Lightweight Cryptography Primitives
 All Data Structures Files Functions Variables Typedefs Macros Pages
internal-knot.h
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2020 Southern Storm Software, Pty Ltd.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included
12  * in all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20  * DEALINGS IN THE SOFTWARE.
21  */
22 
23 #ifndef LW_INTERNAL_KNOT_H
24 #define LW_INTERNAL_KNOT_H
25 
26 #include "internal-util.h"
27 
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36 
40 typedef union
41 {
42  uint64_t S[4];
43  uint8_t B[32];
46 
50 typedef union
51 {
52  uint64_t S[6];
53  uint32_t W[12];
54  uint8_t B[48];
57 
61 typedef union
62 {
63  uint64_t S[8];
64  uint8_t B[64];
67 
76 void knot256_permute_6(knot256_state_t *state, uint8_t rounds);
77 
86 void knot256_permute_7(knot256_state_t *state, uint8_t rounds);
87 
96 void knot384_permute_7(knot384_state_t *state, uint8_t rounds);
97 
106 void knot512_permute_7(knot512_state_t *state, uint8_t rounds);
107 
116 void knot512_permute_8(knot512_state_t *state, uint8_t rounds);
117 
124 typedef void (*knot_permute_t)(void *state, uint8_t rounds);
125 
126 #ifdef __cplusplus
127 }
128 #endif
129 
130 #endif
void knot512_permute_7(knot512_state_t *state, uint8_t rounds)
Permutes the KNOT-512 state, using 7-bit round constants.
Definition: internal-knot.c:291
Internal state of the KNOT-384 permutation.
Definition: internal-knot.h:50
Internal state of the KNOT-256 permutation.
Definition: internal-knot.h:40
void knot384_permute_7(knot384_state_t *state, uint8_t rounds)
Permutes the KNOT-384 state, using 7-bit round constants.
Definition: internal-knot.c:145
Internal state of the KNOT-512 permutation.
Definition: internal-knot.h:61
void knot256_permute_6(knot256_state_t *state, uint8_t rounds)
Permutes the KNOT-256 state, using 6-bit round constants.
Definition: internal-knot.c:135
void knot256_permute_7(knot256_state_t *state, uint8_t rounds)
Permutes the KNOT-256 state, using 7-bit round constants.
Definition: internal-knot.c:140
void(* knot_permute_t)(void *state, uint8_t rounds)
Generic pointer to a function that performs a KNOT permutation.
Definition: internal-knot.h:124
void knot512_permute_8(knot512_state_t *state, uint8_t rounds)
Permutes the KNOT-512 state, using 8-bit round constants.
Definition: internal-knot.c:296