Eneboo - Documentación para desarrolladores
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00001 /* ssl/ssl2.h */ 00002 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 00003 * All rights reserved. 00004 * 00005 * This package is an SSL implementation written 00006 * by Eric Young (eay@cryptsoft.com). 00007 * The implementation was written so as to conform with Netscapes SSL. 00008 * 00009 * This library is free for commercial and non-commercial use as long as 00010 * the following conditions are aheared to. The following conditions 00011 * apply to all code found in this distribution, be it the RC4, RSA, 00012 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 00013 * included with this distribution is covered by the same copyright terms 00014 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 00015 * 00016 * Copyright remains Eric Young's, and as such any Copyright notices in 00017 * the code are not to be removed. 00018 * If this package is used in a product, Eric Young should be given attribution 00019 * as the author of the parts of the library used. 00020 * This can be in the form of a textual message at program startup or 00021 * in documentation (online or textual) provided with the package. 00022 * 00023 * Redistribution and use in source and binary forms, with or without 00024 * modification, are permitted provided that the following conditions 00025 * are met: 00026 * 1. Redistributions of source code must retain the copyright 00027 * notice, this list of conditions and the following disclaimer. 00028 * 2. Redistributions in binary form must reproduce the above copyright 00029 * notice, this list of conditions and the following disclaimer in the 00030 * documentation and/or other materials provided with the distribution. 00031 * 3. All advertising materials mentioning features or use of this software 00032 * must display the following acknowledgement: 00033 * "This product includes cryptographic software written by 00034 * Eric Young (eay@cryptsoft.com)" 00035 * The word 'cryptographic' can be left out if the rouines from the library 00036 * being used are not cryptographic related :-). 00037 * 4. If you include any Windows specific code (or a derivative thereof) from 00038 * the apps directory (application code) you must include an acknowledgement: 00039 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 00040 * 00041 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 00042 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00043 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00044 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 00045 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00046 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00047 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00048 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00049 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00050 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00051 * SUCH DAMAGE. 00052 * 00053 * The licence and distribution terms for any publically available version or 00054 * derivative of this code cannot be changed. i.e. this code cannot simply be 00055 * copied and put under another distribution licence 00056 * [including the GNU Public Licence.] 00057 */ 00058 00059 #ifndef HEADER_SSL2_H 00060 #define HEADER_SSL2_H 00061 00062 #ifdef __cplusplus 00063 extern "C" { 00064 #endif 00065 00066 /* Protocol Version Codes */ 00067 #define SSL2_VERSION 0x0002 00068 #define SSL2_VERSION_MAJOR 0x00 00069 #define SSL2_VERSION_MINOR 0x02 00070 /* #define SSL2_CLIENT_VERSION 0x0002 */ 00071 /* #define SSL2_SERVER_VERSION 0x0002 */ 00072 00073 /* Protocol Message Codes */ 00074 #define SSL2_MT_ERROR 0 00075 #define SSL2_MT_CLIENT_HELLO 1 00076 #define SSL2_MT_CLIENT_MASTER_KEY 2 00077 #define SSL2_MT_CLIENT_FINISHED 3 00078 #define SSL2_MT_SERVER_HELLO 4 00079 #define SSL2_MT_SERVER_VERIFY 5 00080 #define SSL2_MT_SERVER_FINISHED 6 00081 #define SSL2_MT_REQUEST_CERTIFICATE 7 00082 #define SSL2_MT_CLIENT_CERTIFICATE 8 00083 00084 /* Error Message Codes */ 00085 #define SSL2_PE_UNDEFINED_ERROR 0x0000 00086 #define SSL2_PE_NO_CIPHER 0x0001 00087 #define SSL2_PE_NO_CERTIFICATE 0x0002 00088 #define SSL2_PE_BAD_CERTIFICATE 0x0004 00089 #define SSL2_PE_UNSUPPORTED_CERTIFICATE_TYPE 0x0006 00090 00091 /* Cipher Kind Values */ 00092 #define SSL2_CK_NULL_WITH_MD5 0x02000000 /* v3 */ 00093 #define SSL2_CK_RC4_128_WITH_MD5 0x02010080 00094 #define SSL2_CK_RC4_128_EXPORT40_WITH_MD5 0x02020080 00095 #define SSL2_CK_RC2_128_CBC_WITH_MD5 0x02030080 00096 #define SSL2_CK_RC2_128_CBC_EXPORT40_WITH_MD5 0x02040080 00097 #define SSL2_CK_IDEA_128_CBC_WITH_MD5 0x02050080 00098 #define SSL2_CK_DES_64_CBC_WITH_MD5 0x02060040 00099 #define SSL2_CK_DES_64_CBC_WITH_SHA 0x02060140 /* v3 */ 00100 #define SSL2_CK_DES_192_EDE3_CBC_WITH_MD5 0x020700c0 00101 #define SSL2_CK_DES_192_EDE3_CBC_WITH_SHA 0x020701c0 /* v3 */ 00102 #define SSL2_CK_RC4_64_WITH_MD5 0x02080080 /* MS hack */ 00103 00104 #define SSL2_CK_DES_64_CFB64_WITH_MD5_1 0x02ff0800 /* SSLeay */ 00105 #define SSL2_CK_NULL 0x02ff0810 /* SSLeay */ 00106 00107 #define SSL2_TXT_DES_64_CFB64_WITH_MD5_1 "DES-CFB-M1" 00108 #define SSL2_TXT_NULL_WITH_MD5 "NULL-MD5" 00109 #define SSL2_TXT_RC4_128_WITH_MD5 "RC4-MD5" 00110 #define SSL2_TXT_RC4_128_EXPORT40_WITH_MD5 "EXP-RC4-MD5" 00111 #define SSL2_TXT_RC2_128_CBC_WITH_MD5 "RC2-CBC-MD5" 00112 #define SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5 "EXP-RC2-CBC-MD5" 00113 #define SSL2_TXT_IDEA_128_CBC_WITH_MD5 "IDEA-CBC-MD5" 00114 #define SSL2_TXT_DES_64_CBC_WITH_MD5 "DES-CBC-MD5" 00115 #define SSL2_TXT_DES_64_CBC_WITH_SHA "DES-CBC-SHA" 00116 #define SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5 "DES-CBC3-MD5" 00117 #define SSL2_TXT_DES_192_EDE3_CBC_WITH_SHA "DES-CBC3-SHA" 00118 #define SSL2_TXT_RC4_64_WITH_MD5 "RC4-64-MD5" 00119 00120 #define SSL2_TXT_NULL "NULL" 00121 00122 /* Flags for the SSL_CIPHER.algorithm2 field */ 00123 #define SSL2_CF_5_BYTE_ENC 0x01 00124 #define SSL2_CF_8_BYTE_ENC 0x02 00125 00126 /* Certificate Type Codes */ 00127 #define SSL2_CT_X509_CERTIFICATE 0x01 00128 00129 /* Authentication Type Code */ 00130 #define SSL2_AT_MD5_WITH_RSA_ENCRYPTION 0x01 00131 00132 #define SSL2_MAX_SSL_SESSION_ID_LENGTH 32 00133 00134 /* Upper/Lower Bounds */ 00135 #define SSL2_MAX_MASTER_KEY_LENGTH_IN_BITS 256 00136 #ifdef OPENSSL_SYS_MPE 00137 #define SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER 29998u 00138 #else 00139 #define SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER 32767u /* 2^15-1 */ 00140 #endif 00141 #define SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER 16383 /* 2^14-1 */ 00142 00143 #define SSL2_CHALLENGE_LENGTH 16 00144 /*#define SSL2_CHALLENGE_LENGTH 32 */ 00145 #define SSL2_MIN_CHALLENGE_LENGTH 16 00146 #define SSL2_MAX_CHALLENGE_LENGTH 32 00147 #define SSL2_CONNECTION_ID_LENGTH 16 00148 #define SSL2_MAX_CONNECTION_ID_LENGTH 16 00149 #define SSL2_SSL_SESSION_ID_LENGTH 16 00150 #define SSL2_MAX_CERT_CHALLENGE_LENGTH 32 00151 #define SSL2_MIN_CERT_CHALLENGE_LENGTH 16 00152 #define SSL2_MAX_KEY_MATERIAL_LENGTH 24 00153 00154 #ifndef HEADER_SSL_LOCL_H 00155 #define CERT char 00156 #endif 00157 00158 typedef struct ssl2_state_st 00159 { 00160 int three_byte_header; 00161 int clear_text; /* clear text */ 00162 int escape; /* not used in SSLv2 */ 00163 int ssl2_rollback; /* used if SSLv23 rolled back to SSLv2 */ 00164 00165 /* non-blocking io info, used to make sure the same 00166 * args were passwd */ 00167 unsigned int wnum; /* number of bytes sent so far */ 00168 int wpend_tot; 00169 const unsigned char *wpend_buf; 00170 00171 int wpend_off; /* offset to data to write */ 00172 int wpend_len; /* number of bytes passwd to write */ 00173 int wpend_ret; /* number of bytes to return to caller */ 00174 00175 /* buffer raw data */ 00176 int rbuf_left; 00177 int rbuf_offs; 00178 unsigned char *rbuf; 00179 unsigned char *wbuf; 00180 00181 unsigned char *write_ptr;/* used to point to the start due to 00182 * 2/3 byte header. */ 00183 00184 unsigned int padding; 00185 unsigned int rlength; /* passed to ssl2_enc */ 00186 int ract_data_length; /* Set when things are encrypted. */ 00187 unsigned int wlength; /* passed to ssl2_enc */ 00188 int wact_data_length; /* Set when things are decrypted. */ 00189 unsigned char *ract_data; 00190 unsigned char *wact_data; 00191 unsigned char *mac_data; 00192 00193 unsigned char *read_key; 00194 unsigned char *write_key; 00195 00196 /* Stuff specifically to do with this SSL session */ 00197 unsigned int challenge_length; 00198 unsigned char challenge[SSL2_MAX_CHALLENGE_LENGTH]; 00199 unsigned int conn_id_length; 00200 unsigned char conn_id[SSL2_MAX_CONNECTION_ID_LENGTH]; 00201 unsigned int key_material_length; 00202 unsigned char key_material[SSL2_MAX_KEY_MATERIAL_LENGTH*2]; 00203 00204 unsigned long read_sequence; 00205 unsigned long write_sequence; 00206 00207 struct { 00208 unsigned int conn_id_length; 00209 unsigned int cert_type; 00210 unsigned int cert_length; 00211 unsigned int csl; 00212 unsigned int clear; 00213 unsigned int enc; 00214 unsigned char ccl[SSL2_MAX_CERT_CHALLENGE_LENGTH]; 00215 unsigned int cipher_spec_length; 00216 unsigned int session_id_length; 00217 unsigned int clen; 00218 unsigned int rlen; 00219 } tmp; 00220 } SSL2_STATE; 00221 00222 /* SSLv2 */ 00223 /* client */ 00224 #define SSL2_ST_SEND_CLIENT_HELLO_A (0x10|SSL_ST_CONNECT) 00225 #define SSL2_ST_SEND_CLIENT_HELLO_B (0x11|SSL_ST_CONNECT) 00226 #define SSL2_ST_GET_SERVER_HELLO_A (0x20|SSL_ST_CONNECT) 00227 #define SSL2_ST_GET_SERVER_HELLO_B (0x21|SSL_ST_CONNECT) 00228 #define SSL2_ST_SEND_CLIENT_MASTER_KEY_A (0x30|SSL_ST_CONNECT) 00229 #define SSL2_ST_SEND_CLIENT_MASTER_KEY_B (0x31|SSL_ST_CONNECT) 00230 #define SSL2_ST_SEND_CLIENT_FINISHED_A (0x40|SSL_ST_CONNECT) 00231 #define SSL2_ST_SEND_CLIENT_FINISHED_B (0x41|SSL_ST_CONNECT) 00232 #define SSL2_ST_SEND_CLIENT_CERTIFICATE_A (0x50|SSL_ST_CONNECT) 00233 #define SSL2_ST_SEND_CLIENT_CERTIFICATE_B (0x51|SSL_ST_CONNECT) 00234 #define SSL2_ST_SEND_CLIENT_CERTIFICATE_C (0x52|SSL_ST_CONNECT) 00235 #define SSL2_ST_SEND_CLIENT_CERTIFICATE_D (0x53|SSL_ST_CONNECT) 00236 #define SSL2_ST_GET_SERVER_VERIFY_A (0x60|SSL_ST_CONNECT) 00237 #define SSL2_ST_GET_SERVER_VERIFY_B (0x61|SSL_ST_CONNECT) 00238 #define SSL2_ST_GET_SERVER_FINISHED_A (0x70|SSL_ST_CONNECT) 00239 #define SSL2_ST_GET_SERVER_FINISHED_B (0x71|SSL_ST_CONNECT) 00240 #define SSL2_ST_CLIENT_START_ENCRYPTION (0x80|SSL_ST_CONNECT) 00241 #define SSL2_ST_X509_GET_CLIENT_CERTIFICATE (0x90|SSL_ST_CONNECT) 00242 /* server */ 00243 #define SSL2_ST_GET_CLIENT_HELLO_A (0x10|SSL_ST_ACCEPT) 00244 #define SSL2_ST_GET_CLIENT_HELLO_B (0x11|SSL_ST_ACCEPT) 00245 #define SSL2_ST_GET_CLIENT_HELLO_C (0x12|SSL_ST_ACCEPT) 00246 #define SSL2_ST_SEND_SERVER_HELLO_A (0x20|SSL_ST_ACCEPT) 00247 #define SSL2_ST_SEND_SERVER_HELLO_B (0x21|SSL_ST_ACCEPT) 00248 #define SSL2_ST_GET_CLIENT_MASTER_KEY_A (0x30|SSL_ST_ACCEPT) 00249 #define SSL2_ST_GET_CLIENT_MASTER_KEY_B (0x31|SSL_ST_ACCEPT) 00250 #define SSL2_ST_SEND_SERVER_VERIFY_A (0x40|SSL_ST_ACCEPT) 00251 #define SSL2_ST_SEND_SERVER_VERIFY_B (0x41|SSL_ST_ACCEPT) 00252 #define SSL2_ST_SEND_SERVER_VERIFY_C (0x42|SSL_ST_ACCEPT) 00253 #define SSL2_ST_GET_CLIENT_FINISHED_A (0x50|SSL_ST_ACCEPT) 00254 #define SSL2_ST_GET_CLIENT_FINISHED_B (0x51|SSL_ST_ACCEPT) 00255 #define SSL2_ST_SEND_SERVER_FINISHED_A (0x60|SSL_ST_ACCEPT) 00256 #define SSL2_ST_SEND_SERVER_FINISHED_B (0x61|SSL_ST_ACCEPT) 00257 #define SSL2_ST_SEND_REQUEST_CERTIFICATE_A (0x70|SSL_ST_ACCEPT) 00258 #define SSL2_ST_SEND_REQUEST_CERTIFICATE_B (0x71|SSL_ST_ACCEPT) 00259 #define SSL2_ST_SEND_REQUEST_CERTIFICATE_C (0x72|SSL_ST_ACCEPT) 00260 #define SSL2_ST_SEND_REQUEST_CERTIFICATE_D (0x73|SSL_ST_ACCEPT) 00261 #define SSL2_ST_SERVER_START_ENCRYPTION (0x80|SSL_ST_ACCEPT) 00262 #define SSL2_ST_X509_GET_SERVER_CERTIFICATE (0x90|SSL_ST_ACCEPT) 00263 00264 #ifdef __cplusplus 00265 } 00266 #endif 00267 #endif 00268