LTKCPP-- LLRP Toolkit C Plus Plus Library
ssl2.h
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
00140                                                        /* 2^15-1 */
00141 # endif
00142 # define SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER    16383/* 2^14-1 */
00143 
00144 # define SSL2_CHALLENGE_LENGTH   16
00145 /*
00146  * #define SSL2_CHALLENGE_LENGTH 32
00147  */
00148 # define SSL2_MIN_CHALLENGE_LENGTH       16
00149 # define SSL2_MAX_CHALLENGE_LENGTH       32
00150 # define SSL2_CONNECTION_ID_LENGTH       16
00151 # define SSL2_MAX_CONNECTION_ID_LENGTH   16
00152 # define SSL2_SSL_SESSION_ID_LENGTH      16
00153 # define SSL2_MAX_CERT_CHALLENGE_LENGTH  32
00154 # define SSL2_MIN_CERT_CHALLENGE_LENGTH  16
00155 # define SSL2_MAX_KEY_MATERIAL_LENGTH    24
00156 
00157 # ifndef HEADER_SSL_LOCL_H
00158 #  define  CERT           char
00159 # endif
00160 
00161 # ifndef OPENSSL_NO_SSL_INTERN
00162 
00163 typedef struct ssl2_state_st {
00164     int three_byte_header;
00165     int clear_text;             /* clear text */
00166     int escape;                 /* not used in SSLv2 */
00167     int ssl2_rollback;          /* used if SSLv23 rolled back to SSLv2 */
00168     /*
00169      * non-blocking io info, used to make sure the same args were passwd
00170      */
00171     unsigned int wnum;          /* number of bytes sent so far */
00172     int wpend_tot;
00173     const unsigned char *wpend_buf;
00174     int wpend_off;              /* offset to data to write */
00175     int wpend_len;              /* number of bytes passwd to write */
00176     int wpend_ret;              /* number of bytes to return to caller */
00177     /* buffer raw data */
00178     int rbuf_left;
00179     int rbuf_offs;
00180     unsigned char *rbuf;
00181     unsigned char *wbuf;
00182     unsigned char *write_ptr;   /* used to point to the start due to 2/3 byte
00183                                  * header. */
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     unsigned char *read_key;
00193     unsigned char *write_key;
00194     /* Stuff specifically to do with this SSL session */
00195     unsigned int challenge_length;
00196     unsigned char challenge[SSL2_MAX_CHALLENGE_LENGTH];
00197     unsigned int conn_id_length;
00198     unsigned char conn_id[SSL2_MAX_CONNECTION_ID_LENGTH];
00199     unsigned int key_material_length;
00200     unsigned char key_material[SSL2_MAX_KEY_MATERIAL_LENGTH * 2];
00201     unsigned long read_sequence;
00202     unsigned long write_sequence;
00203     struct {
00204         unsigned int conn_id_length;
00205         unsigned int cert_type;
00206         unsigned int cert_length;
00207         unsigned int csl;
00208         unsigned int clear;
00209         unsigned int enc;
00210         unsigned char ccl[SSL2_MAX_CERT_CHALLENGE_LENGTH];
00211         unsigned int cipher_spec_length;
00212         unsigned int session_id_length;
00213         unsigned int clen;
00214         unsigned int rlen;
00215     } tmp;
00216 } SSL2_STATE;
00217 
00218 # endif
00219 
00220 /* SSLv2 */
00221 /* client */
00222 # define SSL2_ST_SEND_CLIENT_HELLO_A             (0x10|SSL_ST_CONNECT)
00223 # define SSL2_ST_SEND_CLIENT_HELLO_B             (0x11|SSL_ST_CONNECT)
00224 # define SSL2_ST_GET_SERVER_HELLO_A              (0x20|SSL_ST_CONNECT)
00225 # define SSL2_ST_GET_SERVER_HELLO_B              (0x21|SSL_ST_CONNECT)
00226 # define SSL2_ST_SEND_CLIENT_MASTER_KEY_A        (0x30|SSL_ST_CONNECT)
00227 # define SSL2_ST_SEND_CLIENT_MASTER_KEY_B        (0x31|SSL_ST_CONNECT)
00228 # define SSL2_ST_SEND_CLIENT_FINISHED_A          (0x40|SSL_ST_CONNECT)
00229 # define SSL2_ST_SEND_CLIENT_FINISHED_B          (0x41|SSL_ST_CONNECT)
00230 # define SSL2_ST_SEND_CLIENT_CERTIFICATE_A       (0x50|SSL_ST_CONNECT)
00231 # define SSL2_ST_SEND_CLIENT_CERTIFICATE_B       (0x51|SSL_ST_CONNECT)
00232 # define SSL2_ST_SEND_CLIENT_CERTIFICATE_C       (0x52|SSL_ST_CONNECT)
00233 # define SSL2_ST_SEND_CLIENT_CERTIFICATE_D       (0x53|SSL_ST_CONNECT)
00234 # define SSL2_ST_GET_SERVER_VERIFY_A             (0x60|SSL_ST_CONNECT)
00235 # define SSL2_ST_GET_SERVER_VERIFY_B             (0x61|SSL_ST_CONNECT)
00236 # define SSL2_ST_GET_SERVER_FINISHED_A           (0x70|SSL_ST_CONNECT)
00237 # define SSL2_ST_GET_SERVER_FINISHED_B           (0x71|SSL_ST_CONNECT)
00238 # define SSL2_ST_CLIENT_START_ENCRYPTION         (0x80|SSL_ST_CONNECT)
00239 # define SSL2_ST_X509_GET_CLIENT_CERTIFICATE     (0x90|SSL_ST_CONNECT)
00240 /* server */
00241 # define SSL2_ST_GET_CLIENT_HELLO_A              (0x10|SSL_ST_ACCEPT)
00242 # define SSL2_ST_GET_CLIENT_HELLO_B              (0x11|SSL_ST_ACCEPT)
00243 # define SSL2_ST_GET_CLIENT_HELLO_C              (0x12|SSL_ST_ACCEPT)
00244 # define SSL2_ST_SEND_SERVER_HELLO_A             (0x20|SSL_ST_ACCEPT)
00245 # define SSL2_ST_SEND_SERVER_HELLO_B             (0x21|SSL_ST_ACCEPT)
00246 # define SSL2_ST_GET_CLIENT_MASTER_KEY_A         (0x30|SSL_ST_ACCEPT)
00247 # define SSL2_ST_GET_CLIENT_MASTER_KEY_B         (0x31|SSL_ST_ACCEPT)
00248 # define SSL2_ST_SEND_SERVER_VERIFY_A            (0x40|SSL_ST_ACCEPT)
00249 # define SSL2_ST_SEND_SERVER_VERIFY_B            (0x41|SSL_ST_ACCEPT)
00250 # define SSL2_ST_SEND_SERVER_VERIFY_C            (0x42|SSL_ST_ACCEPT)
00251 # define SSL2_ST_GET_CLIENT_FINISHED_A           (0x50|SSL_ST_ACCEPT)
00252 # define SSL2_ST_GET_CLIENT_FINISHED_B           (0x51|SSL_ST_ACCEPT)
00253 # define SSL2_ST_SEND_SERVER_FINISHED_A          (0x60|SSL_ST_ACCEPT)
00254 # define SSL2_ST_SEND_SERVER_FINISHED_B          (0x61|SSL_ST_ACCEPT)
00255 # define SSL2_ST_SEND_REQUEST_CERTIFICATE_A      (0x70|SSL_ST_ACCEPT)
00256 # define SSL2_ST_SEND_REQUEST_CERTIFICATE_B      (0x71|SSL_ST_ACCEPT)
00257 # define SSL2_ST_SEND_REQUEST_CERTIFICATE_C      (0x72|SSL_ST_ACCEPT)
00258 # define SSL2_ST_SEND_REQUEST_CERTIFICATE_D      (0x73|SSL_ST_ACCEPT)
00259 # define SSL2_ST_SERVER_START_ENCRYPTION         (0x80|SSL_ST_ACCEPT)
00260 # define SSL2_ST_X509_GET_SERVER_CERTIFICATE     (0x90|SSL_ST_ACCEPT)
00261 
00262 #ifdef  __cplusplus
00263 }
00264 #endif
00265 #endif