MultiTech / CyaSSL

A library for setting up Secure Socket Layer (SSL) connections and verifying remote hosts using certificates. Contains only the source files for mbed platform implementation of the library.

Dependents:   HTTPClient-SSL HTTPClient-SSL HTTPClient-SSL HTTPClient-SSL

cyassl/ctaocrypt/blake2-impl.h@6:cf58d49e1a86, 2015-03-23 (annotated)

Committer:
Mike Fiore
Date:
Mon Mar 23 16:51:07 2015 -0500
Revision:
6:cf58d49e1a86
Parent:
0:b86d15c6ba29 
fix whitespace in sha512.c

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Vanger 0:b86d15c6ba29 1 /*
Vanger 0:b86d15c6ba29 2 BLAKE2 reference source code package - reference C implementations
Vanger 0:b86d15c6ba29 3
Vanger 0:b86d15c6ba29 4 Written in 2012 by Samuel Neves <sneves@dei.uc.pt>
Vanger 0:b86d15c6ba29 5
Vanger 0:b86d15c6ba29 6 To the extent possible under law, the author(s) have dedicated all copyright
Vanger 0:b86d15c6ba29 7 and related and neighboring rights to this software to the public domain
Vanger 0:b86d15c6ba29 8 worldwide. This software is distributed without any warranty.
Vanger 0:b86d15c6ba29 9
Vanger 0:b86d15c6ba29 10 You should have received a copy of the CC0 Public Domain Dedication along with
Vanger 0:b86d15c6ba29 11 this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
Vanger 0:b86d15c6ba29 12 */
Vanger 0:b86d15c6ba29 13 /* blake2-impl.h
Vanger 0:b86d15c6ba29 14 *
Vanger 0:b86d15c6ba29 15 * Copyright (C) 2006-2014 wolfSSL Inc.
Vanger 0:b86d15c6ba29 16 *
Vanger 0:b86d15c6ba29 17 * This file is part of CyaSSL.
Vanger 0:b86d15c6ba29 18 *
Vanger 0:b86d15c6ba29 19 * CyaSSL is free software; you can redistribute it and/or modify
Vanger 0:b86d15c6ba29 20 * it under the terms of the GNU General Public License as published by
Vanger 0:b86d15c6ba29 21 * the Free Software Foundation; either version 2 of the License, or
Vanger 0:b86d15c6ba29 22 * (at your option) any later version.
Vanger 0:b86d15c6ba29 23 *
Vanger 0:b86d15c6ba29 24 * CyaSSL is distributed in the hope that it will be useful,
Vanger 0:b86d15c6ba29 25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Vanger 0:b86d15c6ba29 26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Vanger 0:b86d15c6ba29 27 * GNU General Public License for more details.
Vanger 0:b86d15c6ba29 28 *
Vanger 0:b86d15c6ba29 29 * You should have received a copy of the GNU General Public License
Vanger 0:b86d15c6ba29 30 * along with this program; if not, write to the Free Software
Vanger 0:b86d15c6ba29 31 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
Vanger 0:b86d15c6ba29 32 */
Vanger 0:b86d15c6ba29 33
Vanger 0:b86d15c6ba29 34
Vanger 0:b86d15c6ba29 35 #ifndef CTAOCRYPT_BLAKE2_IMPL_H
Vanger 0:b86d15c6ba29 36 #define CTAOCRYPT_BLAKE2_IMPL_H
Vanger 0:b86d15c6ba29 37
Vanger 0:b86d15c6ba29 38 #include <cyassl/ctaocrypt/types.h>
Vanger 0:b86d15c6ba29 39
Vanger 0:b86d15c6ba29 40 static inline word32 load32( const void *src )
Vanger 0:b86d15c6ba29 41 {
Vanger 0:b86d15c6ba29 42 #if defined(LITTLE_ENDIAN_ORDER)
Vanger 0:b86d15c6ba29 43 return *( word32 * )( src );
Vanger 0:b86d15c6ba29 44 #else
Vanger 0:b86d15c6ba29 45 const byte *p = ( byte * )src;
Vanger 0:b86d15c6ba29 46 word32 w = *p++;
Vanger 0:b86d15c6ba29 47 w |= ( word32 )( *p++ ) << 8;
Vanger 0:b86d15c6ba29 48 w |= ( word32 )( *p++ ) << 16;
Vanger 0:b86d15c6ba29 49 w |= ( word32 )( *p++ ) << 24;
Vanger 0:b86d15c6ba29 50 return w;
Vanger 0:b86d15c6ba29 51 #endif
Vanger 0:b86d15c6ba29 52 }
Vanger 0:b86d15c6ba29 53
Vanger 0:b86d15c6ba29 54 static inline word64 load64( const void *src )
Vanger 0:b86d15c6ba29 55 {
Vanger 0:b86d15c6ba29 56 #if defined(LITTLE_ENDIAN_ORDER)
Vanger 0:b86d15c6ba29 57 return *( word64 * )( src );
Vanger 0:b86d15c6ba29 58 #else
Vanger 0:b86d15c6ba29 59 const byte *p = ( byte * )src;
Vanger 0:b86d15c6ba29 60 word64 w = *p++;
Vanger 0:b86d15c6ba29 61 w |= ( word64 )( *p++ ) << 8;
Vanger 0:b86d15c6ba29 62 w |= ( word64 )( *p++ ) << 16;
Vanger 0:b86d15c6ba29 63 w |= ( word64 )( *p++ ) << 24;
Vanger 0:b86d15c6ba29 64 w |= ( word64 )( *p++ ) << 32;
Vanger 0:b86d15c6ba29 65 w |= ( word64 )( *p++ ) << 40;
Vanger 0:b86d15c6ba29 66 w |= ( word64 )( *p++ ) << 48;
Vanger 0:b86d15c6ba29 67 w |= ( word64 )( *p++ ) << 56;
Vanger 0:b86d15c6ba29 68 return w;
Vanger 0:b86d15c6ba29 69 #endif
Vanger 0:b86d15c6ba29 70 }
Vanger 0:b86d15c6ba29 71
Vanger 0:b86d15c6ba29 72 static inline void store32( void *dst, word32 w )
Vanger 0:b86d15c6ba29 73 {
Vanger 0:b86d15c6ba29 74 #if defined(LITTLE_ENDIAN_ORDER)
Vanger 0:b86d15c6ba29 75 *( word32 * )( dst ) = w;
Vanger 0:b86d15c6ba29 76 #else
Vanger 0:b86d15c6ba29 77 byte *p = ( byte * )dst;
Vanger 0:b86d15c6ba29 78 *p++ = ( byte )w; w >>= 8;
Vanger 0:b86d15c6ba29 79 *p++ = ( byte )w; w >>= 8;
Vanger 0:b86d15c6ba29 80 *p++ = ( byte )w; w >>= 8;
Vanger 0:b86d15c6ba29 81 *p++ = ( byte )w;
Vanger 0:b86d15c6ba29 82 #endif
Vanger 0:b86d15c6ba29 83 }
Vanger 0:b86d15c6ba29 84
Vanger 0:b86d15c6ba29 85 static inline void store64( void *dst, word64 w )
Vanger 0:b86d15c6ba29 86 {
Vanger 0:b86d15c6ba29 87 #if defined(LITTLE_ENDIAN_ORDER)
Vanger 0:b86d15c6ba29 88 *( word64 * )( dst ) = w;
Vanger 0:b86d15c6ba29 89 #else
Vanger 0:b86d15c6ba29 90 byte *p = ( byte * )dst;
Vanger 0:b86d15c6ba29 91 *p++ = ( byte )w; w >>= 8;
Vanger 0:b86d15c6ba29 92 *p++ = ( byte )w; w >>= 8;
Vanger 0:b86d15c6ba29 93 *p++ = ( byte )w; w >>= 8;
Vanger 0:b86d15c6ba29 94 *p++ = ( byte )w; w >>= 8;
Vanger 0:b86d15c6ba29 95 *p++ = ( byte )w; w >>= 8;
Vanger 0:b86d15c6ba29 96 *p++ = ( byte )w; w >>= 8;
Vanger 0:b86d15c6ba29 97 *p++ = ( byte )w; w >>= 8;
Vanger 0:b86d15c6ba29 98 *p++ = ( byte )w;
Vanger 0:b86d15c6ba29 99 #endif
Vanger 0:b86d15c6ba29 100 }
Vanger 0:b86d15c6ba29 101
Vanger 0:b86d15c6ba29 102 static inline word64 load48( const void *src )
Vanger 0:b86d15c6ba29 103 {
Vanger 0:b86d15c6ba29 104 const byte *p = ( const byte * )src;
Vanger 0:b86d15c6ba29 105 word64 w = *p++;
Vanger 0:b86d15c6ba29 106 w |= ( word64 )( *p++ ) << 8;
Vanger 0:b86d15c6ba29 107 w |= ( word64 )( *p++ ) << 16;
Vanger 0:b86d15c6ba29 108 w |= ( word64 )( *p++ ) << 24;
Vanger 0:b86d15c6ba29 109 w |= ( word64 )( *p++ ) << 32;
Vanger 0:b86d15c6ba29 110 w |= ( word64 )( *p++ ) << 40;
Vanger 0:b86d15c6ba29 111 return w;
Vanger 0:b86d15c6ba29 112 }
Vanger 0:b86d15c6ba29 113
Vanger 0:b86d15c6ba29 114 static inline void store48( void *dst, word64 w )
Vanger 0:b86d15c6ba29 115 {
Vanger 0:b86d15c6ba29 116 byte *p = ( byte * )dst;
Vanger 0:b86d15c6ba29 117 *p++ = ( byte )w; w >>= 8;
Vanger 0:b86d15c6ba29 118 *p++ = ( byte )w; w >>= 8;
Vanger 0:b86d15c6ba29 119 *p++ = ( byte )w; w >>= 8;
Vanger 0:b86d15c6ba29 120 *p++ = ( byte )w; w >>= 8;
Vanger 0:b86d15c6ba29 121 *p++ = ( byte )w; w >>= 8;
Vanger 0:b86d15c6ba29 122 *p++ = ( byte )w;
Vanger 0:b86d15c6ba29 123 }
Vanger 0:b86d15c6ba29 124
Vanger 0:b86d15c6ba29 125 static inline word32 rotl32( const word32 w, const unsigned c )
Vanger 0:b86d15c6ba29 126 {
Vanger 0:b86d15c6ba29 127 return ( w << c ) | ( w >> ( 32 - c ) );
Vanger 0:b86d15c6ba29 128 }
Vanger 0:b86d15c6ba29 129
Vanger 0:b86d15c6ba29 130 static inline word64 rotl64( const word64 w, const unsigned c )
Vanger 0:b86d15c6ba29 131 {
Vanger 0:b86d15c6ba29 132 return ( w << c ) | ( w >> ( 64 - c ) );
Vanger 0:b86d15c6ba29 133 }
Vanger 0:b86d15c6ba29 134
Vanger 0:b86d15c6ba29 135 static inline word32 rotr32( const word32 w, const unsigned c )
Vanger 0:b86d15c6ba29 136 {
Vanger 0:b86d15c6ba29 137 return ( w >> c ) | ( w << ( 32 - c ) );
Vanger 0:b86d15c6ba29 138 }
Vanger 0:b86d15c6ba29 139
Vanger 0:b86d15c6ba29 140 static inline word64 rotr64( const word64 w, const unsigned c )
Vanger 0:b86d15c6ba29 141 {
Vanger 0:b86d15c6ba29 142 return ( w >> c ) | ( w << ( 64 - c ) );
Vanger 0:b86d15c6ba29 143 }
Vanger 0:b86d15c6ba29 144
Vanger 0:b86d15c6ba29 145 /* prevents compiler optimizing out memset() */
Vanger 0:b86d15c6ba29 146 static inline void secure_zero_memory( void *v, word64 n )
Vanger 0:b86d15c6ba29 147 {
Vanger 0:b86d15c6ba29 148 volatile byte *p = ( volatile byte * )v;
Vanger 0:b86d15c6ba29 149
Vanger 0:b86d15c6ba29 150 while( n-- ) *p++ = 0;
Vanger 0:b86d15c6ba29 151 }
Vanger 0:b86d15c6ba29 152
Vanger 0:b86d15c6ba29 153 #endif /* CTAOCRYPT_BLAKE2_IMPL_H */
Vanger 0:b86d15c6ba29 154