+++ /dev/null
-/*
- BLAKE2 reference source code package - reference C implementations
-
- Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
- terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
- your option. The terms of these licenses can be found at:
-
- - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
- - OpenSSL license : https://www.openssl.org/source/license.html
- - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
-
- More information about the BLAKE2 hash function can be found at
- https://blake2.net.
-*/
-#ifndef BLAKE2_IMPL_H
-#define BLAKE2_IMPL_H
-
-#include <stdint.h>
-#include <string.h>
-
-#if !defined(__cplusplus) && (!defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L)
- #if defined(_MSC_VER)
- #define BLAKE2_INLINE __inline
- #elif defined(__GNUC__)
- #define BLAKE2_INLINE __inline__
- #else
- #define BLAKE2_INLINE
- #endif
-#else
- #define BLAKE2_INLINE inline
-#endif
-
-static BLAKE2_INLINE uint32_t load32( const void *src )
-{
-#if defined(NATIVE_LITTLE_ENDIAN)
- uint32_t w;
- memcpy(&w, src, sizeof w);
- return w;
-#else
- const uint8_t *p = ( const uint8_t * )src;
- return (( uint32_t )( p[0] ) << 0) |
- (( uint32_t )( p[1] ) << 8) |
- (( uint32_t )( p[2] ) << 16) |
- (( uint32_t )( p[3] ) << 24) ;
-#endif
-}
-
-static BLAKE2_INLINE uint64_t load64( const void *src )
-{
-#if defined(NATIVE_LITTLE_ENDIAN)
- uint64_t w;
- memcpy(&w, src, sizeof w);
- return w;
-#else
- const uint8_t *p = ( const uint8_t * )src;
- return (( uint64_t )( p[0] ) << 0) |
- (( uint64_t )( p[1] ) << 8) |
- (( uint64_t )( p[2] ) << 16) |
- (( uint64_t )( p[3] ) << 24) |
- (( uint64_t )( p[4] ) << 32) |
- (( uint64_t )( p[5] ) << 40) |
- (( uint64_t )( p[6] ) << 48) |
- (( uint64_t )( p[7] ) << 56) ;
-#endif
-}
-
-static BLAKE2_INLINE uint16_t load16( const void *src )
-{
-#if defined(NATIVE_LITTLE_ENDIAN)
- uint16_t w;
- memcpy(&w, src, sizeof w);
- return w;
-#else
- const uint8_t *p = ( const uint8_t * )src;
- return ( uint16_t )((( uint32_t )( p[0] ) << 0) |
- (( uint32_t )( p[1] ) << 8));
-#endif
-}
-
-static BLAKE2_INLINE void store16( void *dst, uint16_t w )
-{
-#if defined(NATIVE_LITTLE_ENDIAN)
- memcpy(dst, &w, sizeof w);
-#else
- uint8_t *p = ( uint8_t * )dst;
- *p++ = ( uint8_t )w; w >>= 8;
- *p++ = ( uint8_t )w;
-#endif
-}
-
-static BLAKE2_INLINE void store32( void *dst, uint32_t w )
-{
-#if defined(NATIVE_LITTLE_ENDIAN)
- memcpy(dst, &w, sizeof w);
-#else
- uint8_t *p = ( uint8_t * )dst;
- p[0] = (uint8_t)(w >> 0);
- p[1] = (uint8_t)(w >> 8);
- p[2] = (uint8_t)(w >> 16);
- p[3] = (uint8_t)(w >> 24);
-#endif
-}
-
-static BLAKE2_INLINE void store64( void *dst, uint64_t w )
-{
-#if defined(NATIVE_LITTLE_ENDIAN)
- memcpy(dst, &w, sizeof w);
-#else
- uint8_t *p = ( uint8_t * )dst;
- p[0] = (uint8_t)(w >> 0);
- p[1] = (uint8_t)(w >> 8);
- p[2] = (uint8_t)(w >> 16);
- p[3] = (uint8_t)(w >> 24);
- p[4] = (uint8_t)(w >> 32);
- p[5] = (uint8_t)(w >> 40);
- p[6] = (uint8_t)(w >> 48);
- p[7] = (uint8_t)(w >> 56);
-#endif
-}
-
-static BLAKE2_INLINE uint64_t load48( const void *src )
-{
- const uint8_t *p = ( const uint8_t * )src;
- return (( uint64_t )( p[0] ) << 0) |
- (( uint64_t )( p[1] ) << 8) |
- (( uint64_t )( p[2] ) << 16) |
- (( uint64_t )( p[3] ) << 24) |
- (( uint64_t )( p[4] ) << 32) |
- (( uint64_t )( p[5] ) << 40) ;
-}
-
-static BLAKE2_INLINE void store48( void *dst, uint64_t w )
-{
- uint8_t *p = ( uint8_t * )dst;
- p[0] = (uint8_t)(w >> 0);
- p[1] = (uint8_t)(w >> 8);
- p[2] = (uint8_t)(w >> 16);
- p[3] = (uint8_t)(w >> 24);
- p[4] = (uint8_t)(w >> 32);
- p[5] = (uint8_t)(w >> 40);
-}
-
-static BLAKE2_INLINE uint32_t rotr32( const uint32_t w, const unsigned c )
-{
- return ( w >> c ) | ( w << ( 32 - c ) );
-}
-
-static BLAKE2_INLINE uint64_t rotr64( const uint64_t w, const unsigned c )
-{
- return ( w >> c ) | ( w << ( 64 - c ) );
-}
-
-/* prevents compiler optimizing out memset() */
-static BLAKE2_INLINE void secure_zero_memory(void *v, size_t n)
-{
- static void *(*const volatile memset_v)(void *, int, size_t) = &memset;
- memset_v(v, 0, n);
-}
-
-#endif