/**
?*?Copyright?（C）?2006-2015?Henning?Norén
?*?
?*?This?program?is?free?software;?you?can?redistribute?it?and/or
?*?modify?it?under?the?terms?of?the?GNU?General?Public?License
?*?as?published?by?the?Free?Software?Foundation;?either?version?2
?*?of?the?License?or?（at?your?option）?any?later?version.
?*
?*?This?program?is?distributed?in?the?hope?that?it?will?be?useful
?*?but?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
?*?MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.??See?the
?*?GNU?General?Public?License?for?more?details.
?*
?*?You?should?have?received?a?copy?of?the?GNU?General?Public?License
?*?along?with?this?program;?if?not?write?to?the?Free?Software
?*?Foundation?Inc.?51?Franklin?Street?Fifth?Floor?Boston?MA??02110-1301?
?*?USA.
?*/

#include?
#include?
#include?
#include?
#include?
#include?
#include?“benchmark.h“
#include?“common.h“
#include?“md5.h“
#include?“rc4.h“
#include?“sha256.h“
#include?“pdfcrack.h“

#define?COMMON_MD5_SIZE?88
#define?COMMON_SHA256_SIZE?40
#define?COMMON_SHA256_SLOW_SIZE?56

#define?BENCHINTERVAL?3?/**?The?interval?to?run?the?specific?benchmarks?*/

static?volatile?bool?finished?=?false;

/**?interruptBench?is?used?to?stop?the?current?benchmark?*/
static?void
interruptBench（）?{
??finished?=?true;
}

/**?print_and_clean?was?supposed?to?make?the?binary?somewhat?smaller?but
????I?think?I?failed?and?have?not?bothered?to?investigate?it?further?（like?
????checking?if?the?function?is?inlined?or?if?one?can?force?it?to?not?be?
????inline）.?As?this?stuff?is?pretty?boring?and?not?critical?to?performance?I?
????would?prefer?that?all?the?boring?stuff?between?benchmarks?would?be?as?
????small?as?possible.
*/
static?void
print_and_clean（const?char?*str?unsigned?int?nrprocessed
		const?clock_t?*start?const?clock_t?*end）?{
??printf（“%s\t%.1f\n“?str?
	?nrprocessed/（（（double）（*end-*start））/CLOCKS_PER_SEC））;
??cleanPDFCrack（）;
??finished?=?false;
}

static?void
sha256_bench（void）?{
??uint8_t?*buf;
??uint8_t?hash[32];
??unsigned?int?nrprocessed?=?0;
??clock_t?startTime?endTime;

??buf?=?calloc（COMMON_SHA256_SLOW_SIZE?sizeof（uint8_t））;

??alarm（BENCHINTERVAL）;
??startTime?=?clock（）;
??while（!finished）?{
????sha256f（buf?COMMON_SHA256_SIZE?hash）;
????buf[0]++;
????nrprocessed++;
??}
??endTime?=?clock（）;
??print_and_clean（“SHA256?（fast）:\t“?nrprocessed?&startTime?&endTime）;

??buf[0]?=?0;
??nrprocessed?=?0;
??alarm（BENCHINTERVAL）;
??startTime?=?clock（）;
??while（!finished）?{
????sha256（buf?COMMON_SHA256_SLOW_SIZE?hash）;
????buf[0]++;
????nrprocessed++;
??}
??endTime?=?clock（）;
??print_and_clean（“SHA256?（slow）:\t“?nrprocessed?&startTime?&endTime）;
??free（buf）;
}


static?void
md5_bench（void）?{
??uint8_t?*buf;
??uint8_t?digest[16];
??unsigned?int?nrprocessed?=?0;
??clock_t?startTime?endTime;

??buf?=?calloc（COMMON_MD5_SIZE?sizeof（uint8_t））;

??alarm（BENCHINTERVAL）;
??startTime?=?clock（）;
??while（!finished）?{
????md5（buf?COMMON_MD5_SIZE?d