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-rw-r--r--sys/dev/if_wg/include/crypto/curve25519.h74
1 files changed, 0 insertions, 74 deletions
diff --git a/sys/dev/if_wg/include/crypto/curve25519.h b/sys/dev/if_wg/include/crypto/curve25519.h
deleted file mode 100644
index 3e90d1b270fe..000000000000
--- a/sys/dev/if_wg/include/crypto/curve25519.h
+++ /dev/null
@@ -1,74 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 2019-2020 Rubicon Communications, LLC (Netgate)
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#ifndef _CURVE25519_H_
-#define _CURVE25519_H_
-
-#include <sys/systm.h>
-
-#define CURVE25519_KEY_SIZE 32
-
-void curve25519_generic(u8 [CURVE25519_KEY_SIZE],
- const u8 [CURVE25519_KEY_SIZE],
- const u8 [CURVE25519_KEY_SIZE]);
-
-static inline void curve25519_clamp_secret(u8 secret[CURVE25519_KEY_SIZE])
-{
- secret[0] &= 248;
- secret[31] = (secret[31] & 127) | 64;
-}
-
-static const u8 null_point[CURVE25519_KEY_SIZE] = { 0 };
-
-static inline int curve25519(u8 mypublic[CURVE25519_KEY_SIZE],
- const u8 secret[CURVE25519_KEY_SIZE],
- const u8 basepoint[CURVE25519_KEY_SIZE])
-{
- curve25519_generic(mypublic, secret, basepoint);
- return timingsafe_bcmp(mypublic, null_point, CURVE25519_KEY_SIZE);
-}
-
-static inline int curve25519_generate_public(u8 pub[CURVE25519_KEY_SIZE],
- const u8 secret[CURVE25519_KEY_SIZE])
-{
- static const u8 basepoint[CURVE25519_KEY_SIZE] __aligned(32) = { 9 };
-
- if (timingsafe_bcmp(secret, null_point, CURVE25519_KEY_SIZE) == 0)
- return 0;
-
- return curve25519(pub, secret, basepoint);
-}
-
-static inline void curve25519_generate_secret(u8 secret[CURVE25519_KEY_SIZE])
-{
- arc4random_buf(secret, CURVE25519_KEY_SIZE);
- curve25519_clamp_secret(secret);
-}
-
-#endif /* _CURVE25519_H_ */