From ca592cb6e6a9aeee619d3fd7311030ab34844c2f Mon Sep 17 00:00:00 2001 From: flu0r1ne Date: Sun, 27 Aug 2023 20:11:39 -0500 Subject: Add wg2nd-web source --- src/models/crypto/curve25519.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 src/models/crypto/curve25519.h (limited to 'src/models/crypto/curve25519.h') diff --git a/src/models/crypto/curve25519.h b/src/models/crypto/curve25519.h new file mode 100644 index 0000000..b05432f --- /dev/null +++ b/src/models/crypto/curve25519.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ +/* + * Copyright (C) 2015-2020 Jason A. Donenfeld . All Rights Reserved. + */ + +#ifndef CURVE25519_H +#define CURVE25519_H + +#include +#include + +enum curve25519_lengths { + CURVE25519_KEY_SIZE = 32 +}; + +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]); +void curve25519_generate_public(uint8_t pub[static CURVE25519_KEY_SIZE], const uint8_t secret[static CURVE25519_KEY_SIZE]); +static inline void curve25519_clamp_secret(uint8_t secret[static CURVE25519_KEY_SIZE]) +{ + secret[0] &= 248; + secret[31] = (secret[31] & 127) | 64; +} + +#endif -- cgit v1.2.3