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moved iris-kit-esp8285 to subdir

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strawmanbobi
2024-10-08 16:42:36 +08:00
parent 89053640ef
commit cd861c50ed
676 changed files with 15 additions and 0 deletions
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lib/Crypto/Ed25519.h
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/*
* Copyright (C) 2015 Southern Storm Software, Pty Ltd.
*
* 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 CRYPTO_ED25519_h
#define CRYPTO_ED25519_h
#include "BigNumberUtil.h"
#include "SHA512.h"
class Ed25519
{
public:
static void sign(uint8_t signature[64], const uint8_t privateKey[32],
const uint8_t publicKey[32], const void *message,
size_t len);
static bool verify(const uint8_t signature[64], const uint8_t publicKey[32],
const void *message, size_t len);
static void generatePrivateKey(uint8_t privateKey[32]);
static void derivePublicKey(uint8_t publicKey[32], const uint8_t privateKey[32]);
private:
// Constructor and destructor are private - cannot instantiate this class.
Ed25519();
~Ed25519();
// Curve point represented in extended homogeneous coordinates.
struct Point
{
limb_t x[32 / sizeof(limb_t)];
limb_t y[32 / sizeof(limb_t)];
limb_t z[32 / sizeof(limb_t)];
limb_t t[32 / sizeof(limb_t)];
};
static void reduceQFromBuffer(limb_t *result, const uint8_t buf[64], limb_t *temp);
static void reduceQ(limb_t *result, limb_t *r);
static void mul(Point &result, const limb_t *s, Point &p, bool constTime = true);
static void mul(Point &result, const limb_t *s, bool constTime = true);
static void add(Point &p, const Point &q);
static bool equal(const Point &p, const Point &q);
static void encodePoint(uint8_t *buf, Point &point);
static bool decodePoint(Point &point, const uint8_t *buf);
static void deriveKeys(SHA512 *hash, limb_t *a, const uint8_t privateKey[32]);
};
#endif