blob: 794f0750f4be3a5530e7d11e8376fd9740d49323 (
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
|
/*
* NEWHOPE Ring-LWE scheme
* Based on the public domain reference implementation by the
* designers (https://github.com/tpoeppelmann/newhope)
*
* Further changes
* (C) 2016 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_NEWHOPE_H__
#define BOTAN_NEWHOPE_H__
#include <botan/rng.h>
namespace Botan {
/*
* WARNING: This API is preliminary and will change
* Currently pubkey.h does not support a 2-phase KEM scheme of
* the sort NEWHOPE exports.
*/
#define NEWHOPE_SENDABYTES 1824
#define NEWHOPE_SENDBBYTES 2048
typedef struct {
uint16_t coeffs[1024];
} newhope_poly;
void BOTAN_DLL newhope_keygen(uint8_t *send, newhope_poly *sk, RandomNumberGenerator& rng);
void BOTAN_DLL newhope_sharedb(uint8_t *sharedkey, uint8_t *send, const uint8_t *received, RandomNumberGenerator& rng);
void BOTAN_DLL newhope_shareda(uint8_t *sharedkey, const newhope_poly *ska, const uint8_t *received);
/*
* This is just exposed for testing
*/
void BOTAN_DLL newhope_hash(uint8_t *output, const uint8_t *input, size_t inputByteLen);
}
#endif
|
