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comparison ed25519.h @ 1659:d32bcb5c557d

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Add Ed25519 support (#91) * Add support for Ed25519 as a public key type Ed25519 is a elliptic curve signature scheme that offers better security than ECDSA and DSA and good performance. It may be used for both user and host keys. OpenSSH key import and fuzzer are not supported yet. Initially inspired by Peter Szabo. * Add curve25519 and ed25519 fuzzers * Add import and export of Ed25519 keys
author Vladislav Grishenko <themiron@users.noreply.github.com>
date Wed, 11 Mar 2020 21:09:45 +0500
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children ba6fc7afe1c5
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1658:7402218141d4 1659:d32bcb5c557d
1 /*
2 * Dropbear - a SSH2 server
3 *
4 * Copyright (c) 2002,2003 Matt Johnston
5 * All rights reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE. */
24
25 #ifndef DROPBEAR_ED25519_H_
26 #define DROPBEAR_ED25519_H_
27
28 #include "includes.h"
29 #include "buffer.h"
30
31 #if DROPBEAR_ED25519
32
33 #define CURVE25519_LEN 32
34
35 typedef struct {
36
37 unsigned char priv[CURVE25519_LEN];
38 unsigned char pub[CURVE25519_LEN];
39
40 } dropbear_ed25519_key;
41
42 void buf_put_ed25519_sign(buffer* buf, const dropbear_ed25519_key *key, const buffer *data_buf);
43 #if DROPBEAR_SIGNKEY_VERIFY
44 int buf_ed25519_verify(buffer * buf, const dropbear_ed25519_key *key, const buffer *data_buf);
45 #endif
46 int buf_get_ed25519_pub_key(buffer* buf, dropbear_ed25519_key *key);
47 int buf_get_ed25519_priv_key(buffer* buf, dropbear_ed25519_key *key);
48 void buf_put_ed25519_pub_key(buffer* buf, const dropbear_ed25519_key *key);
49 void buf_put_ed25519_priv_key(buffer* buf, const dropbear_ed25519_key *key);
50 void ed25519_key_free(dropbear_ed25519_key *key);
51
52 #endif /* DROPBEAR_ED25519 */
53
54 #endif /* DROPBEAR_ED25519_H_ */