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blake2-impl.h
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1/*
2 BLAKE2 reference source code package - reference C implementations
3
4 Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
5 terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
6 your option. The terms of these licenses can be found at:
7
8 - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
9 - OpenSSL license : https://www.openssl.org/source/license.html
10 - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
11
12 More information about the BLAKE2 hash function can be found at
13 https://blake2.net.
14*/
15#pragma once
16
17#include <stdint.h>
18#include <string.h>
19
20#if !defined(__cplusplus) && (!defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L)
21 #if defined(_MSC_VER)
22 #define BLAKE2_INLINE __inline
23 #elif defined(__GNUC__)
24 #define BLAKE2_INLINE __inline__
25 #else
26 #define BLAKE2_INLINE
27 #endif
28#else
29 #define BLAKE2_INLINE inline
30#endif
31
32#define NATIVE_LITTLE_ENDIAN
33
34static BLAKE2_INLINE uint32_t load32( const void *src )
35{
36#if defined(NATIVE_LITTLE_ENDIAN)
37 uint32_t w;
38 memcpy(&w, src, sizeof w);
39 return w;
40#else
41 const uint8_t *p = ( const uint8_t * )src;
42 return (( uint32_t )( p[0] ) << 0) |
43 (( uint32_t )( p[1] ) << 8) |
44 (( uint32_t )( p[2] ) << 16) |
45 (( uint32_t )( p[3] ) << 24) ;
46#endif
47}
48
49static BLAKE2_INLINE uint64_t load64( const void *src )
50{
51#if defined(NATIVE_LITTLE_ENDIAN)
52 uint64_t w;
53 memcpy(&w, src, sizeof w);
54 return w;
55#else
56 const uint8_t *p = ( const uint8_t * )src;
57 return (( uint64_t )( p[0] ) << 0) |
58 (( uint64_t )( p[1] ) << 8) |
59 (( uint64_t )( p[2] ) << 16) |
60 (( uint64_t )( p[3] ) << 24) |
61 (( uint64_t )( p[4] ) << 32) |
62 (( uint64_t )( p[5] ) << 40) |
63 (( uint64_t )( p[6] ) << 48) |
64 (( uint64_t )( p[7] ) << 56) ;
65#endif
66}
67
68static BLAKE2_INLINE uint16_t load16( const void *src )
69{
70#if defined(NATIVE_LITTLE_ENDIAN)
71 uint16_t w;
72 memcpy(&w, src, sizeof w);
73 return w;
74#else
75 const uint8_t *p = ( const uint8_t * )src;
76 return ( uint16_t )((( uint32_t )( p[0] ) << 0) |
77 (( uint32_t )( p[1] ) << 8));
78#endif
79}
80
81static BLAKE2_INLINE void store16( void *dst, uint16_t w )
82{
83#if defined(NATIVE_LITTLE_ENDIAN)
84 memcpy(dst, &w, sizeof w);
85#else
86 uint8_t *p = ( uint8_t * )dst;
87 *p++ = ( uint8_t )w; w >>= 8;
88 *p++ = ( uint8_t )w;
89#endif
90}
91
92static BLAKE2_INLINE void store32( void *dst, uint32_t w )
93{
94#if defined(NATIVE_LITTLE_ENDIAN)
95 memcpy(dst, &w, sizeof w);
96#else
97 uint8_t *p = ( uint8_t * )dst;
98 p[0] = (uint8_t)(w >> 0);
99 p[1] = (uint8_t)(w >> 8);
100 p[2] = (uint8_t)(w >> 16);
101 p[3] = (uint8_t)(w >> 24);
102#endif
103}
104
105static BLAKE2_INLINE void store64( void *dst, uint64_t w )
106{
107#if defined(NATIVE_LITTLE_ENDIAN)
108 memcpy(dst, &w, sizeof w);
109#else
110 uint8_t *p = ( uint8_t * )dst;
111 p[0] = (uint8_t)(w >> 0);
112 p[1] = (uint8_t)(w >> 8);
113 p[2] = (uint8_t)(w >> 16);
114 p[3] = (uint8_t)(w >> 24);
115 p[4] = (uint8_t)(w >> 32);
116 p[5] = (uint8_t)(w >> 40);
117 p[6] = (uint8_t)(w >> 48);
118 p[7] = (uint8_t)(w >> 56);
119#endif
120}
121
122static BLAKE2_INLINE uint64_t load48( const void *src )
123{
124 const uint8_t *p = ( const uint8_t * )src;
125 return (( uint64_t )( p[0] ) << 0) |
126 (( uint64_t )( p[1] ) << 8) |
127 (( uint64_t )( p[2] ) << 16) |
128 (( uint64_t )( p[3] ) << 24) |
129 (( uint64_t )( p[4] ) << 32) |
130 (( uint64_t )( p[5] ) << 40) ;
131}
132
133static BLAKE2_INLINE void store48( void *dst, uint64_t w )
134{
135 uint8_t *p = ( uint8_t * )dst;
136 p[0] = (uint8_t)(w >> 0);
137 p[1] = (uint8_t)(w >> 8);
138 p[2] = (uint8_t)(w >> 16);
139 p[3] = (uint8_t)(w >> 24);
140 p[4] = (uint8_t)(w >> 32);
141 p[5] = (uint8_t)(w >> 40);
142}
143
144static BLAKE2_INLINE uint32_t rotr32( const uint32_t w, const unsigned c )
145{
146 return ( w >> c ) | ( w << ( 32 - c ) );
147}
148
149static BLAKE2_INLINE uint64_t rotr64( const uint64_t w, const unsigned c )
150{
151 return ( w >> c ) | ( w << ( 64 - c ) );
152}
153
154#if defined(_MSC_VER)
155#define BLAKE2_PACKED(x) __pragma(pack(push, 1)) x __pragma(pack(pop))
156#else
157#define BLAKE2_PACKED(x) x __attribute__((packed))
158#endif
159
161{
168
169typedef struct blake2b_state__
170{
175 size_t buflen;
176 size_t outlen;
179
180BLAKE2_PACKED(struct blake2b_param__
181{
182 uint8_t digest_length; /* 1 */
183 uint8_t key_length; /* 2 */
184 uint8_t fanout; /* 3 */
185 uint8_t depth; /* 4 */
186 uint32_t leaf_length; /* 8 */
187 uint32_t node_offset; /* 12 */
188 uint32_t xof_length; /* 16 */
189 uint8_t node_depth; /* 17 */
190 uint8_t inner_length; /* 18 */
191 uint8_t reserved[14]; /* 32 */
192 uint8_t salt[BLAKE2B_SALTBYTES]; /* 48 */
193 uint8_t personal[BLAKE2B_PERSONALBYTES]; /* 64 */
194});
195
196typedef struct blake2b_param__ blake2b_param;
unsigned short int uint16_t
Definition: acefiex.h:54
struct blake2b_param__ blake2b_param
Definition: blake2-impl.h:196
static BLAKE2_INLINE void store48(void *dst, uint64_t w)
Definition: blake2-impl.h:133
blake2b_constant
Definition: blake2-impl.h:161
@ BLAKE2B_PERSONALBYTES
Definition: blake2-impl.h:166
@ BLAKE2B_KEYBYTES
Definition: blake2-impl.h:164
@ BLAKE2B_OUTBYTES
Definition: blake2-impl.h:163
@ BLAKE2B_SALTBYTES
Definition: blake2-impl.h:165
@ BLAKE2B_BLOCKBYTES
Definition: blake2-impl.h:162
struct blake2b_state__ blake2b_state
static BLAKE2_INLINE void store64(void *dst, uint64_t w)
Definition: blake2-impl.h:105
static BLAKE2_INLINE uint64_t load64(const void *src)
Definition: blake2-impl.h:49
static BLAKE2_INLINE uint16_t load16(const void *src)
Definition: blake2-impl.h:68
static BLAKE2_INLINE uint64_t load48(const void *src)
Definition: blake2-impl.h:122
#define BLAKE2_INLINE
Definition: blake2-impl.h:26
static BLAKE2_INLINE uint64_t rotr64(const uint64_t w, const unsigned c)
Definition: blake2-impl.h:149
static BLAKE2_INLINE void store16(void *dst, uint16_t w)
Definition: blake2-impl.h:81
#define BLAKE2_PACKED(x)
Definition: blake2-impl.h:157
static BLAKE2_INLINE void store32(void *dst, uint32_t w)
Definition: blake2-impl.h:92
static BLAKE2_INLINE uint32_t load32(const void *src)
Definition: blake2-impl.h:34
static BLAKE2_INLINE uint32_t rotr32(const uint32_t w, const unsigned c)
Definition: blake2-impl.h:144
UINT32 uint32_t
Definition: types.h:75
UINT64 uint64_t
Definition: types.h:77
r reserved
Definition: btrfs.c:3006
GLint GLint GLsizei GLsizei GLsizei depth
Definition: gl.h:1546
GLdouble GLdouble t
Definition: gl.h:2047
GLenum src
Definition: glext.h:6340
const GLubyte * c
Definition: glext.h:8905
GLfloat f
Definition: glext.h:7540
GLenum GLuint GLenum GLsizei const GLchar * buf
Definition: glext.h:7751
GLenum GLenum dst
Definition: glext.h:6340
GLfloat GLfloat p
Definition: glext.h:8902
GLubyte GLubyte GLubyte GLubyte w
Definition: glext.h:6102
GLfloat GLfloat GLfloat GLfloat h
Definition: glext.h:7723
#define c
Definition: ke_i.h:80
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
#define key_length
Definition: crypt.c:1002
BYTE uint8_t
Definition: msvideo1.c:66
#define uint32_t
Definition: nsiface.idl:61
#define uint64_t
Definition: nsiface.idl:62
#define uint8_t
Definition: nsiface.idl:59
uint8_t last_node
Definition: blake2-impl.h:177