2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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3 * All rights reserved.
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5 * This package is an SSL implementation written
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6 * by Eric Young (eay@cryptsoft.com).
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7 * The implementation was written so as to conform with Netscapes SSL.
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9 * This library is free for commercial and non-commercial use as long as
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10 * the following conditions are aheared to. The following conditions
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11 * apply to all code found in this distribution, be it the RC4, RSA,
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12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
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13 * included with this distribution is covered by the same copyright terms
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14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
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16 * Copyright remains Eric Young's, and as such any Copyright notices in
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17 * the code are not to be removed.
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18 * If this package is used in a product, Eric Young should be given attribution
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19 * as the author of the parts of the library used.
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20 * This can be in the form of a textual message at program startup or
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21 * in documentation (online or textual) provided with the package.
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23 * Redistribution and use in source and binary forms, with or without
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24 * modification, are permitted provided that the following conditions
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26 * 1. Redistributions of source code must retain the copyright
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27 * notice, this list of conditions and the following disclaimer.
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28 * 2. Redistributions in binary form must reproduce the above copyright
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29 * notice, this list of conditions and the following disclaimer in the
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30 * documentation and/or other materials provided with the distribution.
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31 * 3. All advertising materials mentioning features or use of this software
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32 * must display the following acknowledgement:
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33 * "This product includes cryptographic software written by
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34 * Eric Young (eay@cryptsoft.com)"
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35 * The word 'cryptographic' can be left out if the rouines from the library
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36 * being used are not cryptographic related :-).
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37 * 4. If you include any Windows specific code (or a derivative thereof) from
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38 * the apps directory (application code) you must include an acknowledgement:
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39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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53 * The licence and distribution terms for any publically available version or
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54 * derivative of this code cannot be changed. i.e. this code cannot simply be
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55 * copied and put under another distribution licence
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56 * [including the GNU Public Licence.]
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59 #ifndef HEADER_SSL2_H
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60 #define HEADER_SSL2_H
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66 /* Protocol Version Codes */
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67 #define SSL2_VERSION 0x0002
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68 #define SSL2_VERSION_MAJOR 0x00
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69 #define SSL2_VERSION_MINOR 0x02
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70 /* #define SSL2_CLIENT_VERSION 0x0002 */
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71 /* #define SSL2_SERVER_VERSION 0x0002 */
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73 /* Protocol Message Codes */
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74 #define SSL2_MT_ERROR 0
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75 #define SSL2_MT_CLIENT_HELLO 1
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76 #define SSL2_MT_CLIENT_MASTER_KEY 2
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77 #define SSL2_MT_CLIENT_FINISHED 3
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78 #define SSL2_MT_SERVER_HELLO 4
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79 #define SSL2_MT_SERVER_VERIFY 5
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80 #define SSL2_MT_SERVER_FINISHED 6
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81 #define SSL2_MT_REQUEST_CERTIFICATE 7
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82 #define SSL2_MT_CLIENT_CERTIFICATE 8
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84 /* Error Message Codes */
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85 #define SSL2_PE_UNDEFINED_ERROR 0x0000
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86 #define SSL2_PE_NO_CIPHER 0x0001
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87 #define SSL2_PE_NO_CERTIFICATE 0x0002
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88 #define SSL2_PE_BAD_CERTIFICATE 0x0004
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89 #define SSL2_PE_UNSUPPORTED_CERTIFICATE_TYPE 0x0006
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91 /* Cipher Kind Values */
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92 #define SSL2_CK_NULL_WITH_MD5 0x02000000 /* v3 */
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93 #define SSL2_CK_RC4_128_WITH_MD5 0x02010080
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94 #define SSL2_CK_RC4_128_EXPORT40_WITH_MD5 0x02020080
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95 #define SSL2_CK_RC2_128_CBC_WITH_MD5 0x02030080
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96 #define SSL2_CK_RC2_128_CBC_EXPORT40_WITH_MD5 0x02040080
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97 #define SSL2_CK_IDEA_128_CBC_WITH_MD5 0x02050080
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98 #define SSL2_CK_DES_64_CBC_WITH_MD5 0x02060040
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99 #define SSL2_CK_DES_64_CBC_WITH_SHA 0x02060140 /* v3 */
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100 #define SSL2_CK_DES_192_EDE3_CBC_WITH_MD5 0x020700c0
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101 #define SSL2_CK_DES_192_EDE3_CBC_WITH_SHA 0x020701c0 /* v3 */
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102 #define SSL2_CK_RC4_64_WITH_MD5 0x02080080 /* MS hack */
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104 #define SSL2_CK_DES_64_CFB64_WITH_MD5_1 0x02ff0800 /* SSLeay */
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105 #define SSL2_CK_NULL 0x02ff0810 /* SSLeay */
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107 #define SSL2_TXT_DES_64_CFB64_WITH_MD5_1 "DES-CFB-M1"
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108 #define SSL2_TXT_NULL_WITH_MD5 "NULL-MD5"
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109 #define SSL2_TXT_RC4_128_WITH_MD5 "RC4-MD5"
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110 #define SSL2_TXT_RC4_128_EXPORT40_WITH_MD5 "EXP-RC4-MD5"
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111 #define SSL2_TXT_RC2_128_CBC_WITH_MD5 "RC2-CBC-MD5"
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112 #define SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5 "EXP-RC2-CBC-MD5"
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113 #define SSL2_TXT_IDEA_128_CBC_WITH_MD5 "IDEA-CBC-MD5"
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114 #define SSL2_TXT_DES_64_CBC_WITH_MD5 "DES-CBC-MD5"
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115 #define SSL2_TXT_DES_64_CBC_WITH_SHA "DES-CBC-SHA"
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116 #define SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5 "DES-CBC3-MD5"
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117 #define SSL2_TXT_DES_192_EDE3_CBC_WITH_SHA "DES-CBC3-SHA"
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118 #define SSL2_TXT_RC4_64_WITH_MD5 "RC4-64-MD5"
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120 #define SSL2_TXT_NULL "NULL"
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122 /* Flags for the SSL_CIPHER.algorithm2 field */
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123 #define SSL2_CF_5_BYTE_ENC 0x01
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124 #define SSL2_CF_8_BYTE_ENC 0x02
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126 /* Certificate Type Codes */
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127 #define SSL2_CT_X509_CERTIFICATE 0x01
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129 /* Authentication Type Code */
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130 #define SSL2_AT_MD5_WITH_RSA_ENCRYPTION 0x01
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132 #define SSL2_MAX_SSL_SESSION_ID_LENGTH 32
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134 /* Upper/Lower Bounds */
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135 #define SSL2_MAX_MASTER_KEY_LENGTH_IN_BITS 256
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136 #ifdef OPENSSL_SYS_MPE
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137 #define SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER 29998u
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139 #define SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER 32767u /* 2^15-1 */
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141 #define SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER 16383 /* 2^14-1 */
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143 #define SSL2_CHALLENGE_LENGTH 16
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144 /*#define SSL2_CHALLENGE_LENGTH 32 */
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145 #define SSL2_MIN_CHALLENGE_LENGTH 16
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146 #define SSL2_MAX_CHALLENGE_LENGTH 32
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147 #define SSL2_CONNECTION_ID_LENGTH 16
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148 #define SSL2_MAX_CONNECTION_ID_LENGTH 16
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149 #define SSL2_SSL_SESSION_ID_LENGTH 16
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150 #define SSL2_MAX_CERT_CHALLENGE_LENGTH 32
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151 #define SSL2_MIN_CERT_CHALLENGE_LENGTH 16
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152 #define SSL2_MAX_KEY_MATERIAL_LENGTH 24
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154 #ifndef HEADER_SSL_LOCL_H
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158 typedef struct ssl2_state_st
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160 int three_byte_header;
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161 int clear_text; /* clear text */
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162 int escape; /* not used in SSLv2 */
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163 int ssl2_rollback; /* used if SSLv23 rolled back to SSLv2 */
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165 /* non-blocking io info, used to make sure the same
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166 * args were passwd */
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167 unsigned int wnum; /* number of bytes sent so far */
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169 const unsigned char *wpend_buf;
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171 int wpend_off; /* offset to data to write */
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172 int wpend_len; /* number of bytes passwd to write */
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173 int wpend_ret; /* number of bytes to return to caller */
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175 /* buffer raw data */
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178 unsigned char *rbuf;
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179 unsigned char *wbuf;
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181 unsigned char *write_ptr;/* used to point to the start due to
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182 * 2/3 byte header. */
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184 unsigned int padding;
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185 unsigned int rlength; /* passed to ssl2_enc */
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186 int ract_data_length; /* Set when things are encrypted. */
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187 unsigned int wlength; /* passed to ssl2_enc */
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188 int wact_data_length; /* Set when things are decrypted. */
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189 unsigned char *ract_data;
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190 unsigned char *wact_data;
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191 unsigned char *mac_data;
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193 unsigned char *read_key;
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194 unsigned char *write_key;
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196 /* Stuff specifically to do with this SSL session */
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197 unsigned int challenge_length;
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198 unsigned char challenge[SSL2_MAX_CHALLENGE_LENGTH];
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199 unsigned int conn_id_length;
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200 unsigned char conn_id[SSL2_MAX_CONNECTION_ID_LENGTH];
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201 unsigned int key_material_length;
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202 unsigned char key_material[SSL2_MAX_KEY_MATERIAL_LENGTH*2];
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204 unsigned long read_sequence;
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205 unsigned long write_sequence;
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208 unsigned int conn_id_length;
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209 unsigned int cert_type;
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210 unsigned int cert_length;
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212 unsigned int clear;
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214 unsigned char ccl[SSL2_MAX_CERT_CHALLENGE_LENGTH];
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215 unsigned int cipher_spec_length;
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216 unsigned int session_id_length;
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224 #define SSL2_ST_SEND_CLIENT_HELLO_A (0x10|SSL_ST_CONNECT)
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225 #define SSL2_ST_SEND_CLIENT_HELLO_B (0x11|SSL_ST_CONNECT)
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226 #define SSL2_ST_GET_SERVER_HELLO_A (0x20|SSL_ST_CONNECT)
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227 #define SSL2_ST_GET_SERVER_HELLO_B (0x21|SSL_ST_CONNECT)
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228 #define SSL2_ST_SEND_CLIENT_MASTER_KEY_A (0x30|SSL_ST_CONNECT)
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229 #define SSL2_ST_SEND_CLIENT_MASTER_KEY_B (0x31|SSL_ST_CONNECT)
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230 #define SSL2_ST_SEND_CLIENT_FINISHED_A (0x40|SSL_ST_CONNECT)
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231 #define SSL2_ST_SEND_CLIENT_FINISHED_B (0x41|SSL_ST_CONNECT)
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232 #define SSL2_ST_SEND_CLIENT_CERTIFICATE_A (0x50|SSL_ST_CONNECT)
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233 #define SSL2_ST_SEND_CLIENT_CERTIFICATE_B (0x51|SSL_ST_CONNECT)
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234 #define SSL2_ST_SEND_CLIENT_CERTIFICATE_C (0x52|SSL_ST_CONNECT)
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235 #define SSL2_ST_SEND_CLIENT_CERTIFICATE_D (0x53|SSL_ST_CONNECT)
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236 #define SSL2_ST_GET_SERVER_VERIFY_A (0x60|SSL_ST_CONNECT)
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237 #define SSL2_ST_GET_SERVER_VERIFY_B (0x61|SSL_ST_CONNECT)
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238 #define SSL2_ST_GET_SERVER_FINISHED_A (0x70|SSL_ST_CONNECT)
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239 #define SSL2_ST_GET_SERVER_FINISHED_B (0x71|SSL_ST_CONNECT)
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240 #define SSL2_ST_CLIENT_START_ENCRYPTION (0x80|SSL_ST_CONNECT)
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241 #define SSL2_ST_X509_GET_CLIENT_CERTIFICATE (0x90|SSL_ST_CONNECT)
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243 #define SSL2_ST_GET_CLIENT_HELLO_A (0x10|SSL_ST_ACCEPT)
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244 #define SSL2_ST_GET_CLIENT_HELLO_B (0x11|SSL_ST_ACCEPT)
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245 #define SSL2_ST_GET_CLIENT_HELLO_C (0x12|SSL_ST_ACCEPT)
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246 #define SSL2_ST_SEND_SERVER_HELLO_A (0x20|SSL_ST_ACCEPT)
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247 #define SSL2_ST_SEND_SERVER_HELLO_B (0x21|SSL_ST_ACCEPT)
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248 #define SSL2_ST_GET_CLIENT_MASTER_KEY_A (0x30|SSL_ST_ACCEPT)
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249 #define SSL2_ST_GET_CLIENT_MASTER_KEY_B (0x31|SSL_ST_ACCEPT)
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250 #define SSL2_ST_SEND_SERVER_VERIFY_A (0x40|SSL_ST_ACCEPT)
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251 #define SSL2_ST_SEND_SERVER_VERIFY_B (0x41|SSL_ST_ACCEPT)
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252 #define SSL2_ST_SEND_SERVER_VERIFY_C (0x42|SSL_ST_ACCEPT)
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253 #define SSL2_ST_GET_CLIENT_FINISHED_A (0x50|SSL_ST_ACCEPT)
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254 #define SSL2_ST_GET_CLIENT_FINISHED_B (0x51|SSL_ST_ACCEPT)
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255 #define SSL2_ST_SEND_SERVER_FINISHED_A (0x60|SSL_ST_ACCEPT)
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256 #define SSL2_ST_SEND_SERVER_FINISHED_B (0x61|SSL_ST_ACCEPT)
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257 #define SSL2_ST_SEND_REQUEST_CERTIFICATE_A (0x70|SSL_ST_ACCEPT)
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258 #define SSL2_ST_SEND_REQUEST_CERTIFICATE_B (0x71|SSL_ST_ACCEPT)
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259 #define SSL2_ST_SEND_REQUEST_CERTIFICATE_C (0x72|SSL_ST_ACCEPT)
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260 #define SSL2_ST_SEND_REQUEST_CERTIFICATE_D (0x73|SSL_ST_ACCEPT)
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261 #define SSL2_ST_SERVER_START_ENCRYPTION (0x80|SSL_ST_ACCEPT)
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262 #define SSL2_ST_X509_GET_SERVER_CERTIFICATE (0x90|SSL_ST_ACCEPT)
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