forked from KolibriOS/kolibrios
827172f6c0
* @ss: decrease used memory & time requirements, size optimization * @panel: if there is only one window, Alt+[Shift+]Tab activates it * jpegview: IPC service to unpack JPEG data for other apps * chess: bmp-file is now inlined * @ss, chess moved to more appropriate place in file structure git-svn-id: svn://kolibrios.org@532 a494cfbc-eb01-0410-851d-a64ba20cac60
599 lines
9.5 KiB
PHP
599 lines
9.5 KiB
PHP
;testing speed of RSA coding (256 bit)
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;for program CPUID (WildWest)
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;author: halyavin
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;structure of long number:
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;rd 1 : length of number
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;rd 39: digits of number
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;length of zero number is equal to 1.
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number_digits=39
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number_size=4*(number_digits+1)
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;calling convention:
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;procedures can change eax,ecx,edx
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init_rsatest:
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;to do: add initialization which depends on processor.
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ret
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set_zero:
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;eax - address of number
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;[eax]:=0
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;result: eax isn't changed
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xor ecx,ecx
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xor edx,edx
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inc edx
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mov dword [eax],edx
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mov edx,39
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add eax,4
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.loop:
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mov dword [eax],ecx
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add eax,4
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dec edx
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jnz .loop
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sub eax,160 ;size of number
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ret
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ladd:
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;eax - first number
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;edx - second number
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;[eax]:=[eax]+[edx]
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pushad
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mov ecx,dword [eax]
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mov esi,dword [edx]
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mov ebp,eax
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cmp ecx,esi
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jg .l1
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mov ecx,esi
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.l1:
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add eax,4
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add edx,4
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xor ebx,ebx
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xor esi,esi
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mov edi,ecx
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.l2:
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add ebx,dword [eax]
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adc ebx,dword [edx]
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adc esi,esi
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mov dword [eax],ebx
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mov ebx,esi
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add eax,4
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xor esi,esi
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add edx,4
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dec ecx
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jnz .l2
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test ebx,ebx
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jz .lend
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inc dword [eax]
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inc edi
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.lend:
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mov eax,ebp
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mov dword [eax],edi
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popad
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ret
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lsub:
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;eax - first number
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;edx - second number
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;[eax]=[eax]-[edx]
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;[eax]>=[edx]
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pushad
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mov ecx,dword [eax]
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mov edi,ecx
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mov ebp,eax
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add eax,4
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add edx,4
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xor ebx,ebx
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xor esi,esi
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.l1:
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mov esi,dword [eax]
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sub esi,ebx
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sbb esi,dword [edx]
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mov dword [eax],esi
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sbb esi,esi
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mov ebx,esi
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neg ebx
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add eax,4
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add edx,4
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dec ecx
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jnz .l1
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dec edi
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jz .lend
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sub eax,4
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.l2:
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mov ebx,dword [eax]
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test ebx,ebx
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jnz .lend
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sub eax,4
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dec edi
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jnz .l2
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.lend:
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inc edi
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mov eax,ebp
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mov [eax],edi
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popad
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ret
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lcmp:
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;eax - address of number
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;edx - address of number
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;result: ecx=1 if eax>edx
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; ecx=0 if eax=edx
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; ecx=-1 if eax<edx
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push ebx
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mov ebx,dword [eax]
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cmp ebx,dword [edx]
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jg .l1
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jl .l2
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push esi
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push eax
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push edx
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lea eax,[eax+4*ebx]
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lea edx,[edx+4*ebx]
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.l3:
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mov esi,dword [eax]
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cmp esi,dword [edx]
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ja .l4
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jb .l5
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sub eax,4
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sub edx,4
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dec ebx
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jnz .l3
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xor ecx,ecx
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.lend:
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pop edx
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pop eax
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pop esi
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pop ebx
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ret
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.l4:
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mov ecx,1
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jmp .lend
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.l5:
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mov ecx,-1
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jmp .lend
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.l1:
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mov ecx,1
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pop ebx
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ret
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.l2:
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mov ecx,-1
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pop ebx
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ret
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lshr:
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;eax - number
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;edx - shift
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;[eax]=[eax] shr edx
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cmp edx,32
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jl .general
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mov ecx,edx
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shr ecx,5
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and edx,31
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push esi
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mov esi,ecx
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cmp ecx,dword [eax]
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jng .norm
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xor esi,esi
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mov ecx,dword [eax]
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.norm:
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push edi
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push ebp
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mov ebp,eax
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add eax,4
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.loop1:
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test esi,esi
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jz .endloop1
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mov edi,dword [eax+4*ecx]
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mov dword [eax],edi
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add eax,4
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dec esi
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jmp .loop1
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.endloop1:
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mov eax,ebp
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mov esi,dword [eax]
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lea eax,[eax+4*esi]
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xor edi,edi
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mov esi,ecx
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.loop2:
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mov dword [eax],edi
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sub eax,4
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dec ecx
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jnz .loop2
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mov eax,ebp
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sub dword [eax],esi
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jz .len0
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.lend1:
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pop ebp
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pop edi
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pop esi
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jmp .general
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.len0:
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inc dword [eax]
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jmp .lend1
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.general:
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test edx,edx
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jz .lend
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push ebx
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push esi
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push edi
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push ebp
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push eax
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mov ebx,dword [eax]
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lea eax,[eax+4*ebx]
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mov ecx,edx
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sub ecx,32
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neg ecx
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mov esi,1
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shl esi,cl
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dec esi
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mov ecx,edx
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xor ebp,ebp
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.loop3:
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mov edi,dword [eax]
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ror edi,cl
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mov edx,edi
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and edx,esi
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or edx,ebp
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mov dword [eax],edx
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mov edx,esi
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not edx
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and edi,edx
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mov ebp,edi
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sub eax,4
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dec ebx
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jnz .loop3
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pop eax
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mov ebx,dword [eax]
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mov ecx,dword [eax+4*ebx]
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dec ebx
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jz .norm1
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test ecx,ecx
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jnz .norm1
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dec dword [eax]
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.norm1:
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pop ebp
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pop edi
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pop esi
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pop ebx
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.lend:
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ret
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lshl:
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;eax - number
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;edx - shift
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;[eax]:=[eax] shl edx
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cmp edx,32
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jl .general
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cmp dword [eax],1
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jnz .l1
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cmp dword [eax+4],0
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jnz .l1
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ret
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.l1:
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push esi
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push ebx
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mov ecx,edx
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shr ecx,5
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and edx,31
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mov ebx,dword [eax]
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add dword [eax],ecx
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lea eax,[eax+4*ebx]
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.loop1:
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mov esi,dword [eax]
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mov dword [eax+4*ecx],esi
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sub eax,4
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dec ebx
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jnz .loop1
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xor esi,esi
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lea eax,[eax+4*ecx]
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.loop2:
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mov dword [eax],esi
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sub eax,4
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dec ecx
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jnz .loop2
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pop ebx
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pop esi
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jmp .general
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.general:
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test edx,edx
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jz .lend
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pushad
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mov ecx,edx
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mov ebx,1
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shl ebx,cl
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dec ebx
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mov edx,dword [eax]
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xor esi,esi
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lea eax,[eax+4*edx]
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.loop3:
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mov edi,dword [eax]
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rol edi,cl
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mov ebp,edi
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and ebp,ebx
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add esi,ebp
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mov dword [eax+4],esi
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mov ebp,ebx
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not ebp
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and edi,ebp
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mov esi,edi
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sub eax,4
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dec edx
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jnz .loop3
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mov dword [eax+4],esi
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mov edx,dword [eax]
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cmp dword [eax+4*edx+4],0
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jz .l2
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inc dword [eax]
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.l2:
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popad
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.lend:
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ret
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lwrite_bit:
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;eax - address of number
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;edx - number of bit
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;set bit to 1. First bit has number 0.
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mov ecx,edx
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shr edx,5
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inc edx
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cmp dword [eax],edx
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jg .norm
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mov dword [eax],edx
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.norm:
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push ebx
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mov ebx,1
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shl ebx,cl
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or dword [eax+4*edx],ebx
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pop ebx
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ret
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lcopy:
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;eax - address of first number
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;edx - address of second number
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;[eax]:=[edx]
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push ebx
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push esi
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push eax
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push edx
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push dword [eax]
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mov ebx,dword [edx]
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mov ecx,ebx
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add edx,4
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add eax,4
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.loop1:
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mov esi,dword [edx]
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mov dword [eax],esi
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add eax,4
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add edx,4
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dec ecx
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jnz .loop1
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pop ecx
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sub ecx,ebx
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jng .l1
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xor esi,esi
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.loop2:
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mov dword [eax],esi
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add eax,4
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dec ecx
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jnz .loop2
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.l1:
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pop edx
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pop eax
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mov dword [eax],ebx
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pop esi
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pop ebx
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ret
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lmul:
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;eax - first number
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;edx - second number
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;ecx - third number
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;[eax]:=[ecx]*[edx]
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push ecx
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push edx
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call set_zero
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pop edx
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pop ecx
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pushad
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sub esp,16 ; local variables
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mov ebp,edx
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mov ebx,dword [edx]
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mov dword [esp],ebx
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mov ebx,dword [ecx]
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mov dword [esp+4],ebx
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mov ebx,eax
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add ebp,4
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add ecx,4
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add ebx,4
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xor esi,esi
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mov dword [esp+8],esi
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.loop1:
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xor esi,esi
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mov dword [esp+12],esi
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.loop2:
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mov eax,dword [esp+12]
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mov eax,dword [ecx+4*eax]
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mov edi,dword [esp+8]
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mov edi,dword [ebp+4*edi]
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mul edi
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add eax,esi
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adc edx,0
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mov edi,dword [esp+12]
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add edi,dword [esp+8]
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add eax,dword [ebx+4*edi]
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adc edx,0
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mov dword [ebx+4*edi],eax
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mov esi,edx
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inc dword [esp+12]
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mov eax,dword [esp+4]
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cmp dword [esp+12],eax
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jnz .loop2
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test esi,esi
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jz .loop1end
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mov eax,dword [esp+12]
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add eax,dword [esp+8]
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mov [ebx+4*eax],esi
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.loop1end:
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inc dword [esp+8]
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mov eax,dword [esp]
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cmp dword [esp+8],eax
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jnz .loop1
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add esp,16
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sub ebx,4
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mov ecx,39
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xor edx,edx
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.loop3:
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cmp dword [ebx+4*ecx],edx
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jnz .loop3end
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dec ecx
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jnz .loop3
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.loop3end:
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test ecx,ecx
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jnz .l1
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inc ecx
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.l1:
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mov dword [ebx],ecx
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popad
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ret
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lmod:
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;eax - address of first number
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;edx - address of second number
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;[eax]:=[eax] mod [edx]
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mov ecx,dword [eax]
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sub ecx,dword [edx]
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jl .lend
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pushad
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inc ecx
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mov ebp,eax
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mov eax,edx
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mov edi,eax
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shl ecx,5
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mov edx,ecx
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mov esi,ecx
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call lshl
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.loop:
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mov eax,ebp
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mov edx,edi
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call lcmp
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test ecx,ecx
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jl .l1
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call lsub
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.l1:
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dec esi
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js .endloop
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mov eax,edx
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mov edx,1
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call lshr
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jmp .loop
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.endloop:
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popad
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.lend:
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ret
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rsacode:
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;eax - address of message
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;edx - open key
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;ecx - address of module
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;esi - temparary number1
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;edi - temparary number2
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;esi - [eax]^edx mod (ecx)
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;[eax] is changed.
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push eax
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push edx
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push ecx
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xchg eax,esi
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call set_zero
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mov dword [eax+4],1
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mov esi,eax
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mov eax,edi
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call set_zero
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.loop:
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mov ecx,dword [esp+4]
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test ecx,1
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jz .l1
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mov eax,edi
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mov edx,esi
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mov ecx,dword [esp+8]
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call lmul
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mov edx,dword [esp]
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call lmod
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mov eax,esi
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mov edx,edi
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call lcopy
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.l1:
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shr dword [esp+4],1
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jz .endloop
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mov edx,dword [esp+8]
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mov ecx,edx
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mov eax,edi
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call lmul
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mov edx,dword [esp]
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call lmod
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mov eax,dword [esp+8]
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mov edx,edi
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call lcopy
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jmp .loop
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.endloop:
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pop ecx
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pop edx
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pop eax
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ret
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rsa_test:
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mov eax,num1
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mov dword [eax],16
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mov ecx,1
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mov edx,16
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.loop:
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add eax,4
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mov dword [eax],ecx
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dec edx
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jnz .loop
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mov eax,num1
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mov ebx,[iter]
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mov dword [eax+4],ebx
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inc dword [iter]
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mov edx,[openkey]
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mov ecx,module
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mov esi,num2
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mov edi,num3
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call rsacode
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ret
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init_test:
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xor eax,eax
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mov [iter],eax
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mov [openkey],10007
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mov eax,num2
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call set_zero
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mov eax,num3
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call set_zero
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ret
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module:
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;module=p*q.
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;where
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;p=
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;dd 9
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;dd 147,2,3,4,5,6,7,8,9
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;times 30 dd 0
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;q=
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;dd 9
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;dd 163,4,5,6,7,8,9,10,11
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;times 30 dd 0
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dd 17
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dd 23961,914,1232,1556,1887,2226,2574,2932,3301,288,308,314,305,280,238,178,99
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times 22 dd 0
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;in decimal
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;p=1042128803351525332193283695592003066548124262686459610611886292768993621049491
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;q=1273712981880077616387281148672409277231717442781838063285512054053473668300963
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