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- /*
- * cifra - embedded cryptography library
- * Written in 2014 by Joseph Birr-Pixton <jpixton@gmail.com>
- *
- * To the extent possible under law, the author(s) have dedicated all
- * copyright and related and neighboring rights to this software to the
- * public domain worldwide. This software is distributed without any
- * warranty.
- *
- * You should have received a copy of the CC0 Public Domain Dedication
- * along with this software. If not, see
- * <http://creativecommons.org/publicdomain/zero/1.0/>.
- */
- #ifndef CURVE25519_H
- #define CURVE25519_H
- #include <stddef.h>
- #include <stdint.h>
- /**
- * Curve25519
- * ==========
- * This is `curve25519 <http://cr.yp.to/ecdh.html>`_ with switchable
- * implementations underneath.
- *
- * By default tweetnacl is used on hosts, and the implementation
- * from μNaCl for Cortex-M0, M3 and M4.
- */
- /* .. c:function:: $DECL
- * Multiplies `point` by `scalar`, putting the resulting point into `out`. */
- void cf_curve25519_mul(uint8_t out[32],
- const uint8_t scalar[32],
- const uint8_t point[32]);
- /* .. c:function:: $DECL
- * Multiplies `scalar` by the curve25519 base point, putting the resulting
- * point into `out`. */
- void cf_curve25519_mul_base(uint8_t out[32], const uint8_t scalar[32]);
- #endif
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