//?????????ATMEL?Microcontroller?Software?Support??-??Colorado?Springs?CO?-
//?----------------------------------------------------------------------------
//?DISCLAIMER:??THIS?SOFTWARE?IS?PROVIDED?BY?ATMEL?“AS?IS“?AND?ANY?EXPRESS?OR
//?IMPLIED?WARRANTIES?INCLUDING?BUT?NOT?LIMITED?TO?THE?IMPLIED?WARRANTIES?OF
//?MERCHANTABILITY?FITNESS?FOR?A?PARTICULAR?PURPOSE?AND?NON-INFRINGEMENT?ARE
//?DISCLAIMED.?IN?NO?EVENT?SHALL?ATMEL?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.
//?----------------------------------------------------------------------------

/**?\file
?*??\brief??SHA204?Helper?Functions
?*??\author?Tuwuh?Sarwoprasojo?Atmel?Bali?Team
?*??\date???November?21?2011
?*/

#include?????????????????????//?needed?for?memcpy（）
#include?

#include?“sha204_helper.h“
#include?“sha204_lib_return_codes.h“???//?declarations?of?function?return?codes
#include?“sha204_comm_marshaling.h“????//?definitions?and?declarations?for?the?Command?module

//?Atmel‘s?SHA256?implementation
//?#include?“Sha256_atmel.h“

//?Modified?free/open-source?SHA256?implementation?（taken?from?SA102?library）
#include?“sha256.h“


/**?\brief?This?is?a?wrapper?function?for?SHA256?algorithm.
?*
?*?????????User?can?modify?this?function?depending?on?their?SHA256?implementation.
?*
?*?\param?[inout]?param?Structure?for?input/output?parameters.?Refer?to?sha204h_calculate_sha256_in_out.
?*/
static?void?sha204h_calculate_sha256（struct?sha204h_calculate_sha256_in_out?*param）
{
	//?This?is?the?“free/open-source“?implementation
	sha256（param->message?param->length?param->digest）;
	
	//?This?is?Atmel‘s?implementation
	//?create_sha256（param->length?param->message?param->digest）;
}


/**?\brief?This?function?calculates?a?32-byte?nonce?based?on?20-byte?input?value?（NumIn）?and?32-byte?random?number?（RandOut）.
?*
?*?????????This?nonce?will?match?with?the?nonce?generated?in?the?Device?by?Nonce?opcode.
?*?????????To?use?this?function?Application?first?executes?Nonce?command?in?the?Device?with?a?chosen?NumIn.
?*?????????Nonce?opcode?Mode?parameter?must?be?set?to?use?random?nonce?（mode?0?or?1）.
?*?????????The?Device?generates?a?nonce?stores?it?in?its?TempKey?and?outputs?random?number?RandOut?to?host.
?*?????????This?RandOut?along?with?NumIn?are?passed?to?nonce?calculation?function.?The?function?calculates?the?nonce?and?returns?it.
?*?????????This?function?can?also?be?used?to?fill?in?the?nonce?directly?to?TempKey?（pass-through?mode）.?The?flags?will?automatically?set?according?to?the?mode?us

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-03-25?14:33??com_sha204\
?????目錄???????????0??2017-03-25?14:33??com_sha204\sha204_helper\
?????文件???????33538??2017-03-02?21:05??com_sha204\sha204_helper\sha204_helper.c
?????文件???????14251??2017-03-07?11:46??com_sha204\sha204_helper\sha204_helper.h
?????目錄???????????0??2017-03-25?14:33??com_sha204\sha204_helper\sha256\
?????文件????????6957??2011-11-18?11:30??com_sha204\sha204_helper\sha256\Sha256_atmel.c
?????文件?????????406??2011-11-18?11:32??com_sha204\sha204_helper\sha256\Sha256_atmel.h
?????文件???????15848??2010-01-27?17:33??com_sha204\sha204_helper\sha256\sha256.c
?????文件????????2847??2010-01-27?17:33??com_sha204\sha204_helper\sha256\sha256.h
?????目錄???????????0??2017-03-25?14:33??com_sha204\sha204_library\
?????目錄???????????0??2017-03-25?14:33??com_sha204\sha204_library\arch\
?????目錄???????????0??2017-03-25?14:33??com_sha204\sha204_library\arch\smd21\
?????目錄???????????0??2017-03-25?14:33??com_sha204\sha204_library\arch\smd21\i2c\
?????文件???????24594??2017-02-26?13:18??com_sha204\sha204_library\arch\smd21\i2c\i2c_common.h
?????文件???????34869??2017-02-24?17:13??com_sha204\sha204_library\arch\smd21\i2c\i2c_master.c
?????文件???????19641??2017-02-24?17:13??com_sha204\sha204_library\arch\smd21\i2c\i2c_master.h
?????文件????????9663??2017-03-25?13:22??com_sha204\sha204_library\arch\smd21\i2c\i2c_phys.c
?????文件????????4757??2017-03-17?15:25??com_sha204\sha204_library\arch\smd21\i2c\i2c_phys.h
?????目錄???????????0??2017-03-25?14:33??com_sha204\sha204_library\arch\smd21\timer\
?????文件????????3955??2017-02-24?16:59??com_sha204\sha204_library\arch\smd21\timer\sha204_timer_utilities.c
?????文件????????2148??2014-12-01?10:45??com_sha204\sha204_library\arch\smd21\timer\sha204_timer_utilities.h
?????文件???????11705??2017-02-26?11:23??com_sha204\sha204_library\sha204_comm.c
?????文件????????4202??2015-01-23?14:16??com_sha204\sha204_library\sha204_comm.h
?????文件???????10526??2015-05-25?15:56??com_sha204\sha204_library\sha204_comm_marshaling.c
?????文件???????26824??2015-05-25?15:17??com_sha204\sha204_library\sha204_comm_marshaling.h
?????文件????????6998??2017-02-26?13:45??com_sha204\sha204_library\sha204_config.h
?????文件???????10032??2017-02-24?17:03??com_sha204\sha204_library\sha204_i2c.c
?????文件????????3945??2014-01-16?10:11??com_sha204\sha204_library\sha204_lib_return_codes.h
?????文件????????4310??2017-02-26?11:24??com_sha204\sha204_library\sha204_physical.h