mirror of https://github.com/0intro/conterm
use assembly
This commit is contained in:
Russ Cox
parent
f493c9c544
commit
93a43be0ea
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@ -1,5 +1,6 @@
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# Unix
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AR=ar
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AS=as
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CC=gcc
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RANLIB=ranlib
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CFLAGS=-I$(ROOT) -I$(ROOT)/include -I$(ROOT)/kern -c -ggdb -D_THREAD_SAFE -pthread # not ready for this yet: -Wall
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@ -7,6 +7,7 @@ MING=mingw32-
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#MING=
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AR=$(MING)ar
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CC=$(MING)gcc
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AS=$(MING)as
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RANLIB=$(MING)ranlib
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CFLAGS=-I$(ROOT)/include -I$(ROOT) -I$(ROOT)/kern -c -D_X86_ -DIS_32 -DWINDOWS
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O=o
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@ -28,7 +29,7 @@ TARG=drawterm.exe
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#OS=win32
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#GUI=win32
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all: $(TARG)
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all: default
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# for root
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libmachdep.a:
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@ -33,7 +33,6 @@ OFILES=\
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hmac.$O\
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md4.$O\
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md5.$O\
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md5block.$O\
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md5pickle.$O\
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nfastrand.$O\
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prng.$O\
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@ -46,7 +45,6 @@ OFILES=\
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rsagen.$O\
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rsaprivtopub.$O\
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sha1.$O\
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sha1block.$O\
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sha1pickle.$O\
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smallprimes.$O
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@ -4,6 +4,8 @@ LIB=../libmachdep.a
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OFILES=\
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getcallerpc.$O\
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md5block.$O\
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sha1block.$O\
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tas.$O
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default: $(LIB)
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@ -14,3 +16,10 @@ $(LIB): $(OFILES)
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%.$O: %.c
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$(CC) $(CFLAGS) $*.c
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%.$O: %.s
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$(AS) -o $*.$O $*.s
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%.s: %.spp
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cpp $*.spp >$*.s
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@ -43,7 +43,7 @@
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#define S43 15
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#define S44 21
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#define PAYME(x) $##x
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#define PAYME(x) $ ## x
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/*
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* SI is data
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@ -102,14 +102,16 @@
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orl B, %edi;\
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xorl C, %edi;\
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#define DATA 8
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#define LEN 12
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#define STATE 16
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#define STACKSIZE 20
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#define EDATA (-4)
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#define OLDEBX (-8)
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#define OLDESI (-12)
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#define OLDEDI (-16)
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#define DATA (STACKSIZE+8)
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#define LEN (STACKSIZE+12)
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#define STATE (STACKSIZE+16)
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#define EDATA (STACKSIZE-4)
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#define OLDEBX (STACKSIZE-8)
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#define OLDESI (STACKSIZE-12)
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#define OLDEDI (STACKSIZE-16)
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.text
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@ -120,6 +122,7 @@
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/* Prelude */
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pushl %ebp
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subl $(STACKSIZE), %esp
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movl %ebx, OLDEBX(%esp)
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movl %esi, OLDESI(%esp)
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movl %edi, OLDEDI(%esp)
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@ -130,7 +133,7 @@
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movl DATA(%esp), %ebp
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mainloop:
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0:
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movl STATE(%esp), %esi
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movl (%esi), %eax
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movl 4(%esi), %ebx
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@ -229,13 +232,13 @@ mainloop:
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movl EDATA(%esp), %edi
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cmpl %edi, %ebp
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jb mainloop
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jb 0b
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/* Postlude */
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movl OLDEBX(%esp), %ebx
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movl OLDESI(%esp), %esi
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movl OLDEDI(%esp), %edi
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movl %esp, %ebp
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leave
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addl $(STACKSIZE), %esp
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popl %ebp
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ret
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@ -75,9 +75,10 @@ _sha1block:
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* stack offsets
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* void sha1block(uchar *DATA, int LEN, ulong *STATE)
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*/
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#define DATA 8
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#define LEN 12
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#define STATE 16
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#define STACKSIZE (48+80*4)
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#define DATA (STACKSIZE+8)
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#define LEN (STACKSIZE+12)
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#define STATE (STACKSIZE+16)
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/*
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* stack offsets for locals
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@ -89,20 +90,22 @@ _sha1block:
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* ulong a = eax, b = ebx, c = ecx, d = edx, e = esi
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* ulong tmp = edi
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*/
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#define WARRAY (-4-(80*4))
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#define TMP1 (-8-(80*4))
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#define TMP2 (-12-(80*4))
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#define W15 (-16-(80*4))
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#define W40 (-20-(80*4))
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#define W60 (-24-(80*4))
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#define W80 (-28-(80*4))
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#define EDATA (-32-(80*4))
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#define OLDEBX (-36-(80*4))
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#define OLDESI (-40-(80*4))
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#define OLDEDI (-44-(80*4))
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#define WARRAY (STACKSIZE-4-(80*4))
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#define TMP1 (STACKSIZE-8-(80*4))
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#define TMP2 (STACKSIZE-12-(80*4))
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#define W15 (STACKSIZE-16-(80*4))
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#define W40 (STACKSIZE-20-(80*4))
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#define W60 (STACKSIZE-24-(80*4))
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#define W80 (STACKSIZE-28-(80*4))
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#define EDATA (STACKSIZE-32-(80*4))
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#define OLDEBX (STACKSIZE-36-(80*4))
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#define OLDESI (STACKSIZE-40-(80*4))
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#define OLDEDI (STACKSIZE-44-(80*4))
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/* Prelude */
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pushl %ebp
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subl $(STACKSIZE), %esp
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mov %ebx, OLDEBX(%esp)
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mov %esi, OLDESI(%esp)
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mov %edi, OLDEDI(%esp)
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@ -120,7 +123,7 @@ _sha1block:
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leal (WARRAY+80*4)(%esp), %edi /* aw80 */
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movl %edi, W80(%esp)
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mainloop:
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0:
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leal WARRAY(%esp), %ebp /* warray */
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movl STATE(%esp), %edi /* state */
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@ -133,7 +136,7 @@ mainloop:
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movl DATA(%esp), %ebx /* data */
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loop1:
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1:
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BODY0(0,FN1,0x5a827999,%eax,TMP1(%esp),%ecx,%edx,%esi)
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movl %esi,TMP2(%esp)
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BODY0(4,FN1,0x5a827999,%esi,%eax,TMP1(%esp),%ecx,%edx)
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@ -147,7 +150,7 @@ loop1:
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addl $20, %ebx
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addl $20, %ebp
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cmpl W15(%esp), %ebp /* w15 */
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jb loop1
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jb 1b
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BODY0(0,FN1,0x5a827999,%eax,TMP1(%esp),%ecx,%edx,%esi)
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addl $4, %ebx
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@ -161,7 +164,7 @@ loop1:
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addl $20, %ebp
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loop2:
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2:
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BODY(0,FN24,0x6ed9eba1,%eax,%ebx,%ecx,%edx,%esi)
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BODY(4,FN24,0x6ed9eba1,%esi,%eax,%ebx,%ecx,%edx)
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BODY(8,FN24,0x6ed9eba1,%edx,%esi,%eax,%ebx,%ecx)
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@ -170,9 +173,9 @@ loop2:
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addl $20,%ebp
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cmpl W40(%esp), %ebp
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jb loop2
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jb 2b
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loop3:
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3:
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BODY(0,FN3,0x8f1bbcdc,%eax,%ebx,%ecx,%edx,%esi)
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BODY(4,FN3,0x8f1bbcdc,%esi,%eax,%ebx,%ecx,%edx)
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BODY(8,FN3,0x8f1bbcdc,%edx,%esi,%eax,%ebx,%ecx)
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@ -181,9 +184,9 @@ loop3:
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addl $20, %ebp
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cmpl W60(%esp), %ebp /* w60 */
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jb loop3
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jb 3b
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loop4:
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4:
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BODY(0,FN24,0xca62c1d6,%eax,%ebx,%ecx,%edx,%esi)
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BODY(4,FN24,0xca62c1d6,%esi,%eax,%ebx,%ecx,%edx)
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BODY(8,FN24,0xca62c1d6,%edx,%esi,%eax,%ebx,%ecx)
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@ -192,7 +195,7 @@ loop4:
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addl $20, %ebp
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cmpl W80(%esp), %ebp /* w80 */
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jb loop4
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jb 4b
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movl STATE(%esp), %edi /* state */
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addl %eax, 0(%edi)
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@ -203,12 +206,12 @@ loop4:
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movl EDATA(%esp), %edi /* edata */
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cmpl %edi, DATA(%esp) /* data */
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jb mainloop
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jb 0b
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/* Postlude */
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mov OLDEBX(%esp), %ebx
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mov OLDESI(%esp), %esi
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mov OLDEDI(%esp), %edi
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movl %esp, %ebp
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leave
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addl $(STACKSIZE), %esp
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popl %ebp
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ret
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@ -4,6 +4,8 @@ LIB=../libmachdep.a
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OFILES=\
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getcallerpc.$O\
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md5block.$O\
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sha1block.$O\
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tas.$O
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default: $(LIB)
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@ -14,3 +16,10 @@ $(LIB): $(OFILES)
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%.$O: %.c
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$(CC) $(CFLAGS) $*.c
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%.$O: %.s
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$(AS) -o $*.$O $*.s
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%.s: %.spp
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cpp $*.spp >$*.s
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@ -0,0 +1,267 @@
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#include "os.h"
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#include <libsec.h>
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/*
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* rfc1321 requires that I include this. The code is new. The constants
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* all come from the rfc (hence the copyright). We trade a table for the
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* macros in rfc. The total size is a lot less. -- presotto
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*
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* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
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* rights reserved.
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*
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* License to copy and use this software is granted provided that it
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* is identified as the "RSA Data Security, Inc. MD5 Message-Digest
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* Algorithm" in all material mentioning or referencing this software
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* or this function.
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*
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* License is also granted to make and use derivative works provided
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* that such works are identified as "derived from the RSA Data
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* Security, Inc. MD5 Message-Digest Algorithm" in all material
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* mentioning or referencing the derived work.
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*
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* RSA Data Security, Inc. makes no representations concerning either
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* the merchantability of this software or the suitability of this
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* software forany particular purpose. It is provided "as is"
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* without express or implied warranty of any kind.
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* These notices must be retained in any copies of any part of this
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* documentation and/or software.
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*/
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/*
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* Rotate ammounts used in the algorithm
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*/
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enum
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{
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S11= 7,
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S12= 12,
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S13= 17,
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S14= 22,
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S21= 5,
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S22= 9,
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S23= 14,
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S24= 20,
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S31= 4,
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S32= 11,
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S33= 16,
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S34= 23,
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S41= 6,
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S42= 10,
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S43= 15,
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S44= 21,
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};
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static u32int md5tab[] =
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{
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/* round 1 */
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/*[0]*/ 0xd76aa478,
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0xe8c7b756,
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0x242070db,
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0xc1bdceee,
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0xf57c0faf,
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0x4787c62a,
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0xa8304613,
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0xfd469501,
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0x698098d8,
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0x8b44f7af,
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0xffff5bb1,
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0x895cd7be,
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0x6b901122,
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0xfd987193,
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0xa679438e,
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0x49b40821,
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/* round 2 */
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/*[16]*/0xf61e2562,
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0xc040b340,
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0x265e5a51,
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0xe9b6c7aa,
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0xd62f105d,
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0x2441453,
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0xd8a1e681,
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0xe7d3fbc8,
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0x21e1cde6,
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0xc33707d6,
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0xf4d50d87,
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0x455a14ed,
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0xa9e3e905,
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0xfcefa3f8,
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0x676f02d9,
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0x8d2a4c8a,
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/* round 3 */
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/*[32]*/0xfffa3942,
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0x8771f681,
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0x6d9d6122,
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0xfde5380c,
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0xa4beea44,
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0x4bdecfa9,
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0xf6bb4b60,
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0xbebfbc70,
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0x289b7ec6,
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0xeaa127fa,
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0xd4ef3085,
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0x4881d05,
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0xd9d4d039,
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0xe6db99e5,
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0x1fa27cf8,
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0xc4ac5665,
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/* round 4 */
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/*[48]*/0xf4292244,
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0x432aff97,
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0xab9423a7,
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0xfc93a039,
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0x655b59c3,
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0x8f0ccc92,
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0xffeff47d,
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0x85845dd1,
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0x6fa87e4f,
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0xfe2ce6e0,
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0xa3014314,
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0x4e0811a1,
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0xf7537e82,
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0xbd3af235,
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0x2ad7d2bb,
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0xeb86d391,
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};
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static void decode(u32int*, uchar*, ulong);
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extern void _md5block(uchar *p, ulong len, u32int *s);
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void
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_md5block(uchar *p, ulong len, u32int *s)
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{
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u32int a, b, c, d, sh;
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u32int *t;
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uchar *end;
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u32int x[16];
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for(end = p+len; p < end; p += 64){
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a = s[0];
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b = s[1];
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c = s[2];
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d = s[3];
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decode(x, p, 64);
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t = md5tab;
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sh = 0;
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for(; sh != 16; t += 4){
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a += ((c ^ d) & b) ^ d;
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a += x[sh] + t[0];
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a = (a << S11) | (a >> (32 - S11));
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a += b;
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d += ((b ^ c) & a) ^ c;
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d += x[sh + 1] + t[1];
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d = (d << S12) | (d >> (32 - S12));
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d += a;
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c += ((a ^ b) & d) ^ b;
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c += x[sh + 2] + t[2];
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c = (c << S13) | (c >> (32 - S13));
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c += d;
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b += ((d ^ a) & c) ^ a;
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b += x[sh + 3] + t[3];
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b = (b << S14) | (b >> (32 - S14));
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b += c;
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sh += 4;
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}
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sh = 1;
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for(; sh != 1+20*4; t += 4){
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a += ((b ^ c) & d) ^ c;
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a += x[sh & 0xf] + t[0];
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a = (a << S21) | (a >> (32 - S21));
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a += b;
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d += ((a ^ b) & c) ^ b;
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d += x[(sh + 5) & 0xf] + t[1];
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d = (d << S22) | (d >> (32 - S22));
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d += a;
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c += ((d ^ a) & b) ^ a;
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c += x[(sh + 10) & 0xf] + t[2];
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c = (c << S23) | (c >> (32 - S23));
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c += d;
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b += ((c ^ d) & a) ^ d;
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b += x[(sh + 15) & 0xf] + t[3];
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b = (b << S24) | (b >> (32 - S24));
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b += c;
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sh += 20;
|
||||
}
|
||||
sh = 5;
|
||||
for(; sh != 5+12*4; t += 4){
|
||||
a += b ^ c ^ d;
|
||||
a += x[sh & 0xf] + t[0];
|
||||
a = (a << S31) | (a >> (32 - S31));
|
||||
a += b;
|
||||
|
||||
d += a ^ b ^ c;
|
||||
d += x[(sh + 3) & 0xf] + t[1];
|
||||
d = (d << S32) | (d >> (32 - S32));
|
||||
d += a;
|
||||
|
||||
c += d ^ a ^ b;
|
||||
c += x[(sh + 6) & 0xf] + t[2];
|
||||
c = (c << S33) | (c >> (32 - S33));
|
||||
c += d;
|
||||
|
||||
b += c ^ d ^ a;
|
||||
b += x[(sh + 9) & 0xf] + t[3];
|
||||
b = (b << S34) | (b >> (32 - S34));
|
||||
b += c;
|
||||
|
||||
sh += 12;
|
||||
}
|
||||
sh = 0;
|
||||
for(; sh != 28*4; t += 4){
|
||||
a += c ^ (b | ~d);
|
||||
a += x[sh & 0xf] + t[0];
|
||||
a = (a << S41) | (a >> (32 - S41));
|
||||
a += b;
|
||||
|
||||
d += b ^ (a | ~c);
|
||||
d += x[(sh + 7) & 0xf] + t[1];
|
||||
d = (d << S42) | (d >> (32 - S42));
|
||||
d += a;
|
||||
|
||||
c += a ^ (d | ~b);
|
||||
c += x[(sh + 14) & 0xf] + t[2];
|
||||
c = (c << S43) | (c >> (32 - S43));
|
||||
c += d;
|
||||
|
||||
b += d ^ (c | ~a);
|
||||
b += x[(sh + 21) & 0xf] + t[3];
|
||||
b = (b << S44) | (b >> (32 - S44));
|
||||
b += c;
|
||||
|
||||
sh += 28;
|
||||
}
|
||||
|
||||
s[0] += a;
|
||||
s[1] += b;
|
||||
s[2] += c;
|
||||
s[3] += d;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* decodes input (uchar) into output (u32int). Assumes len is
|
||||
* a multiple of 4.
|
||||
*/
|
||||
static void
|
||||
decode(u32int *output, uchar *input, ulong len)
|
||||
{
|
||||
uchar *e;
|
||||
|
||||
for(e = input+len; input < e; input += 4)
|
||||
*output++ = input[0] | (input[1] << 8) |
|
||||
(input[2] << 16) | (input[3] << 24);
|
||||
}
|
||||
|
|
@ -0,0 +1,187 @@
|
|||
#include "os.h"
|
||||
|
||||
void
|
||||
_sha1block(uchar *p, ulong len, u32int *s)
|
||||
{
|
||||
u32int a, b, c, d, e, x;
|
||||
uchar *end;
|
||||
u32int *wp, *wend;
|
||||
u32int w[80];
|
||||
|
||||
/* at this point, we have a multiple of 64 bytes */
|
||||
for(end = p+len; p < end;){
|
||||
a = s[0];
|
||||
b = s[1];
|
||||
c = s[2];
|
||||
d = s[3];
|
||||
e = s[4];
|
||||
|
||||
wend = w + 15;
|
||||
for(wp = w; wp < wend; wp += 5){
|
||||
wp[0] = (p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3];
|
||||
e += ((a<<5) | (a>>27)) + wp[0];
|
||||
e += 0x5a827999 + (((c^d)&b)^d);
|
||||
b = (b<<30)|(b>>2);
|
||||
|
||||
wp[1] = (p[4]<<24) | (p[5]<<16) | (p[6]<<8) | p[7];
|
||||
d += ((e<<5) | (e>>27)) + wp[1];
|
||||
d += 0x5a827999 + (((b^c)&a)^c);
|
||||
a = (a<<30)|(a>>2);
|
||||
|
||||
wp[2] = (p[8]<<24) | (p[9]<<16) | (p[10]<<8) | p[11];
|
||||
c += ((d<<5) | (d>>27)) + wp[2];
|
||||
c += 0x5a827999 + (((a^b)&e)^b);
|
||||
e = (e<<30)|(e>>2);
|
||||
|
||||
wp[3] = (p[12]<<24) | (p[13]<<16) | (p[14]<<8) | p[15];
|
||||
b += ((c<<5) | (c>>27)) + wp[3];
|
||||
b += 0x5a827999 + (((e^a)&d)^a);
|
||||
d = (d<<30)|(d>>2);
|
||||
|
||||
wp[4] = (p[16]<<24) | (p[17]<<16) | (p[18]<<8) | p[19];
|
||||
a += ((b<<5) | (b>>27)) + wp[4];
|
||||
a += 0x5a827999 + (((d^e)&c)^e);
|
||||
c = (c<<30)|(c>>2);
|
||||
|
||||
p += 20;
|
||||
}
|
||||
|
||||
wp[0] = (p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3];
|
||||
e += ((a<<5) | (a>>27)) + wp[0];
|
||||
e += 0x5a827999 + (((c^d)&b)^d);
|
||||
b = (b<<30)|(b>>2);
|
||||
|
||||
x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
|
||||
wp[1] = (x<<1) | (x>>31);
|
||||
d += ((e<<5) | (e>>27)) + wp[1];
|
||||
d += 0x5a827999 + (((b^c)&a)^c);
|
||||
a = (a<<30)|(a>>2);
|
||||
|
||||
x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
|
||||
wp[2] = (x<<1) | (x>>31);
|
||||
c += ((d<<5) | (d>>27)) + wp[2];
|
||||
c += 0x5a827999 + (((a^b)&e)^b);
|
||||
e = (e<<30)|(e>>2);
|
||||
|
||||
x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
|
||||
wp[3] = (x<<1) | (x>>31);
|
||||
b += ((c<<5) | (c>>27)) + wp[3];
|
||||
b += 0x5a827999 + (((e^a)&d)^a);
|
||||
d = (d<<30)|(d>>2);
|
||||
|
||||
x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
|
||||
wp[4] = (x<<1) | (x>>31);
|
||||
a += ((b<<5) | (b>>27)) + wp[4];
|
||||
a += 0x5a827999 + (((d^e)&c)^e);
|
||||
c = (c<<30)|(c>>2);
|
||||
|
||||
wp += 5;
|
||||
p += 4;
|
||||
|
||||
wend = w + 40;
|
||||
for(; wp < wend; wp += 5){
|
||||
x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16];
|
||||
wp[0] = (x<<1) | (x>>31);
|
||||
e += ((a<<5) | (a>>27)) + wp[0];
|
||||
e += 0x6ed9eba1 + (b^c^d);
|
||||
b = (b<<30)|(b>>2);
|
||||
|
||||
x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
|
||||
wp[1] = (x<<1) | (x>>31);
|
||||
d += ((e<<5) | (e>>27)) + wp[1];
|
||||
d += 0x6ed9eba1 + (a^b^c);
|
||||
a = (a<<30)|(a>>2);
|
||||
|
||||
x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
|
||||
wp[2] = (x<<1) | (x>>31);
|
||||
c += ((d<<5) | (d>>27)) + wp[2];
|
||||
c += 0x6ed9eba1 + (e^a^b);
|
||||
e = (e<<30)|(e>>2);
|
||||
|
||||
x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
|
||||
wp[3] = (x<<1) | (x>>31);
|
||||
b += ((c<<5) | (c>>27)) + wp[3];
|
||||
b += 0x6ed9eba1 + (d^e^a);
|
||||
d = (d<<30)|(d>>2);
|
||||
|
||||
x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
|
||||
wp[4] = (x<<1) | (x>>31);
|
||||
a += ((b<<5) | (b>>27)) + wp[4];
|
||||
a += 0x6ed9eba1 + (c^d^e);
|
||||
c = (c<<30)|(c>>2);
|
||||
}
|
||||
|
||||
wend = w + 60;
|
||||
for(; wp < wend; wp += 5){
|
||||
x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16];
|
||||
wp[0] = (x<<1) | (x>>31);
|
||||
e += ((a<<5) | (a>>27)) + wp[0];
|
||||
e += 0x8f1bbcdc + ((b&c)|((b|c)&d));
|
||||
b = (b<<30)|(b>>2);
|
||||
|
||||
x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
|
||||
wp[1] = (x<<1) | (x>>31);
|
||||
d += ((e<<5) | (e>>27)) + wp[1];
|
||||
d += 0x8f1bbcdc + ((a&b)|((a|b)&c));
|
||||
a = (a<<30)|(a>>2);
|
||||
|
||||
x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
|
||||
wp[2] = (x<<1) | (x>>31);
|
||||
c += ((d<<5) | (d>>27)) + wp[2];
|
||||
c += 0x8f1bbcdc + ((e&a)|((e|a)&b));
|
||||
e = (e<<30)|(e>>2);
|
||||
|
||||
x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
|
||||
wp[3] = (x<<1) | (x>>31);
|
||||
b += ((c<<5) | (c>>27)) + wp[3];
|
||||
b += 0x8f1bbcdc + ((d&e)|((d|e)&a));
|
||||
d = (d<<30)|(d>>2);
|
||||
|
||||
x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
|
||||
wp[4] = (x<<1) | (x>>31);
|
||||
a += ((b<<5) | (b>>27)) + wp[4];
|
||||
a += 0x8f1bbcdc + ((c&d)|((c|d)&e));
|
||||
c = (c<<30)|(c>>2);
|
||||
}
|
||||
|
||||
wend = w + 80;
|
||||
for(; wp < wend; wp += 5){
|
||||
x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16];
|
||||
wp[0] = (x<<1) | (x>>31);
|
||||
e += ((a<<5) | (a>>27)) + wp[0];
|
||||
e += 0xca62c1d6 + (b^c^d);
|
||||
b = (b<<30)|(b>>2);
|
||||
|
||||
x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
|
||||
wp[1] = (x<<1) | (x>>31);
|
||||
d += ((e<<5) | (e>>27)) + wp[1];
|
||||
d += 0xca62c1d6 + (a^b^c);
|
||||
a = (a<<30)|(a>>2);
|
||||
|
||||
x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
|
||||
wp[2] = (x<<1) | (x>>31);
|
||||
c += ((d<<5) | (d>>27)) + wp[2];
|
||||
c += 0xca62c1d6 + (e^a^b);
|
||||
e = (e<<30)|(e>>2);
|
||||
|
||||
x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
|
||||
wp[3] = (x<<1) | (x>>31);
|
||||
b += ((c<<5) | (c>>27)) + wp[3];
|
||||
b += 0xca62c1d6 + (d^e^a);
|
||||
d = (d<<30)|(d>>2);
|
||||
|
||||
x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
|
||||
wp[4] = (x<<1) | (x>>31);
|
||||
a += ((b<<5) | (b>>27)) + wp[4];
|
||||
a += 0xca62c1d6 + (c^d^e);
|
||||
c = (c<<30)|(c>>2);
|
||||
}
|
||||
|
||||
/* save state */
|
||||
s[0] += a;
|
||||
s[1] += b;
|
||||
s[2] += c;
|
||||
s[3] += d;
|
||||
s[4] += e;
|
||||
}
|
||||
}
|
||||
|
|
@ -115,11 +115,22 @@
|
|||
|
||||
.text
|
||||
|
||||
.p2align 2,0x90
|
||||
.globl ___md5block
|
||||
___md5block:
|
||||
|
||||
.p2align 2,0x90
|
||||
.globl __md5block
|
||||
__md5block:
|
||||
|
||||
.p2align 2,0x90
|
||||
.globl _md5block
|
||||
.type _md5block, @function
|
||||
_md5block:
|
||||
|
||||
.p2align 2,0x90
|
||||
.globl md5block
|
||||
md5block:
|
||||
|
||||
/* Prelude */
|
||||
pushl %ebp
|
||||
subl $(STACKSIZE), %esp
|
||||
|
|
|
|||
|
|
@ -1,9 +1,23 @@
|
|||
.text
|
||||
|
||||
.p2align 2,0x90
|
||||
.globl ___sha1block
|
||||
___sha1block:
|
||||
jmp sha1block
|
||||
|
||||
.p2align 2,0x90
|
||||
.globl __sha1block
|
||||
__sha1block:
|
||||
jmp sha1block
|
||||
|
||||
.p2align 2,0x90
|
||||
.globl _sha1block
|
||||
.type _sha1block, @function
|
||||
_sha1block:
|
||||
jmp sha1block
|
||||
|
||||
.p2align 2,0x90
|
||||
.globl sha1block
|
||||
sha1block:
|
||||
|
||||
/* x = (wp[off-f] ^ wp[off-8] ^ wp[off-14] ^ wp[off-16]) <<< 1;
|
||||
* wp[off] = x;
|
||||
|
|
|
|||
|
|
@ -0,0 +1,23 @@
|
|||
#include "u.h"
|
||||
#include "libc.h"
|
||||
|
||||
int
|
||||
tas(long *x)
|
||||
{
|
||||
int v;
|
||||
|
||||
__asm__( "movl $1, %%eax\n\t"
|
||||
"xchgl %%eax,(%%ecx)"
|
||||
: "=a" (v)
|
||||
: "c" (x)
|
||||
);
|
||||
switch(v) {
|
||||
case 0:
|
||||
case 1:
|
||||
return v;
|
||||
default:
|
||||
print("canlock: corrupted 0x%lux\n", v);
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue