author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 02:01:42 +0200 | |
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permissions | -rw-r--r-- |
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/* crypto/md32_common.h */ |
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/* ==================================================================== |
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* Copyright (c) 1999-2002 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* licensing@OpenSSL.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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|
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/* |
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* This is a generic 32 bit "collector" for message digest algorithms. |
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* Whenever needed it collects input character stream into chunks of |
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* 32 bit values and invokes a block function that performs actual hash |
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* calculations. |
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* |
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* Porting guide. |
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* |
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* Obligatory macros: |
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* |
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* DATA_ORDER_IS_BIG_ENDIAN or DATA_ORDER_IS_LITTLE_ENDIAN |
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* this macro defines byte order of input stream. |
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* HASH_CBLOCK |
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* size of a unit chunk HASH_BLOCK operates on. |
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* HASH_LONG |
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* has to be at lest 32 bit wide, if it's wider, then |
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* HASH_LONG_LOG2 *has to* be defined along |
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* HASH_CTX |
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* context structure that at least contains following |
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* members: |
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* typedef struct { |
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* ... |
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* HASH_LONG Nl,Nh; |
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* HASH_LONG data[HASH_LBLOCK]; |
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* unsigned int num; |
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* ... |
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* } HASH_CTX; |
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* HASH_UPDATE |
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* name of "Update" function, implemented here. |
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* HASH_TRANSFORM |
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* name of "Transform" function, implemented here. |
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* HASH_FINAL |
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* name of "Final" function, implemented here. |
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* HASH_BLOCK_HOST_ORDER |
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* name of "block" function treating *aligned* input message |
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* in host byte order, implemented externally. |
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* HASH_BLOCK_DATA_ORDER |
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* name of "block" function treating *unaligned* input message |
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* in original (data) byte order, implemented externally (it |
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* actually is optional if data and host are of the same |
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* "endianess"). |
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* HASH_MAKE_STRING |
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* macro convering context variables to an ASCII hash string. |
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* |
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* Optional macros: |
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* |
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* B_ENDIAN or L_ENDIAN |
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* defines host byte-order. |
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* HASH_LONG_LOG2 |
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* defaults to 2 if not states otherwise. |
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* HASH_LBLOCK |
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* assumed to be HASH_CBLOCK/4 if not stated otherwise. |
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* HASH_BLOCK_DATA_ORDER_ALIGNED |
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* alternative "block" function capable of treating |
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* aligned input message in original (data) order, |
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* implemented externally. |
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* |
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* MD5 example: |
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* |
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* #define DATA_ORDER_IS_LITTLE_ENDIAN |
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* |
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* #define HASH_LONG MD5_LONG |
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* #define HASH_LONG_LOG2 MD5_LONG_LOG2 |
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* #define HASH_CTX MD5_CTX |
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* #define HASH_CBLOCK MD5_CBLOCK |
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* #define HASH_LBLOCK MD5_LBLOCK |
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* #define HASH_UPDATE MD5_Update |
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* #define HASH_TRANSFORM MD5_Transform |
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* #define HASH_FINAL MD5_Final |
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* #define HASH_BLOCK_HOST_ORDER md5_block_host_order |
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* #define HASH_BLOCK_DATA_ORDER md5_block_data_order |
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* |
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* <appro@fy.chalmers.se> |
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*/ |
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130 |
|
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#if !defined(DATA_ORDER_IS_BIG_ENDIAN) && !defined(DATA_ORDER_IS_LITTLE_ENDIAN) |
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#error "DATA_ORDER must be defined!" |
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#endif |
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134 |
|
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#ifndef HASH_CBLOCK |
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#error "HASH_CBLOCK must be defined!" |
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#endif |
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#ifndef HASH_LONG |
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#error "HASH_LONG must be defined!" |
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#endif |
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#ifndef HASH_CTX |
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#error "HASH_CTX must be defined!" |
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#endif |
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|
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#ifndef HASH_UPDATE |
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#error "HASH_UPDATE must be defined!" |
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#endif |
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#ifndef HASH_TRANSFORM |
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#error "HASH_TRANSFORM must be defined!" |
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#endif |
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#ifndef HASH_FINAL |
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#error "HASH_FINAL must be defined!" |
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#endif |
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|
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#ifndef HASH_BLOCK_HOST_ORDER |
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#error "HASH_BLOCK_HOST_ORDER must be defined!" |
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#endif |
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|
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#if 0 |
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/* |
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* Moved below as it's required only if HASH_BLOCK_DATA_ORDER_ALIGNED |
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* isn't defined. |
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*/ |
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#ifndef HASH_BLOCK_DATA_ORDER |
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#error "HASH_BLOCK_DATA_ORDER must be defined!" |
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#endif |
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#endif |
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|
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#ifndef HASH_LBLOCK |
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#define HASH_LBLOCK (HASH_CBLOCK/4) |
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#endif |
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|
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#ifndef HASH_LONG_LOG2 |
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#define HASH_LONG_LOG2 2 |
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#endif |
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|
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/* |
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* Engage compiler specific rotate intrinsic function if available. |
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*/ |
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#undef ROTATE |
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#ifndef PEDANTIC |
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# if defined(_MSC_VER) || defined(__ICC) |
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# define ROTATE(a,n) _lrotl(a,n) |
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# elif defined(__MWERKS__) |
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# if defined(__POWERPC__) |
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# define ROTATE(a,n) __rlwinm(a,n,0,31) |
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# elif defined(__MC68K__) |
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/* Motorola specific tweak. <appro@fy.chalmers.se> */ |
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# define ROTATE(a,n) ( n<24 ? __rol(a,n) : __ror(a,32-n) ) |
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# else |
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# define ROTATE(a,n) __rol(a,n) |
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# endif |
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# elif defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) |
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/* |
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* Some GNU C inline assembler templates. Note that these are |
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* rotates by *constant* number of bits! But that's exactly |
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* what we need here... |
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* <appro@fy.chalmers.se> |
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*/ |
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# if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__) |
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# define ROTATE(a,n) ({ register unsigned int ret; \ |
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asm ( \ |
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"roll %1,%0" \ |
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: "=r"(ret) \ |
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: "I"(n), "0"(a) \ |
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: "cc"); \ |
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ret; \ |
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}) |
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# elif defined(__powerpc) || defined(__ppc__) || defined(__powerpc64__) |
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# define ROTATE(a,n) ({ register unsigned int ret; \ |
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asm ( \ |
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"rlwinm %0,%1,%2,0,31" \ |
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: "=r"(ret) \ |
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: "r"(a), "I"(n)); \ |
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ret; \ |
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}) |
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# endif |
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# endif |
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#endif /* PEDANTIC */ |
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|
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#if HASH_LONG_LOG2==2 /* Engage only if sizeof(HASH_LONG)== 4 */ |
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/* A nice byte order reversal from Wei Dai <weidai@eskimo.com> */ |
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#ifdef ROTATE |
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/* 5 instructions with rotate instruction, else 9 */ |
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#define REVERSE_FETCH32(a,l) ( \ |
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l=*(const HASH_LONG *)(a), \ |
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((ROTATE(l,8)&0x00FF00FF)|(ROTATE((l&0x00FF00FF),24))) \ |
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) |
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#else |
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/* 6 instructions with rotate instruction, else 8 */ |
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#define REVERSE_FETCH32(a,l) ( \ |
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l=*(const HASH_LONG *)(a), \ |
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l=(((l>>8)&0x00FF00FF)|((l&0x00FF00FF)<<8)), \ |
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ROTATE(l,16) \ |
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) |
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/* |
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* Originally the middle line started with l=(((l&0xFF00FF00)>>8)|... |
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* It's rewritten as above for two reasons: |
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* - RISCs aren't good at long constants and have to explicitely |
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* compose 'em with several (well, usually 2) instructions in a |
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* register before performing the actual operation and (as you |
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* already realized:-) having same constant should inspire the |
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* compiler to permanently allocate the only register for it; |
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* - most modern CPUs have two ALUs, but usually only one has |
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* circuitry for shifts:-( this minor tweak inspires compiler |
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* to schedule shift instructions in a better way... |
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* |
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* <appro@fy.chalmers.se> |
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*/ |
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#endif |
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#endif |
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|
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#ifndef ROTATE |
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#define ROTATE(a,n) (((a)<<(n))|(((a)&0xffffffff)>>(32-(n)))) |
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#endif |
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|
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/* |
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* Make some obvious choices. E.g., HASH_BLOCK_DATA_ORDER_ALIGNED |
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* and HASH_BLOCK_HOST_ORDER ought to be the same if input data |
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* and host are of the same "endianess". It's possible to mask |
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* this with blank #define HASH_BLOCK_DATA_ORDER though... |
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* |
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* <appro@fy.chalmers.se> |
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*/ |
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#if defined(B_ENDIAN) |
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# if defined(DATA_ORDER_IS_BIG_ENDIAN) |
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# if !defined(HASH_BLOCK_DATA_ORDER_ALIGNED) && HASH_LONG_LOG2==2 |
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# define HASH_BLOCK_DATA_ORDER_ALIGNED HASH_BLOCK_HOST_ORDER |
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# endif |
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# endif |
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#elif defined(L_ENDIAN) |
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# if defined(DATA_ORDER_IS_LITTLE_ENDIAN) |
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# if !defined(HASH_BLOCK_DATA_ORDER_ALIGNED) && HASH_LONG_LOG2==2 |
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# define HASH_BLOCK_DATA_ORDER_ALIGNED HASH_BLOCK_HOST_ORDER |
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# endif |
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# endif |
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#endif |
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|
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#if !defined(HASH_BLOCK_DATA_ORDER_ALIGNED) |
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#ifndef HASH_BLOCK_DATA_ORDER |
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#error "HASH_BLOCK_DATA_ORDER must be defined!" |
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#endif |
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#endif |
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|
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#if defined(DATA_ORDER_IS_BIG_ENDIAN) |
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|
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#ifndef PEDANTIC |
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# if defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) |
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# if ((defined(__i386) || defined(__i386__)) && !defined(I386_ONLY)) || \ |
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(defined(__x86_64) || defined(__x86_64__)) |
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/* |
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* This gives ~30-40% performance improvement in SHA-256 compiled |
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* with gcc [on P4]. Well, first macro to be frank. We can pull |
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* this trick on x86* platforms only, because these CPUs can fetch |
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* unaligned data without raising an exception. |
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*/ |
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# define HOST_c2l(c,l) ({ unsigned int r=*((const unsigned int *)(c)); \ |
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asm ("bswapl %0":"=r"(r):"0"(r)); \ |
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(c)+=4; (l)=r; }) |
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# define HOST_l2c(l,c) ({ unsigned int r=(l); \ |
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asm ("bswapl %0":"=r"(r):"0"(r)); \ |
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*((unsigned int *)(c))=r; (c)+=4; r; }) |
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# endif |
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# endif |
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#endif |
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|
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#ifndef HOST_c2l |
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|
308 |
#define HOST_c2l(c,l) (l =(((unsigned long)(*((c)++)))<<24), \ |
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|
309 |
l|=(((unsigned long)(*((c)++)))<<16), \ |
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|
310 |
l|=(((unsigned long)(*((c)++)))<< 8), \ |
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|
311 |
l|=(((unsigned long)(*((c)++))) ), \ |
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|
312 |
l) |
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|
313 |
#endif |
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|
314 |
#define HOST_p_c2l(c,l,n) { \ |
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|
315 |
switch (n) { \ |
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|
316 |
case 0: l =((unsigned long)(*((c)++)))<<24; \ |
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|
317 |
case 1: l|=((unsigned long)(*((c)++)))<<16; \ |
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|
318 |
case 2: l|=((unsigned long)(*((c)++)))<< 8; \ |
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|
319 |
case 3: l|=((unsigned long)(*((c)++))); \ |
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|
320 |
} } |
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|
321 |
#define HOST_p_c2l_p(c,l,sc,len) { \ |
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|
322 |
switch (sc) { \ |
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|
323 |
case 0: l =((unsigned long)(*((c)++)))<<24; \ |
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|
324 |
if (--len == 0) break; \ |
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|
325 |
case 1: l|=((unsigned long)(*((c)++)))<<16; \ |
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|
326 |
if (--len == 0) break; \ |
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|
327 |
case 2: l|=((unsigned long)(*((c)++)))<< 8; \ |
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|
328 |
} } |
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|
329 |
/* NOTE the pointer is not incremented at the end of this */ |
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|
330 |
#define HOST_c2l_p(c,l,n) { \ |
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|
331 |
l=0; (c)+=n; \ |
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|
332 |
switch (n) { \ |
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|
333 |
case 3: l =((unsigned long)(*(--(c))))<< 8; \ |
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|
334 |
case 2: l|=((unsigned long)(*(--(c))))<<16; \ |
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|
335 |
case 1: l|=((unsigned long)(*(--(c))))<<24; \ |
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|
336 |
} } |
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|
337 |
#ifndef HOST_l2c |
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|
338 |
#define HOST_l2c(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ |
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|
339 |
*((c)++)=(unsigned char)(((l)>>16)&0xff), \ |
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|
340 |
*((c)++)=(unsigned char)(((l)>> 8)&0xff), \ |
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|
341 |
*((c)++)=(unsigned char)(((l) )&0xff), \ |
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|
342 |
l) |
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|
343 |
#endif |
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|
344 |
|
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345 |
#elif defined(DATA_ORDER_IS_LITTLE_ENDIAN) |
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|
346 |
|
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347 |
#if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__) |
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348 |
# ifndef B_ENDIAN |
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349 |
/* See comment in DATA_ORDER_IS_BIG_ENDIAN section. */ |
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350 |
# define HOST_c2l(c,l) ((l)=*((const unsigned int *)(c)), (c)+=4, l) |
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351 |
# define HOST_l2c(l,c) (*((unsigned int *)(c))=(l), (c)+=4, l) |
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352 |
# endif |
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|
353 |
#endif |
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|
354 |
|
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|
355 |
#ifndef HOST_c2l |
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|
356 |
#define HOST_c2l(c,l) (l =(((unsigned long)(*((c)++))) ), \ |
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|
357 |
l|=(((unsigned long)(*((c)++)))<< 8), \ |
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|
358 |
l|=(((unsigned long)(*((c)++)))<<16), \ |
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|
359 |
l|=(((unsigned long)(*((c)++)))<<24), \ |
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|
360 |
l) |
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|
361 |
#endif |
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|
362 |
#define HOST_p_c2l(c,l,n) { \ |
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|
363 |
switch (n) { \ |
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|
364 |
case 0: l =((unsigned long)(*((c)++))); \ |
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|
365 |
case 1: l|=((unsigned long)(*((c)++)))<< 8; \ |
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|
366 |
case 2: l|=((unsigned long)(*((c)++)))<<16; \ |
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|
367 |
case 3: l|=((unsigned long)(*((c)++)))<<24; \ |
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|
368 |
} } |
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|
369 |
#define HOST_p_c2l_p(c,l,sc,len) { \ |
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|
370 |
switch (sc) { \ |
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|
371 |
case 0: l =((unsigned long)(*((c)++))); \ |
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|
372 |
if (--len == 0) break; \ |
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|
373 |
case 1: l|=((unsigned long)(*((c)++)))<< 8; \ |
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|
374 |
if (--len == 0) break; \ |
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|
375 |
case 2: l|=((unsigned long)(*((c)++)))<<16; \ |
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Revision: 201002
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|
376 |
} } |
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|
377 |
/* NOTE the pointer is not incremented at the end of this */ |
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|
378 |
#define HOST_c2l_p(c,l,n) { \ |
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|
379 |
l=0; (c)+=n; \ |
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|
380 |
switch (n) { \ |
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Revision: 201002
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|
381 |
case 3: l =((unsigned long)(*(--(c))))<<16; \ |
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Revision: 201002
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|
382 |
case 2: l|=((unsigned long)(*(--(c))))<< 8; \ |
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Revision: 201002
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|
383 |
case 1: l|=((unsigned long)(*(--(c)))); \ |
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Revision: 201002
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|
384 |
} } |
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|
385 |
#ifndef HOST_l2c |
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|
386 |
#define HOST_l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ |
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|
387 |
*((c)++)=(unsigned char)(((l)>> 8)&0xff), \ |
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Revision: 201002
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|
388 |
*((c)++)=(unsigned char)(((l)>>16)&0xff), \ |
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Revision: 201002
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|
389 |
*((c)++)=(unsigned char)(((l)>>24)&0xff), \ |
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Revision: 201002
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|
390 |
l) |
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|
391 |
#endif |
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|
392 |
|
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|
393 |
#endif |
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|
394 |
|
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Revision: 201002
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|
395 |
/* |
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|
396 |
* Time for some action:-) |
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|
397 |
*/ |
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|
398 |
|
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Revision: 201002
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|
399 |
EXPORT_C int HASH_UPDATE (HASH_CTX *c, const void *data_, size_t len) |
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Revision: 201002
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|
400 |
{ |
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Revision: 201002
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|
401 |
const unsigned char *data=data_; |
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Revision: 201002
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|
402 |
register HASH_LONG * p; |
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Revision: 201002
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|
403 |
register HASH_LONG l; |
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Revision: 201002
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|
404 |
size_t sw,sc,ew,ec; |
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Revision: 201002
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|
405 |
|
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Revision: 201002
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|
406 |
if (len==0) return 1; |
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diff
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|
407 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
l=(c->Nl+(((HASH_LONG)len)<<3))&0xffffffffUL; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
/* 95-05-24 eay Fixed a bug with the overflow handling, thanks to |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
* Wei Dai <weidai@eskimo.com> for pointing it out. */ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
if (l < c->Nl) /* overflow */ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
c->Nh++; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
413 |
c->Nh+=(len>>29); /* might cause compiler warning on 16-bit */ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
c->Nl=l; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
416 |
if (c->num != 0) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
418 |
p=c->data; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
sw=c->num>>2; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
sc=c->num&0x03; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
if ((c->num+len) >= HASH_CBLOCK) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
l=p[sw]; HOST_p_c2l(data,l,sc); p[sw++]=l; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
for (; sw<HASH_LBLOCK; sw++) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
HOST_c2l(data,l); p[sw]=l; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
HASH_BLOCK_HOST_ORDER (c,p,1); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
len-=(HASH_CBLOCK-c->num); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
c->num=0; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
/* drop through and do the rest */ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
else |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
c->num+=(unsigned int)len; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
if ((sc+len) < 4) /* ugly, add char's to a word */ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
l=p[sw]; HOST_p_c2l_p(data,l,sc,len); p[sw]=l; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
else |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
ew=(c->num>>2); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
ec=(c->num&0x03); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
if (sc) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
l=p[sw]; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
HOST_p_c2l(data,l,sc); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
p[sw++]=l; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
for (; sw < ew; sw++) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
HOST_c2l(data,l); p[sw]=l; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
if (ec) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
HOST_c2l_p(data,l,ec); p[sw]=l; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
return 1; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
sw=len/HASH_CBLOCK; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
if (sw > 0) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
#if defined(HASH_BLOCK_DATA_ORDER_ALIGNED) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
/* |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
* Note that HASH_BLOCK_DATA_ORDER_ALIGNED gets defined |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
* only if sizeof(HASH_LONG)==4. |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
*/ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
if ((((size_t)data)%4) == 0) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
/* data is properly aligned so that we can cast it: */ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
HASH_BLOCK_DATA_ORDER_ALIGNED (c,(const HASH_LONG *)data,sw); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
sw*=HASH_CBLOCK; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
data+=sw; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
len-=sw; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
else |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
#if !defined(HASH_BLOCK_DATA_ORDER) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
while (sw--) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
memcpy (p=c->data,data,HASH_CBLOCK); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
HASH_BLOCK_DATA_ORDER_ALIGNED(c,p,1); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
data+=HASH_CBLOCK; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
len-=HASH_CBLOCK; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
#endif |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
#endif |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
#if defined(HASH_BLOCK_DATA_ORDER) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
HASH_BLOCK_DATA_ORDER(c,data,sw); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
sw*=HASH_CBLOCK; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
data+=sw; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
len-=sw; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
#endif |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
if (len!=0) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
p = c->data; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
c->num = len; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
ew=len>>2; /* words to copy */ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
ec=len&0x03; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
for (; ew; ew--,p++) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
HOST_c2l(data,l); *p=l; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
HOST_c2l_p(data,l,ec); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
*p=l; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
return 1; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
EXPORT_C void HASH_TRANSFORM (HASH_CTX *c, const unsigned char *data) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
#if defined(HASH_BLOCK_DATA_ORDER_ALIGNED) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
if ((((size_t)data)%4) == 0) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
/* data is properly aligned so that we can cast it: */ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
HASH_BLOCK_DATA_ORDER_ALIGNED (c,(const HASH_LONG *)data,1); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
else |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
#if !defined(HASH_BLOCK_DATA_ORDER) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
memcpy (c->data,data,HASH_CBLOCK); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
HASH_BLOCK_DATA_ORDER_ALIGNED (c,c->data,1); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
527 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
#endif |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
529 |
#endif |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
#if defined(HASH_BLOCK_DATA_ORDER) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
HASH_BLOCK_DATA_ORDER (c,data,1); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
532 |
#endif |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
534 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
536 |
EXPORT_C int HASH_FINAL (unsigned char *md, HASH_CTX *c) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
537 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
538 |
register HASH_LONG *p; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
539 |
register unsigned long l; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
540 |
register int i,j; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
541 |
static const unsigned char end[4]={0x80,0x00,0x00,0x00}; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
542 |
const unsigned char *cp=end; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
543 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
544 |
/* c->num should definitly have room for at least one more byte. */ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
545 |
p=c->data; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
546 |
i=c->num>>2; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
547 |
j=c->num&0x03; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
548 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
549 |
#if 0 |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
550 |
/* purify often complains about the following line as an |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
551 |
* Uninitialized Memory Read. While this can be true, the |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
552 |
* following p_c2l macro will reset l when that case is true. |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
553 |
* This is because j&0x03 contains the number of 'valid' bytes |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
554 |
* already in p[i]. If and only if j&0x03 == 0, the UMR will |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
555 |
* occur but this is also the only time p_c2l will do |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
556 |
* l= *(cp++) instead of l|= *(cp++) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
557 |
* Many thanks to Alex Tang <altitude@cic.net> for pickup this |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
558 |
* 'potential bug' */ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
559 |
#ifdef PURIFY |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
560 |
if (j==0) p[i]=0; /* Yeah, but that's not the way to fix it:-) */ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
561 |
#endif |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
562 |
l=p[i]; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
563 |
#else |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
564 |
l = (j==0) ? 0 : p[i]; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
565 |
#endif |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
566 |
HOST_p_c2l(cp,l,j); p[i++]=l; /* i is the next 'undefined word' */ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
567 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
568 |
if (i>(HASH_LBLOCK-2)) /* save room for Nl and Nh */ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
569 |
{ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
570 |
if (i<HASH_LBLOCK) p[i]=0; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
571 |
HASH_BLOCK_HOST_ORDER (c,p,1); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
i=0; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
573 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
574 |
for (; i<(HASH_LBLOCK-2); i++) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
575 |
p[i]=0; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
576 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
577 |
#if defined(DATA_ORDER_IS_BIG_ENDIAN) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
578 |
p[HASH_LBLOCK-2]=c->Nh; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
p[HASH_LBLOCK-1]=c->Nl; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
#elif defined(DATA_ORDER_IS_LITTLE_ENDIAN) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
p[HASH_LBLOCK-2]=c->Nl; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
p[HASH_LBLOCK-1]=c->Nh; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
#endif |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
HASH_BLOCK_HOST_ORDER (c,p,1); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
586 |
#ifndef HASH_MAKE_STRING |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
587 |
#error "HASH_MAKE_STRING must be defined!" |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
588 |
#else |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
589 |
HASH_MAKE_STRING(c,md); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
590 |
#endif |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
591 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
592 |
c->num=0; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
593 |
/* clear stuff, HASH_BLOCK may be leaving some stuff on the stack |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
594 |
* but I'm not worried :-) |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
595 |
OPENSSL_cleanse((void *)c,sizeof(HASH_CTX)); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
596 |
*/ |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
597 |
return 1; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
598 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
599 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
600 |
#ifndef MD32_REG_T |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
601 |
#define MD32_REG_T long |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
602 |
/* |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
603 |
* This comment was originaly written for MD5, which is why it |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
604 |
* discusses A-D. But it basically applies to all 32-bit digests, |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
605 |
* which is why it was moved to common header file. |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
606 |
* |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
607 |
* In case you wonder why A-D are declared as long and not |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
608 |
* as MD5_LONG. Doing so results in slight performance |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
609 |
* boost on LP64 architectures. The catch is we don't |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
610 |
* really care if 32 MSBs of a 64-bit register get polluted |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
611 |
* with eventual overflows as we *save* only 32 LSBs in |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
612 |
* *either* case. Now declaring 'em long excuses the compiler |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
613 |
* from keeping 32 MSBs zeroed resulting in 13% performance |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
614 |
* improvement under SPARC Solaris7/64 and 5% under AlphaLinux. |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
615 |
* Well, to be honest it should say that this *prevents* |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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* performance degradation. |
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Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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617 |
* <appro@fy.chalmers.se> |
e4d67989cc36
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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* Apparently there're LP64 compilers that generate better |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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619 |
* code if A-D are declared int. Most notably GCC-x86_64 |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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620 |
* generates better code. |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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621 |
* <appro@fy.chalmers.se> |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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622 |
*/ |
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Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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#endif |