mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-21 06:12:34 +03:00
235 lines
12 KiB
PHP
235 lines
12 KiB
PHP
; DES routines (from http://board.flatassembler.net/topic.php?t=5575)
|
|
; Copyright (C) 2006, Tomasz Grysztar
|
|
|
|
macro perm_it ebx, edx, shift, mask
|
|
{
|
|
mov eax, ebx
|
|
shr eax, shift
|
|
xor eax, edx
|
|
and eax, mask
|
|
xor edx, eax
|
|
shl eax, shift
|
|
xor ebx, eax
|
|
}
|
|
|
|
encrypt_DES:
|
|
; esi - DES key (8 bytes)
|
|
; edx:ebx = data
|
|
; return: edx:ebx = encrypted data
|
|
bswap ebx
|
|
bswap edx
|
|
|
|
perm_it ebx, edx, 4, 0F0F0F0Fh
|
|
perm_it ebx, edx, 16, 0000FFFFh
|
|
perm_it edx, ebx, 2, 33333333h
|
|
perm_it edx, ebx, 8, 00FF00FFh
|
|
perm_it ebx, edx, 1, 55555555h
|
|
|
|
rol ebx, 1
|
|
rol edx, 1
|
|
mov esi, keys
|
|
call DES_inner_encrypt
|
|
ror ebx, 1
|
|
ror edx, 1
|
|
|
|
perm_it ebx, edx, 1, 55555555h
|
|
perm_it edx, ebx, 8, 00FF00FFh
|
|
perm_it edx, ebx, 2, 33333333h
|
|
perm_it ebx, edx, 16, 0000FFFFh
|
|
perm_it ebx, edx, 4, 0F0F0F0Fh
|
|
|
|
bswap ebx
|
|
bswap edx
|
|
ret
|
|
|
|
DES_create_keys:
|
|
; edi - ptr to keys (32*2 dwords)
|
|
; edx:ebx = password
|
|
|
|
perm_it ebx, edx, 4, 0F0F0F0Fh
|
|
perm_it edx, ebx, 16, 0000FFFFh
|
|
perm_it ebx, edx, 2, 33333333h
|
|
perm_it edx, ebx, 16, 0000FFFFh
|
|
perm_it ebx, edx, 1, 55555555h
|
|
perm_it edx, ebx, 8, 00FF00FFh
|
|
perm_it ebx, edx, 1, 55555555h
|
|
|
|
mov eax, ebx
|
|
shl eax, 8
|
|
mov ebx, edx
|
|
bswap ebx
|
|
and ebx, 0FFFFFFF0h
|
|
xchg edx, eax
|
|
ror eax, 20
|
|
and eax, 0xF0
|
|
or edx, eax
|
|
|
|
xor ecx, ecx
|
|
create_keys:
|
|
test byte [shifts+ecx], 0ffh
|
|
jz no_shift
|
|
mov eax, ebx
|
|
shl eax, 2
|
|
shr ebx, 26
|
|
or ebx, eax
|
|
mov eax, edx
|
|
shl eax, 2
|
|
shr edx, 26
|
|
or edx, eax
|
|
jmp shift_ok
|
|
no_shift:
|
|
mov eax, ebx
|
|
shl eax, 1
|
|
shr ebx, 27
|
|
or ebx, eax
|
|
mov eax, edx
|
|
shl eax, 1
|
|
shr edx, 27
|
|
or edx, eax
|
|
shift_ok:
|
|
and ebx, 0FFFFFFF0h
|
|
and edx, 0FFFFFFF0h
|
|
mov eax, ebx
|
|
shr eax, 28
|
|
mov ebp, [pc2_0+eax*4]
|
|
mov eax, ebx
|
|
shr eax, 24
|
|
and eax, 0Fh
|
|
or ebp, [pc2_1+eax*4]
|
|
mov eax, ebx
|
|
shr eax, 20
|
|
and eax, 0Fh
|
|
or ebp, [pc2_2+eax*4]
|
|
mov eax, ebx
|
|
shr eax, 16
|
|
and eax, 0Fh
|
|
or ebp, [pc2_3+eax*4]
|
|
mov eax, ebx
|
|
shr eax, 12
|
|
and eax, 0Fh
|
|
or ebp, [pc2_4+eax*4]
|
|
mov eax, ebx
|
|
shr eax, 8
|
|
and eax, 0Fh
|
|
or ebp, [pc2_5+eax*4]
|
|
mov eax, ebx
|
|
shr eax, 4
|
|
and eax, 0Fh
|
|
or ebp, [pc2_6+eax*4]
|
|
mov [edi], ebp
|
|
mov eax, edx
|
|
shr eax, 28
|
|
and eax, 0Fh
|
|
mov ebp, [pc2_7+eax*4]
|
|
mov eax, edx
|
|
shr eax, 24
|
|
and eax, 0Fh
|
|
or ebp, [pc2_8+eax*4]
|
|
mov eax, edx
|
|
shr eax, 20
|
|
and eax, 0Fh
|
|
or ebp, [pc2_9+eax*4]
|
|
mov eax, edx
|
|
shr eax, 16
|
|
and eax, 0Fh
|
|
or ebp, [pc2_10+eax*4]
|
|
mov eax, edx
|
|
shr eax, 12
|
|
and eax, 0Fh
|
|
or ebp, [pc2_11+eax*4]
|
|
mov eax, edx
|
|
shr eax, 8
|
|
and eax, 0Fh
|
|
or ebp, [pc2_12+eax*4]
|
|
mov eax, edx
|
|
shr eax, 4
|
|
and eax, 0Fh
|
|
or ebp, [pc2_13+eax*4]
|
|
mov eax, ebp
|
|
shr eax, 16
|
|
xor eax, [edi]
|
|
and eax, 0FFFFh
|
|
xor [edi], eax
|
|
shl eax, 16
|
|
xor ebp, eax
|
|
mov [edi+4], ebp
|
|
add edi, 8
|
|
inc ecx
|
|
cmp ecx, 16
|
|
jb create_keys
|
|
ret
|
|
|
|
DES_inner_encrypt:
|
|
xor ecx, ecx
|
|
.encrypt:
|
|
mov edi, edx
|
|
ror edi, 4
|
|
xor edi, [esi+(ecx+1)*4]
|
|
push esi
|
|
mov esi, [esi+ecx*4]
|
|
xor esi, edx
|
|
mov ebp, ebx
|
|
mov ebx, edx
|
|
mov eax, esi
|
|
shr eax, 24
|
|
and eax, 3Fh
|
|
mov edx, [sbox_2+eax*4]
|
|
mov eax, esi
|
|
shr eax, 16
|
|
and eax, 3Fh
|
|
or edx, [sbox_4+eax*4]
|
|
mov eax, esi
|
|
shr eax, 8
|
|
and eax, 3Fh
|
|
or edx, [sbox_6+eax*4]
|
|
mov eax, esi
|
|
and eax, 3Fh
|
|
or edx, [sbox_8+eax*4]
|
|
pop esi
|
|
mov eax, edi
|
|
shr eax, 24
|
|
and eax, 3Fh
|
|
or edx, [sbox_1+eax*4]
|
|
mov eax, edi
|
|
shr eax, 16
|
|
and eax, 3Fh
|
|
or edx, [sbox_3+eax*4]
|
|
mov eax, edi
|
|
shr eax, 8
|
|
and eax, 3Fh
|
|
or edx, [sbox_5+eax*4]
|
|
mov eax, edi
|
|
and eax, 3Fh
|
|
or edx, [sbox_7+eax*4]
|
|
xor edx, ebp
|
|
add ecx, 2
|
|
cmp ecx, 32
|
|
jb .encrypt
|
|
xchg ebx, edx
|
|
ret
|
|
|
|
shifts db 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0
|
|
|
|
pc2_0 dd 0, 0x4, 0x20000000, 0x20000004, 0x10000, 0x10004, 0x20010000, 0x20010004, 0x200, 0x204, 0x20000200, 0x20000204, 0x10200, 0x10204, 0x20010200, 0x20010204
|
|
pc2_1 dd 0, 0x1, 0x100000, 0x100001, 0x4000000, 0x4000001, 0x4100000, 0x4100001, 0x100, 0x101, 0x100100, 0x100101, 0x4000100, 0x4000101, 0x4100100, 0x4100101
|
|
pc2_2 dd 0, 0x8, 0x800, 0x808, 0x1000000, 0x1000008, 0x1000800, 0x1000808, 0, 0x8, 0x800, 0x808, 0x1000000, 0x1000008, 0x1000800, 0x1000808
|
|
pc2_3 dd 0, 0x200000, 0x8000000, 0x8200000, 0x2000, 0x202000, 0x8002000, 0x8202000, 0x20000, 0x220000, 0x8020000, 0x8220000, 0x22000, 0x222000, 0x8022000, 0x8222000
|
|
pc2_4 dd 0, 0x40000, 0x10, 0x40010, 0, 0x40000, 0x10, 0x40010, 0x1000, 0x41000, 0x1010, 0x41010, 0x1000, 0x41000, 0x1010, 0x41010
|
|
pc2_5 dd 0, 0x400, 0x20, 0x420, 0, 0x400, 0x20, 0x420, 0x2000000, 0x2000400, 0x2000020, 0x2000420, 0x2000000, 0x2000400, 0x2000020, 0x2000420
|
|
pc2_6 dd 0, 0x10000000, 0x80000, 0x10080000, 0x2, 0x10000002, 0x80002, 0x10080002, 0, 0x10000000, 0x80000, 0x10080000, 0x2, 0x10000002, 0x80002, 0x10080002
|
|
pc2_7 dd 0, 0x10000, 0x800, 0x10800, 0x20000000, 0x20010000, 0x20000800, 0x20010800, 0x20000, 0x30000, 0x20800, 0x30800, 0x20020000, 0x20030000, 0x20020800, 0x20030800
|
|
pc2_8 dd 0, 0x40000, 0, 0x40000, 0x2, 0x40002, 0x2, 0x40002, 0x2000000, 0x2040000, 0x2000000, 0x2040000, 0x2000002, 0x2040002, 0x2000002, 0x2040002
|
|
pc2_9 dd 0, 0x10000000, 0x8, 0x10000008, 0, 0x10000000, 0x8, 0x10000008, 0x400, 0x10000400, 0x408, 0x10000408, 0x400, 0x10000400, 0x408, 0x10000408
|
|
pc2_10 dd 0, 0x20, 0, 0x20, 0x100000, 0x100020, 0x100000, 0x100020, 0x2000, 0x2020, 0x2000, 0x2020, 0x102000, 0x102020, 0x102000, 0x102020
|
|
pc2_11 dd 0, 0x1000000, 0x200, 0x1000200, 0x200000, 0x1200000, 0x200200, 0x1200200, 0x4000000, 0x5000000, 0x4000200, 0x5000200, 0x4200000, 0x5200000, 0x4200200, 0x5200200
|
|
pc2_12 dd 0, 0x1000, 0x8000000, 0x8001000, 0x80000, 0x81000, 0x8080000, 0x8081000, 0x10, 0x1010, 0x8000010, 0x8001010, 0x80010, 0x81010, 0x8080010, 0x8081010
|
|
pc2_13 dd 0, 0x4, 0x100, 0x104, 0, 0x4, 0x100, 0x104, 0x1, 0x5, 0x101, 0x105, 0x1, 0x5, 0x101, 0x105
|
|
|
|
sbox_1 dd 0x1010400, 0, 0x10000, 0x1010404, 0x1010004, 0x10404, 0x4, 0x10000, 0x400, 0x1010400, 0x1010404, 0x400, 0x1000404, 0x1010004, 0x1000000, 0x4, 0x404, 0x1000400, 0x1000400, 0x10400, 0x10400, 0x1010000, 0x1010000, 0x1000404, 0x10004, 0x1000004, 0x1000004, 0x10004, 0, 0x404, 0x10404, 0x1000000, 0x10000, 0x1010404, 0x4, 0x1010000, 0x1010400, 0x1000000, 0x1000000, 0x400, 0x1010004, 0x10000, 0x10400, 0x1000004, 0x400, 0x4, 0x1000404, 0x10404, 0x1010404, 0x10004, 0x1010000, 0x1000404, 0x1000004, 0x404, 0x10404, 0x1010400, 0x404, 0x1000400, 0x1000400, 0, 0x10004, 0x10400, 0, 0x1010004
|
|
sbox_2 dd 0x80108020, 0x80008000, 0x8000, 0x108020, 0x100000, 0x20, 0x80100020, 0x80008020, 0x80000020, 0x80108020, 0x80108000, 0x80000000, 0x80008000, 0x100000, 0x20, 0x80100020, 0x108000, 0x100020, 0x80008020, 0, 0x80000000, 0x8000, 0x108020, 0x80100000, 0x100020, 0x80000020, 0, 0x108000, 0x8020, 0x80108000, 0x80100000, 0x8020, 0, 0x108020, 0x80100020, 0x100000, 0x80008020, 0x80100000, 0x80108000, 0x8000, 0x80100000, 0x80008000, 0x20, 0x80108020, 0x108020, 0x20, 0x8000, 0x80000000, 0x8020, 0x80108000, 0x100000, 0x80000020, 0x100020, 0x80008020, 0x80000020, 0x100020, 0x108000, 0, 0x80008000, 0x8020, 0x80000000, 0x80100020, 0x80108020, 0x108000
|
|
sbox_3 dd 0x208, 0x8020200, 0, 0x8020008, 0x8000200, 0, 0x20208, 0x8000200, 0x20008, 0x8000008, 0x8000008, 0x20000, 0x8020208, 0x20008, 0x8020000, 0x208, 0x8000000, 0x8, 0x8020200, 0x200, 0x20200, 0x8020000, 0x8020008, 0x20208, 0x8000208, 0x20200, 0x20000, 0x8000208, 0x8, 0x8020208, 0x200, 0x8000000, 0x8020200, 0x8000000, 0x20008, 0x208, 0x20000, 0x8020200, 0x8000200, 0, 0x200, 0x20008, 0x8020208, 0x8000200, 0x8000008, 0x200, 0, 0x8020008, 0x8000208, 0x20000, 0x8000000, 0x8020208, 0x8, 0x20208, 0x20200, 0x8000008, 0x8020000, 0x8000208, 0x208, 0x8020000, 0x20208, 0x8, 0x8020008, 0x20200
|
|
sbox_4 dd 0x802001, 0x2081, 0x2081, 0x80, 0x802080, 0x800081, 0x800001, 0x2001, 0, 0x802000, 0x802000, 0x802081, 0x81, 0, 0x800080, 0x800001, 0x1, 0x2000, 0x800000, 0x802001, 0x80, 0x800000, 0x2001, 0x2080, 0x800081, 0x1, 0x2080, 0x800080, 0x2000, 0x802080, 0x802081, 0x81, 0x800080, 0x800001, 0x802000, 0x802081, 0x81, 0, 0, 0x802000, 0x2080, 0x800080, 0x800081, 0x1, 0x802001, 0x2081, 0x2081, 0x80, 0x802081, 0x81, 0x1, 0x2000, 0x800001, 0x2001, 0x802080, 0x800081, 0x2001, 0x2080, 0x800000, 0x802001, 0x80, 0x800000, 0x2000, 0x802080
|
|
sbox_5 dd 0x100, 0x2080100, 0x2080000, 0x42000100, 0x80000, 0x100, 0x40000000, 0x2080000, 0x40080100, 0x80000, 0x2000100, 0x40080100, 0x42000100, 0x42080000, 0x80100, 0x40000000, 0x2000000, 0x40080000, 0x40080000, 0, 0x40000100, 0x42080100, 0x42080100, 0x2000100, 0x42080000, 0x40000100, 0, 0x42000000, 0x2080100, 0x2000000, 0x42000000, 0x80100, 0x80000, 0x42000100, 0x100, 0x2000000, 0x40000000, 0x2080000, 0x42000100, 0x40080100, 0x2000100, 0x40000000, 0x42080000, 0x2080100, 0x40080100, 0x100, 0x2000000, 0x42080000, 0x42080100, 0x80100, 0x42000000, 0x42080100, 0x2080000, 0, 0x40080000, 0x42000000, 0x80100, 0x2000100, 0x40000100, 0x80000, 0, 0x40080000, 0x2080100, 0x40000100
|
|
sbox_6 dd 0x20000010, 0x20400000, 0x4000, 0x20404010, 0x20400000, 0x10, 0x20404010, 0x400000, 0x20004000, 0x404010, 0x400000, 0x20000010, 0x400010, 0x20004000, 0x20000000, 0x4010, 0, 0x400010, 0x20004010, 0x4000, 0x404000, 0x20004010, 0x10, 0x20400010, 0x20400010, 0, 0x404010, 0x20404000, 0x4010, 0x404000, 0x20404000, 0x20000000, 0x20004000, 0x10, 0x20400010, 0x404000, 0x20404010, 0x400000, 0x4010, 0x20000010, 0x400000, 0x20004000, 0x20000000, 0x4010, 0x20000010, 0x20404010, 0x404000, 0x20400000, 0x404010, 0x20404000, 0, 0x20400010, 0x10, 0x4000, 0x20400000, 0x404010, 0x4000, 0x400010, 0x20004010, 0, 0x20404000, 0x20000000, 0x400010, 0x20004010
|
|
sbox_7 dd 0x200000, 0x4200002, 0x4000802, 0, 0x800, 0x4000802, 0x200802, 0x4200800, 0x4200802, 0x200000, 0, 0x4000002, 0x2, 0x4000000, 0x4200002, 0x802, 0x4000800, 0x200802, 0x200002, 0x4000800, 0x4000002, 0x4200000, 0x4200800, 0x200002, 0x4200000, 0x800, 0x802, 0x4200802, 0x200800, 0x2, 0x4000000, 0x200800, 0x4000000, 0x200800, 0x200000, 0x4000802, 0x4000802, 0x4200002, 0x4200002, 0x2, 0x200002, 0x4000000, 0x4000800, 0x200000, 0x4200800, 0x802, 0x200802, 0x4200800, 0x802, 0x4000002, 0x4200802, 0x4200000, 0x200800, 0, 0x2, 0x4200802, 0, 0x200802, 0x4200000, 0x800, 0x4000002, 0x4000800, 0x800, 0x200002
|
|
sbox_8 dd 0x10001040, 0x1000, 0x40000, 0x10041040, 0x10000000, 0x10001040, 0x40, 0x10000000, 0x40040, 0x10040000, 0x10041040, 0x41000, 0x10041000, 0x41040, 0x1000, 0x40, 0x10040000, 0x10000040, 0x10001000, 0x1040, 0x41000, 0x40040, 0x10040040, 0x10041000, 0x1040, 0, 0, 0x10040040, 0x10000040, 0x10001000, 0x41040, 0x40000, 0x41040, 0x40000, 0x10041000, 0x1000, 0x40, 0x10040040, 0x1000, 0x41040, 0x10001000, 0x40, 0x10000040, 0x10040000, 0x10040040, 0x10000000, 0x40000, 0x10001040, 0, 0x10041040, 0x40040, 0x10000040, 0x10040000, 0x10001000, 0x10001040, 0, 0x10041040, 0x41000, 0x41000, 0x1040, 0x1040, 0x40040, 0x10000000, 0x10041000 |