libssh  0.8.4
The SSH library
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
Definition: fe25519.h:32