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annotate gcm.h @ 1793:f90e681b8b8c

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merge
author Matt Johnston <matt@ucc.asn.au>
date Fri, 29 Jan 2021 21:59:12 +0800
parents 3a97f14c0235
children
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1 /*
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2 * Dropbear SSH
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3 *
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4 * Copyright (c) 2002,2003 Matt Johnston
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5 * Copyright (c) 2020 by Vladislav Grishenko
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6 * All rights reserved.
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7 *
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8 * Permission is hereby granted, free of charge, to any person obtaining a copy
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9 * of this software and associated documentation files (the "Software"), to deal
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10 * in the Software without restriction, including without limitation the rights
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11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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12 * copies of the Software, and to permit persons to whom the Software is
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13 * furnished to do so, subject to the following conditions:
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14 *
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15 * The above copyright notice and this permission notice shall be included in
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16 * all copies or substantial portions of the Software.
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17 *
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18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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24 * SOFTWARE. */
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26 #ifndef DROPBEAR_DROPBEAR_GCM_H_
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27 #define DROPBEAR_DROPBEAR_GCM_H_
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28
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29 #include "includes.h"
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30 #include "algo.h"
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32 #if DROPBEAR_ENABLE_GCM_MODE
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33
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34 #define GCM_IVFIX_LEN 4
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35 #define GCM_IVCTR_LEN 8
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36 #define GCM_NONCE_LEN (GCM_IVFIX_LEN + GCM_IVCTR_LEN)
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38 typedef struct {
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39 gcm_state gcm;
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40 unsigned char iv[GCM_NONCE_LEN];
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41 } dropbear_gcm_state;
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43 extern const struct dropbear_cipher_mode dropbear_mode_gcm;
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45 #endif /* DROPBEAR_ENABLE_GCM_MODE */
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47 #endif /* DROPBEAR_DROPBEAR_GCM_H_ */