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annotate dss.h @ 760:f336d232fc63 ecc

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Make _sign and _verify functions take a buffer* rather than void* and int
author Matt Johnston <matt@ucc.asn.au>
date Sat, 06 Apr 2013 16:00:37 +0800
parents b50f0107e505
children d386defb5376
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1 /*
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2 * Dropbear - a SSH2 server
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3 *
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4 * Copyright (c) 2002,2003 Matt Johnston
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5 * All rights reserved.
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6 *
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7 * Permission is hereby granted, free of charge, to any person obtaining a copy
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8 * of this software and associated documentation files (the "Software"), to deal
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9 * in the Software without restriction, including without limitation the rights
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10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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11 * copies of the Software, and to permit persons to whom the Software is
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12 * furnished to do so, subject to the following conditions:
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13 *
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14 * The above copyright notice and this permission notice shall be included in
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15 * all copies or substantial portions of the Software.
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16 *
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17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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23 * SOFTWARE. */
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24
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25 #ifndef _DSS_H_
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26 #define _DSS_H_
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27
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28 #include "includes.h"
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29 #include "buffer.h"
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30
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31 #ifdef DROPBEAR_DSS
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32
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33 #define DSS_SIGNATURE_SIZE 4+SSH_SIGNKEY_DSS_LEN+4+2*SHA1_HASH_SIZE
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34
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35 typedef struct {
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36
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37 mp_int* p;
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38 mp_int* q;
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39 mp_int* g;
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40 mp_int* y;
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41 /* x is the private part */
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42 mp_int* x;
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43
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44 } dropbear_dss_key;
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46 void buf_put_dss_sign(buffer* buf, dropbear_dss_key *key, buffer *data_buf);
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47 #ifdef DROPBEAR_SIGNKEY_VERIFY
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48 int buf_dss_verify(buffer* buf, dropbear_dss_key *key, buffer *data_buf);
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49 #endif
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50 int buf_get_dss_pub_key(buffer* buf, dropbear_dss_key *key);
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51 int buf_get_dss_priv_key(buffer* buf, dropbear_dss_key *key);
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52 void buf_put_dss_pub_key(buffer* buf, dropbear_dss_key *key);
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53 void buf_put_dss_priv_key(buffer* buf, dropbear_dss_key *key);
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54 void dss_key_free(dropbear_dss_key *key);
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56 #endif /* DROPBEAR_DSS */
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58 #endif /* _DSS_H_ */