p++ = ( byte )w; w >>= 8;
wolfSSL 4:1b0d80432c79 82 *p++ = ( byte )w;
wolfSSL 4:1b0d80432c79 83 #endif
wolfSSL 4:1b0d80432c79 84 }
wolfSSL 4:1b0d80432c79 85
wolfSSL 4:1b0d80432c79 86 static INLINE void store64( void *dst, word64 w )
wolfSSL 4:1b0d80432c79 87 {
wolfSSL 4:1b0d80432c79 88 #if defined(LITTLE_ENDIAN_ORDER)
wolfSSL 4:1b0d80432c79 89 *( word64 * )( dst ) = w;
wolfSSL 4:1b0d80432c79 90 #else
wolfSSL 4:1b0d80432c79 91 byte *p = ( byte * )dst;
wolfSSL 4:1b0d80432c79 92 *p++ = ( byte )w; w >>= 8;
wolfSSL 4:1b0d80432c79 93 *p++ = ( byte )w; w >>= 8;
wolfSSL 4:1b0d80432c79 94 *p++ = ( byte )w; w >>= 8;
wolfSSL 4:1b0d80432c79 95 *p++ = ( byte )w; w >>= 8;
wolfSSL 4:1b0d80432c79 96 *p++ = ( byte )w; w >>= 8;
wolfSSL 4:1b0d80432c79 97 *p++ = ( byte )w; w >>= 8;
wolfSSL 4:1b0d80432c79 98 *p++ = ( byte )w; w >>= 8;
wolfSSL 4:1b0d80432c79 99 *p++ = ( byte )w;
wolfSSL 4:1b0d80432c79 100 #endif
wolfSSL 4:1b0d80432c79 101 }
wolfSSL 4:1b0d80432c79 102
wolfSSL 4:1b0d80432c79 103 static INLINE word64 load48( const void *src )
wolfSSL 4:1b0d80432c79 104 {
wolfSSL 4:1b0d80432c79 105 const byte *p = ( const byte * )src;
wolfSSL 4:1b0d80432c79 106 word64 w = *p++;
wolfSSL 4:1b0d80432c79 107 w |= ( word64 )( *p++ ) << 8;
wolfSSL 4:1b0d80432c79 108 w |= ( word64 )( *p++ ) << 16;
wolfSSL 4:1b0d80432c79 109 w |= ( word64 )( *p++ ) << 24;
wolfSSL 4:1b0d80432c79 110 w |= ( word64 )( *p++ ) << 32;
wolfSSL 4:1b0d80432c79 111 w |= ( word64 )( *p++ ) << 40;
wolfSSL 4:1b0d80432c79 112 return w;
wolfSSL 4:1b0d80432c79 113 }
wolfSSL 4:1b0d80432c79 114
wolfSSL 4:1b0d80432c79 115 static INLINE void store48( void *dst, word64 w )
wolfSSL 4:1b0d80432c79 116 {
wolfSSL 4:1b0d80432c79 117 byte *p = ( byte * )dst;
wolfSSL 4:1b0d80432c79 118 *p++ = ( byte )w; w >>= 8;
wolfSSL 4:1b0d80432c79 119 *p++ = ( byte )w; w >>= 8;
wolfSSL 4:1b0d80432c79 120 *p++ = ( byte )w; w >>= 8;
wolfSSL 4:1b0d80432c79 121 *p++ = ( byte )w; w >>= 8;
wolfSSL 4:1b0d80432c79 122 *p++ = ( byte )w; w >>= 8;
wolfSSL 4:1b0d80432c79 123 *p++ = ( byte )w;
wolfSSL 4:1b0d80432c79 124 }
wolfSSL 4:1b0d80432c79 125
wolfSSL 4:1b0d80432c79 126 static INLINE word32 rotl32( const word32 w, const unsigned c )
wolfSSL 4:1b0d80432c79 127 {
wolfSSL 4:1b0d80432c79 128 return ( w << c ) | ( w >> ( 32 - c ) );
wolfSSL 4:1b0d80432c79 129 }
wolfSSL 4:1b0d80432c79 130
wolfSSL 4:1b0d80432c79 131 static INLINE word64 rotl64( const word64 w, const unsigned c )
wolfSSL 4:1b0d80432c79 132 {
wolfSSL 4:1b0d80432c79 133 return ( w << c ) | ( w >> ( 64 - c ) );
wolfSSL 4:1b0d80432c79 134 }
wolfSSL 4:1b0d80432c79 135
wolfSSL 4:1b0d80432c79 136 static INLINE word32 rotr32( const word32 w, const unsigned c )
wolfSSL 4:1b0d80432c79 137 {
wolfSSL 4:1b0d80432c79 138 return ( w >> c ) | ( w << ( 32 - c ) );
wolfSSL 4:1b0d80432c79 139 }
wolfSSL 4:1b0d80432c79 140
wolfSSL 4:1b0d80432c79 141 static INLINE word64 rotr64( const word64 w, const unsigned c )
wolfSSL 4:1b0d80432c79 142 {
wolfSSL 4:1b0d80432c79 143 return ( w >> c ) | ( w << ( 64 - c ) );
wolfSSL 4:1b0d80432c79 144 }
wolfSSL 4:1b0d80432c79 145
wolfSSL 4:1b0d80432c79 146 /* prevents compiler optimizing out memset() */
wolfSSL 4:1b0d80432c79 147 static INLINE void secure_zero_memory( void *v, word64 n )
wolfSSL 4:1b0d80432c79 148 {
wolfSSL 4:1b0d80432c79 149 volatile byte *p = ( volatile byte * )v;
wolfSSL 4:1b0d80432c79 150
wolfSSL 4:1b0d80432c79 151 while( n-- ) *p++ = 0;
wolfSSL 4:1b0d80432c79 152 }
wolfSSL 4:1b0d80432c79 153
wolfSSL 4:1b0d80432c79 154 #endif /* WOLFCRYPT_BLAKE2_IMPL_H */
wolfSSL 4:1b0d80432c79 155
wolfSSL 4:1b0d80432c79 156