Damien Miller | 8a56dc2 | 2013-12-18 17:48:11 +1100 | [diff] [blame] | 1 | /* $OpenBSD: fe25519.h,v 1.3 2013/12/09 11:03:45 markus Exp $ */ |
Damien Miller | 5be9d9e | 2013-12-07 11:24:01 +1100 | [diff] [blame] | 2 | |
Damien Miller | 8a56dc2 | 2013-12-18 17:48:11 +1100 | [diff] [blame] | 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 | */ |
Damien Miller | 5be9d9e | 2013-12-07 11:24:01 +1100 | [diff] [blame] | 8 | |
| 9 | #ifndef FE25519_H |
| 10 | #define FE25519_H |
| 11 | |
| 12 | #include "crypto_api.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 | { |
| 34 | crypto_uint32 v[32]; |
| 35 | } |
| 36 | fe25519; |
| 37 | |
| 38 | void fe25519_freeze(fe25519 *r); |
| 39 | |
| 40 | void fe25519_unpack(fe25519 *r, const unsigned char x[32]); |
| 41 | |
| 42 | void fe25519_pack(unsigned char r[32], const fe25519 *x); |
| 43 | |
| 44 | int fe25519_iszero(const fe25519 *x); |
| 45 | |
| 46 | int fe25519_iseq_vartime(const fe25519 *x, const fe25519 *y); |
| 47 | |
| 48 | void fe25519_cmov(fe25519 *r, const fe25519 *x, unsigned char b); |
| 49 | |
| 50 | void fe25519_setone(fe25519 *r); |
| 51 | |
| 52 | void fe25519_setzero(fe25519 *r); |
| 53 | |
| 54 | void fe25519_neg(fe25519 *r, const fe25519 *x); |
| 55 | |
| 56 | unsigned char fe25519_getparity(const fe25519 *x); |
| 57 | |
| 58 | void fe25519_add(fe25519 *r, const fe25519 *x, const fe25519 *y); |
| 59 | |
| 60 | void fe25519_sub(fe25519 *r, const fe25519 *x, const fe25519 *y); |
| 61 | |
| 62 | void fe25519_mul(fe25519 *r, const fe25519 *x, const fe25519 *y); |
| 63 | |
| 64 | void fe25519_square(fe25519 *r, const fe25519 *x); |
| 65 | |
| 66 | void fe25519_invert(fe25519 *r, const fe25519 *x); |
| 67 | |
| 68 | void fe25519_pow2523(fe25519 *r, const fe25519 *x); |
| 69 | |
| 70 | #endif |