blob: 1c7621ae867695ba67fa8690add06567c2eb000b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/**
******************************************************************************
* @file ge25519.h
* @author MCD Application Team
* @brief ge25519 header file
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2015 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under Image license SLA0044,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* http://www.st.com/SLA0044
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __GE25519_H__
#define __GE25519_H__
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "../../Common_ed25519_c25519/internals/fe25519.h"
#include "sc25519.h"
/** @addtogroup GE25519
* @{
*/
/* Exported types ------------------------------------------------------------*/
typedef struct
{
fe25519 x; /*!< X Parameter of the representation */
fe25519 y; /*!< Y Parameter of the representation */
fe25519 z; /*!< Z Parameter of the representation */
fe25519 t; /*!< T Parameter of the representation */
} ge25519; /*!< Point on Twisted Edwards Curve ed25519 represented in extended coordinates */
/* Exported constants --------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
int32_t ge25519_unpackneg_vartime(ge25519 *r, const uint8_t p[32]);
void ge25519_pack(uint8_t r[32], const ge25519 *p);
void ge25519_double_scalarmult_vartime(ge25519 *r, const ge25519 *p1, const sc25519 *s1, const ge25519 *p2, const sc25519 *s2);
void ge25519_scalarmult_base(ge25519 *r, const sc25519 *s);
/**
* @} ge25519
*/
#ifdef __cplusplus
}
#endif
#endif /* __GE25519_H__ */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|