155714Skris/* ssl/ssl2.h */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 8280304Sjkim * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15280304Sjkim * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 22280304Sjkim * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 37280304Sjkim * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40280304Sjkim * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 52280304Sjkim * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 59280304Sjkim#ifndef HEADER_SSL2_H 60280304Sjkim# define HEADER_SSL2_H 6155714Skris 6255714Skris#ifdef __cplusplus 6355714Skrisextern "C" { 6455714Skris#endif 6555714Skris 6655714Skris/* Protocol Version Codes */ 67280304Sjkim# define SSL2_VERSION 0x0002 68280304Sjkim# define SSL2_VERSION_MAJOR 0x00 69280304Sjkim# define SSL2_VERSION_MINOR 0x02 70280304Sjkim/* #define SSL2_CLIENT_VERSION 0x0002 */ 71280304Sjkim/* #define SSL2_SERVER_VERSION 0x0002 */ 7255714Skris 7355714Skris/* Protocol Message Codes */ 74280304Sjkim# define SSL2_MT_ERROR 0 75280304Sjkim# define SSL2_MT_CLIENT_HELLO 1 76280304Sjkim# define SSL2_MT_CLIENT_MASTER_KEY 2 77280304Sjkim# define SSL2_MT_CLIENT_FINISHED 3 78280304Sjkim# define SSL2_MT_SERVER_HELLO 4 79280304Sjkim# define SSL2_MT_SERVER_VERIFY 5 80280304Sjkim# define SSL2_MT_SERVER_FINISHED 6 81280304Sjkim# define SSL2_MT_REQUEST_CERTIFICATE 7 82280304Sjkim# define SSL2_MT_CLIENT_CERTIFICATE 8 8355714Skris 8455714Skris/* Error Message Codes */ 85280304Sjkim# define SSL2_PE_UNDEFINED_ERROR 0x0000 86280304Sjkim# define SSL2_PE_NO_CIPHER 0x0001 87280304Sjkim# define SSL2_PE_NO_CERTIFICATE 0x0002 88280304Sjkim# define SSL2_PE_BAD_CERTIFICATE 0x0004 89280304Sjkim# define SSL2_PE_UNSUPPORTED_CERTIFICATE_TYPE 0x0006 9055714Skris 9155714Skris/* Cipher Kind Values */ 92280304Sjkim# define SSL2_CK_NULL_WITH_MD5 0x02000000/* v3 */ 93280304Sjkim# define SSL2_CK_RC4_128_WITH_MD5 0x02010080 94280304Sjkim# define SSL2_CK_RC4_128_EXPORT40_WITH_MD5 0x02020080 95280304Sjkim# define SSL2_CK_RC2_128_CBC_WITH_MD5 0x02030080 96280304Sjkim# define SSL2_CK_RC2_128_CBC_EXPORT40_WITH_MD5 0x02040080 97280304Sjkim# define SSL2_CK_IDEA_128_CBC_WITH_MD5 0x02050080 98280304Sjkim# define SSL2_CK_DES_64_CBC_WITH_MD5 0x02060040 99280304Sjkim# define SSL2_CK_DES_64_CBC_WITH_SHA 0x02060140/* v3 */ 100280304Sjkim# define SSL2_CK_DES_192_EDE3_CBC_WITH_MD5 0x020700c0 101280304Sjkim# define SSL2_CK_DES_192_EDE3_CBC_WITH_SHA 0x020701c0/* v3 */ 102280304Sjkim# define SSL2_CK_RC4_64_WITH_MD5 0x02080080/* MS hack */ 10355714Skris 104280304Sjkim# define SSL2_CK_DES_64_CFB64_WITH_MD5_1 0x02ff0800/* SSLeay */ 105280304Sjkim# define SSL2_CK_NULL 0x02ff0810/* SSLeay */ 10655714Skris 107280304Sjkim# define SSL2_TXT_DES_64_CFB64_WITH_MD5_1 "DES-CFB-M1" 108280304Sjkim# define SSL2_TXT_NULL_WITH_MD5 "NULL-MD5" 109280304Sjkim# define SSL2_TXT_RC4_128_WITH_MD5 "RC4-MD5" 110280304Sjkim# define SSL2_TXT_RC4_128_EXPORT40_WITH_MD5 "EXP-RC4-MD5" 111280304Sjkim# define SSL2_TXT_RC2_128_CBC_WITH_MD5 "RC2-CBC-MD5" 112280304Sjkim# define SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5 "EXP-RC2-CBC-MD5" 113280304Sjkim# define SSL2_TXT_IDEA_128_CBC_WITH_MD5 "IDEA-CBC-MD5" 114280304Sjkim# define SSL2_TXT_DES_64_CBC_WITH_MD5 "DES-CBC-MD5" 115280304Sjkim# define SSL2_TXT_DES_64_CBC_WITH_SHA "DES-CBC-SHA" 116280304Sjkim# define SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5 "DES-CBC3-MD5" 117280304Sjkim# define SSL2_TXT_DES_192_EDE3_CBC_WITH_SHA "DES-CBC3-SHA" 118280304Sjkim# define SSL2_TXT_RC4_64_WITH_MD5 "RC4-64-MD5" 11955714Skris 120280304Sjkim# define SSL2_TXT_NULL "NULL" 121280304Sjkim 12255714Skris/* Flags for the SSL_CIPHER.algorithm2 field */ 123280304Sjkim# define SSL2_CF_5_BYTE_ENC 0x01 124280304Sjkim# define SSL2_CF_8_BYTE_ENC 0x02 12555714Skris 12655714Skris/* Certificate Type Codes */ 127280304Sjkim# define SSL2_CT_X509_CERTIFICATE 0x01 12855714Skris 12955714Skris/* Authentication Type Code */ 130280304Sjkim# define SSL2_AT_MD5_WITH_RSA_ENCRYPTION 0x01 13155714Skris 132280304Sjkim# define SSL2_MAX_SSL_SESSION_ID_LENGTH 32 13355714Skris 13455714Skris/* Upper/Lower Bounds */ 135280304Sjkim# define SSL2_MAX_MASTER_KEY_LENGTH_IN_BITS 256 136280304Sjkim# ifdef OPENSSL_SYS_MPE 137280304Sjkim# define SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER 29998u 138280304Sjkim# else 139280304Sjkim# define SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER 32767u 140280304Sjkim /* 2^15-1 */ 141280304Sjkim# endif 142280304Sjkim# define SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER 16383/* 2^14-1 */ 14355714Skris 144280304Sjkim# define SSL2_CHALLENGE_LENGTH 16 145280304Sjkim/* 146280304Sjkim * #define SSL2_CHALLENGE_LENGTH 32 147280304Sjkim */ 148280304Sjkim# define SSL2_MIN_CHALLENGE_LENGTH 16 149280304Sjkim# define SSL2_MAX_CHALLENGE_LENGTH 32 150280304Sjkim# define SSL2_CONNECTION_ID_LENGTH 16 151280304Sjkim# define SSL2_MAX_CONNECTION_ID_LENGTH 16 152280304Sjkim# define SSL2_SSL_SESSION_ID_LENGTH 16 153280304Sjkim# define SSL2_MAX_CERT_CHALLENGE_LENGTH 32 154280304Sjkim# define SSL2_MIN_CERT_CHALLENGE_LENGTH 16 155280304Sjkim# define SSL2_MAX_KEY_MATERIAL_LENGTH 24 15655714Skris 157280304Sjkim# ifndef HEADER_SSL_LOCL_H 158280304Sjkim# define CERT char 159280304Sjkim# endif 16055714Skris 161280304Sjkim# ifndef OPENSSL_NO_SSL_INTERN 162238405Sjkim 163280304Sjkimtypedef struct ssl2_state_st { 164280304Sjkim int three_byte_header; 165280304Sjkim int clear_text; /* clear text */ 166280304Sjkim int escape; /* not used in SSLv2 */ 167280304Sjkim int ssl2_rollback; /* used if SSLv23 rolled back to SSLv2 */ 168280304Sjkim /* 169280304Sjkim * non-blocking io info, used to make sure the same args were passwd 170280304Sjkim */ 171280304Sjkim unsigned int wnum; /* number of bytes sent so far */ 172280304Sjkim int wpend_tot; 173280304Sjkim const unsigned char *wpend_buf; 174280304Sjkim int wpend_off; /* offset to data to write */ 175280304Sjkim int wpend_len; /* number of bytes passwd to write */ 176280304Sjkim int wpend_ret; /* number of bytes to return to caller */ 177280304Sjkim /* buffer raw data */ 178280304Sjkim int rbuf_left; 179280304Sjkim int rbuf_offs; 180280304Sjkim unsigned char *rbuf; 181280304Sjkim unsigned char *wbuf; 182280304Sjkim unsigned char *write_ptr; /* used to point to the start due to 2/3 byte 183280304Sjkim * header. */ 184280304Sjkim unsigned int padding; 185280304Sjkim unsigned int rlength; /* passed to ssl2_enc */ 186280304Sjkim int ract_data_length; /* Set when things are encrypted. */ 187280304Sjkim unsigned int wlength; /* passed to ssl2_enc */ 188280304Sjkim int wact_data_length; /* Set when things are decrypted. */ 189280304Sjkim unsigned char *ract_data; 190280304Sjkim unsigned char *wact_data; 191280304Sjkim unsigned char *mac_data; 192280304Sjkim unsigned char *read_key; 193280304Sjkim unsigned char *write_key; 194280304Sjkim /* Stuff specifically to do with this SSL session */ 195280304Sjkim unsigned int challenge_length; 196280304Sjkim unsigned char challenge[SSL2_MAX_CHALLENGE_LENGTH]; 197280304Sjkim unsigned int conn_id_length; 198280304Sjkim unsigned char conn_id[SSL2_MAX_CONNECTION_ID_LENGTH]; 199280304Sjkim unsigned int key_material_length; 200280304Sjkim unsigned char key_material[SSL2_MAX_KEY_MATERIAL_LENGTH * 2]; 201280304Sjkim unsigned long read_sequence; 202280304Sjkim unsigned long write_sequence; 203280304Sjkim struct { 204280304Sjkim unsigned int conn_id_length; 205280304Sjkim unsigned int cert_type; 206280304Sjkim unsigned int cert_length; 207280304Sjkim unsigned int csl; 208280304Sjkim unsigned int clear; 209280304Sjkim unsigned int enc; 210280304Sjkim unsigned char ccl[SSL2_MAX_CERT_CHALLENGE_LENGTH]; 211280304Sjkim unsigned int cipher_spec_length; 212280304Sjkim unsigned int session_id_length; 213280304Sjkim unsigned int clen; 214280304Sjkim unsigned int rlen; 215280304Sjkim } tmp; 216280304Sjkim} SSL2_STATE; 21755714Skris 218280304Sjkim# endif 21955714Skris 22055714Skris/* SSLv2 */ 22155714Skris/* client */ 222280304Sjkim# define SSL2_ST_SEND_CLIENT_HELLO_A (0x10|SSL_ST_CONNECT) 223280304Sjkim# define SSL2_ST_SEND_CLIENT_HELLO_B (0x11|SSL_ST_CONNECT) 224280304Sjkim# define SSL2_ST_GET_SERVER_HELLO_A (0x20|SSL_ST_CONNECT) 225280304Sjkim# define SSL2_ST_GET_SERVER_HELLO_B (0x21|SSL_ST_CONNECT) 226280304Sjkim# define SSL2_ST_SEND_CLIENT_MASTER_KEY_A (0x30|SSL_ST_CONNECT) 227280304Sjkim# define SSL2_ST_SEND_CLIENT_MASTER_KEY_B (0x31|SSL_ST_CONNECT) 228280304Sjkim# define SSL2_ST_SEND_CLIENT_FINISHED_A (0x40|SSL_ST_CONNECT) 229280304Sjkim# define SSL2_ST_SEND_CLIENT_FINISHED_B (0x41|SSL_ST_CONNECT) 230280304Sjkim# define SSL2_ST_SEND_CLIENT_CERTIFICATE_A (0x50|SSL_ST_CONNECT) 231280304Sjkim# define SSL2_ST_SEND_CLIENT_CERTIFICATE_B (0x51|SSL_ST_CONNECT) 232280304Sjkim# define SSL2_ST_SEND_CLIENT_CERTIFICATE_C (0x52|SSL_ST_CONNECT) 233280304Sjkim# define SSL2_ST_SEND_CLIENT_CERTIFICATE_D (0x53|SSL_ST_CONNECT) 234280304Sjkim# define SSL2_ST_GET_SERVER_VERIFY_A (0x60|SSL_ST_CONNECT) 235280304Sjkim# define SSL2_ST_GET_SERVER_VERIFY_B (0x61|SSL_ST_CONNECT) 236280304Sjkim# define SSL2_ST_GET_SERVER_FINISHED_A (0x70|SSL_ST_CONNECT) 237280304Sjkim# define SSL2_ST_GET_SERVER_FINISHED_B (0x71|SSL_ST_CONNECT) 238280304Sjkim# define SSL2_ST_CLIENT_START_ENCRYPTION (0x80|SSL_ST_CONNECT) 239280304Sjkim# define SSL2_ST_X509_GET_CLIENT_CERTIFICATE (0x90|SSL_ST_CONNECT) 24055714Skris/* server */ 241280304Sjkim# define SSL2_ST_GET_CLIENT_HELLO_A (0x10|SSL_ST_ACCEPT) 242280304Sjkim# define SSL2_ST_GET_CLIENT_HELLO_B (0x11|SSL_ST_ACCEPT) 243280304Sjkim# define SSL2_ST_GET_CLIENT_HELLO_C (0x12|SSL_ST_ACCEPT) 244280304Sjkim# define SSL2_ST_SEND_SERVER_HELLO_A (0x20|SSL_ST_ACCEPT) 245280304Sjkim# define SSL2_ST_SEND_SERVER_HELLO_B (0x21|SSL_ST_ACCEPT) 246280304Sjkim# define SSL2_ST_GET_CLIENT_MASTER_KEY_A (0x30|SSL_ST_ACCEPT) 247280304Sjkim# define SSL2_ST_GET_CLIENT_MASTER_KEY_B (0x31|SSL_ST_ACCEPT) 248280304Sjkim# define SSL2_ST_SEND_SERVER_VERIFY_A (0x40|SSL_ST_ACCEPT) 249280304Sjkim# define SSL2_ST_SEND_SERVER_VERIFY_B (0x41|SSL_ST_ACCEPT) 250280304Sjkim# define SSL2_ST_SEND_SERVER_VERIFY_C (0x42|SSL_ST_ACCEPT) 251280304Sjkim# define SSL2_ST_GET_CLIENT_FINISHED_A (0x50|SSL_ST_ACCEPT) 252280304Sjkim# define SSL2_ST_GET_CLIENT_FINISHED_B (0x51|SSL_ST_ACCEPT) 253280304Sjkim# define SSL2_ST_SEND_SERVER_FINISHED_A (0x60|SSL_ST_ACCEPT) 254280304Sjkim# define SSL2_ST_SEND_SERVER_FINISHED_B (0x61|SSL_ST_ACCEPT) 255280304Sjkim# define SSL2_ST_SEND_REQUEST_CERTIFICATE_A (0x70|SSL_ST_ACCEPT) 256280304Sjkim# define SSL2_ST_SEND_REQUEST_CERTIFICATE_B (0x71|SSL_ST_ACCEPT) 257280304Sjkim# define SSL2_ST_SEND_REQUEST_CERTIFICATE_C (0x72|SSL_ST_ACCEPT) 258280304Sjkim# define SSL2_ST_SEND_REQUEST_CERTIFICATE_D (0x73|SSL_ST_ACCEPT) 259280304Sjkim# define SSL2_ST_SERVER_START_ENCRYPTION (0x80|SSL_ST_ACCEPT) 260280304Sjkim# define SSL2_ST_X509_GET_SERVER_CERTIFICATE (0x90|SSL_ST_ACCEPT) 26155714Skris 26255714Skris#ifdef __cplusplus 26355714Skris} 26455714Skris#endif 26555714Skris#endif 266