annotate svr-kex.c @ 1280:94d4038bb34c

Use memset_s or explicit_bzero
author Matt Johnston <matt@ucc.asn.au>
date Wed, 16 Mar 2016 23:39:39 +0800
parents c8f52c19e949
children 56aba7dedbea efad433418c4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 * Copyright (c) 2004 by Mihnea Stoenescu
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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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25
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26 #include "includes.h"
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27 #include "dbutil.h"
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28 #include "algo.h"
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29 #include "buffer.h"
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30 #include "session.h"
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31 #include "kex.h"
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32 #include "ssh.h"
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33 #include "packet.h"
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34 #include "bignum.h"
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35 #include "dbrandom.h"
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36 #include "runopts.h"
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37 #include "ecc.h"
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38 #include "gensignkey.h"
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39
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40 static void send_msg_kexdh_reply(mp_int *dh_e, buffer *ecdh_qs);
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41
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42 /* Handle a diffie-hellman key exchange initialisation. This involves
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43 * calculating a session key reply value, and corresponding hash. These
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44 * are carried out by send_msg_kexdh_reply(). recv_msg_kexdh_init() calls
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45 * that function, then brings the new keys into use */
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46 void recv_msg_kexdh_init() {
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47
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48 DEF_MP_INT(dh_e);
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49 buffer *ecdh_qs = NULL;
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50
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51 TRACE(("enter recv_msg_kexdh_init"))
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52 if (!ses.kexstate.recvkexinit) {
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53 dropbear_exit("Premature kexdh_init message received");
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54 }
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55
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56 switch (ses.newkeys->algo_kex->mode) {
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57 case DROPBEAR_KEX_NORMAL_DH:
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58 m_mp_init(&dh_e);
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59 if (buf_getmpint(ses.payload, &dh_e) != DROPBEAR_SUCCESS) {
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60 dropbear_exit("Bad kex value");
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61 }
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62 break;
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63 case DROPBEAR_KEX_ECDH:
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64 case DROPBEAR_KEX_CURVE25519:
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65 #if defined(DROPBEAR_ECDH) || defined(DROPBEAR_CURVE25519)
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66 ecdh_qs = buf_getstringbuf(ses.payload);
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67 #endif
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68 break;
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69 }
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70 if (ses.payload->pos != ses.payload->len) {
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71 dropbear_exit("Bad kex value");
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72 }
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73
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74 send_msg_kexdh_reply(&dh_e, ecdh_qs);
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76 mp_clear(&dh_e);
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77 if (ecdh_qs) {
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78 buf_free(ecdh_qs);
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79 ecdh_qs = NULL;
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80 }
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81
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82 send_msg_newkeys();
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83 ses.requirenext = SSH_MSG_NEWKEYS;
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84 TRACE(("leave recv_msg_kexdh_init"))
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85 }
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86
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87
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88 #ifdef DROPBEAR_DELAY_HOSTKEY
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89
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90 static void fsync_parent_dir(const char* fn) {
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91 #ifdef HAVE_LIBGEN_H
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92 char *fn_dir = m_strdup(fn);
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93 char *dir = dirname(fn_dir);
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94 int dirfd = open(dir, O_RDONLY);
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95
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96 if (dirfd != -1) {
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97 if (fsync(dirfd) != 0) {
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98 TRACE(("fsync of directory %s failed: %s", dir, strerror(errno)))
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99 }
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100 m_close(dirfd);
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101 } else {
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102 TRACE(("error opening directory %s for fsync: %s", dir, strerror(errno)))
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103 }
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104
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105 free(fn_dir);
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106 #endif
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107 }
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108
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109 static void svr_ensure_hostkey() {
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110
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111 const char* fn = NULL;
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112 char *fn_temp = NULL;
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113 enum signkey_type type = ses.newkeys->algo_hostkey;
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114 void **hostkey = signkey_key_ptr(svr_opts.hostkey, type);
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115 int ret = DROPBEAR_FAILURE;
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116
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117 if (hostkey && *hostkey) {
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118 return;
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119 }
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120
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121 switch (type)
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122 {
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123 #ifdef DROPBEAR_RSA
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124 case DROPBEAR_SIGNKEY_RSA:
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125 fn = RSA_PRIV_FILENAME;
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126 break;
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127 #endif
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128 #ifdef DROPBEAR_DSS
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129 case DROPBEAR_SIGNKEY_DSS:
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130 fn = DSS_PRIV_FILENAME;
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131 break;
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132 #endif
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133 #ifdef DROPBEAR_ECDSA
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134 case DROPBEAR_SIGNKEY_ECDSA_NISTP256:
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135 case DROPBEAR_SIGNKEY_ECDSA_NISTP384:
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136 case DROPBEAR_SIGNKEY_ECDSA_NISTP521:
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137 fn = ECDSA_PRIV_FILENAME;
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138 break;
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139 #endif
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140 default:
1260
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141 dropbear_assert(0);
846
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142 }
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diff changeset
143
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
144 if (readhostkey(fn, svr_opts.hostkey, &type) == DROPBEAR_SUCCESS) {
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
145 return;
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
146 }
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
147
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
148 fn_temp = m_malloc(strlen(fn) + 20);
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
149 snprintf(fn_temp, strlen(fn)+20, "%s.tmp%d", fn, getpid());
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
150
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
151 if (signkey_generate(type, 0, fn_temp) == DROPBEAR_FAILURE) {
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
152 goto out;
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
153 }
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
154
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
155 if (link(fn_temp, fn) < 0) {
852
7540c0822374 Various cleanups and fixes for warnings
Matt Johnston <matt@ucc.asn.au>
parents: 850
diff changeset
156 /* It's OK to get EEXIST - we probably just lost a race
7540c0822374 Various cleanups and fixes for warnings
Matt Johnston <matt@ucc.asn.au>
parents: 850
diff changeset
157 with another connection to generate the key */
846
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
158 if (errno != EEXIST) {
852
7540c0822374 Various cleanups and fixes for warnings
Matt Johnston <matt@ucc.asn.au>
parents: 850
diff changeset
159 dropbear_log(LOG_ERR, "Failed moving key file to %s: %s", fn,
7540c0822374 Various cleanups and fixes for warnings
Matt Johnston <matt@ucc.asn.au>
parents: 850
diff changeset
160 strerror(errno));
846
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
161 /* XXX fallback to non-atomic copy for some filesystems? */
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
162 goto out;
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
163 }
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
164 }
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
165
982
fd2e8bbb0333 Make sure hostkeys are flushed to disk to avoid empty files if the power
Matt Johnston <matt@ucc.asn.au>
parents: 886
diff changeset
166 /* ensure directory update is flushed to disk, otherwise we can end up
fd2e8bbb0333 Make sure hostkeys are flushed to disk to avoid empty files if the power
Matt Johnston <matt@ucc.asn.au>
parents: 886
diff changeset
167 with zero-byte hostkey files if the power goes off */
fd2e8bbb0333 Make sure hostkeys are flushed to disk to avoid empty files if the power
Matt Johnston <matt@ucc.asn.au>
parents: 886
diff changeset
168 fsync_parent_dir(fn);
fd2e8bbb0333 Make sure hostkeys are flushed to disk to avoid empty files if the power
Matt Johnston <matt@ucc.asn.au>
parents: 886
diff changeset
169
846
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
170 ret = readhostkey(fn, svr_opts.hostkey, &type);
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
171
875
6c7a15668d5a Log when generating a hostkey
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
172 if (ret == DROPBEAR_SUCCESS) {
6c7a15668d5a Log when generating a hostkey
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
173 char *fp = NULL;
6c7a15668d5a Log when generating a hostkey
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
174 unsigned int len;
6c7a15668d5a Log when generating a hostkey
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
175 buffer *key_buf = buf_new(MAX_PUBKEY_SIZE);
6c7a15668d5a Log when generating a hostkey
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
176 buf_put_pub_key(key_buf, svr_opts.hostkey, type);
6c7a15668d5a Log when generating a hostkey
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
177 buf_setpos(key_buf, 4);
6c7a15668d5a Log when generating a hostkey
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
178 len = key_buf->len - key_buf->pos;
6c7a15668d5a Log when generating a hostkey
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
179 fp = sign_key_fingerprint(buf_getptr(key_buf, len), len);
6c7a15668d5a Log when generating a hostkey
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
180 dropbear_log(LOG_INFO, "Generated hostkey %s, fingerprint is %s",
6c7a15668d5a Log when generating a hostkey
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
181 fn, fp);
6c7a15668d5a Log when generating a hostkey
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
182 m_free(fp);
6c7a15668d5a Log when generating a hostkey
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
183 buf_free(key_buf);
6c7a15668d5a Log when generating a hostkey
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
184 }
6c7a15668d5a Log when generating a hostkey
Matt Johnston <matt@ucc.asn.au>
parents: 858
diff changeset
185
846
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
186 out:
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
187 if (fn_temp) {
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
188 unlink(fn_temp);
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
189 m_free(fn_temp);
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
190 }
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
191
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
192 if (ret == DROPBEAR_FAILURE)
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
193 {
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
194 dropbear_exit("Couldn't read or generate hostkey %s", fn);
846
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
195 }
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
196 }
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
197 #endif
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
198
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
199 /* Generate our side of the diffie-hellman key exchange value (dh_f), and
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
200 * calculate the session key using the diffie-hellman algorithm. Following
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
201 * that, the session hash is calculated, and signed with RSA or DSS. The
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
202 * result is sent to the client.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
203 *
755
b07eb3dc23ec refactor kexdh code a bit, start working on ecdh etc
Matt Johnston <matt@ucc.asn.au>
parents: 603
diff changeset
204 * See the transport RFC4253 section 8 for details
b07eb3dc23ec refactor kexdh code a bit, start working on ecdh etc
Matt Johnston <matt@ucc.asn.au>
parents: 603
diff changeset
205 * or RFC5656 section 4 for elliptic curve variant. */
b07eb3dc23ec refactor kexdh code a bit, start working on ecdh etc
Matt Johnston <matt@ucc.asn.au>
parents: 603
diff changeset
206 static void send_msg_kexdh_reply(mp_int *dh_e, buffer *ecdh_qs) {
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 84
diff changeset
207 TRACE(("enter send_msg_kexdh_reply"))
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
208
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
209 /* we can start creating the kexdh_reply packet */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
210 CHECKCLEARTOWRITE();
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
211
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
212 #ifdef DROPBEAR_DELAY_HOSTKEY
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
213 if (svr_opts.delay_hostkey)
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
214 {
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
215 svr_ensure_hostkey();
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
216 }
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
217 #endif
846
b298bb438625 refactor key generation, make it generate as required.
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
218
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
219 buf_putbyte(ses.writepayload, SSH_MSG_KEXDH_REPLY);
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 22
diff changeset
220 buf_put_pub_key(ses.writepayload, svr_opts.hostkey,
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
221 ses.newkeys->algo_hostkey);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
222
848
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
223 switch (ses.newkeys->algo_kex->mode) {
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
224 case DROPBEAR_KEX_NORMAL_DH:
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
225 {
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
226 struct kex_dh_param * dh_param = gen_kexdh_param();
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
227 kexdh_comb_key(dh_param, dh_e, svr_opts.hostkey);
755
b07eb3dc23ec refactor kexdh code a bit, start working on ecdh etc
Matt Johnston <matt@ucc.asn.au>
parents: 603
diff changeset
228
848
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
229 /* put f */
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
230 buf_putmpint(ses.writepayload, &dh_param->pub);
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
231 free_kexdh_param(dh_param);
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
232 }
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
233 break;
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
234 case DROPBEAR_KEX_ECDH:
755
b07eb3dc23ec refactor kexdh code a bit, start working on ecdh etc
Matt Johnston <matt@ucc.asn.au>
parents: 603
diff changeset
235 #ifdef DROPBEAR_ECDH
848
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
236 {
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
237 struct kex_ecdh_param *ecdh_param = gen_kexecdh_param();
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
238 kexecdh_comb_key(ecdh_param, ecdh_qs, svr_opts.hostkey);
755
b07eb3dc23ec refactor kexdh code a bit, start working on ecdh etc
Matt Johnston <matt@ucc.asn.au>
parents: 603
diff changeset
239
848
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
240 buf_put_ecc_raw_pubkey_string(ses.writepayload, &ecdh_param->key);
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
241 free_kexecdh_param(ecdh_param);
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
242 }
755
b07eb3dc23ec refactor kexdh code a bit, start working on ecdh etc
Matt Johnston <matt@ucc.asn.au>
parents: 603
diff changeset
243 #endif
848
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
244 break;
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
245 case DROPBEAR_KEX_CURVE25519:
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
246 #ifdef DROPBEAR_CURVE25519
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
247 {
849
Matt Johnston <matt@ucc.asn.au>
parents: 848 847
diff changeset
248 struct kex_curve25519_param *param = gen_kexcurve25519_param();
848
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
249 kexcurve25519_comb_key(param, ecdh_qs, svr_opts.hostkey);
1122
aaf576b27a10 Merge pull request #13 from gazoo74/fix-warnings
Matt Johnston <matt@ucc.asn.au>
parents: 983
diff changeset
250 buf_putstring(ses.writepayload, (const char*)param->pub, CURVE25519_LEN);
848
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
251 free_kexcurve25519_param(param);
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
252 }
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
253 #endif
6c69e7df3621 curve25519
Matt Johnston <matt@ucc.asn.au>
parents: 801
diff changeset
254 break;
755
b07eb3dc23ec refactor kexdh code a bit, start working on ecdh etc
Matt Johnston <matt@ucc.asn.au>
parents: 603
diff changeset
255 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
256
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
257 /* calc the signature */
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 22
diff changeset
258 buf_put_sign(ses.writepayload, svr_opts.hostkey,
761
ac2158e3e403 ecc kind of works, needs fixing/testing
Matt Johnston <matt@ucc.asn.au>
parents: 759
diff changeset
259 ses.newkeys->algo_hostkey, ses.hash);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
260
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
261 /* the SSH_MSG_KEXDH_REPLY is done */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
262 encrypt_packet();
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
263
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 84
diff changeset
264 TRACE(("leave send_msg_kexdh_reply"))
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
265 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
266