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/* ssl/ssl_locl.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.]
*/
/* ====================================================================
* Copyright (c) 1998-2001 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).
*
*/
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
* ECC cipher suite support in OpenSSL originally developed by
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
*/
#ifndef HEADER_SSL_LOCL_H
#define HEADER_SSL_LOCL_H
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <errno.h>
#include "e_os.h"
#include <openssl/buffer.h>
#include <openssl/comp.h>
#include <openssl/bio.h>
#include <openssl/stack.h>
#ifndef OPENSSL_NO_RSA
#include <openssl/rsa.h>
#endif
#ifndef OPENSSL_NO_DSA
#include <openssl/dsa.h>
#endif
#include <openssl/err.h>
#include <openssl/ssl.h>
#include <openssl/symhacks.h>
#ifdef OPENSSL_BUILD_SHLIBSSL
# undef OPENSSL_EXTERN
# define OPENSSL_EXTERN OPENSSL_EXPORT
#endif
#define PKCS1_CHECK
#define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
l|=(((unsigned long)(*((c)++)))<< 8), \
l|=(((unsigned long)(*((c)++)))<<16), \
l|=(((unsigned long)(*((c)++)))<<24))
/* NOTE - c is not incremented as per c2l */
#define c2ln(c,l1,l2,n) { \
c+=n; \
l1=l2=0; \
switch (n) { \
case 8: l2 =((unsigned long)(*(--(c))))<<24; \
case 7: l2|=((unsigned long)(*(--(c))))<<16; \
case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
case 5: l2|=((unsigned long)(*(--(c)))); \
case 4: l1 =((unsigned long)(*(--(c))))<<24; \
case 3: l1|=((unsigned long)(*(--(c))))<<16; \
case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
case 1: l1|=((unsigned long)(*(--(c)))); \
} \
}
#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
*((c)++)=(unsigned char)(((l)>>16)&0xff), \
*((c)++)=(unsigned char)(((l)>>24)&0xff))
#define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \
l|=((unsigned long)(*((c)++)))<<16, \
l|=((unsigned long)(*((c)++)))<< 8, \
l|=((unsigned long)(*((c)++))))
#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
*((c)++)=(unsigned char)(((l)>>16)&0xff), \
*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
*((c)++)=(unsigned char)(((l) )&0xff))
#define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \
*((c)++)=(unsigned char)(((l)>>32)&0xff), \
*((c)++)=(unsigned char)(((l)>>24)&0xff), \
*((c)++)=(unsigned char)(((l)>>16)&0xff), \
*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
*((c)++)=(unsigned char)(((l) )&0xff))
#define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \
l|=((BN_ULLONG)(*((c)++)))<<32, \
l|=((BN_ULLONG)(*((c)++)))<<24, \
l|=((BN_ULLONG)(*((c)++)))<<16, \
l|=((BN_ULLONG)(*((c)++)))<< 8, \
l|=((BN_ULLONG)(*((c)++))))
/* NOTE - c is not incremented as per l2c */
#define l2cn(l1,l2,c,n) { \
c+=n; \
switch (n) { \
case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
} \
}
#define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \
(((unsigned int)(c[1])) )),c+=2)
#define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \
c[1]=(unsigned char)(((s) )&0xff)),c+=2)
#define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \
(((unsigned long)(c[1]))<< 8)| \
(((unsigned long)(c[2])) )),c+=3)
#define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \
c[1]=(unsigned char)(((l)>> 8)&0xff), \
c[2]=(unsigned char)(((l) )&0xff)),c+=3)
/* LOCAL STUFF */
#define SSL_DECRYPT 0
#define SSL_ENCRYPT 1
#define TWO_BYTE_BIT 0x80
#define SEC_ESC_BIT 0x40
#define TWO_BYTE_MASK 0x7fff
#define THREE_BYTE_MASK 0x3fff
#define INC32(a) ((a)=((a)+1)&0xffffffffL)
#define DEC32(a) ((a)=((a)-1)&0xffffffffL)
#define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
/*
* Define the Bitmasks for SSL_CIPHER.algorithms.
* This bits are used packed as dense as possible. If new methods/ciphers
* etc will be added, the bits a likely to change, so this information
* is for internal library use only, even though SSL_CIPHER.algorithms
* can be publicly accessed.
* Use the according functions for cipher management instead.
*
* The bit mask handling in the selection and sorting scheme in
* ssl_create_cipher_list() has only limited capabilities, reflecting
* that the different entities within are mutually exclusive:
* ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
*/
#define SSL_MKEY_MASK 0x000000FFL
#define SSL_kRSA 0x00000001L /* RSA key exchange */
#define SSL_kDHr 0x00000002L /* DH cert RSA CA cert */
#define SSL_kDHd 0x00000004L /* DH cert DSA CA cert */
#define SSL_kFZA 0x00000008L
#define SSL_kEDH 0x00000010L /* tmp DH key no DH cert */
#define SSL_kKRB5 0x00000020L /* Kerberos5 key exchange */
#define SSL_kECDH 0x00000040L /* ECDH w/ long-term keys */
#define SSL_kECDHE 0x00000080L /* ephemeral ECDH */
#define SSL_EDH (SSL_kEDH|(SSL_AUTH_MASK^SSL_aNULL))
#define SSL_AUTH_MASK 0x00007F00L
#define SSL_aRSA 0x00000100L /* Authenticate with RSA */
#define SSL_aDSS 0x00000200L /* Authenticate with DSS */
#define SSL_DSS SSL_aDSS
#define SSL_aFZA 0x00000400L
#define SSL_aNULL 0x00000800L /* no Authenticate, ADH */
#define SSL_aDH 0x00001000L /* no Authenticate, ADH */
#define SSL_aKRB5 0x00002000L /* Authenticate with KRB5 */
#define SSL_aECDSA 0x00004000L /* Authenticate with ECDSA */
#define SSL_NULL (SSL_eNULL)
#define SSL_ADH (SSL_kEDH|SSL_aNULL)
#define SSL_RSA (SSL_kRSA|SSL_aRSA)
#define SSL_DH (SSL_kDHr|SSL_kDHd|SSL_kEDH)
#define SSL_ECDH (SSL_kECDH|SSL_kECDHE)
#define SSL_FZA (SSL_aFZA|SSL_kFZA|SSL_eFZA)
#define SSL_KRB5 (SSL_kKRB5|SSL_aKRB5)
#define SSL_ENC_MASK 0x043F8000L
#define SSL_DES 0x00008000L
#define SSL_3DES 0x00010000L
#define SSL_RC4 0x00020000L
#define SSL_RC2 0x00040000L
#define SSL_IDEA 0x00080000L
#define SSL_eFZA 0x00100000L
#define SSL_eNULL 0x00200000L
#define SSL_AES 0x04000000L
#define SSL_MAC_MASK 0x00c00000L
#define SSL_MD5 0x00400000L
#define SSL_SHA1 0x00800000L
#define SSL_SHA (SSL_SHA1)
#define SSL_SSL_MASK 0x03000000L
#define SSL_SSLV2 0x01000000L
#define SSL_SSLV3 0x02000000L
#define SSL_TLSV1 SSL_SSLV3 /* for now */
/* we have used 07ffffff - 5 bits left to go. */
/*
* Export and cipher strength information. For each cipher we have to decide
* whether it is exportable or not. This information is likely to change
* over time, since the export control rules are no static technical issue.
*
* Independent of the export flag the cipher strength is sorted into classes.
* SSL_EXP40 was denoting the 40bit US export limit of past times, which now
* is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
* again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
* since SSL_EXP64 could be similar to SSL_LOW.
* For this reason SSL_MICRO and SSL_MINI macros are included to widen the
* namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
* and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
* be possible.
*/
#define SSL_EXP_MASK 0x00000003L
#define SSL_NOT_EXP 0x00000001L
#define SSL_EXPORT 0x00000002L
#define SSL_STRONG_MASK 0x000000fcL
#define SSL_STRONG_NONE 0x00000004L
#define SSL_EXP40 0x00000008L
#define SSL_MICRO (SSL_EXP40)
#define SSL_EXP56 0x00000010L
#define SSL_MINI (SSL_EXP56)
#define SSL_LOW 0x00000020L
#define SSL_MEDIUM 0x00000040L
#define SSL_HIGH 0x00000080L
/* we have used 000000ff - 24 bits left to go */
/*
* Macros to check the export status and cipher strength for export ciphers.
* Even though the macros for EXPORT and EXPORT40/56 have similar names,
* their meaning is different:
* *_EXPORT macros check the 'exportable' status.
* *_EXPORT40/56 macros are used to check whether a certain cipher strength
* is given.
* Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
* algorithm structure element to be passed (algorithms, algo_strength) and no
* typechecking can be done as they are all of type unsigned long, their
* direct usage is discouraged.
* Use the SSL_C_* macros instead.
*/
#
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