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 _DSS_H_ 26 #define _DSS_H_ 27 28 #include "includes.h" 29 #include "buffer.h" 30 31 #ifdef DROPBEAR_DSS 32 33 #define DSS_SIGNATURE_SIZE 4+SSH_SIGNKEY_DSS_LEN+4+2*SHA1_HASH_SIZE 34 35 struct DSS_key { 36 37 mp_int* p; 38 mp_int* q; 39 mp_int* g; 40 mp_int* y; 41 mp_int* x; 42 43 }; 44 45 typedef struct DSS_key dss_key; 46 47 void buf_put_dss_sign(buffer* buf, dss_key *key, const unsigned char* data, 48 unsigned int len); 49 #ifdef DROPBEAR_SIGNKEY_VERIFY 50 int buf_dss_verify(buffer* buf, dss_key *key, const unsigned char* data, 51 unsigned int len); 52 #endif 53 int buf_get_dss_pub_key(buffer* buf, dss_key *key); 54 int buf_get_dss_priv_key(buffer* buf, dss_key *key); 55 void buf_put_dss_pub_key(buffer* buf, dss_key *key); 56 void buf_put_dss_priv_key(buffer* buf, dss_key *key); 57 void dss_key_free(dss_key *key); 58 59 #endif /* DROPBEAR_DSS */ 60 61 #endif /* _DSS_H_ */ 62