Gecko [ sachasauda.akalacademy.ac.in ]

Name	Size	Permission
aes.h	6 KB	-rw-r--r--
asn1.h	61.84 KB	-rw-r--r--
asn1_mac.h	23.86 KB	-rw-r--r--
asn1t.h	33.67 KB	-rw-r--r--
bio.h	37.83 KB	-rw-r--r--
blowfish.h	5.23 KB	-rw-r--r--
bn.h	38.24 KB	-rw-r--r--
buffer.h	4.91 KB	-rw-r--r--
camellia.h	5.43 KB	-rw-r--r--
cast.h	4.55 KB	-rw-r--r--
cmac.h	3.18 KB	-rw-r--r--
cms.h	27.97 KB	-rw-r--r--
comp.h	2.32 KB	-rw-r--r--
conf.h	10.99 KB	-rw-r--r--
conf_api.h	4.05 KB	-rw-r--r--
crypto.h	27.45 KB	-rw-r--r--
des.h	11.49 KB	-rw-r--r--
des_old.h	20.98 KB	-rw-r--r--
dh.h	15.9 KB	-rw-r--r--
dsa.h	14.64 KB	-rw-r--r--
dso.h	19.74 KB	-rw-r--r--
dtls1.h	8.83 KB	-rw-r--r--
e_os2.h	10.69 KB	-rw-r--r--
ebcdic.h	616 B	-rw-r--r--
ec.h	50.77 KB	-rw-r--r--
ecdh.h	5.07 KB	-rw-r--r--
ecdsa.h	13.71 KB	-rw-r--r--
engine.h	43.89 KB	-rw-r--r--
err.h	16.42 KB	-rw-r--r--
evp.h	66.76 KB	-rw-r--r--
fips.h	13.31 KB	-rw-r--r--
fips_rand.h	7.16 KB	-rw-r--r--
hmac.h	4.43 KB	-rw-r--r--
idea.h	4.57 KB	-rw-r--r--
krb5_asn.h	7.97 KB	-rw-r--r--
kssl.h	6.69 KB	-rw-r--r--
lhash.h	9.33 KB	-rw-r--r--
md2.h	3.89 KB	-rw-r--r--
md4.h	4.67 KB	-rw-r--r--
md5.h	4.67 KB	-rw-r--r--
modes.h	8.46 KB	-rw-r--r--
obj_mac.h	171.54 KB	-rw-r--r--
objects.h	46.45 KB	-rw-r--r--
ocsp.h	26.51 KB	-rw-r--r--
opensslconf-x86_64.h	7.6 KB	-rw-r--r--
opensslconf.h	1.54 KB	-rw-r--r--
opensslv.h	3.85 KB	-rw-r--r--
ossl_typ.h	7.65 KB	-rw-r--r--
pem.h	25.27 KB	-rw-r--r--
pem2.h	2.79 KB	-rw-r--r--
pkcs12.h	14.5 KB	-rw-r--r--
pkcs7.h	20.29 KB	-rw-r--r--
pqueue.h	3.59 KB	-rw-r--r--
rand.h	6.73 KB	-rw-r--r--
rc2.h	4.44 KB	-rw-r--r--
rc4.h	3.72 KB	-rw-r--r--
rc5.h	4.82 KB	-rw-r--r--
ripemd.h	4.27 KB	-rw-r--r--
rsa.h	29.68 KB	-rw-r--r--
safestack.h	198.15 KB	-rw-r--r--
seed.h	5.9 KB	-rw-r--r--
sha.h	7.4 KB	-rw-r--r--
srtp.h	6.48 KB	-rw-r--r--
ssl.h	143.33 KB	-rw-r--r--
ssl2.h	11.77 KB	-rw-r--r--
ssl23.h	3.7 KB	-rw-r--r--
ssl3.h	32.5 KB	-rw-r--r--
stack.h	4.43 KB	-rw-r--r--
symhacks.h	27.04 KB	-rw-r--r--
tls1.h	38.48 KB	-rw-r--r--
ts.h	33.75 KB	-rw-r--r--
txt_db.h	4.52 KB	-rw-r--r--
ui.h	18.25 KB	-rw-r--r--
ui_compat.h	3.41 KB	-rw-r--r--
whrlpool.h	1.06 KB	-rw-r--r--
x509.h	52.07 KB	-rw-r--r--
x509_vfy.h	28.55 KB	-rw-r--r--
x509v3.h	39.44 KB	-rw-r--r--

Code Editor : dtls1.h

/* ssl/dtls1.h */
/*
 * DTLS implementation written by Nagendra Modadugu
 * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.
 */
/* ====================================================================
 * Copyright (c) 1999-2005 The OpenSSL Project.  All rights reserved.
 *
 * 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 above 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 acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    openssl-core@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED 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 OpenSSL PROJECT OR
 * ITS 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.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#ifndef HEADER_DTLS1_H
# define HEADER_DTLS1_H

# include <openssl/buffer.h>
# include <openssl/pqueue.h>
# ifdef OPENSSL_SYS_VMS
#  include <resource.h>
#  include <sys/timeb.h>
# endif
# ifdef OPENSSL_SYS_WIN32
/* Needed for struct timeval */
#  include <winsock.h>
# elif defined(OPENSSL_SYS_NETWARE) && !defined(_WINSOCK2API_)
#  include <sys/timeval.h>
# else
#  if defined(OPENSSL_SYS_VXWORKS)
#   include <sys/times.h>
#  else
#   include <sys/time.h>
#  endif
# endif

#ifdef  __cplusplus
extern "C" {
#endif

# define DTLS1_VERSION                   0xFEFF
# define DTLS1_2_VERSION                 0xFEFD
# define DTLS_MAX_VERSION                DTLS1_2_VERSION
# define DTLS1_VERSION_MAJOR             0xFE

# define DTLS1_BAD_VER                   0x0100

/* Special value for method supporting multiple versions */
# define DTLS_ANY_VERSION                0x1FFFF

# if 0
/* this alert description is not specified anywhere... */
#  define DTLS1_AD_MISSING_HANDSHAKE_MESSAGE    110
# endif

/* lengths of messages */
# define DTLS1_COOKIE_LENGTH                     256

# define DTLS1_RT_HEADER_LENGTH                  13

# define DTLS1_HM_HEADER_LENGTH                  12

# define DTLS1_HM_BAD_FRAGMENT                   -2
# define DTLS1_HM_FRAGMENT_RETRY                 -3

# define DTLS1_CCS_HEADER_LENGTH                  1

# ifdef DTLS1_AD_MISSING_HANDSHAKE_MESSAGE
#  define DTLS1_AL_HEADER_LENGTH                   7
# else
#  define DTLS1_AL_HEADER_LENGTH                   2
# endif

# ifndef OPENSSL_NO_SSL_INTERN

#  ifndef OPENSSL_NO_SCTP
#   define DTLS1_SCTP_AUTH_LABEL   "EXPORTER_DTLS_OVER_SCTP"
#  endif

/* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */
#  define DTLS1_MAX_MTU_OVERHEAD                   48

typedef struct dtls1_bitmap_st {
    unsigned long map;          /* track 32 packets on 32-bit systems and 64
                                 * - on 64-bit systems */
    unsigned char max_seq_num[8]; /* max record number seen so far, 64-bit
                                   * value in big-endian encoding */
} DTLS1_BITMAP;

struct dtls1_retransmit_state {
    EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */
    EVP_MD_CTX *write_hash;     /* used for mac generation */
#  ifndef OPENSSL_NO_COMP
    COMP_CTX *compress;         /* compression */
#  else
    char *compress;
#  endif
    SSL_SESSION *session;
    unsigned short epoch;
};

struct hm_header_st {
    unsigned char type;
    unsigned long msg_len;
    unsigned short seq;
    unsigned long frag_off;
    unsigned long frag_len;
    unsigned int is_ccs;
    struct dtls1_retransmit_state saved_retransmit_state;
};

struct ccs_header_st {
    unsigned char type;
    unsigned short seq;
};

struct dtls1_timeout_st {
    /* Number of read timeouts so far */
    unsigned int read_timeouts;
    /* Number of write timeouts so far */
    unsigned int write_timeouts;
    /* Number of alerts received so far */
    unsigned int num_alerts;
};

typedef struct record_pqueue_st {
    unsigned short epoch;
    pqueue q;
} record_pqueue;

typedef struct hm_fragment_st {
    struct hm_header_st msg_header;
    unsigned char *fragment;
    unsigned char *reassembly;
} hm_fragment;

typedef struct dtls1_state_st {
    unsigned int send_cookie;
    unsigned char cookie[DTLS1_COOKIE_LENGTH];
    unsigned char rcvd_cookie[DTLS1_COOKIE_LENGTH];
    unsigned int cookie_len;
    /*
     * The current data and handshake epoch.  This is initially
     * undefined, and starts at zero once the initial handshake is
     * completed
     */
    unsigned short r_epoch;
    unsigned short w_epoch;
    /* records being received in the current epoch */
    DTLS1_BITMAP bitmap;
    /* renegotiation starts a new set of sequence numbers */
    DTLS1_BITMAP next_bitmap;
    /* handshake message numbers */
    unsigned short handshake_write_seq;
    unsigned short next_handshake_write_seq;
    unsigned short handshake_read_seq;
    /* save last sequence number for retransmissions */
    unsigned char last_write_sequence[8];
    /* Received handshake records (processed and unprocessed) */
    record_pqueue unprocessed_rcds;
    record_pqueue processed_rcds;
    /* Buffered handshake messages */
    pqueue buffered_messages;
    /* Buffered (sent) handshake records */
    pqueue sent_messages;
    /*
     * Buffered application records. Only for records between CCS and
     * Finished to prevent either protocol violation or unnecessary message
     * loss.
     */
    record_pqueue buffered_app_data;
    unsigned int mtu;           /* max DTLS packet size */
    struct hm_header_st w_msg_hdr;
    struct hm_header_st r_msg_hdr;
    struct dtls1_timeout_st timeout;
    /*
     * Indicates when the last handshake msg or heartbeat sent will timeout
     */
    struct timeval next_timeout;
    /* Timeout duration */
    unsigned short timeout_duration;
    /*
     * storage for Alert/Handshake protocol data received but not yet
     * processed by ssl3_read_bytes:
     */
    unsigned char alert_fragment[DTLS1_AL_HEADER_LENGTH];
    unsigned int alert_fragment_len;
    unsigned char handshake_fragment[DTLS1_HM_HEADER_LENGTH];
    unsigned int handshake_fragment_len;
    unsigned int retransmitting;
    /*
     * Set when the handshake is ready to process peer's ChangeCipherSpec message.
     * Cleared after the message has been processed.
     */
    unsigned int change_cipher_spec_ok;
    /* Is set when listening for new connections with dtls1_listen() */
    unsigned int listen;
    unsigned int link_mtu;      /* max on-the-wire DTLS packet size */
#  ifndef OPENSSL_NO_SCTP
    /* used when SSL_ST_XX_FLUSH is entered */
    int next_state;
    int shutdown_received;
#  endif
} DTLS1_STATE;

typedef struct dtls1_record_data_st {
    unsigned char *packet;
    unsigned int packet_length;
    SSL3_BUFFER rbuf;
    SSL3_RECORD rrec;
#  ifndef OPENSSL_NO_SCTP
    struct bio_dgram_sctp_rcvinfo recordinfo;
#  endif
} DTLS1_RECORD_DATA;

# endif

/* Timeout multipliers (timeout slice is defined in apps/timeouts.h */
# define DTLS1_TMO_READ_COUNT                      2
# define DTLS1_TMO_WRITE_COUNT                     2

# define DTLS1_TMO_ALERT_COUNT                     12

#ifdef  __cplusplus
}
#endif
#endif

${this.title}

Code Editor : dtls1.h