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Diffstat (limited to 'third_party/boringssl/include/curve25519.h')
-rw-r--r-- | third_party/boringssl/include/curve25519.h | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/third_party/boringssl/include/curve25519.h b/third_party/boringssl/include/curve25519.h deleted file mode 100644 index 8287c94466..0000000000 --- a/third_party/boringssl/include/curve25519.h +++ /dev/null @@ -1,70 +0,0 @@ -/* 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 */ |