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      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 _RSA_H_
     26 #define _RSA_H_
     27 
     28 #include "includes.h"
     29 #include "buffer.h"
     30 
     31 #ifdef DROPBEAR_RSA
     32 
     33 #define RSA_SIGNATURE_SIZE 4+7+4+40
     34 
     35 struct RSA_key {
     36 
     37 	mp_int* n;
     38 	mp_int* e;
     39 	mp_int* d;
     40 	mp_int* p;
     41 	mp_int* q;
     42 
     43 };
     44 
     45 typedef struct RSA_key rsa_key;
     46 
     47 void buf_put_rsa_sign(buffer* buf, rsa_key *key, const unsigned char* data,
     48 		unsigned int len);
     49 #ifdef DROPBEAR_SIGNKEY_VERIFY
     50 int buf_rsa_verify(buffer * buf, rsa_key *key, const unsigned char* data,
     51 		unsigned int len);
     52 #endif
     53 int buf_get_rsa_pub_key(buffer* buf, rsa_key *key);
     54 int buf_get_rsa_priv_key(buffer* buf, rsa_key *key);
     55 void buf_put_rsa_pub_key(buffer* buf, rsa_key *key);
     56 void buf_put_rsa_priv_key(buffer* buf, rsa_key *key);
     57 void rsa_key_free(rsa_key *key);
     58 
     59 #endif /* DROPBEAR_RSA */
     60 
     61 #endif /* _RSA_H_ */
     62