Source code
Revision control
Copy as Markdown
Other Tools
/* MIT License
*
* Copyright (c) 2016-2022 INRIA, CMU and Microsoft Corporation
* Copyright (c) 2022-2023 HACL* Contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __Hacl_Curve25519_51_H
#define __Hacl_Curve25519_51_H
#if defined(__cplusplus)
extern "C" {
#endif
#include <string.h>
#include "krml/internal/types.h"
#include "krml/lowstar_endianness.h"
#include "krml/internal/target.h"
#include "Hacl_Krmllib.h"
/**
Compute the scalar multiple of a point.
@param out Pointer to 32 bytes of memory, allocated by the caller, where the resulting point is written to.
@param priv Pointer to 32 bytes of memory where the secret/private key is read from.
@param pub Pointer to 32 bytes of memory where the public point is read from.
*/
void Hacl_Curve25519_51_scalarmult(uint8_t *out, uint8_t *priv, uint8_t *pub);
/**
Calculate a public point from a secret/private key.
This computes a scalar multiplication of the secret/private key with the curve's basepoint.
@param pub Pointer to 32 bytes of memory, allocated by the caller, where the resulting point is written to.
@param priv Pointer to 32 bytes of memory where the secret/private key is read from.
*/
void Hacl_Curve25519_51_secret_to_public(uint8_t *pub, uint8_t *priv);
/**
Execute the diffie-hellmann key exchange.
@param out Pointer to 32 bytes of memory, allocated by the caller, where the resulting point is written to.
@param priv Pointer to 32 bytes of memory where **our** secret/private key is read from.
@param pub Pointer to 32 bytes of memory where **their** public point is read from.
*/
bool Hacl_Curve25519_51_ecdh(uint8_t *out, uint8_t *priv, uint8_t *pub);
#if defined(__cplusplus)
}
#endif
#define __Hacl_Curve25519_51_H_DEFINED
#endif