diff options
Diffstat (limited to 'ssl/ssl3.h')
-rw-r--r-- | ssl/ssl3.h | 1191 |
1 files changed, 606 insertions, 585 deletions
diff --git a/ssl/ssl3.h b/ssl/ssl3.h index 76fbc6f1c3..beaa04dff6 100644 --- a/ssl/ssl3.h +++ b/ssl/ssl3.h @@ -5,21 +5,21 @@ * 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: @@ -34,10 +34,10 @@ * 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 + * 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 @@ -49,7 +49,7 @@ * 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 @@ -63,7 +63,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -110,651 +110,672 @@ */ /* ==================================================================== * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. - * ECC cipher suite support in OpenSSL originally developed by + * ECC cipher suite support in OpenSSL originally developed by * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. */ -#ifndef HEADER_SSL3_H -#define HEADER_SSL3_H +#ifndef HEADER_SSL3_H +# define HEADER_SSL3_H -#ifndef OPENSSL_NO_COMP -#include <openssl/comp.h> -#endif -#include <openssl/buffer.h> -#include <openssl/evp.h> -#include <openssl/ssl.h> +# ifndef OPENSSL_NO_COMP +# include <openssl/comp.h> +# endif +# include <openssl/buffer.h> +# include <openssl/evp.h> +# include <openssl/ssl.h> #ifdef __cplusplus extern "C" { #endif -/* Signalling cipher suite value from RFC 5746 - * (TLS_EMPTY_RENEGOTIATION_INFO_SCSV) */ -#define SSL3_CK_SCSV 0x030000FF - -/* Signalling cipher suite value from draft-ietf-tls-downgrade-scsv-00 - * (TLS_FALLBACK_SCSV) */ -#define SSL3_CK_FALLBACK_SCSV 0x03005600 - -#define SSL3_CK_RSA_NULL_MD5 0x03000001 -#define SSL3_CK_RSA_NULL_SHA 0x03000002 -#define SSL3_CK_RSA_RC4_40_MD5 0x03000003 -#define SSL3_CK_RSA_RC4_128_MD5 0x03000004 -#define SSL3_CK_RSA_RC4_128_SHA 0x03000005 -#define SSL3_CK_RSA_RC2_40_MD5 0x03000006 -#define SSL3_CK_RSA_IDEA_128_SHA 0x03000007 -#define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008 -#define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009 -#define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A - -#define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B -#define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C -#define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D -#define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E -#define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F -#define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010 - -#define SSL3_CK_DHE_DSS_DES_40_CBC_SHA 0x03000011 -#define SSL3_CK_EDH_DSS_DES_40_CBC_SHA SSL3_CK_DHE_DSS_DES_40_CBC_SHA -#define SSL3_CK_DHE_DSS_DES_64_CBC_SHA 0x03000012 -#define SSL3_CK_EDH_DSS_DES_64_CBC_SHA SSL3_CK_DHE_DSS_DES_64_CBC_SHA -#define SSL3_CK_DHE_DSS_DES_192_CBC3_SHA 0x03000013 -#define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA SSL3_CK_DHE_DSS_DES_192_CBC3_SHA -#define SSL3_CK_DHE_RSA_DES_40_CBC_SHA 0x03000014 -#define SSL3_CK_EDH_RSA_DES_40_CBC_SHA SSL3_CK_DHE_RSA_DES_40_CBC_SHA -#define SSL3_CK_DHE_RSA_DES_64_CBC_SHA 0x03000015 -#define SSL3_CK_EDH_RSA_DES_64_CBC_SHA SSL3_CK_DHE_RSA_DES_64_CBC_SHA -#define SSL3_CK_DHE_RSA_DES_192_CBC3_SHA 0x03000016 -#define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA SSL3_CK_DHE_RSA_DES_192_CBC3_SHA - -#define SSL3_CK_ADH_RC4_40_MD5 0x03000017 -#define SSL3_CK_ADH_RC4_128_MD5 0x03000018 -#define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019 -#define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A -#define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B - -#if 0 - #define SSL3_CK_FZA_DMS_NULL_SHA 0x0300001C - #define SSL3_CK_FZA_DMS_FZA_SHA 0x0300001D - #if 0 /* Because it clashes with KRB5, is never used any more, and is safe - to remove according to David Hopwood <david.hopwood@zetnet.co.uk> - of the ietf-tls list */ - #define SSL3_CK_FZA_DMS_RC4_SHA 0x0300001E - #endif -#endif +/* + * Signalling cipher suite value from RFC 5746 + * (TLS_EMPTY_RENEGOTIATION_INFO_SCSV) + */ +# define SSL3_CK_SCSV 0x030000FF -/* VRS Additional Kerberos5 entries +/* + * Signalling cipher suite value from draft-ietf-tls-downgrade-scsv-00 + * (TLS_FALLBACK_SCSV) */ -#define SSL3_CK_KRB5_DES_64_CBC_SHA 0x0300001E -#define SSL3_CK_KRB5_DES_192_CBC3_SHA 0x0300001F -#define SSL3_CK_KRB5_RC4_128_SHA 0x03000020 -#define SSL3_CK_KRB5_IDEA_128_CBC_SHA 0x03000021 -#define SSL3_CK_KRB5_DES_64_CBC_MD5 0x03000022 -#define SSL3_CK_KRB5_DES_192_CBC3_MD5 0x03000023 -#define SSL3_CK_KRB5_RC4_128_MD5 0x03000024 -#define SSL3_CK_KRB5_IDEA_128_CBC_MD5 0x03000025 - -#define SSL3_CK_KRB5_DES_40_CBC_SHA 0x03000026 -#define SSL3_CK_KRB5_RC2_40_CBC_SHA 0x03000027 -#define SSL3_CK_KRB5_RC4_40_SHA 0x03000028 -#define SSL3_CK_KRB5_DES_40_CBC_MD5 0x03000029 -#define SSL3_CK_KRB5_RC2_40_CBC_MD5 0x0300002A -#define SSL3_CK_KRB5_RC4_40_MD5 0x0300002B - -#define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5" -#define SSL3_TXT_RSA_NULL_SHA "NULL-SHA" -#define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5" -#define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5" -#define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA" -#define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5" -#define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA" -#define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA" -#define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA" -#define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA" - -#define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA" -#define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA" -#define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA" -#define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA" -#define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA" -#define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA" - -#define SSL3_TXT_DHE_DSS_DES_40_CBC_SHA "EXP-DHE-DSS-DES-CBC-SHA" -#define SSL3_TXT_DHE_DSS_DES_64_CBC_SHA "DHE-DSS-DES-CBC-SHA" -#define SSL3_TXT_DHE_DSS_DES_192_CBC3_SHA "DHE-DSS-DES-CBC3-SHA" -#define SSL3_TXT_DHE_RSA_DES_40_CBC_SHA "EXP-DHE-RSA-DES-CBC-SHA" -#define SSL3_TXT_DHE_RSA_DES_64_CBC_SHA "DHE-RSA-DES-CBC-SHA" -#define SSL3_TXT_DHE_RSA_DES_192_CBC3_SHA "DHE-RSA-DES-CBC3-SHA" - -/* This next block of six "EDH" labels is for backward compatibility - with older versions of OpenSSL. New code should use the six "DHE" - labels above instead: +# define SSL3_CK_FALLBACK_SCSV 0x03005600 + +# define SSL3_CK_RSA_NULL_MD5 0x03000001 +# define SSL3_CK_RSA_NULL_SHA 0x03000002 +# define SSL3_CK_RSA_RC4_40_MD5 0x03000003 +# define SSL3_CK_RSA_RC4_128_MD5 0x03000004 +# define SSL3_CK_RSA_RC4_128_SHA 0x03000005 +# define SSL3_CK_RSA_RC2_40_MD5 0x03000006 +# define SSL3_CK_RSA_IDEA_128_SHA 0x03000007 +# define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008 +# define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009 +# define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A + +# define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B +# define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C +# define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D +# define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E +# define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F +# define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010 + +# define SSL3_CK_DHE_DSS_DES_40_CBC_SHA 0x03000011 +# define SSL3_CK_EDH_DSS_DES_40_CBC_SHA SSL3_CK_DHE_DSS_DES_40_CBC_SHA +# define SSL3_CK_DHE_DSS_DES_64_CBC_SHA 0x03000012 +# define SSL3_CK_EDH_DSS_DES_64_CBC_SHA SSL3_CK_DHE_DSS_DES_64_CBC_SHA +# define SSL3_CK_DHE_DSS_DES_192_CBC3_SHA 0x03000013 +# define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA SSL3_CK_DHE_DSS_DES_192_CBC3_SHA +# define SSL3_CK_DHE_RSA_DES_40_CBC_SHA 0x03000014 +# define SSL3_CK_EDH_RSA_DES_40_CBC_SHA SSL3_CK_DHE_RSA_DES_40_CBC_SHA +# define SSL3_CK_DHE_RSA_DES_64_CBC_SHA 0x03000015 +# define SSL3_CK_EDH_RSA_DES_64_CBC_SHA SSL3_CK_DHE_RSA_DES_64_CBC_SHA +# define SSL3_CK_DHE_RSA_DES_192_CBC3_SHA 0x03000016 +# define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA SSL3_CK_DHE_RSA_DES_192_CBC3_SHA + +# define SSL3_CK_ADH_RC4_40_MD5 0x03000017 +# define SSL3_CK_ADH_RC4_128_MD5 0x03000018 +# define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019 +# define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A +# define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B + +# if 0 +# define SSL3_CK_FZA_DMS_NULL_SHA 0x0300001C +# define SSL3_CK_FZA_DMS_FZA_SHA 0x0300001D +# if 0 /* Because it clashes with KRB5, is never + * used any more, and is safe to remove + * according to David Hopwood + * <david.hopwood@zetnet.co.uk> of the + * ietf-tls list */ +# define SSL3_CK_FZA_DMS_RC4_SHA 0x0300001E +# endif +# endif + +/* + * VRS Additional Kerberos5 entries */ -#define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA" -#define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA" -#define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA" -#define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA" -#define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA" -#define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA" - -#define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5" -#define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5" -#define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA" -#define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA" -#define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA" - -#if 0 - #define SSL3_TXT_FZA_DMS_NULL_SHA "FZA-NULL-SHA" - #define SSL3_TXT_FZA_DMS_FZA_SHA "FZA-FZA-CBC-SHA" - #define SSL3_TXT_FZA_DMS_RC4_SHA "FZA-RC4-SHA" -#endif +# define SSL3_CK_KRB5_DES_64_CBC_SHA 0x0300001E +# define SSL3_CK_KRB5_DES_192_CBC3_SHA 0x0300001F +# define SSL3_CK_KRB5_RC4_128_SHA 0x03000020 +# define SSL3_CK_KRB5_IDEA_128_CBC_SHA 0x03000021 +# define SSL3_CK_KRB5_DES_64_CBC_MD5 0x03000022 +# define SSL3_CK_KRB5_DES_192_CBC3_MD5 0x03000023 +# define SSL3_CK_KRB5_RC4_128_MD5 0x03000024 +# define SSL3_CK_KRB5_IDEA_128_CBC_MD5 0x03000025 + +# define SSL3_CK_KRB5_DES_40_CBC_SHA 0x03000026 +# define SSL3_CK_KRB5_RC2_40_CBC_SHA 0x03000027 +# define SSL3_CK_KRB5_RC4_40_SHA 0x03000028 +# define SSL3_CK_KRB5_DES_40_CBC_MD5 0x03000029 +# define SSL3_CK_KRB5_RC2_40_CBC_MD5 0x0300002A +# define SSL3_CK_KRB5_RC4_40_MD5 0x0300002B + +# define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5" +# define SSL3_TXT_RSA_NULL_SHA "NULL-SHA" +# define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5" +# define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5" +# define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA" +# define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5" +# define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA" +# define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA" +# define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA" +# define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA" + +# define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA" +# define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA" +# define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA" +# define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA" +# define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA" +# define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA" + +# define SSL3_TXT_DHE_DSS_DES_40_CBC_SHA "EXP-DHE-DSS-DES-CBC-SHA" +# define SSL3_TXT_DHE_DSS_DES_64_CBC_SHA "DHE-DSS-DES-CBC-SHA" +# define SSL3_TXT_DHE_DSS_DES_192_CBC3_SHA "DHE-DSS-DES-CBC3-SHA" +# define SSL3_TXT_DHE_RSA_DES_40_CBC_SHA "EXP-DHE-RSA-DES-CBC-SHA" +# define SSL3_TXT_DHE_RSA_DES_64_CBC_SHA "DHE-RSA-DES-CBC-SHA" +# define SSL3_TXT_DHE_RSA_DES_192_CBC3_SHA "DHE-RSA-DES-CBC3-SHA" -#define SSL3_TXT_KRB5_DES_64_CBC_SHA "KRB5-DES-CBC-SHA" -#define SSL3_TXT_KRB5_DES_192_CBC3_SHA "KRB5-DES-CBC3-SHA" -#define SSL3_TXT_KRB5_RC4_128_SHA "KRB5-RC4-SHA" -#define SSL3_TXT_KRB5_IDEA_128_CBC_SHA "KRB5-IDEA-CBC-SHA" -#define SSL3_TXT_KRB5_DES_64_CBC_MD5 "KRB5-DES-CBC-MD5" -#define SSL3_TXT_KRB5_DES_192_CBC3_MD5 "KRB5-DES-CBC3-MD5" -#define SSL3_TXT_KRB5_RC4_128_MD5 "KRB5-RC4-MD5" -#define SSL3_TXT_KRB5_IDEA_128_CBC_MD5 "KRB5-IDEA-CBC-MD5" - -#define SSL3_TXT_KRB5_DES_40_CBC_SHA "EXP-KRB5-DES-CBC-SHA" -#define SSL3_TXT_KRB5_RC2_40_CBC_SHA "EXP-KRB5-RC2-CBC-SHA" -#define SSL3_TXT_KRB5_RC4_40_SHA "EXP-KRB5-RC4-SHA" -#define SSL3_TXT_KRB5_DES_40_CBC_MD5 "EXP-KRB5-DES-CBC-MD5" -#define SSL3_TXT_KRB5_RC2_40_CBC_MD5 "EXP-KRB5-RC2-CBC-MD5" -#define SSL3_TXT_KRB5_RC4_40_MD5 "EXP-KRB5-RC4-MD5" - -#define SSL3_SSL_SESSION_ID_LENGTH 32 -#define SSL3_MAX_SSL_SESSION_ID_LENGTH 32 - -#define SSL3_MASTER_SECRET_SIZE 48 -#define SSL3_RANDOM_SIZE 32 -#define SSL3_SESSION_ID_SIZE 32 -#define SSL3_RT_HEADER_LENGTH 5 - -#define SSL3_HM_HEADER_LENGTH 4 - -#ifndef SSL3_ALIGN_PAYLOAD - /* Some will argue that this increases memory footprint, but it's - * not actually true. Point is that malloc has to return at least - * 64-bit aligned pointers, meaning that allocating 5 bytes wastes - * 3 bytes in either case. Suggested pre-gaping simply moves these - * wasted bytes from the end of allocated region to its front, - * but makes data payload aligned, which improves performance:-) */ -# define SSL3_ALIGN_PAYLOAD 8 -#else -# if (SSL3_ALIGN_PAYLOAD&(SSL3_ALIGN_PAYLOAD-1))!=0 -# error "insane SSL3_ALIGN_PAYLOAD" -# undef SSL3_ALIGN_PAYLOAD +/* + * This next block of six "EDH" labels is for backward compatibility with + * older versions of OpenSSL. New code should use the six "DHE" labels above + * instead: + */ +# define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA" +# define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA" +# define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA" +# define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA" +# define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA" +# define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA" + +# define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5" +# define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5" +# define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA" +# define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA" +# define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA" + +# if 0 +# define SSL3_TXT_FZA_DMS_NULL_SHA "FZA-NULL-SHA" +# define SSL3_TXT_FZA_DMS_FZA_SHA "FZA-FZA-CBC-SHA" +# define SSL3_TXT_FZA_DMS_RC4_SHA "FZA-RC4-SHA" +# endif + +# define SSL3_TXT_KRB5_DES_64_CBC_SHA "KRB5-DES-CBC-SHA" +# define SSL3_TXT_KRB5_DES_192_CBC3_SHA "KRB5-DES-CBC3-SHA" +# define SSL3_TXT_KRB5_RC4_128_SHA "KRB5-RC4-SHA" +# define SSL3_TXT_KRB5_IDEA_128_CBC_SHA "KRB5-IDEA-CBC-SHA" +# define SSL3_TXT_KRB5_DES_64_CBC_MD5 "KRB5-DES-CBC-MD5" +# define SSL3_TXT_KRB5_DES_192_CBC3_MD5 "KRB5-DES-CBC3-MD5" +# define SSL3_TXT_KRB5_RC4_128_MD5 "KRB5-RC4-MD5" +# define SSL3_TXT_KRB5_IDEA_128_CBC_MD5 "KRB5-IDEA-CBC-MD5" + +# define SSL3_TXT_KRB5_DES_40_CBC_SHA "EXP-KRB5-DES-CBC-SHA" +# define SSL3_TXT_KRB5_RC2_40_CBC_SHA "EXP-KRB5-RC2-CBC-SHA" +# define SSL3_TXT_KRB5_RC4_40_SHA "EXP-KRB5-RC4-SHA" +# define SSL3_TXT_KRB5_DES_40_CBC_MD5 "EXP-KRB5-DES-CBC-MD5" +# define SSL3_TXT_KRB5_RC2_40_CBC_MD5 "EXP-KRB5-RC2-CBC-MD5" +# define SSL3_TXT_KRB5_RC4_40_MD5 "EXP-KRB5-RC4-MD5" + +# define SSL3_SSL_SESSION_ID_LENGTH 32 +# define SSL3_MAX_SSL_SESSION_ID_LENGTH 32 + +# define SSL3_MASTER_SECRET_SIZE 48 +# define SSL3_RANDOM_SIZE 32 +# define SSL3_SESSION_ID_SIZE 32 +# define SSL3_RT_HEADER_LENGTH 5 + +# define SSL3_HM_HEADER_LENGTH 4 + +# ifndef SSL3_ALIGN_PAYLOAD + /* + * Some will argue that this increases memory footprint, but it's not + * actually true. Point is that malloc has to return at least 64-bit aligned + * pointers, meaning that allocating 5 bytes wastes 3 bytes in either case. + * Suggested pre-gaping simply moves these wasted bytes from the end of + * allocated region to its front, but makes data payload aligned, which + * improves performance:-) + */ +# define SSL3_ALIGN_PAYLOAD 8 +# else +# if (SSL3_ALIGN_PAYLOAD&(SSL3_ALIGN_PAYLOAD-1))!=0 +# error "insane SSL3_ALIGN_PAYLOAD" +# undef SSL3_ALIGN_PAYLOAD +# endif # endif -#endif -/* This is the maximum MAC (digest) size used by the SSL library. - * Currently maximum of 20 is used by SHA1, but we reserve for - * future extension for 512-bit hashes. +/* + * This is the maximum MAC (digest) size used by the SSL library. Currently + * maximum of 20 is used by SHA1, but we reserve for future extension for + * 512-bit hashes. */ -#define SSL3_RT_MAX_MD_SIZE 64 +# define SSL3_RT_MAX_MD_SIZE 64 -/* Maximum block size used in all ciphersuites. Currently 16 for AES. +/* + * Maximum block size used in all ciphersuites. Currently 16 for AES. */ -#define SSL_RT_MAX_CIPHER_BLOCK_SIZE 16 +# define SSL_RT_MAX_CIPHER_BLOCK_SIZE 16 -#define SSL3_RT_MAX_EXTRA (16384) +# define SSL3_RT_MAX_EXTRA (16384) /* Maximum plaintext length: defined by SSL/TLS standards */ -#define SSL3_RT_MAX_PLAIN_LENGTH 16384 +# define SSL3_RT_MAX_PLAIN_LENGTH 16384 /* Maximum compression overhead: defined by SSL/TLS standards */ -#define SSL3_RT_MAX_COMPRESSED_OVERHEAD 1024 +# define SSL3_RT_MAX_COMPRESSED_OVERHEAD 1024 -/* The standards give a maximum encryption overhead of 1024 bytes. - * In practice the value is lower than this. The overhead is the maximum - * number of padding bytes (256) plus the mac size. +/* + * The standards give a maximum encryption overhead of 1024 bytes. In + * practice the value is lower than this. The overhead is the maximum number + * of padding bytes (256) plus the mac size. */ -#define SSL3_RT_MAX_ENCRYPTED_OVERHEAD (256 + SSL3_RT_MAX_MD_SIZE) +# define SSL3_RT_MAX_ENCRYPTED_OVERHEAD (256 + SSL3_RT_MAX_MD_SIZE) -/* OpenSSL currently only uses a padding length of at most one block so - * the send overhead is smaller. +/* + * OpenSSL currently only uses a padding length of at most one block so the + * send overhead is smaller. */ -#define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \ - (SSL_RT_MAX_CIPHER_BLOCK_SIZE + SSL3_RT_MAX_MD_SIZE) +# define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \ + (SSL_RT_MAX_CIPHER_BLOCK_SIZE + SSL3_RT_MAX_MD_SIZE) /* If compression isn't used don't include the compression overhead */ -#ifdef OPENSSL_NO_COMP -#define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH -#else -#define SSL3_RT_MAX_COMPRESSED_LENGTH \ - (SSL3_RT_MAX_PLAIN_LENGTH+SSL3_RT_MAX_COMPRESSED_OVERHEAD) -#endif -#define SSL3_RT_MAX_ENCRYPTED_LENGTH \ - (SSL3_RT_MAX_ENCRYPTED_OVERHEAD+SSL3_RT_MAX_COMPRESSED_LENGTH) -#define SSL3_RT_MAX_PACKET_SIZE \ - (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH) +# ifdef OPENSSL_NO_COMP +# define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH +# else +# define SSL3_RT_MAX_COMPRESSED_LENGTH \ + (SSL3_RT_MAX_PLAIN_LENGTH+SSL3_RT_MAX_COMPRESSED_OVERHEAD) +# endif +# define SSL3_RT_MAX_ENCRYPTED_LENGTH \ + (SSL3_RT_MAX_ENCRYPTED_OVERHEAD+SSL3_RT_MAX_COMPRESSED_LENGTH) +# define SSL3_RT_MAX_PACKET_SIZE \ + (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH) -#define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54" -#define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52" +# define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54" +# define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52" -#define SSL3_VERSION 0x0300 -#define SSL3_VERSION_MAJOR 0x03 -#define SSL3_VERSION_MINOR 0x00 +# define SSL3_VERSION 0x0300 +# define SSL3_VERSION_MAJOR 0x03 +# define SSL3_VERSION_MINOR 0x00 -#define SSL3_RT_CHANGE_CIPHER_SPEC 20 -#define SSL3_RT_ALERT 21 -#define SSL3_RT_HANDSHAKE 22 -#define SSL3_RT_APPLICATION_DATA 23 -#define TLS1_RT_HEARTBEAT 24 +# define SSL3_RT_CHANGE_CIPHER_SPEC 20 +# define SSL3_RT_ALERT 21 +# define SSL3_RT_HANDSHAKE 22 +# define SSL3_RT_APPLICATION_DATA 23 +# define TLS1_RT_HEARTBEAT 24 /* Pseudo content types to indicate additional parameters */ -#define TLS1_RT_CRYPTO 0x1000 -#define TLS1_RT_CRYPTO_PREMASTER (TLS1_RT_CRYPTO | 0x1) -#define TLS1_RT_CRYPTO_CLIENT_RANDOM (TLS1_RT_CRYPTO | 0x2) -#define TLS1_RT_CRYPTO_SERVER_RANDOM (TLS1_RT_CRYPTO | 0x3) -#define TLS1_RT_CRYPTO_MASTER (TLS1_RT_CRYPTO | 0x4) - -#define TLS1_RT_CRYPTO_READ 0x0000 -#define TLS1_RT_CRYPTO_WRITE 0x0100 -#define TLS1_RT_CRYPTO_MAC (TLS1_RT_CRYPTO | 0x5) -#define TLS1_RT_CRYPTO_KEY (TLS1_RT_CRYPTO | 0x6) -#define TLS1_RT_CRYPTO_IV (TLS1_RT_CRYPTO | 0x7) -#define TLS1_RT_CRYPTO_FIXED_IV (TLS1_RT_CRYPTO | 0x8) +# define TLS1_RT_CRYPTO 0x1000 +# define TLS1_RT_CRYPTO_PREMASTER (TLS1_RT_CRYPTO | 0x1) +# define TLS1_RT_CRYPTO_CLIENT_RANDOM (TLS1_RT_CRYPTO | 0x2) +# define TLS1_RT_CRYPTO_SERVER_RANDOM (TLS1_RT_CRYPTO | 0x3) +# define TLS1_RT_CRYPTO_MASTER (TLS1_RT_CRYPTO | 0x4) + +# define TLS1_RT_CRYPTO_READ 0x0000 +# define TLS1_RT_CRYPTO_WRITE 0x0100 +# define TLS1_RT_CRYPTO_MAC (TLS1_RT_CRYPTO | 0x5) +# define TLS1_RT_CRYPTO_KEY (TLS1_RT_CRYPTO | 0x6) +# define TLS1_RT_CRYPTO_IV (TLS1_RT_CRYPTO | 0x7) +# define TLS1_RT_CRYPTO_FIXED_IV (TLS1_RT_CRYPTO | 0x8) /* Pseudo content type for SSL/TLS header info */ -#define SSL3_RT_HEADER 0x100 - -#define SSL3_AL_WARNING 1 -#define SSL3_AL_FATAL 2 - -#define SSL3_AD_CLOSE_NOTIFY 0 -#define SSL3_AD_UNEXPECTED_MESSAGE 10 /* fatal */ -#define SSL3_AD_BAD_RECORD_MAC 20 /* fatal */ -#define SSL3_AD_DECOMPRESSION_FAILURE 30 /* fatal */ -#define SSL3_AD_HANDSHAKE_FAILURE 40 /* fatal */ -#define SSL3_AD_NO_CERTIFICATE 41 -#define SSL3_AD_BAD_CERTIFICATE 42 -#define SSL3_AD_UNSUPPORTED_CERTIFICATE 43 -#define SSL3_AD_CERTIFICATE_REVOKED 44 -#define SSL3_AD_CERTIFICATE_EXPIRED 45 -#define SSL3_AD_CERTIFICATE_UNKNOWN 46 -#define SSL3_AD_ILLEGAL_PARAMETER 47 /* fatal */ - -#define TLS1_HB_REQUEST 1 -#define TLS1_HB_RESPONSE 2 - -#ifndef OPENSSL_NO_SSL_INTERN - -typedef struct ssl3_record_st - { - /* type of record */ -/*r */ int type; - /* How many bytes available */ -/*rw*/ unsigned int length; - /* How many bytes were available before padding - * was removed? This is used to implement the - * MAC check in constant time for CBC records. - */ -/*rw*/ unsigned int orig_len; - /* read/write offset into 'buf' */ -/*r */ unsigned int off; - /* pointer to the record data */ -/*rw*/ unsigned char *data; - /* where the decode bytes are */ -/*rw*/ unsigned char *input; - /* only used with decompression - malloc()ed */ -/*r */ unsigned char *comp; - /* epoch number, needed by DTLS1 */ -/*r */ unsigned long epoch; - /* sequence number, needed by DTLS1 */ -/*r */ unsigned char seq_num[8]; - } SSL3_RECORD; - -typedef struct ssl3_buffer_st - { - /* at least SSL3_RT_MAX_PACKET_SIZE bytes, see ssl3_setup_buffers() */ - unsigned char *buf; - /* buffer size */ - size_t len; - /* where to 'copy from' */ - int offset; - /* how many bytes left */ - int left; - } SSL3_BUFFER; +# define SSL3_RT_HEADER 0x100 + +# define SSL3_AL_WARNING 1 +# define SSL3_AL_FATAL 2 + +# define SSL3_AD_CLOSE_NOTIFY 0 +# define SSL3_AD_UNEXPECTED_MESSAGE 10/* fatal */ +# define SSL3_AD_BAD_RECORD_MAC 20/* fatal */ +# define SSL3_AD_DECOMPRESSION_FAILURE 30/* fatal */ +# define SSL3_AD_HANDSHAKE_FAILURE 40/* fatal */ +# define SSL3_AD_NO_CERTIFICATE 41 +# define SSL3_AD_BAD_CERTIFICATE 42 +# define SSL3_AD_UNSUPPORTED_CERTIFICATE 43 +# define SSL3_AD_CERTIFICATE_REVOKED 44 +# define SSL3_AD_CERTIFICATE_EXPIRED 45 +# define SSL3_AD_CERTIFICATE_UNKNOWN 46 +# define SSL3_AD_ILLEGAL_PARAMETER 47/* fatal */ + +# define TLS1_HB_REQUEST 1 +# define TLS1_HB_RESPONSE 2 + +# ifndef OPENSSL_NO_SSL_INTERN + +typedef struct ssl3_record_st { + /* type of record */ + /* + * r + */ int type; + /* How many bytes available */ + /* + * rw + */ unsigned int length; + /* + * How many bytes were available before padding was removed? This is used + * to implement the MAC check in constant time for CBC records. + */ + /* + * rw + */ unsigned int orig_len; + /* read/write offset into 'buf' */ + /* + * r + */ unsigned int off; + /* pointer to the record data */ + /* + * rw + */ unsigned char *data; + /* where the decode bytes are */ + /* + * rw + */ unsigned char *input; + /* only used with decompression - malloc()ed */ + /* + * r + */ unsigned char *comp; + /* epoch number, needed by DTLS1 */ + /* + * r + */ unsigned long epoch; + /* sequence number, needed by DTLS1 */ + /* + * r + */ unsigned char seq_num[8]; +} SSL3_RECORD; + +typedef struct ssl3_buffer_st { + /* at least SSL3_RT_MAX_PACKET_SIZE bytes, see ssl3_setup_buffers() */ + unsigned char *buf; + /* buffer size */ + size_t len; + /* where to 'copy from' */ + int offset; + /* how many bytes left */ + int left; +} SSL3_BUFFER; -#endif +# endif -#define SSL3_CT_RSA_SIGN 1 -#define SSL3_CT_DSS_SIGN 2 -#define SSL3_CT_RSA_FIXED_DH 3 -#define SSL3_CT_DSS_FIXED_DH 4 -#define SSL3_CT_RSA_EPHEMERAL_DH 5 -#define SSL3_CT_DSS_EPHEMERAL_DH 6 -#define SSL3_CT_FORTEZZA_DMS 20 -/* SSL3_CT_NUMBER is used to size arrays and it must be large - * enough to contain all of the cert types defined either for - * SSLv3 and TLSv1. +# define SSL3_CT_RSA_SIGN 1 +# define SSL3_CT_DSS_SIGN 2 +# define SSL3_CT_RSA_FIXED_DH 3 +# define SSL3_CT_DSS_FIXED_DH 4 +# define SSL3_CT_RSA_EPHEMERAL_DH 5 +# define SSL3_CT_DSS_EPHEMERAL_DH 6 +# define SSL3_CT_FORTEZZA_DMS 20 +/* + * SSL3_CT_NUMBER is used to size arrays and it must be large enough to + * contain all of the cert types defined either for SSLv3 and TLSv1. */ -#define SSL3_CT_NUMBER 9 - - -#define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001 -#define SSL3_FLAGS_DELAY_CLIENT_FINISHED 0x0002 -#define SSL3_FLAGS_POP_BUFFER 0x0004 -#define TLS1_FLAGS_TLS_PADDING_BUG 0x0008 -#define TLS1_FLAGS_SKIP_CERT_VERIFY 0x0010 -#define TLS1_FLAGS_KEEP_HANDSHAKE 0x0020 +# define SSL3_CT_NUMBER 9 + +# define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001 +# define SSL3_FLAGS_DELAY_CLIENT_FINISHED 0x0002 +# define SSL3_FLAGS_POP_BUFFER 0x0004 +# define TLS1_FLAGS_TLS_PADDING_BUG 0x0008 +# define TLS1_FLAGS_SKIP_CERT_VERIFY 0x0010 +# define TLS1_FLAGS_KEEP_HANDSHAKE 0x0020 /* * Set when the handshake is ready to process peer's ChangeCipherSpec message. * Cleared after the message has been processed. */ -#define SSL3_FLAGS_CCS_OK 0x0080 +# define SSL3_FLAGS_CCS_OK 0x0080 /* Set if we encrypt then mac instead of usual mac then encrypt */ -#define TLS1_FLAGS_ENCRYPT_THEN_MAC 0x0100 - -#ifndef OPENSSL_NO_SSL_INTERN - -typedef struct ssl3_state_st - { - long flags; - int delay_buf_pop_ret; - - unsigned char read_sequence[8]; - int read_mac_secret_size; - unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; - unsigned char write_sequence[8]; - int write_mac_secret_size; - unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; - - unsigned char server_random[SSL3_RANDOM_SIZE]; - unsigned char client_random[SSL3_RANDOM_SIZE]; - - /* flags for countermeasure against known-IV weakness */ - int need_empty_fragments; - int empty_fragment_done; - - /* The value of 'extra' when the buffers were initialized */ - int init_extra; - - SSL3_BUFFER rbuf; /* read IO goes into here */ - SSL3_BUFFER wbuf; /* write IO goes into here */ - - SSL3_RECORD rrec; /* each decoded record goes in here */ - SSL3_RECORD wrec; /* goes out from here */ - - /* storage for Alert/Handshake protocol data received but not - * yet processed by ssl3_read_bytes: */ - unsigned char alert_fragment[2]; - unsigned int alert_fragment_len; - unsigned char handshake_fragment[4]; - unsigned int handshake_fragment_len; - - /* partial write - check the numbers match */ - unsigned int wnum; /* number of bytes sent so far */ - int wpend_tot; /* number bytes written */ - int wpend_type; - int wpend_ret; /* number of bytes submitted */ - const unsigned char *wpend_buf; - - /* used during startup, digest all incoming/outgoing packets */ - BIO *handshake_buffer; - /* When set of handshake digests is determined, buffer is hashed - * and freed and MD_CTX-es for all required digests are stored in - * this array */ - EVP_MD_CTX **handshake_dgst; - /* - * Set whenever an expected ChangeCipherSpec message is processed. - * Unset when the peer's Finished message is received. - * Unexpected ChangeCipherSpec messages trigger a fatal alert. - */ - int change_cipher_spec; - - int warn_alert; - int fatal_alert; - /* we allow one fatal and one warning alert to be outstanding, - * send close alert via the warning alert */ - int alert_dispatch; - unsigned char send_alert[2]; - - /* This flag is set when we should renegotiate ASAP, basically when - * there is no more data in the read or write buffers */ - int renegotiate; - int total_renegotiations; - int num_renegotiations; - - int in_read_app_data; - - /* Opaque PRF input as used for the current handshake. - * These fields are used only if TLSEXT_TYPE_opaque_prf_input is defined - * (otherwise, they are merely present to improve binary compatibility) */ - void *client_opaque_prf_input; - size_t client_opaque_prf_input_len; - void *server_opaque_prf_input; - size_t server_opaque_prf_input_len; - - struct { - /* actually only needs to be 16+20 */ - unsigned char cert_verify_md[EVP_MAX_MD_SIZE*2]; - - /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ - unsigned char finish_md[EVP_MAX_MD_SIZE*2]; - int finish_md_len; - unsigned char peer_finish_md[EVP_MAX_MD_SIZE*2]; - int peer_finish_md_len; - - unsigned long message_size; - int message_type; - - /* used to hold the new cipher we are going to use */ - const SSL_CIPHER *new_cipher; -#ifndef OPENSSL_NO_DH - DH *dh; -#endif - -#ifndef OPENSSL_NO_ECDH - EC_KEY *ecdh; /* holds short lived ECDH key */ -#endif - - /* used when SSL_ST_FLUSH_DATA is entered */ - int next_state; - - int reuse_message; - - /* used for certificate requests */ - int cert_req; - int ctype_num; - char ctype[SSL3_CT_NUMBER]; - STACK_OF(X509_NAME) *ca_names; - - int use_rsa_tmp; - - int key_block_length; - unsigned char *key_block; - - const EVP_CIPHER *new_sym_enc; - const EVP_MD *new_hash; - int new_mac_pkey_type; - int new_mac_secret_size; -#ifndef OPENSSL_NO_COMP - const SSL_COMP *new_compression; -#else - char *new_compression; -#endif - int cert_request; - } tmp; - - /* Connection binding to prevent renegotiation attacks */ - unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; - unsigned char previous_client_finished_len; - unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; - unsigned char previous_server_finished_len; - int send_connection_binding; /* TODOEKR */ - -#ifndef OPENSSL_NO_NEXTPROTONEG - /* Set if we saw the Next Protocol Negotiation extension from our peer. */ - int next_proto_neg_seen; -#endif - -#ifndef OPENSSL_NO_TLSEXT - - /* ALPN information - * (we are in the process of transitioning from NPN to ALPN.) */ - - /* In a server these point to the selected ALPN protocol after the - * ClientHello has been processed. In a client these contain the - * protocol that the server selected once the ServerHello has been - * processed. */ - unsigned char *alpn_selected; - unsigned alpn_selected_len; +# define TLS1_FLAGS_ENCRYPT_THEN_MAC 0x0100 + +# ifndef OPENSSL_NO_SSL_INTERN + +typedef struct ssl3_state_st { + long flags; + int delay_buf_pop_ret; + unsigned char read_sequence[8]; + int read_mac_secret_size; + unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; + unsigned char write_sequence[8]; + int write_mac_secret_size; + unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; + unsigned char server_random[SSL3_RANDOM_SIZE]; + unsigned char client_random[SSL3_RANDOM_SIZE]; + /* flags for countermeasure against known-IV weakness */ + int need_empty_fragments; + int empty_fragment_done; + /* The value of 'extra' when the buffers were initialized */ + int init_extra; + SSL3_BUFFER rbuf; /* read IO goes into here */ + SSL3_BUFFER wbuf; /* write IO goes into here */ + SSL3_RECORD rrec; /* each decoded record goes in here */ + SSL3_RECORD wrec; /* goes out from here */ + /* + * storage for Alert/Handshake protocol data received but not yet + * processed by ssl3_read_bytes: + */ + unsigned char alert_fragment[2]; + unsigned int alert_fragment_len; + unsigned char handshake_fragment[4]; + unsigned int handshake_fragment_len; + /* partial write - check the numbers match */ + unsigned int wnum; /* number of bytes sent so far */ + int wpend_tot; /* number bytes written */ + int wpend_type; + int wpend_ret; /* number of bytes submitted */ + const unsigned char *wpend_buf; + /* used during startup, digest all incoming/outgoing packets */ + BIO *handshake_buffer; + /* + * When set of handshake digests is determined, buffer is hashed and + * freed and MD_CTX-es for all required digests are stored in this array + */ + EVP_MD_CTX **handshake_dgst; + /* + * Set whenever an expected ChangeCipherSpec message is processed. + * Unset when the peer's Finished message is received. + * Unexpected ChangeCipherSpec messages trigger a fatal alert. + */ + int change_cipher_spec; + int warn_alert; + int fatal_alert; + /* + * we allow one fatal and one warning alert to be outstanding, send close + * alert via the warning alert + */ + int alert_dispatch; |