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-rw-r--r--third_party/boringssl/include/curve25519.h70
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diff --git a/third_party/boringssl/include/curve25519.h b/third_party/boringssl/include/curve25519.h
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-/* Copyright 2017 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef __CROS_EC_CURVE25519_H
-#define __CROS_EC_CURVE25519_H
-
-#include <stdint.h>
-
-/* Curve25519.
- *
- * Curve25519 is an elliptic curve. See https://tools.ietf.org/html/rfc7748.
- */
-
-
-/* X25519.
- *
- * X25519 is the Diffie-Hellman primitive built from curve25519. It is
- * sometimes referred to as “curve25519”, but “X25519” is a more precise
- * name.
- * See http://cr.yp.to/ecdh.html and https://tools.ietf.org/html/rfc7748.
- */
-
-#define X25519_PRIVATE_KEY_LEN 32
-#define X25519_PUBLIC_VALUE_LEN 32
-
-/**
- * Generate a public/private key pair.
- * @param out_public_value generated public key.
- * @param out_private_value generated private key.
- */
-void X25519_keypair(uint8_t out_public_value[32], uint8_t out_private_key[32]);
-
-/**
- * Diffie-Hellman function.
- * @param out_shared_key
- * @param private_key
- * @param out_public_value
- * @return one on success and zero on error.
- *
- * X25519() writes a shared key to @out_shared_key that is calculated from the
- * given private key and the peer's public value.
- *
- * Don't use the shared key directly, rather use a KDF and also include the two
- * public values as inputs.
- */
-int X25519(uint8_t out_shared_key[32], const uint8_t private_key[32],
- const uint8_t peers_public_value[32]);
-
-/**
- * Compute the matching public key.
- * @param out_public_value computed public key.
- * @param private_key private key to use.
- *
- * X25519_public_from_private() calculates a Diffie-Hellman public value from
- * the given private key and writes it to @out_public_value.
- */
-void X25519_public_from_private(uint8_t out_public_value[32],
- const uint8_t private_key[32]);
-
-/*
- * Low-level x25519 function, defined by either the generic or cortex-m0
- * implementation. Must not be called directly.
- */
-void x25519_scalar_mult(uint8_t out[32],
- const uint8_t scalar[32],
- const uint8_t point[32]);
-
-#endif /* __CROS_EC_CURVE25519_H */