forked from osmocom/wireshark
35 lines
968 B
C
35 lines
968 B
C
/** @file
|
|
* NaCl/Sodium-compatible API for Curve25519 cryptography.
|
|
*
|
|
* Copyright (c) 2018, Peter Wu <peter@lekensteyn.nl>
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#ifndef __CURVE25519_H__
|
|
#define __CURVE25519_H__
|
|
|
|
#include <wireshark.h>
|
|
|
|
/*
|
|
* Computes Q = X25519(n, P). In other words, given the secret key n, the public
|
|
* key P, compute the shared secret Q. Each key is 32 bytes long.
|
|
* Returns 0 on success or -1 on failure.
|
|
*/
|
|
WS_DLL_PUBLIC
|
|
int crypto_scalarmult_curve25519(unsigned char *q, const unsigned char *n,
|
|
const unsigned char *p);
|
|
|
|
/*
|
|
* Computes the Curve25519 32-byte public key Q from the 32-byte secret key n.
|
|
* Returns 0 on success or -1 on failure.
|
|
*/
|
|
WS_DLL_PUBLIC
|
|
int crypto_scalarmult_curve25519_base(unsigned char *q, const unsigned char *n);
|
|
|
|
#endif /* __CURVE25519_H__ */
|