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openssl/ssl/ssl2.h
Ben Laurie 61f5b6f338 Work with -pedantic!
1999-04-23 15:01:15 +00:00

266 lines
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C
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/* ssl/ssl2.h */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#ifndef HEADER_SSL2_H
#define HEADER_SSL2_H
#ifdef __cplusplus
extern "C" {
#endif
/* Protocol Version Codes */
#define SSL2_VERSION 0x0002
#define SSL2_VERSION_MAJOR 0x00
#define SSL2_VERSION_MINOR 0x02
/* #define SSL2_CLIENT_VERSION 0x0002 */
/* #define SSL2_SERVER_VERSION 0x0002 */
/* Protocol Message Codes */
#define SSL2_MT_ERROR 0
#define SSL2_MT_CLIENT_HELLO 1
#define SSL2_MT_CLIENT_MASTER_KEY 2
#define SSL2_MT_CLIENT_FINISHED 3
#define SSL2_MT_SERVER_HELLO 4
#define SSL2_MT_SERVER_VERIFY 5
#define SSL2_MT_SERVER_FINISHED 6
#define SSL2_MT_REQUEST_CERTIFICATE 7
#define SSL2_MT_CLIENT_CERTIFICATE 8
/* Error Message Codes */
#define SSL2_PE_UNDEFINED_ERROR 0x0000
#define SSL2_PE_NO_CIPHER 0x0001
#define SSL2_PE_NO_CERTIFICATE 0x0002
#define SSL2_PE_BAD_CERTIFICATE 0x0004
#define SSL2_PE_UNSUPPORTED_CERTIFICATE_TYPE 0x0006
/* Cipher Kind Values */
#define SSL2_CK_NULL_WITH_MD5 0x02000000 /* v3 */
#define SSL2_CK_RC4_128_WITH_MD5 0x02010080
#define SSL2_CK_RC4_128_EXPORT40_WITH_MD5 0x02020080
#define SSL2_CK_RC2_128_CBC_WITH_MD5 0x02030080
#define SSL2_CK_RC2_128_CBC_EXPORT40_WITH_MD5 0x02040080
#define SSL2_CK_IDEA_128_CBC_WITH_MD5 0x02050080
#define SSL2_CK_DES_64_CBC_WITH_MD5 0x02060040
#define SSL2_CK_DES_64_CBC_WITH_SHA 0x02060140 /* v3 */
#define SSL2_CK_DES_192_EDE3_CBC_WITH_MD5 0x020700c0
#define SSL2_CK_DES_192_EDE3_CBC_WITH_SHA 0x020701c0 /* v3 */
#define SSL2_CK_RC4_64_WITH_MD5 0x02080080 /* MS hack */
#define SSL2_CK_DES_64_CFB64_WITH_MD5_1 0x02ff0800 /* SSLeay */
#define SSL2_CK_NULL 0x02ff0810 /* SSLeay */
#define SSL2_TXT_DES_64_CFB64_WITH_MD5_1 "DES-CFB-M1"
#define SSL2_TXT_NULL_WITH_MD5 "NULL-MD5"
#define SSL2_TXT_RC4_128_WITH_MD5 "RC4-MD5"
#define SSL2_TXT_RC4_128_EXPORT40_WITH_MD5 "EXP-RC4-MD5"
#define SSL2_TXT_RC2_128_CBC_WITH_MD5 "RC2-CBC-MD5"
#define SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5 "EXP-RC2-CBC-MD5"
#define SSL2_TXT_IDEA_128_CBC_WITH_MD5 "IDEA-CBC-MD5"
#define SSL2_TXT_DES_64_CBC_WITH_MD5 "DES-CBC-MD5"
#define SSL2_TXT_DES_64_CBC_WITH_SHA "DES-CBC-SHA"
#define SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5 "DES-CBC3-MD5"
#define SSL2_TXT_DES_192_EDE3_CBC_WITH_SHA "DES-CBC3-SHA"
#define SSL2_TXT_RC4_64_WITH_MD5 "RC4-64-MD5"
#define SSL2_TXT_NULL "NULL"
/* Flags for the SSL_CIPHER.algorithm2 field */
#define SSL2_CF_5_BYTE_ENC 0x01
#define SSL2_CF_8_BYTE_ENC 0x02
/* Certificate Type Codes */
#define SSL2_CT_X509_CERTIFICATE 0x01
/* Authentication Type Code */
#define SSL2_AT_MD5_WITH_RSA_ENCRYPTION 0x01
#define SSL2_MAX_SSL_SESSION_ID_LENGTH 32
/* Upper/Lower Bounds */
#define SSL2_MAX_MASTER_KEY_LENGTH_IN_BITS 256
#define SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER (unsigned int)32767
#define SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER 16383 /**/
#define SSL2_CHALLENGE_LENGTH 16
/*#define SSL2_CHALLENGE_LENGTH 32 */
#define SSL2_MIN_CHALLENGE_LENGTH 16
#define SSL2_MAX_CHALLENGE_LENGTH 32
#define SSL2_CONNECTION_ID_LENGTH 16
#define SSL2_MAX_CONNECTION_ID_LENGTH 16
#define SSL2_SSL_SESSION_ID_LENGTH 16
#define SSL2_MAX_CERT_CHALLENGE_LENGTH 32
#define SSL2_MIN_CERT_CHALLENGE_LENGTH 16
#define SSL2_MAX_KEY_MATERIAL_LENGTH 24
#ifndef HEADER_SSL_LOCL_H
#define CERT char
#endif
typedef struct ssl2_ctx_st
{
int three_byte_header;
int clear_text; /* clear text */
int escape; /* not used in SSLv2 */
int ssl2_rollback; /* used if SSLv23 rolled back to SSLv2 */
/* non-blocking io info, used to make sure the same
* args were passwd */
unsigned int wnum; /* number of bytes sent so far */
int wpend_tot;
const unsigned char *wpend_buf;
int wpend_off; /* offset to data to write */
int wpend_len; /* number of bytes passwd to write */
int wpend_ret; /* number of bytes to return to caller */
/* buffer raw data */
int rbuf_left;
int rbuf_offs;
unsigned char *rbuf;
unsigned char *wbuf;
unsigned char *write_ptr;/* used to point to the start due to
* 2/3 byte header. */
unsigned int padding;
unsigned int rlength; /* passed to ssl2_enc */
int ract_data_length; /* Set when things are encrypted. */
unsigned int wlength; /* passed to ssl2_enc */
int wact_data_length; /* Set when things are decrypted. */
unsigned char *ract_data;
unsigned char *wact_data;
unsigned char *mac_data;
unsigned char *pad_data;
unsigned char *read_key;
unsigned char *write_key;
/* Stuff specifically to do with this SSL session */
unsigned int challenge_length;
unsigned char challenge[SSL2_MAX_CHALLENGE_LENGTH];
unsigned int conn_id_length;
unsigned char conn_id[SSL2_MAX_CONNECTION_ID_LENGTH];
unsigned int key_material_length;
unsigned char key_material[SSL2_MAX_KEY_MATERIAL_LENGTH*2];
unsigned long read_sequence;
unsigned long write_sequence;
struct {
unsigned int conn_id_length;
unsigned int cert_type;
unsigned int cert_length;
int csl;
int clear;
unsigned int enc;
unsigned char ccl[SSL2_MAX_CERT_CHALLENGE_LENGTH];
int cipher_spec_length;
unsigned int session_id_length;
unsigned int clen;
unsigned int rlen;
} tmp;
} SSL2_CTX;
/* SSLv2 */
/* client */
#define SSL2_ST_SEND_CLIENT_HELLO_A (0x10|SSL_ST_CONNECT)
#define SSL2_ST_SEND_CLIENT_HELLO_B (0x11|SSL_ST_CONNECT)
#define SSL2_ST_GET_SERVER_HELLO_A (0x20|SSL_ST_CONNECT)
#define SSL2_ST_GET_SERVER_HELLO_B (0x21|SSL_ST_CONNECT)
#define SSL2_ST_SEND_CLIENT_MASTER_KEY_A (0x30|SSL_ST_CONNECT)
#define SSL2_ST_SEND_CLIENT_MASTER_KEY_B (0x31|SSL_ST_CONNECT)
#define SSL2_ST_SEND_CLIENT_FINISHED_A (0x40|SSL_ST_CONNECT)
#define SSL2_ST_SEND_CLIENT_FINISHED_B (0x41|SSL_ST_CONNECT)
#define SSL2_ST_SEND_CLIENT_CERTIFICATE_A (0x50|SSL_ST_CONNECT)
#define SSL2_ST_SEND_CLIENT_CERTIFICATE_B (0x51|SSL_ST_CONNECT)
#define SSL2_ST_SEND_CLIENT_CERTIFICATE_C (0x52|SSL_ST_CONNECT)
#define SSL2_ST_SEND_CLIENT_CERTIFICATE_D (0x53|SSL_ST_CONNECT)
#define SSL2_ST_GET_SERVER_VERIFY_A (0x60|SSL_ST_CONNECT)
#define SSL2_ST_GET_SERVER_VERIFY_B (0x61|SSL_ST_CONNECT)
#define SSL2_ST_GET_SERVER_FINISHED_A (0x70|SSL_ST_CONNECT)
#define SSL2_ST_GET_SERVER_FINISHED_B (0x71|SSL_ST_CONNECT)
#define SSL2_ST_CLIENT_START_ENCRYPTION (0x80|SSL_ST_CONNECT)
#define SSL2_ST_X509_GET_CLIENT_CERTIFICATE (0x90|SSL_ST_CONNECT)
/* server */
#define SSL2_ST_GET_CLIENT_HELLO_A (0x10|SSL_ST_ACCEPT)
#define SSL2_ST_GET_CLIENT_HELLO_B (0x11|SSL_ST_ACCEPT)
#define SSL2_ST_GET_CLIENT_HELLO_C (0x12|SSL_ST_ACCEPT)
#define SSL2_ST_SEND_SERVER_HELLO_A (0x20|SSL_ST_ACCEPT)
#define SSL2_ST_SEND_SERVER_HELLO_B (0x21|SSL_ST_ACCEPT)
#define SSL2_ST_GET_CLIENT_MASTER_KEY_A (0x30|SSL_ST_ACCEPT)
#define SSL2_ST_GET_CLIENT_MASTER_KEY_B (0x31|SSL_ST_ACCEPT)
#define SSL2_ST_SEND_SERVER_VERIFY_A (0x40|SSL_ST_ACCEPT)
#define SSL2_ST_SEND_SERVER_VERIFY_B (0x41|SSL_ST_ACCEPT)
#define SSL2_ST_SEND_SERVER_VERIFY_C (0x42|SSL_ST_ACCEPT)
#define SSL2_ST_GET_CLIENT_FINISHED_A (0x50|SSL_ST_ACCEPT)
#define SSL2_ST_GET_CLIENT_FINISHED_B (0x51|SSL_ST_ACCEPT)
#define SSL2_ST_SEND_SERVER_FINISHED_A (0x60|SSL_ST_ACCEPT)
#define SSL2_ST_SEND_SERVER_FINISHED_B (0x61|SSL_ST_ACCEPT)
#define SSL2_ST_SEND_REQUEST_CERTIFICATE_A (0x70|SSL_ST_ACCEPT)
#define SSL2_ST_SEND_REQUEST_CERTIFICATE_B (0x71|SSL_ST_ACCEPT)
#define SSL2_ST_SEND_REQUEST_CERTIFICATE_C (0x72|SSL_ST_ACCEPT)
#define SSL2_ST_SEND_REQUEST_CERTIFICATE_D (0x73|SSL_ST_ACCEPT)
#define SSL2_ST_SERVER_START_ENCRYPTION (0x80|SSL_ST_ACCEPT)
#define SSL2_ST_X509_GET_SERVER_CERTIFICATE (0x90|SSL_ST_ACCEPT)
#ifdef __cplusplus
}
#endif
#endif
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