1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (C) 2015-2020 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
10 #include <sys/types.h>
12 enum curve25519_lengths
{
13 CURVE25519_KEY_SIZE
= 32
16 void curve25519(uint8_t mypublic
[static CURVE25519_KEY_SIZE
], const uint8_t secret
[static CURVE25519_KEY_SIZE
], const uint8_t basepoint
[static CURVE25519_KEY_SIZE
]);
17 void curve25519_generate_public(uint8_t pub
[static CURVE25519_KEY_SIZE
], const uint8_t secret
[static CURVE25519_KEY_SIZE
]);
18 static inline void curve25519_clamp_secret(uint8_t secret
[static CURVE25519_KEY_SIZE
])
21 secret
[31] = (secret
[31] & 127) | 64;