#include

#include

#include

#include

#define ROTL$($a$,$b$)((($a$)<<($b$))|(($a$)>>(32-($b$))))$

#define ROTR$($a$,$b$)((($a$)>>($b$))|(($a$)<<(32-($b$))))$

#define CH$($x$,$y$,$z$)((($x$)$ & $($y$))^($~$($x$)$ & $($z$)))$

#define MAJ$($x$,$y$,$z$)((($x$)$ & $($y$))^(($x$)$ & $($z$))^(($y$)$ & $($z$)))$

#define Sigma$0($x$)($ROTR$($x$,2)^$ ROTR$($x$,13)^$ ROTR$($x$,22))$

#define Sigma$1($x$)($ROTR$($x$,6)^$ ROTR$($x$,11)^$ ROTR$($x$,25))$

#define sigma$0($x$)($ROTR$($x$,7)^$ ROTR$($x$,18)^(($x$)>>3))$

#define sigma$1($x$)($ROTR$($x$,17)^$ ROTR$($x$,19)^(($x$)>>10))$

#define ROTL$512($a$,$b$)((($a$)<<($b$))|(($a$)>>(64-($b$))))$

#define ROTR$512($a$,$b$)((($a$)>>($b$))|(($a$)<<(64-($b$))))$

#define sigma$5120($x$)($ROTR$512($x$,1)^$ ROTR$512($x$,8)^(($x$)>>7))$

#define sigma$5121($x$)($ROTR$512($x$,19)^$ ROTR$512($x$,61)^(($x$)>>6))$

#define Sigma$5120($x$)($ROTR$512($x$,28)^$ ROTR$512($x$,34)^$ ROTR$512($x$,39))$

#define Sigma$5121($x$)($ROTR$512($x$,14)^$ ROTR$512($x$,18)^$ ROTR$512($x$,41))$

void sha$1\_$process$($unsigned int$[],$ unsigned char$[])$;

void sha$256\_$process$($unsigned int$[],$ unsigned char$[])$;

void sha$512\_$process$($unsigned long $[],$ unsigned char $[])$;

int testSHA$($int shatype, int numT$)$;

int main $($int argc, char $*$argv$[])\{$

int numofT$=100$;

testSHA$(1,$numofT$)$;

testSHA$(2,$numofT$)$;

testSHA$(3,$numofT$)$;

exit$(0)$;

$\}$

void sha$\_$msg$\_$pad$($unsigned char message$[],$ int size, unsigned int bitlen,

unsigned char paddedmsg$[])\{$

int i;

for $($i$=0$; i$>8$;

paddedmsg$[61]=$ bitlen $>>16$;

paddedmsg$[60]=$ bitlen $>>24$;

return;

$\}$

void sha$\_$msg$\_$pad$0($unsigned int bitlen, unsigned char paddedmsg$[])\{$

int i;

for $($i$=0$; i$<64$; i$++)\{$

paddedmsg$[$i$]=0$x$00$;

$\}$

paddedmsg$[63]=$ bitlen;

paddedmsg$[62]=$ bitlen $>>8$;

paddedmsg$[61]=$ bitlen $>>16$;

paddedmsg$[60]=$ bitlen $>>24$;

return;

$\}$

void sha$1\_$md$($unsigned char message$[],$ int size, unsigned int hash$[5])\{$

unsigned int bitlen $=8*$size;

hash$[0]=0$x$67452301$;

hash$[1]=0$xEFCDAB$89$;

hash$[2]=0$x$98$BADCFE;

hash$[3]=0$x$10325476$;

hash$[4]=0$xC$3$D$2$E$1$F$0$;

int i;

unsigned char msgTBH$[64]$; $/*64$ BYTE msg to be hashed $*/$

unsigned char paddedMessage$[64]$; $/*$ last msg block to be hashed$*/$

int Q$=$ size$/64$;

int R$=$ size$\%64$;

unsigned char msg$[$R$]$;

memcpy$($msg$,$ &message$[64*$Q$],$ R $*$ sizeof$($unsigned char$))$;

for $($i$=0$; i$55)\{$

memcpy$($msgTBH$,$ msg$,$ R $*$ sizeof$($unsigned char$))$;

msgTBH$[$R$]=0$x$80$;

for $($i$=$R$+1$; i$<64$; i$++)\{$

msgTBH$[$i$]=0$x$00$;

$\}$

sha$1\_$process$($hash$,$ msgTBH$)$;

sha$\_$msg$\_$pad$0($bitlen$,$paddedMessage$)$;

$\}$ else $\{$

sha$\_$msg$\_$pad$($msg$,$ R$,$ bitlen, paddedMessage$)$;

$\}$

sha$1\_$process$($hash$,$ paddedMessage$)$;

return;

$\}$

void sha$1\_$process$($unsigned int hash$[],$ unsigned char msg$[])\{$

const unsigned int K$[4]=\{0$x$5$A$827999,0$x$6$ED$9$EBA$1,0$x$8$F$1$BBCDC$,0$xCA$62$C$1$D$6\}$;

unsigned int W$[80]$;

unsigned int A$,$ B$,$ C$,$ D$,$ E$,$ T;

int i;

for$($i $=0$; i $<16$; i$++)\{$

W$[$i$]=((($unsigned$)$ msg$[$i $*4])<<24)+$

$((($unsigned$)$ msg$[$i $*4+1])<<16)+$

$((($unsigned$)$ msg$[$i $*4+2])<<8)+$

$((($unsigned$)$ msg$[$i $*4+3]))$;

$\}$

for$($i $=16$; i $<80$; i$++)\{$

W$[$i$]=$ W$[$i$-3]^$ W$[$i$-8]^$ W$[$i$-14]^$ W$[$i$-16]$;

W$[$i$]=$ ROTL$($W$[$i$],1)$;

$\}$

A $=$ hash$[0]$;

B $=$ hash$[1]$;

C $=$ hash$[2]$;

D $=$ hash$[3]$;

E $=$ hash$[4]$;

for$($i $=0$; i $<20$; i$++)\{$

T $=$ ROTL$($A$,5)+(($B & C$)^(($~B$)$ & D$))+$ E $+$ W$[$i$]+$ K$[0]$;

E $=$ D;

D $=$ C;

C $=$ ROTL$($B$,30)$;

B $=$ A;

A $=$ T;

$\}$

for$($i $=20$; i $<40$; i$++)\{$

T $=$ ROTL$($A$,5)+($B$^$C$^$D$)+$ E $+$ W$[$i$$

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