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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 static BLAKE2_INLINE uint32_t load32( const void *src )
33 {
34 #if defined(NATIVE_LITTLE_ENDIAN)
35  uint32_t w;
36  memcpy(&w, src, sizeof w);
37  return w;
38 #else
39  const uint8_t *p = ( const uint8_t * )src;
40  return (( uint32_t )( p[0] ) << 0) |
41  (( uint32_t )( p[1] ) << 8) |
42  (( uint32_t )( p[2] ) << 16) |
43  (( uint32_t )( p[3] ) << 24) ;
44 #endif
45 }
46 
47 static BLAKE2_INLINE uint64_t load64( const void *src )
48 {
49 #if defined(NATIVE_LITTLE_ENDIAN)
50  uint64_t w;
51  memcpy(&w, src, sizeof w);
52  return w;
53 #else
54  const uint8_t *p = ( const uint8_t * )src;
55  return (( uint64_t )( p[0] ) << 0) |
56  (( uint64_t )( p[1] ) << 8) |
57  (( uint64_t )( p[2] ) << 16) |
58  (( uint64_t )( p[3] ) << 24) |
59  (( uint64_t )( p[4] ) << 32) |
60  (( uint64_t )( p[5] ) << 40) |
61  (( uint64_t )( p[6] ) << 48) |
62  (( uint64_t )( p[7] ) << 56) ;
63 #endif
64 }
65 
66 static BLAKE2_INLINE uint16_t load16( const void *src )
67 {
68 #if defined(NATIVE_LITTLE_ENDIAN)
69  uint16_t w;
70  memcpy(&w, src, sizeof w);
71  return w;
72 #else
73  const uint8_t *p = ( const uint8_t * )src;
74  return ( uint16_t )((( uint32_t )( p[0] ) << 0) |
75  (( uint32_t )( p[1] ) << 8));
76 #endif
77 }
78 
79 static BLAKE2_INLINE void store16( void *dst, uint16_t w )
80 {
81 #if defined(NATIVE_LITTLE_ENDIAN)
82  memcpy(dst, &w, sizeof w);
83 #else
84  uint8_t *p = ( uint8_t * )dst;
85  *p++ = ( uint8_t )w; w >>= 8;
86  *p++ = ( uint8_t )w;
87 #endif
88 }
89 
90 static BLAKE2_INLINE void store32( void *dst, uint32_t w )
91 {
92 #if defined(NATIVE_LITTLE_ENDIAN)
93  memcpy(dst, &w, sizeof w);
94 #else
95  uint8_t *p = ( uint8_t * )dst;
96  p[0] = (uint8_t)(w >> 0);
97  p[1] = (uint8_t)(w >> 8);
98  p[2] = (uint8_t)(w >> 16);
99  p[3] = (uint8_t)(w >> 24);
100 #endif
101 }
102 
103 static BLAKE2_INLINE void store64( void *dst, uint64_t w )
104 {
105 #if defined(NATIVE_LITTLE_ENDIAN)
106  memcpy(dst, &w, sizeof w);
107 #else
108  uint8_t *p = ( uint8_t * )dst;
109  p[0] = (uint8_t)(w >> 0);
110  p[1] = (uint8_t)(w >> 8);
111  p[2] = (uint8_t)(w >> 16);
112  p[3] = (uint8_t)(w >> 24);
113  p[4] = (uint8_t)(w >> 32);
114  p[5] = (uint8_t)(w >> 40);
115  p[6] = (uint8_t)(w >> 48);
116  p[7] = (uint8_t)(w >> 56);
117 #endif
118 }
119 
120 static BLAKE2_INLINE uint64_t load48( const void *src )
121 {
122  const uint8_t *p = ( const uint8_t * )src;
123  return (( uint64_t )( p[0] ) << 0) |
124  (( uint64_t )( p[1] ) << 8) |
125  (( uint64_t )( p[2] ) << 16) |
126  (( uint64_t )( p[3] ) << 24) |
127  (( uint64_t )( p[4] ) << 32) |
128  (( uint64_t )( p[5] ) << 40) ;
129 }
130 
131 static BLAKE2_INLINE void store48( void *dst, uint64_t w )
132 {
133  uint8_t *p = ( uint8_t * )dst;
134  p[0] = (uint8_t)(w >> 0);
135  p[1] = (uint8_t)(w >> 8);
136  p[2] = (uint8_t)(w >> 16);
137  p[3] = (uint8_t)(w >> 24);
138  p[4] = (uint8_t)(w >> 32);
139  p[5] = (uint8_t)(w >> 40);
140 }
141 
142 static BLAKE2_INLINE uint32_t rotr32( const uint32_t w, const unsigned c )
143 {
144  return ( w >> c ) | ( w << ( 32 - c ) );
145 }
146 
147 static BLAKE2_INLINE uint64_t rotr64( const uint64_t w, const unsigned c )
148 {
149  return ( w >> c ) | ( w << ( 64 - c ) );
150 }
151 
152 #if defined(_MSC_VER)
153 #define BLAKE2_PACKED(x) __pragma(pack(push, 1)) x __pragma(pack(pop))
154 #else
155 #define BLAKE2_PACKED(x) x __attribute__((packed))
156 #endif
157 
159 {
165 };
166 
167 typedef struct blake2b_state__
168 {
173  size_t buflen;
174  size_t outlen;
176 } blake2b_state;
177 
178 BLAKE2_PACKED(struct blake2b_param__
179 {
180  uint8_t digest_length; /* 1 */
181  uint8_t key_length; /* 2 */
182  uint8_t fanout; /* 3 */
183  uint8_t depth; /* 4 */
184  uint32_t leaf_length; /* 8 */
185  uint32_t node_offset; /* 12 */
186  uint32_t xof_length; /* 16 */
187  uint8_t node_depth; /* 17 */
188  uint8_t inner_length; /* 18 */
189  uint8_t reserved[14]; /* 32 */
190  uint8_t salt[BLAKE2B_SALTBYTES]; /* 48 */
191  uint8_t personal[BLAKE2B_PERSONALBYTES]; /* 64 */
192 });
193 
194 typedef struct blake2b_param__ blake2b_param;
GLubyte GLubyte GLubyte GLubyte w
Definition: glext.h:6102
static BLAKE2_INLINE uint64_t rotr64(const uint64_t w, const unsigned c)
Definition: blake2-impl.h:147
GLdouble GLdouble t
Definition: gl.h:2047
static BLAKE2_INLINE uint32_t rotr32(const uint32_t w, const unsigned c)
Definition: blake2-impl.h:142
static BLAKE2_INLINE void store48(void *dst, uint64_t w)
Definition: blake2-impl.h:131
unsigned short int uint16_t
Definition: acefiex.h:54
GLfloat GLfloat GLfloat GLfloat h
Definition: glext.h:7723
GLenum GLuint GLenum GLsizei const GLchar * buf
Definition: glext.h:7751
static BLAKE2_INLINE uint16_t load16(const void *src)
Definition: blake2-impl.h:66
static BLAKE2_INLINE void store32(void *dst, uint32_t w)
Definition: blake2-impl.h:90
r reserved
Definition: btrfs.c:2940
#define key_length
Definition: crypt.c:1002
static BLAKE2_INLINE uint32_t load32(const void *src)
Definition: blake2-impl.h:32
#define BLAKE2_PACKED(x)
Definition: blake2-impl.h:155
static BLAKE2_INLINE void store16(void *dst, uint16_t w)
Definition: blake2-impl.h:79
blake2b_constant
Definition: blake2-impl.h:158
GLfloat f
Definition: glext.h:7540
#define BLAKE2_INLINE
Definition: blake2-impl.h:26
const GLubyte * c
Definition: glext.h:8905
GLint GLint GLsizei GLsizei GLsizei depth
Definition: gl.h:1546
static BLAKE2_INLINE void store64(void *dst, uint64_t w)
Definition: blake2-impl.h:103
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
GLenum src
Definition: glext.h:6340
BYTE uint8_t
Definition: msvideo1.c:66
#define uint64_t
Definition: nsiface.idl:62
UINT64 uint64_t
Definition: types.h:77
#define uint8_t
Definition: nsiface.idl:59
GLenum GLenum dst
Definition: glext.h:6340
struct blake2b_state__ blake2b_state
UINT32 uint32_t
Definition: types.h:75
struct blake2b_param__ blake2b_param
Definition: blake2-impl.h:194
#define c
Definition: ke_i.h:80
static BLAKE2_INLINE uint64_t load48(const void *src)
Definition: blake2-impl.h:120
GLfloat GLfloat p
Definition: glext.h:8902
#define uint32_t
Definition: nsiface.idl:61
static BLAKE2_INLINE uint64_t load64(const void *src)
Definition: blake2-impl.h:47
uint8_t last_node
Definition: blake2-impl.h:175