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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 
34 static 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 
49 static 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 
68 static 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 
81 static 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 
92 static 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 
105 static 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 
122 static 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 
133 static 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 
144 static BLAKE2_INLINE uint32_t rotr32( const uint32_t w, const unsigned c )
145 {
146  return ( w >> c ) | ( w << ( 32 - c ) );
147 }
148 
149 static 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 {
167 };
168 
169 typedef struct blake2b_state__
170 {
175  size_t buflen;
176  size_t outlen;
178 } blake2b_state;
179 
180 BLAKE2_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 
196 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:149
GLdouble GLdouble t
Definition: gl.h:2047
static BLAKE2_INLINE uint32_t rotr32(const uint32_t w, const unsigned c)
Definition: blake2-impl.h:144
static BLAKE2_INLINE void store48(void *dst, uint64_t w)
Definition: blake2-impl.h:133
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:68
static BLAKE2_INLINE void store32(void *dst, uint32_t w)
Definition: blake2-impl.h:92
r reserved
Definition: btrfs.c:2975
#define key_length
Definition: crypt.c:1002
static BLAKE2_INLINE uint32_t load32(const void *src)
Definition: blake2-impl.h:34
#define BLAKE2_PACKED(x)
Definition: blake2-impl.h:157
static BLAKE2_INLINE void store16(void *dst, uint16_t w)
Definition: blake2-impl.h:81
blake2b_constant
Definition: blake2-impl.h:160
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:105
#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:196
#define c
Definition: ke_i.h:80
static BLAKE2_INLINE uint64_t load48(const void *src)
Definition: blake2-impl.h:122
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:49
uint8_t last_node
Definition: blake2-impl.h:177