Mercurial > dropbear

comparison svr-kex.c @ 24:469950e86d0f

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switching to global vars
author Matt Johnston <matt@ucc.asn.au>
date Tue, 20 Jul 2004 12:05:00 +0000
parents c1e5d9195402
children 0969767bca0d
comparison
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23:c896a4dd65da 24:469950e86d0f
30 #include "kex.h" 30 #include "kex.h"
31 #include "ssh.h" 31 #include "ssh.h"
32 #include "packet.h" 32 #include "packet.h"
33 #include "bignum.h" 33 #include "bignum.h"
34 #include "random.h" 34 #include "random.h"
35 #include "runopts.h"
35 36
36 37
37 static void send_msg_kexdh_reply(mp_int *dh_e); 38 static void send_msg_kexdh_reply(mp_int *dh_e);
38 39
39 /* Handle a diffie-hellman key exchange initialisation. This involves 40 /* Handle a diffie-hellman key exchange initialisation. This involves
123 /* clear no longer needed vars */ 124 /* clear no longer needed vars */
124 mp_clear_multi(&dh_y, &dh_p, &dh_q, NULL); 125 mp_clear_multi(&dh_y, &dh_p, &dh_q, NULL);
125 126
126 /* Create the remainder of the hash buffer, to generate the exchange hash */ 127 /* Create the remainder of the hash buffer, to generate the exchange hash */
127 /* K_S, the host key */ 128 /* K_S, the host key */
128 buf_put_pub_key(ses.kexhashbuf, ses.opts->hostkey, 129 buf_put_pub_key(ses.kexhashbuf, svr_opts.hostkey,
129 ses.newkeys->algo_hostkey); 130 ses.newkeys->algo_hostkey);
130 /* e, exchange value sent by the client */ 131 /* e, exchange value sent by the client */
131 buf_putmpint(ses.kexhashbuf, dh_e); 132 buf_putmpint(ses.kexhashbuf, dh_e);
132 /* f, exchange value sent by the server */ 133 /* f, exchange value sent by the server */
133 buf_putmpint(ses.kexhashbuf, &dh_f); 134 buf_putmpint(ses.kexhashbuf, &dh_f);
151 } 152 }
152 153
153 /* we can start creating the kexdh_reply packet */ 154 /* we can start creating the kexdh_reply packet */
154 CHECKCLEARTOWRITE(); 155 CHECKCLEARTOWRITE();
155 buf_putbyte(ses.writepayload, SSH_MSG_KEXDH_REPLY); 156 buf_putbyte(ses.writepayload, SSH_MSG_KEXDH_REPLY);
156 buf_put_pub_key(ses.writepayload, ses.opts->hostkey, 157 buf_put_pub_key(ses.writepayload, svr_opts.hostkey,
157 ses.newkeys->algo_hostkey); 158 ses.newkeys->algo_hostkey);
158 159
159 /* put f */ 160 /* put f */
160 buf_putmpint(ses.writepayload, &dh_f); 161 buf_putmpint(ses.writepayload, &dh_f);
161 mp_clear(&dh_f); 162 mp_clear(&dh_f);
162 163
163 /* calc the signature */ 164 /* calc the signature */
164 buf_put_sign(ses.writepayload, ses.opts->hostkey, 165 buf_put_sign(ses.writepayload, svr_opts.hostkey,
165 ses.newkeys->algo_hostkey, ses.hash, SHA1_HASH_SIZE); 166 ses.newkeys->algo_hostkey, ses.hash, SHA1_HASH_SIZE);
166 167
167 /* the SSH_MSG_KEXDH_REPLY is done */ 168 /* the SSH_MSG_KEXDH_REPLY is done */
168 encrypt_packet(); 169 encrypt_packet();
169 170