libssh 0.7.5

fe25519.h
1 /* $OpenBSD: fe25519.h,v 1.3 2013/12/09 11:03:45 markus Exp $ */
2
3 /*
4 * Public Domain, Authors: Daniel J. Bernstein, Niels Duif, Tanja Lange,
5 * Peter Schwabe, Bo-Yin Yang.
6 * Copied from supercop-20130419/crypto_sign/ed25519/ref/fe25519.h
7 */
8
9 #ifndef FE25519_H
10 #define FE25519_H
11
12 #include "libssh/priv.h"
13
14 #define fe25519 crypto_sign_ed25519_ref_fe25519
15 #define fe25519_freeze crypto_sign_ed25519_ref_fe25519_freeze
16 #define fe25519_unpack crypto_sign_ed25519_ref_fe25519_unpack
17 #define fe25519_pack crypto_sign_ed25519_ref_fe25519_pack
18 #define fe25519_iszero crypto_sign_ed25519_ref_fe25519_iszero
19 #define fe25519_iseq_vartime crypto_sign_ed25519_ref_fe25519_iseq_vartime
20 #define fe25519_cmov crypto_sign_ed25519_ref_fe25519_cmov
21 #define fe25519_setone crypto_sign_ed25519_ref_fe25519_setone
22 #define fe25519_setzero crypto_sign_ed25519_ref_fe25519_setzero
23 #define fe25519_neg crypto_sign_ed25519_ref_fe25519_neg
24 #define fe25519_getparity crypto_sign_ed25519_ref_fe25519_getparity
25 #define fe25519_add crypto_sign_ed25519_ref_fe25519_add
26 #define fe25519_sub crypto_sign_ed25519_ref_fe25519_sub
27 #define fe25519_mul crypto_sign_ed25519_ref_fe25519_mul
28 #define fe25519_square crypto_sign_ed25519_ref_fe25519_square
29 #define fe25519_invert crypto_sign_ed25519_ref_fe25519_invert
30 #define fe25519_pow2523 crypto_sign_ed25519_ref_fe25519_pow2523
31
32 typedef struct {
33 uint32_t v[32];
34 } fe25519;
35
36 void fe25519_freeze(fe25519 *r);
37
38 void fe25519_unpack(fe25519 *r, const unsigned char x[32]);
39
40 void fe25519_pack(unsigned char r[32], const fe25519 *x);
41
42 int fe25519_iszero(const fe25519 *x);
43
44 int fe25519_iseq_vartime(const fe25519 *x, const fe25519 *y);
45
46 void fe25519_cmov(fe25519 *r, const fe25519 *x, unsigned char b);
47
48 void fe25519_setone(fe25519 *r);
49
50 void fe25519_setzero(fe25519 *r);
51
52 void fe25519_neg(fe25519 *r, const fe25519 *x);
53
54 unsigned char fe25519_getparity(const fe25519 *x);
55
56 void fe25519_add(fe25519 *r, const fe25519 *x, const fe25519 *y);
57
58 void fe25519_sub(fe25519 *r, const fe25519 *x, const fe25519 *y);
59
60 void fe25519_mul(fe25519 *r, const fe25519 *x, const fe25519 *y);
61
62 void fe25519_square(fe25519 *r, const fe25519 *x);
63
64 void fe25519_invert(fe25519 *r, const fe25519 *x);
65
66 void fe25519_pow2523(fe25519 *r, const fe25519 *x);
67
68 #endif